Move packages to proejct/pkg to follow go project folder structure convention (#1190)

pkg/controller/api.go

@@ -0,0 +1,280 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"runtime/debug"
+	"strings"
+
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	apiv1 "k8s.io/api/core/v1"
+	kerrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+
+	"github.com/fission/fission/pkg/crd"
+	ferror "github.com/fission/fission/pkg/error"
+	"github.com/fission/fission/pkg/fission-cli/logdb"
+	"github.com/fission/fission/pkg/info"
+	"github.com/fission/fission/pkg/utils"
+)
+
+var podNamespace string
+
+func init() {
+	podNamespace = os.Getenv("POD_NAMESPACE")
+	if podNamespace == "" {
+		podNamespace = "fission"
+	}
+}
+
+type (
+	API struct {
+		logger            *zap.Logger
+		fissionClient     *crd.FissionClient
+		kubernetesClient  *kubernetes.Clientset
+		storageServiceUrl string
+		builderManagerUrl string
+		workflowApiUrl    string
+		functionNamespace string
+		useIstio          bool
+		featureStatus     map[string]string
+	}
+
+	logDBConfig struct {
+		httpURL  string
+		username string
+		password string
+	}
+)
+
+func MakeAPI(logger *zap.Logger, featureStatus map[string]string) (*API, error) {
+	api, err := makeCRDBackedAPI(logger)
+
+	u := os.Getenv("STORAGE_SERVICE_URL")
+	if len(u) > 0 {
+		api.storageServiceUrl = strings.TrimSuffix(u, "/")
+	} else {
+		api.storageServiceUrl = "http://storagesvc"
+	}
+
+	u = os.Getenv("BUILDER_MANAGER_URL")
+	if len(u) > 0 {
+		api.builderManagerUrl = strings.TrimSuffix(u, "/")
+	} else {
+		api.builderManagerUrl = "http://buildermgr"
+	}
+
+	wfEnv := os.Getenv("WORKFLOW_API_URL")
+	if len(u) > 0 {
+		api.workflowApiUrl = strings.TrimSuffix(wfEnv, "/")
+	} else {
+		api.workflowApiUrl = "http://workflows-apiserver"
+	}
+
+	fnNs := os.Getenv("FISSION_FUNCTION_NAMESPACE")
+	if len(fnNs) > 0 {
+		api.functionNamespace = fnNs
+	} else {
+		api.functionNamespace = "fission-function"
+	}
+
+	api.featureStatus = featureStatus
+
+	return api, err
+}
+
+func (api *API) respondWithSuccess(w http.ResponseWriter, resp []byte) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	_, err := w.Write(resp)
+	if err != nil {
+		// this will probably fail too, but try anyway
+		api.respondWithError(w, err)
+	}
+}
+
+func (api *API) respondWithError(w http.ResponseWriter, err error) {
+	debug.PrintStack()
+
+	// this error type comes with an HTTP code, so just use that
+	se, ok := err.(*kerrors.StatusError)
+	if ok {
+		http.Error(w, string(se.ErrStatus.Reason), int(se.ErrStatus.Code))
+		return
+	}
+
+	code, msg := ferror.GetHTTPError(err)
+	api.logger.Error(msg, zap.Int("code", code))
+	http.Error(w, msg, code)
+}
+
+func (api *API) extractQueryParamFromRequest(r *http.Request, queryParam string) string {
+	values := r.URL.Query()
+	return values.Get(queryParam)
+}
+
+// check if namespace exists, if not create it.
+func (api *API) createNsIfNotExists(ns string) error {
+	if ns == metav1.NamespaceDefault {
+		// we dont have to create default ns
+		return nil
+	}
+
+	_, err := api.kubernetesClient.CoreV1().Namespaces().Get(ns, metav1.GetOptions{})
+	if err != nil && kerrors.IsNotFound(err) {
+		ns := &apiv1.Namespace{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: ns,
+			},
+		}
+		_, err = api.kubernetesClient.CoreV1().Namespaces().Create(ns)
+	}
+
+	return err
+}
+
+func (api *API) getLogDBConfig(dbType string) logDBConfig {
+	dbType = strings.ToUpper(dbType)
+	// retrieve db auth config from the env
+	url := os.Getenv(fmt.Sprintf("%s_URL", dbType))
+	if url == "" {
+		// set up default database url
+		url = logdb.INFLUXDB_URL
+	}
+	username := os.Getenv(fmt.Sprintf("%s_USERNAME", dbType))
+	password := os.Getenv(fmt.Sprintf("%s_PASSWORD", dbType))
+	return logDBConfig{
+		httpURL:  url,
+		username: username,
+		password: password,
+	}
+}
+
+func (api *API) HomeHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	fmt.Fprintf(w, info.ApiInfo().String())
+}
+
+func (api *API) ApiVersionMismatchHandler(w http.ResponseWriter, r *http.Request) {
+	err := ferror.MakeError(ferror.ErrorNotFound, "Fission server supports API v2 only -- v1 is not supported. Please upgrade your Fission client/CLI.")
+	api.respondWithError(w, err)
+}
+
+func (api *API) HealthHandler(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+}
+
+func (api *API) GetSvcName(w http.ResponseWriter, r *http.Request) {
+	appLabelSelector := "application=" + r.URL.Query().Get("application")
+	services, err := api.kubernetesClient.CoreV1().Services(podNamespace).List(metav1.ListOptions{
+		LabelSelector: appLabelSelector,
+	})
+	if err != nil || len(services.Items) > 1 || len(services.Items) == 0 {
+		api.respondWithError(w, err)
+	}
+	service := services.Items[0]
+	fmt.Fprintf(w, service.Name+"."+podNamespace)
+}
+
+func (api *API) Serve(port int) {
+	r := mux.NewRouter()
+	r.HandleFunc("/healthz", api.HealthHandler).Methods("GET")
+	// Give a useful error message if an older CLI attempts to make a request
+	r.HandleFunc(`/v1/{rest:[a-zA-Z0-9=\-\/]+}`, api.ApiVersionMismatchHandler)
+	r.HandleFunc("/", api.HomeHandler)
+
+	r.HandleFunc("/v2/packages", api.PackageApiList).Methods("GET")
+	r.HandleFunc("/v2/packages", api.PackageApiCreate).Methods("POST")
+	r.HandleFunc("/v2/packages/{package}", api.PackageApiGet).Methods("GET")
+	r.HandleFunc("/v2/packages/{package}", api.PackageApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/packages/{package}", api.PackageApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/functions", api.FunctionApiList).Methods("GET")
+	r.HandleFunc("/v2/functions", api.FunctionApiCreate).Methods("POST")
+	r.HandleFunc("/v2/functions/{function}", api.FunctionApiGet).Methods("GET")
+	r.HandleFunc("/v2/functions/{function}", api.FunctionApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/functions/{function}", api.FunctionApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/triggers/http", api.HTTPTriggerApiList).Methods("GET")
+	r.HandleFunc("/v2/triggers/http", api.HTTPTriggerApiCreate).Methods("POST")
+	r.HandleFunc("/v2/triggers/http/{httpTrigger}", api.HTTPTriggerApiGet).Methods("GET")
+	r.HandleFunc("/v2/triggers/http/{httpTrigger}", api.HTTPTriggerApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/triggers/http/{httpTrigger}", api.HTTPTriggerApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/environments", api.EnvironmentApiList).Methods("GET")
+	r.HandleFunc("/v2/environments", api.EnvironmentApiCreate).Methods("POST")
+	r.HandleFunc("/v2/environments/{environment}", api.EnvironmentApiGet).Methods("GET")
+	r.HandleFunc("/v2/environments/{environment}", api.EnvironmentApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/environments/{environment}", api.EnvironmentApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/watches", api.WatchApiList).Methods("GET")
+	r.HandleFunc("/v2/watches", api.WatchApiCreate).Methods("POST")
+	r.HandleFunc("/v2/watches/{watch}", api.WatchApiGet).Methods("GET")
+	r.HandleFunc("/v2/watches/{watch}", api.WatchApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/watches/{watch}", api.WatchApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/triggers/time", api.TimeTriggerApiList).Methods("GET")
+	r.HandleFunc("/v2/triggers/time", api.TimeTriggerApiCreate).Methods("POST")
+	r.HandleFunc("/v2/triggers/time/{timeTrigger}", api.TimeTriggerApiGet).Methods("GET")
+	r.HandleFunc("/v2/triggers/time/{timeTrigger}", api.TimeTriggerApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/triggers/time/{timeTrigger}", api.TimeTriggerApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/triggers/messagequeue", api.MessageQueueTriggerApiList).Methods("GET")
+	r.HandleFunc("/v2/triggers/messagequeue", api.MessageQueueTriggerApiCreate).Methods("POST")
+	r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiGet).Methods("GET")
+	r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/recorders", api.RecorderApiList).Methods("GET")
+	r.HandleFunc("/v2/recorders", api.RecorderApiCreate).Methods("POST")
+	r.HandleFunc("/v2/recorders/{recorder}", api.RecorderApiGet).Methods("GET")
+	r.HandleFunc("/v2/recorders/{recorder}", api.RecorderApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/recorders/{recorder}", api.RecorderApiDelete).Methods("DELETE")
+
+	r.HandleFunc("/v2/records", api.RecordsApiListAll).Methods("GET")
+	r.HandleFunc("/v2/records/function/{function}", api.RecordsApiFilterByFunction).Methods("GET")
+	r.HandleFunc("/v2/records/trigger/{trigger}", api.RecordsApiFilterByTrigger).Methods("GET")
+	r.HandleFunc("/v2/records/time", api.RecordsApiFilterByTime).Methods("GET")
+
+	r.HandleFunc("/v2/replay/{reqUID}", api.ReplayByReqUID).Methods("GET")
+
+	r.HandleFunc("/v2/secrets/{secret}", api.SecretGet).Methods("GET")
+	r.HandleFunc("/v2/configmaps/{configmap}", api.ConfigMapGet).Methods("GET")
+
+	r.HandleFunc("/v2/canaryconfigs", api.CanaryConfigApiCreate).Methods("POST")
+	r.HandleFunc("/v2/canaryconfigs/{canaryConfig}", api.CanaryConfigApiGet).Methods("GET")
+	r.HandleFunc("/v2/canaryconfigs/{canaryConfig}", api.CanaryConfigApiUpdate).Methods("PUT")
+	r.HandleFunc("/v2/canaryconfigs/{canaryConfig}", api.CanaryConfigApiDelete).Methods("DELETE")
+	r.HandleFunc("/v2/canaryconfigs", api.CanaryConfigApiList).Methods("GET")
+
+	r.HandleFunc("/proxy/{dbType}", api.FunctionLogsApiPost).Methods("POST")
+	r.HandleFunc("/proxy/storage/v1/archive", api.StorageServiceProxy)
+	r.HandleFunc("/proxy/logs/{function}", api.FunctionPodLogs).Methods("POST")
+	r.HandleFunc("/proxy/workflows-apiserver/{path:.*}", api.WorkflowApiserverProxy)
+	r.HandleFunc("/proxy/svcname", api.GetSvcName).Queries("application", "").Methods("GET")
+
+	address := fmt.Sprintf(":%v", port)
+
+	api.logger.Info("server started", zap.Int("port", port))
+	r.Use(utils.LoggingMiddleware(api.logger))
+	err := http.ListenAndServe(address, r)
+	api.logger.Fatal("done listening", zap.Error(err))
+}

pkg/controller/api_test.go

@@ -0,0 +1,372 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"reflect"
+	"strings"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	"github.com/fission/fission/pkg/controller/client"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+var g struct {
+	client *client.Client
+}
+
+func panicIf(err error) {
+	if err != nil {
+		log.Panicf("err: %v", err)
+	}
+}
+
+func assert(c bool, msg string) {
+	if !c {
+		log.Fatalf("assert failed: %v", msg)
+	}
+}
+
+func assertNameReuseFailure(err error, name string) {
+	assert(err != nil, "recreating "+name+" with same name must fail")
+	fe, ok := err.(ferror.Error)
+	assert(ok, "error must be a fission Error")
+	assert(fe.Code == ferror.ErrorNameExists, "error must be a name exists error")
+}
+
+func assertNotFoundFailure(err error, name string) {
+	assert(err != nil, "requesting a non-existent "+name+" must fail")
+	fe, ok := err.(ferror.Error)
+	assert(ok, "error must be a fission Error")
+	if fe.Code != ferror.ErrorNotFound {
+		log.Fatalf("error must be a not found error: %v", fe)
+	}
+}
+
+func assertCronSpecFails(err error) {
+	assert(err != nil, "using an invalid cron spec must fail")
+	ok := strings.Contains(err.Error(), "not a valid cron spec")
+	assert(ok, "invalid cron spec must fail")
+}
+
+func TestFunctionApi(t *testing.T) {
+	testFunc := &fv1.Function{
+		Metadata: metav1.ObjectMeta{
+			Name:      "foo",
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: fv1.FunctionSpec{
+			Environment: fv1.EnvironmentReference{
+				Name:      "nodejs",
+				Namespace: metav1.NamespaceDefault,
+			},
+			Package: fv1.FunctionPackageRef{
+				FunctionName: "xxx",
+				PackageRef: fv1.PackageRef{
+					Namespace:       metav1.NamespaceDefault,
+					Name:            "xxx",
+					ResourceVersion: "12345",
+				},
+			},
+		},
+	}
+	_, err := g.client.FunctionGet(&metav1.ObjectMeta{
+		Name:      testFunc.Metadata.Name,
+		Namespace: metav1.NamespaceDefault,
+	})
+	assertNotFoundFailure(err, "function")
+
+	m, err := g.client.FunctionCreate(testFunc)
+	panicIf(err)
+	defer func() {
+		err := g.client.FunctionDelete(m)
+		panicIf(err)
+	}()
+
+	_, err = g.client.FunctionCreate(testFunc)
+	assertNameReuseFailure(err, "function")
+
+	testFunc.Metadata.ResourceVersion = m.ResourceVersion
+	testFunc.Spec.Package.FunctionName = "yyy"
+	_, err = g.client.FunctionUpdate(testFunc)
+	panicIf(err)
+
+	testFunc.Metadata.ResourceVersion = ""
+	testFunc.Metadata.Name = "bar"
+	m2, err := g.client.FunctionCreate(testFunc)
+	panicIf(err)
+	defer g.client.FunctionDelete(m2)
+
+	funcs, err := g.client.FunctionList(metav1.NamespaceDefault)
+	panicIf(err)
+	assert(len(funcs) == 2, fmt.Sprintf("created two functions, but found %v", len(funcs)))
+
+	funcs_url := g.client.Url + "/v2/functions"
+	resp, err := http.Get(funcs_url)
+	panicIf(err)
+	defer resp.Body.Close()
+	assert(resp.StatusCode == 200, "http get status code on /v1/functions")
+
+	var found bool = false
+	for _, b := range resp.Header["Content-Type"] {
+		if b == "application/json; charset=utf-8" {
+			found = true
+		}
+	}
+	assert(found, "incorrect response content type")
+}
+
+func TestHTTPTriggerApi(t *testing.T) {
+	testTrigger := &fv1.HTTPTrigger{
+		Metadata: metav1.ObjectMeta{
+			Name:      "foo",
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: fv1.HTTPTriggerSpec{
+			Method:      http.MethodGet,
+			RelativeURL: "/hello",
+			FunctionReference: fv1.FunctionReference{
+				Type: fv1.FunctionReferenceTypeFunctionName,
+				Name: "foo",
+			},
+		},
+	}
+	_, err := g.client.HTTPTriggerGet(&metav1.ObjectMeta{
+		Name:      testTrigger.Metadata.Name,
+		Namespace: metav1.NamespaceDefault,
+	})
+	assertNotFoundFailure(err, "httptrigger")
+
+	m, err := g.client.HTTPTriggerCreate(testTrigger)
+	panicIf(err)
+	defer g.client.HTTPTriggerDelete(m)
+
+	_, err = g.client.HTTPTriggerCreate(testTrigger)
+	assertNameReuseFailure(err, "httptrigger")
+
+	tr, err := g.client.HTTPTriggerGet(m)
+	panicIf(err)
+	assert(testTrigger.Spec.Method == tr.Spec.Method &&
+		testTrigger.Spec.RelativeURL == tr.Spec.RelativeURL &&
+		testTrigger.Spec.FunctionReference.Type == tr.Spec.FunctionReference.Type &&
+		testTrigger.Spec.FunctionReference.Name == tr.Spec.FunctionReference.Name, "trigger should match after reading")
+
+	testTrigger.Metadata.ResourceVersion = m.ResourceVersion
+	testTrigger.Spec.RelativeURL = "/hi"
+	_, err = g.client.HTTPTriggerUpdate(testTrigger)
+	panicIf(err)
+
+	testTrigger.Metadata.ResourceVersion = ""
+	testTrigger.Metadata.Name = "yyy"
+	_, err = g.client.HTTPTriggerCreate(testTrigger)
+	assert(err != nil, "duplicate trigger should not be allowed")
+
+	testTrigger.Spec.RelativeURL = "/hi2"
+	m2, err := g.client.HTTPTriggerCreate(testTrigger)
+	panicIf(err)
+	defer g.client.HTTPTriggerDelete(m2)
+
+	ts, err := g.client.HTTPTriggerList(metav1.NamespaceDefault)
+	panicIf(err)
+	assert(len(ts) == 2, fmt.Sprintf("created two triggers, but found %v", len(ts)))
+}
+
+func TestEnvironmentApi(t *testing.T) {
+
+	testEnv := &fv1.Environment{
+		Metadata: metav1.ObjectMeta{
+			Name:      "foo",
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: fv1.EnvironmentSpec{
+			Runtime: fv1.Runtime{
+				Image: "gcr.io/xyz",
+			},
+			Resources: v1.ResourceRequirements{},
+		},
+	}
+	_, err := g.client.EnvironmentGet(&metav1.ObjectMeta{
+		Name:      testEnv.Metadata.Name,
+		Namespace: metav1.NamespaceDefault,
+	})
+	assertNotFoundFailure(err, "environment")
+
+	m, err := g.client.EnvironmentCreate(testEnv)
+	panicIf(err)
+	defer g.client.EnvironmentDelete(m)
+
+	_, err = g.client.EnvironmentCreate(testEnv)
+	assertNameReuseFailure(err, "environment")
+
+	e, err := g.client.EnvironmentGet(m)
+	panicIf(err)
+	assert(reflect.DeepEqual(testEnv.Spec, e.Spec), "env should match after reading")
+
+	testEnv.Metadata.ResourceVersion = m.ResourceVersion
+	testEnv.Spec.Runtime.Image = "another-img"
+	_, err = g.client.EnvironmentUpdate(testEnv)
+	panicIf(err)
+
+	testEnv.Metadata.ResourceVersion = ""
+	testEnv.Metadata.Name = "bar"
+	m2, err := g.client.EnvironmentCreate(testEnv)
+	panicIf(err)
+	defer g.client.EnvironmentDelete(m2)
+
+	ts, err := g.client.EnvironmentList(metav1.NamespaceDefault)
+	panicIf(err)
+	assert(len(ts) == 2, fmt.Sprintf("created two envs, but found %v", len(ts)))
+}
+
+func TestWatchApi(t *testing.T) {
+	testWatch := &fv1.KubernetesWatchTrigger{
+		Metadata: metav1.ObjectMeta{
+			Name:      "xxx",
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: fv1.KubernetesWatchTriggerSpec{
+			Namespace: "default",
+			Type:      "pod",
+			FunctionReference: fv1.FunctionReference{
+				Type: fv1.FunctionReferenceTypeFunctionName,
+				Name: "foo",
+			},
+		},
+	}
+	_, err := g.client.WatchGet(&metav1.ObjectMeta{
+		Name:      testWatch.Metadata.Name,
+		Namespace: metav1.NamespaceDefault,
+	})
+	assertNotFoundFailure(err, "watch")
+
+	m, err := g.client.WatchCreate(testWatch)
+	panicIf(err)
+	defer g.client.WatchDelete(m)
+
+	_, err = g.client.WatchCreate(testWatch)
+	assertNameReuseFailure(err, "watch")
+
+	w, err := g.client.WatchGet(m)
+	panicIf(err)
+	assert(testWatch.Spec.Namespace == w.Spec.Namespace &&
+		testWatch.Spec.Type == w.Spec.Type &&
+		testWatch.Spec.FunctionReference.Type == w.Spec.FunctionReference.Type &&
+		testWatch.Spec.FunctionReference.Name == w.Spec.FunctionReference.Name, "watch should match after reading")
+
+	testWatch.Metadata.Name = "yyy"
+	m2, err := g.client.WatchCreate(testWatch)
+	panicIf(err)
+	defer g.client.WatchDelete(m2)
+
+	ws, err := g.client.WatchList(metav1.NamespaceDefault)
+	panicIf(err)
+	assert(len(ws) == 2, fmt.Sprintf("created two watches, but found %v", len(ws)))
+}
+
+func TestTimeTriggerApi(t *testing.T) {
+	testTrigger := &fv1.TimeTrigger{
+		Metadata: metav1.ObjectMeta{
+			Name:      "xxx",
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: fv1.TimeTriggerSpec{
+			Cron: "0 30 * * * *",
+			FunctionReference: fv1.FunctionReference{
+				Type: fv1.FunctionReferenceTypeFunctionName,
+				Name: "asdf",
+			},
+		},
+	}
+	_, err := g.client.TimeTriggerGet(&metav1.ObjectMeta{Name: testTrigger.Metadata.Name})
+	assertNotFoundFailure(err, "trigger")
+
+	m, err := g.client.TimeTriggerCreate(testTrigger)
+	panicIf(err)
+	defer g.client.TimeTriggerDelete(m)
+
+	_, err = g.client.TimeTriggerCreate(testTrigger)
+	assertNameReuseFailure(err, "trigger")
+
+	tr, err := g.client.TimeTriggerGet(m)
+	panicIf(err)
+	assert(testTrigger.Spec.Cron == tr.Spec.Cron &&
+		testTrigger.Spec.FunctionReference.Type == tr.Spec.FunctionReference.Type &&
+		testTrigger.Spec.FunctionReference.Name == tr.Spec.FunctionReference.Name, "trigger should match after reading")
+
+	testTrigger.Metadata.ResourceVersion = m.ResourceVersion
+	testTrigger.Spec.Cron = "@hourly"
+	_, err = g.client.TimeTriggerUpdate(testTrigger)
+	panicIf(err)
+
+	testTrigger.Metadata.ResourceVersion = ""
+	testTrigger.Metadata.Name = "yyy"
+	testTrigger.Spec.Cron = "Not valid cron spec"
+	_, err = g.client.TimeTriggerCreate(testTrigger)
+	assertCronSpecFails(err)
+
+	ts, err := g.client.TimeTriggerList(metav1.NamespaceDefault)
+	panicIf(err)
+	assert(len(ts) == 1, fmt.Sprintf("created two time triggers, but found %v", len(ts)))
+}
+
+func TestMain(m *testing.M) {
+	flag.Parse()
+
+	// skip test if no cluster available for testing
+	kubeconfig := os.Getenv("KUBECONFIG")
+	if len(kubeconfig) == 0 {
+		log.Println("Skipping test, no kubernetes cluster")
+		return
+	}
+
+	logger, err := zap.NewDevelopment()
+	panicIf(err)
+
+	go Start(logger, 8888, true)
+
+	time.Sleep(5 * time.Second)
+	g.client = client.MakeClient("http://localhost:8888")
+
+	resp, err := http.Get("http://localhost:8888/")
+	panicIf(err)
+	assert(resp.StatusCode == 200, "http get status code on root")
+
+	var found bool = false
+	for _, b := range resp.Header["Content-Type"] {
+		if b == "application/json; charset=utf-8" {
+			found = true
+		}
+	}
+	assert(found, "incorrect response content type")
+
+	_, err = ioutil.ReadAll(resp.Body)
+	panicIf(err)
+
+	os.Exit(m.Run())
+}

pkg/controller/canaryConfigApi.go

@@ -0,0 +1,184 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+	config "github.com/fission/fission/pkg/featureconfig"
+)
+
+func (a *API) CanaryConfigApiCreate(w http.ResponseWriter, r *http.Request) {
+	featureErr := a.featureStatus[config.CanaryFeature]
+	if len(featureErr) > 0 {
+		a.respondWithError(w, ferror.MakeError(http.StatusInternalServerError, fmt.Sprintf("Error enabling canary feature: %v", featureErr)))
+		return
+	}
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var canaryCfg fv1.CanaryConfig
+	err = json.Unmarshal(body, &canaryCfg)
+	if err != nil {
+		a.logger.Error("failed to unmarshal request body", zap.Error(err), zap.Binary("body", body))
+		a.respondWithError(w, err)
+		return
+	}
+
+	canaryCfgNew, err := a.fissionClient.CanaryConfigs(canaryCfg.Metadata.Namespace).Create(&canaryCfg)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(canaryCfgNew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) CanaryConfigApiGet(w http.ResponseWriter, r *http.Request) {
+	featureErr := a.featureStatus[config.CanaryFeature]
+	if len(featureErr) > 0 {
+		a.respondWithError(w, ferror.MakeError(http.StatusInternalServerError, fmt.Sprintf("Error enabling canary feature: %v", featureErr)))
+		return
+	}
+
+	vars := mux.Vars(r)
+	name := vars["canaryConfig"]
+
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	canaryCfg, err := a.fissionClient.CanaryConfigs(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(canaryCfg)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) CanaryConfigApiList(w http.ResponseWriter, r *http.Request) {
+	featureErr := a.featureStatus[config.CanaryFeature]
+	if len(featureErr) > 0 {
+		a.respondWithError(w, ferror.MakeError(http.StatusInternalServerError, fmt.Sprintf("Error enabling canary feature: %v", featureErr)))
+		return
+	}
+
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	canaryCfgs, err := a.fissionClient.CanaryConfigs(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(canaryCfgs.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) CanaryConfigApiUpdate(w http.ResponseWriter, r *http.Request) {
+	featureErr := a.featureStatus[config.CanaryFeature]
+	if len(featureErr) > 0 {
+		a.respondWithError(w, ferror.MakeError(http.StatusInternalServerError, fmt.Sprintf("Error enabling canary feature: %v", featureErr)))
+		return
+	}
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var c fv1.CanaryConfig
+	err = json.Unmarshal(body, &c)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	canayCfgNew, err := a.fissionClient.CanaryConfigs(c.Metadata.Namespace).Update(&c)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(canayCfgNew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) CanaryConfigApiDelete(w http.ResponseWriter, r *http.Request) {
+	featureErr := a.featureStatus[config.CanaryFeature]
+	if len(featureErr) > 0 {
+		a.respondWithError(w, ferror.MakeError(http.StatusInternalServerError, fmt.Sprintf("Error enabling canary feature: %v", featureErr)))
+		return
+	}
+
+	vars := mux.Vars(r)
+	name := vars["canaryConfig"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.CanaryConfigs(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/client/canaryconfig.go

@@ -0,0 +1,133 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) CanaryConfigCreate(canaryConf *fv1.CanaryConfig) (*metav1.ObjectMeta, error) {
+	reqbody, err := json.Marshal(canaryConf)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("canaryconfigs"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) CanaryConfigGet(m *metav1.ObjectMeta) (*fv1.CanaryConfig, error) {
+	relativeUrl := fmt.Sprintf("canaryconfigs/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var canaryCfg fv1.CanaryConfig
+	err = json.Unmarshal(body, &canaryCfg)
+	if err != nil {
+		return nil, err
+	}
+
+	return &canaryCfg, nil
+}
+
+func (c *Client) CanaryConfigUpdate(canaryConf *fv1.CanaryConfig) (*metav1.ObjectMeta, error) {
+	reqbody, err := json.Marshal(canaryConf)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("canaryconfigs/%v", canaryConf.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) CanaryConfigDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("canaryconfigs/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) CanaryConfigList(ns string) ([]fv1.CanaryConfig, error) {
+	relativeUrl := fmt.Sprintf("canaryconfigs?namespace=%v", ns)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	canaryCfgs := make([]fv1.CanaryConfig, 0)
+	err = json.Unmarshal(body, &canaryCfgs)
+	if err != nil {
+		return nil, err
+	}
+
+	return canaryCfgs, nil
+}

pkg/controller/client/client.go

@@ -0,0 +1,115 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	ferror "github.com/fission/fission/pkg/error"
+	"github.com/fission/fission/pkg/info"
+)
+
+type (
+	Client struct {
+		Url string
+	}
+)
+
+func MakeClient(serverUrl string) *Client {
+	return &Client{Url: strings.TrimSuffix(serverUrl, "/")}
+}
+
+func (c *Client) delete(relativeUrl string) error {
+	req, err := http.NewRequest("DELETE", c.url(relativeUrl), nil)
+	if err != nil {
+		return err
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			return errors.New("Delete failed")
+		} else {
+			return errors.New("Delete failed: " + string(body))
+		}
+	}
+
+	return nil
+}
+
+func (c *Client) put(relativeUrl string, contentType string, body []byte) (*http.Response, error) {
+	req, err := http.NewRequest("PUT", c.url(relativeUrl), bytes.NewReader(body))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-type", contentType)
+	return http.DefaultClient.Do(req)
+}
+
+func (c *Client) url(relativeUrl string) string {
+	return c.Url + "/v2/" + relativeUrl
+}
+
+func (c *Client) handleResponse(resp *http.Response) ([]byte, error) {
+	if resp.StatusCode != 200 {
+		return nil, ferror.MakeErrorFromHTTP(resp)
+	}
+	body, err := ioutil.ReadAll(resp.Body)
+	return body, err
+}
+
+func (c *Client) handleCreateResponse(resp *http.Response) ([]byte, error) {
+	if resp.StatusCode != 201 {
+		return nil, ferror.MakeErrorFromHTTP(resp)
+	}
+	body, err := ioutil.ReadAll(resp.Body)
+	return body, err
+}
+
+func (c *Client) ServerInfo() (*info.ServerInfo, error) {
+	url := fmt.Sprintf(c.Url)
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	info := &info.ServerInfo{}
+	err = json.Unmarshal(body, info)
+	if err != nil {
+		return nil, err
+	}
+
+	return info, nil
+}

pkg/controller/client/core.go

@@ -0,0 +1,99 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+
+	apiv1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func (c *Client) SecretGet(m *metav1.ObjectMeta) (*apiv1.Secret, error) {
+	relativeUrl := fmt.Sprintf("secrets/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var secret apiv1.Secret
+	err = json.Unmarshal(body, &secret)
+	if err != nil {
+		return nil, err
+	}
+
+	return &secret, nil
+}
+
+func (c *Client) ConfigMapGet(m *metav1.ObjectMeta) (*apiv1.ConfigMap, error) {
+	relativeUrl := fmt.Sprintf("configmaps/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var configMap apiv1.ConfigMap
+	err = json.Unmarshal(body, &configMap)
+	if err != nil {
+		return nil, err
+	}
+
+	return &configMap, nil
+}
+
+func (c *Client) GetSvcURL(label string) (string, error) {
+	url := fmt.Sprintf("%s/proxy/svcname?"+label, c.Url)
+
+	resp, err := http.Get(url)
+
+	if err != nil {
+		return "", err
+	}
+
+	if resp == nil {
+		return "", fmt.Errorf("Failed to find service for given label: %v", label)
+	}
+
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	storageSvc := string(body)
+
+	return storageSvc, err
+}

pkg/controller/client/environment.go

@@ -0,0 +1,143 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) EnvironmentCreate(env *fv1.Environment) (*metav1.ObjectMeta, error) {
+	err := env.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Environment", err)
+	}
+
+	reqbody, err := json.Marshal(env)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("environments"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) EnvironmentGet(m *metav1.ObjectMeta) (*fv1.Environment, error) {
+	relativeUrl := fmt.Sprintf("environments/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var env fv1.Environment
+	err = json.Unmarshal(body, &env)
+	if err != nil {
+		return nil, err
+	}
+
+	return &env, nil
+}
+
+func (c *Client) EnvironmentUpdate(env *fv1.Environment) (*metav1.ObjectMeta, error) {
+	err := env.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Environment", err)
+	}
+
+	reqbody, err := json.Marshal(env)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("environments/%v", env.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) EnvironmentDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("environments/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) EnvironmentList(ns string) ([]fv1.Environment, error) {
+	relativeUrl := fmt.Sprintf("environments?namespace=%v", ns)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	envs := make([]fv1.Environment, 0)
+	err = json.Unmarshal(body, &envs)
+	if err != nil {
+		return nil, err
+	}
+
+	return envs, nil
+}

pkg/controller/client/function.go

@@ -0,0 +1,156 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) FunctionCreate(f *fv1.Function) (*metav1.ObjectMeta, error) {
+	err := f.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Function", err)
+	}
+
+	reqbody, err := json.Marshal(f)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("functions"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) FunctionGet(m *metav1.ObjectMeta) (*fv1.Function, error) {
+	relativeUrl := fmt.Sprintf("functions/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var f fv1.Function
+	err = json.Unmarshal(body, &f)
+	if err != nil {
+		return nil, err
+	}
+
+	return &f, nil
+}
+
+func (c *Client) FunctionGetRawDeployment(m *metav1.ObjectMeta) ([]byte, error) {
+	relativeUrl := fmt.Sprintf("functions/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	relativeUrl += fmt.Sprintf("&deploymentraw=1")
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	return c.handleResponse(resp)
+}
+
+func (c *Client) FunctionUpdate(f *fv1.Function) (*metav1.ObjectMeta, error) {
+	err := f.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Function", err)
+	}
+
+	reqbody, err := json.Marshal(f)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("functions/%v", f.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) FunctionDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("functions/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) FunctionList(functionNamespace string) ([]fv1.Function, error) {
+	relativeUrl := fmt.Sprintf("functions?namespace=%v", functionNamespace)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	funcs := make([]fv1.Function, 0)
+	err = json.Unmarshal(body, &funcs)
+	if err != nil {
+		return nil, err
+	}
+
+	return funcs, nil
+}

pkg/controller/client/httptrigger.go

@@ -0,0 +1,142 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) HTTPTriggerCreate(t *fv1.HTTPTrigger) (*metav1.ObjectMeta, error) {
+	err := t.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("HTTPTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(t)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("triggers/http"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) HTTPTriggerGet(m *metav1.ObjectMeta) (*fv1.HTTPTrigger, error) {
+	relativeUrl := fmt.Sprintf("triggers/http/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var t fv1.HTTPTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		return nil, err
+	}
+
+	return &t, nil
+}
+
+func (c *Client) HTTPTriggerUpdate(t *fv1.HTTPTrigger) (*metav1.ObjectMeta, error) {
+	err := t.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("HTTPTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(t)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("triggers/http/%v", t.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) HTTPTriggerDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("triggers/http/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) HTTPTriggerList(triggerNamespace string) ([]fv1.HTTPTrigger, error) {
+	relativeUrl := fmt.Sprintf("triggers/http?namespace=%v", triggerNamespace)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	triggers := make([]fv1.HTTPTrigger, 0)
+	err = json.Unmarshal(body, &triggers)
+	if err != nil {
+		return nil, err
+	}
+
+	return triggers, nil
+}

pkg/controller/client/kuberneteswatchtrigger.go

@@ -0,0 +1,117 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (c *Client) WatchCreate(w *fv1.KubernetesWatchTrigger) (*metav1.ObjectMeta, error) {
+	err := w.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("KubernetesWatchTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(w)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("watches"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) WatchGet(m *metav1.ObjectMeta) (*fv1.KubernetesWatchTrigger, error) {
+	relativeUrl := fmt.Sprintf("watches/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var w fv1.KubernetesWatchTrigger
+	err = json.Unmarshal(body, &w)
+	if err != nil {
+		return nil, err
+	}
+
+	return &w, nil
+}
+
+func (c *Client) WatchUpdate(w *fv1.KubernetesWatchTrigger) (*metav1.ObjectMeta, error) {
+	return nil, ferror.MakeError(ferror.ErrorNotImplmented,
+		"watch update not implemented")
+}
+
+func (c *Client) WatchDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("watches/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) WatchList(ns string) ([]fv1.KubernetesWatchTrigger, error) {
+	relativeUrl := fmt.Sprintf("watches?namespace=%v", ns)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	watches := make([]fv1.KubernetesWatchTrigger, 0)
+	err = json.Unmarshal(body, &watches)
+	if err != nil {
+		return nil, err
+	}
+
+	return watches, err
+}

pkg/controller/client/mqtrigger.go

@@ -0,0 +1,147 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) MessageQueueTriggerCreate(t *fv1.MessageQueueTrigger) (*metav1.ObjectMeta, error) {
+	err := t.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("MessageQueueTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(t)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("triggers/messagequeue"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) MessageQueueTriggerGet(m *metav1.ObjectMeta) (*fv1.MessageQueueTrigger, error) {
+	relativeUrl := fmt.Sprintf("triggers/messagequeue/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var t fv1.MessageQueueTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		return nil, err
+	}
+
+	return &t, nil
+}
+
+func (c *Client) MessageQueueTriggerUpdate(mqTrigger *fv1.MessageQueueTrigger) (*metav1.ObjectMeta, error) {
+	err := mqTrigger.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("MessageQueueTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(mqTrigger)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("triggers/messagequeue/%v", mqTrigger.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) MessageQueueTriggerDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("triggers/messagequeue/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) MessageQueueTriggerList(mqType string, ns string) ([]fv1.MessageQueueTrigger, error) {
+	relativeUrl := "triggers/messagequeue"
+	if len(mqType) > 0 {
+		// TODO remove this, replace with field selector
+		relativeUrl += fmt.Sprintf("?mqtype=%v&namespace=%v", mqType, ns)
+	}
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	triggers := make([]fv1.MessageQueueTrigger, 0)
+	err = json.Unmarshal(body, &triggers)
+	if err != nil {
+		return nil, err
+	}
+
+	return triggers, nil
+}

pkg/controller/client/package.go

@@ -0,0 +1,142 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) PackageCreate(f *fv1.Package) (*metav1.ObjectMeta, error) {
+	err := f.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Package", err)
+	}
+
+	reqbody, err := json.Marshal(f)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("packages"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) PackageGet(m *metav1.ObjectMeta) (*fv1.Package, error) {
+	relativeUrl := fmt.Sprintf("packages/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var f fv1.Package
+	err = json.Unmarshal(body, &f)
+	if err != nil {
+		return nil, err
+	}
+
+	return &f, nil
+}
+
+func (c *Client) PackageUpdate(f *fv1.Package) (*metav1.ObjectMeta, error) {
+	err := f.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Package", err)
+	}
+
+	reqbody, err := json.Marshal(f)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("packages/%v", f.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) PackageDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("packages/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) PackageList(pkgNamespace string) ([]fv1.Package, error) {
+	relativeUrl := fmt.Sprintf("packages?namespace=%v", pkgNamespace)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	funcs := make([]fv1.Package, 0)
+	err = json.Unmarshal(body, &funcs)
+	if err != nil {
+		return nil, err
+	}
+
+	return funcs, nil
+}

pkg/controller/client/recorder.go

@@ -0,0 +1,238 @@
+/*
+Copyright 2018 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	"github.com/fission/fission/pkg/redis/build/gen"
+)
+
+func (c *Client) RecorderCreate(r *fv1.Recorder) (*metav1.ObjectMeta, error) {
+	err := r.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Recorder", err)
+	}
+
+	reqbody, err := json.Marshal(r)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("recorders"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) RecorderGet(m *metav1.ObjectMeta) (*fv1.Recorder, error) {
+	relativeUrl := fmt.Sprintf("recorders/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var r fv1.Recorder
+	err = json.Unmarshal(body, &r)
+	if err != nil {
+		return nil, err
+	}
+
+	return &r, nil
+}
+
+func (c *Client) RecorderUpdate(recorder *fv1.Recorder) (*metav1.ObjectMeta, error) {
+	err := recorder.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("Recorder", err)
+	}
+
+	reqbody, err := json.Marshal(recorder)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("recorders/%v", recorder.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) RecorderDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("recorders/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) RecorderList(ns string) ([]fv1.Recorder, error) {
+	relativeUrl := "recorders"
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	recorders := make([]fv1.Recorder, 0)
+	err = json.Unmarshal(body, &recorders)
+	if err != nil {
+		return nil, err
+	}
+
+	return recorders, nil
+}
+
+// TODO: Move to different file?
+func (c *Client) RecordsByFunction(function string) ([]*redisCache.RecordedEntry, error) {
+	relativeUrl := fmt.Sprintf("records/function/%v", function)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	records := make([]*redisCache.RecordedEntry, 0)
+	err = json.Unmarshal(body, &records)
+	if err != nil {
+		return nil, err
+	}
+
+	return records, nil
+}
+
+func (c *Client) RecordsAll() ([]*redisCache.RecordedEntry, error) {
+	relativeUrl := "records"
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	records := make([]*redisCache.RecordedEntry, 0)
+	err = json.Unmarshal(body, &records)
+	if err != nil {
+		return nil, err
+	}
+
+	return records, nil
+}
+
+func (c *Client) RecordsByTrigger(trigger string) ([]*redisCache.RecordedEntry, error) {
+	relativeUrl := fmt.Sprintf("records/trigger/%v", trigger)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	records := make([]*redisCache.RecordedEntry, 0)
+	err = json.Unmarshal(body, &records)
+	if err != nil {
+		return nil, err
+	}
+
+	return records, nil
+}
+
+func (c *Client) RecordsByTime(from string, to string) ([]*redisCache.RecordedEntry, error) {
+	relativeUrl := "records/time"
+	relativeUrl += fmt.Sprintf("?from=%v&to=%v", from, to)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	records := make([]*redisCache.RecordedEntry, 0)
+	err = json.Unmarshal(body, &records)
+	if err != nil {
+		return nil, err
+	}
+
+	return records, nil
+}

pkg/controller/client/replayer.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2018 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package client
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+func (c *Client) ReplayByReqUID(reqUID string) ([]string, error) {
+	relativeUrl := fmt.Sprintf("replay/%v", reqUID)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	replayed := make([]string, 0)
+
+	err = json.Unmarshal(body, &replayed)
+	if err != nil {
+		return nil, err
+	}
+
+	return replayed, nil
+}

pkg/controller/client/timetrigger.go

@@ -0,0 +1,142 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+)
+
+func (c *Client) TimeTriggerCreate(t *fv1.TimeTrigger) (*metav1.ObjectMeta, error) {
+	err := t.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("TimeTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(t)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http.Post(c.url("triggers/time"), "application/json", bytes.NewReader(reqbody))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleCreateResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (c *Client) TimeTriggerGet(m *metav1.ObjectMeta) (*fv1.TimeTrigger, error) {
+	relativeUrl := fmt.Sprintf("triggers/time/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var t fv1.TimeTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		return nil, err
+	}
+
+	return &t, nil
+}
+
+func (c *Client) TimeTriggerUpdate(t *fv1.TimeTrigger) (*metav1.ObjectMeta, error) {
+	err := t.Validate()
+	if err != nil {
+		return nil, fv1.AggregateValidationErrors("TimeTrigger", err)
+	}
+
+	reqbody, err := json.Marshal(t)
+	if err != nil {
+		return nil, err
+	}
+	relativeUrl := fmt.Sprintf("triggers/time/%v", t.Metadata.Name)
+
+	resp, err := c.put(relativeUrl, "application/json", reqbody)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	var m metav1.ObjectMeta
+	err = json.Unmarshal(body, &m)
+	if err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) TimeTriggerDelete(m *metav1.ObjectMeta) error {
+	relativeUrl := fmt.Sprintf("triggers/time/%v", m.Name)
+	relativeUrl += fmt.Sprintf("?namespace=%v", m.Namespace)
+	return c.delete(relativeUrl)
+}
+
+func (c *Client) TimeTriggerList(ns string) ([]fv1.TimeTrigger, error) {
+	relativeUrl := fmt.Sprintf("triggers/time?namespace=%v", ns)
+	resp, err := http.Get(c.url(relativeUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := c.handleResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	triggers := make([]fv1.TimeTrigger, 0)
+	err = json.Unmarshal(body, &triggers)
+	if err != nil {
+		return nil, err
+	}
+
+	return triggers, nil
+}

pkg/controller/config.go

@@ -0,0 +1,67 @@
+/*
+Copyright 2018 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+	"k8s.io/client-go/kubernetes"
+
+	"github.com/fission/fission/pkg/canaryconfigmgr"
+	"github.com/fission/fission/pkg/crd"
+	config "github.com/fission/fission/pkg/featureconfig"
+)
+
+func ConfigCanaryFeature(context context.Context, logger *zap.Logger, fissionClient *crd.FissionClient, kubeClient *kubernetes.Clientset, featureConfig *config.FeatureConfig, featureStatus map[string]string) error {
+	// start the appropriate controller
+	if featureConfig.CanaryConfig.IsEnabled {
+		canaryCfgMgr, err := canaryconfigmgr.MakeCanaryConfigMgr(logger, fissionClient, kubeClient, fissionClient.GetCrdClient(),
+			featureConfig.CanaryConfig.PrometheusSvc)
+		if err != nil {
+			featureStatus[config.CanaryFeature] = err.Error()
+			return errors.Wrap(err, "failed to start canary config manager")
+		}
+		canaryCfgMgr.Run(context)
+		logger.Info("started canary config manager")
+	}
+
+	return nil
+}
+
+// ConfigureFeatures gets the feature config and configures the features that are enabled
+func ConfigureFeatures(context context.Context, logger *zap.Logger, unitTestMode bool, fissionClient *crd.FissionClient, kubeClient *kubernetes.Clientset) (map[string]string, error) {
+	// set feature enabled to false if unitTestMode
+	if unitTestMode {
+		return nil, nil
+	}
+
+	// get the featureConfig from config map mounted onto the file system
+	featureConfig, err := config.GetFeatureConfig()
+	if err != nil {
+		logger.Error("error getting feature config", zap.Error(err))
+		return nil, err
+	}
+
+	featureStatus := make(map[string]string)
+
+	// configure respective features
+	// in the future when new optional features are added, we need to add corresponding feature handlers and invoke them here
+	err = ConfigCanaryFeature(context, logger, fissionClient, kubeClient, featureConfig, featureStatus)
+	return featureStatus, err
+}

pkg/controller/configmapApi.go

@@ -0,0 +1,49 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func (a *API) ConfigMapGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["configmap"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	configMap, err := a.kubernetesClient.CoreV1().ConfigMaps(ns).Get(name, metav1.GetOptions{})
+	if err != nil {
+		a.logger.Error("error getting config map", zap.Error(err), zap.String("config_map_name", name), zap.String("namespace", ns))
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(configMap)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}

pkg/controller/controller.go

@@ -0,0 +1,60 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/fission/fission/pkg/crd"
+	"github.com/fission/fission/pkg/utils"
+)
+
+func Start(logger *zap.Logger, port int, unitTestFlag bool) {
+	cLogger := logger.Named("controller")
+	// setup a signal handler for SIGTERM
+	utils.SetupStackTraceHandler()
+
+	fc, kc, apiExtClient, err := crd.MakeFissionClient()
+	if err != nil {
+		cLogger.Fatal("failed to connect to k8s API", zap.Error(err))
+	}
+
+	err = crd.EnsureFissionCRDs(cLogger, apiExtClient)
+	if err != nil {
+		cLogger.Fatal("failed to create fission CRDs", zap.Error(err))
+	}
+
+	err = fc.WaitForCRDs()
+	if err != nil {
+		cLogger.Fatal("error waiting for CRDs", zap.Error(err))
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	featureStatus, err := ConfigureFeatures(ctx, cLogger, unitTestFlag, fc, kc)
+	if err != nil {
+		cLogger.Info("error configuring features - proceeding without optional features", zap.Error(err))
+	}
+	defer cancel()
+
+	api, err := MakeAPI(cLogger, featureStatus)
+	if err != nil {
+		cLogger.Fatal("failed to start controller", zap.Error(err))
+	}
+	api.Serve(port)
+}

pkg/controller/crd.go

@@ -0,0 +1,35 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"go.uber.org/zap"
+
+	"github.com/fission/fission/pkg/crd"
+)
+
+func makeCRDBackedAPI(logger *zap.Logger) (*API, error) {
+	fissionClient, kubernetesClient, _, err := crd.MakeFissionClient()
+	if err != nil {
+		return nil, err
+	}
+	return &API{
+		logger:           logger.Named("api"),
+		fissionClient:    fissionClient,
+		kubernetesClient: kubernetesClient,
+	}, nil
+}

pkg/controller/environmentApi.go

@@ -0,0 +1,169 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) EnvironmentApiList(w http.ResponseWriter, r *http.Request) {
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+
+	envs, err := a.fissionClient.Environments(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(envs.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) EnvironmentApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var env fv1.Environment
+	err = json.Unmarshal(body, &env)
+	if err != nil {
+		a.logger.Error("failed to unmarshal request body", zap.Error(err), zap.Binary("body", body))
+		a.respondWithError(w, err)
+		return
+	}
+
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(env.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	enew, err := a.fissionClient.Environments(env.Metadata.Namespace).Create(&env)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(enew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) EnvironmentApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["environment"]
+
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	env, err := a.fissionClient.Environments(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(env)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) EnvironmentApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["environment"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var env fv1.Environment
+	err = json.Unmarshal(body, &env)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != env.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "Environment name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	enew, err := a.fissionClient.Environments(env.Metadata.Namespace).Update(&env)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(enew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) EnvironmentApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["environment"]
+
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.Environments(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/functionApi.go

@@ -0,0 +1,271 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"sort"
+
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	apiv1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	restclient "k8s.io/client-go/rest"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) getIstioServiceLabels(fnName string) map[string]string {
+	return map[string]string{
+		"functionName": fnName,
+	}
+}
+
+func (a *API) FunctionApiList(w http.ResponseWriter, r *http.Request) {
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+
+	funcs, err := a.fissionClient.Functions(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(funcs.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) FunctionApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var f fv1.Function
+	err = json.Unmarshal(body, &f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(f.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	fnew, err := a.fissionClient.Functions(f.Metadata.Namespace).Create(&f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(fnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) FunctionApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["function"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	f, err := a.fissionClient.Functions(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) FunctionApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["function"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var f fv1.Function
+	err = json.Unmarshal(body, &f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != f.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "Function name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	fnew, err := a.fissionClient.Functions(f.Metadata.Namespace).Update(&f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(fnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) FunctionApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["function"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.Functions(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}
+
+// FunctionLogsApiPost establishes a proxy server to log database, and redirect
+// query command send from client to database then proxy back the db response.
+func (a *API) FunctionLogsApiPost(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	// get dbType from url
+	dbType := vars["dbType"]
+
+	// find correspond db http url
+	dbCnf := a.getLogDBConfig(dbType)
+
+	svcUrl, err := url.Parse(dbCnf.httpURL)
+	if err != nil {
+		a.logger.Error("failed parse url to establish proxy to database for function logs",
+			zap.Error(err),
+			zap.String("database_url", dbCnf.httpURL))
+	}
+	// set up proxy server director
+	director := func(req *http.Request) {
+		// only replace url Scheme and Host to remote influxDB
+		// and leave query string intact
+		req.URL.Scheme = svcUrl.Scheme
+		req.URL.Host = svcUrl.Host
+		req.URL.Path = svcUrl.Path
+		// set up http basic auth for database authentication
+		req.SetBasicAuth(dbCnf.username, dbCnf.password)
+	}
+	proxy := &httputil.ReverseProxy{
+		Director: director,
+	}
+	proxy.ServeHTTP(w, r)
+}
+
+// FunctionPodLogs : Get logs for a function directly from pod
+func (a *API) FunctionPodLogs(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	fnName := vars["function"]
+	ns := vars["namespace"]
+
+	if len(ns) == 0 {
+		ns = "fission-function"
+	}
+
+	f, err := a.fissionClient.Functions(ns).Get(fnName)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	envName := f.Spec.Environment.Name
+
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// Get function Pods first
+	selector := "functionName=" + fnName
+	podList, err := a.kubernetesClient.CoreV1().Pods(ns).List(metav1.ListOptions{LabelSelector: selector})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// Get the logs for last Pod executed
+	pods := podList.Items
+	sort.Slice(pods, func(i, j int) bool {
+		itime := pods[i].ObjectMeta.CreationTimestamp.Time
+		jtime := pods[j].ObjectMeta.CreationTimestamp.Time
+		return itime.After(jtime)
+	})
+
+	podLogOpts := apiv1.PodLogOptions{Container: envName} // Only the env container, not fetcher
+	var podLogsReq *restclient.Request
+	if len(pods) > 0 {
+		podLogsReq = a.kubernetesClient.CoreV1().Pods(ns).GetLogs(pods[0].ObjectMeta.Name, &podLogOpts)
+	} else {
+		a.respondWithError(w, errors.New("No active pods found"))
+		return
+	}
+
+	podLogs, err := podLogsReq.Stream()
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	defer podLogs.Close()
+
+	_, err = io.Copy(w, podLogs)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	return
+}

pkg/controller/httpTriggerApi.go

@@ -0,0 +1,198 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) HTTPTriggerApiList(w http.ResponseWriter, r *http.Request) {
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+
+	triggers, err := a.fissionClient.HTTPTriggers(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(triggers.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+// checkHTTPTriggerDuplicates checks whether the tuple (Method, Host, URL) is duplicate or not.
+func (a *API) checkHTTPTriggerDuplicates(t *fv1.HTTPTrigger) error {
+	triggers, err := a.fissionClient.HTTPTriggers(metav1.NamespaceAll).List(metav1.ListOptions{})
+	if err != nil {
+		return err
+	}
+	for _, ht := range triggers.Items {
+		if ht.Metadata.UID == t.Metadata.UID {
+			// Same resource. No need to check.
+			continue
+		}
+		if ht.Spec.RelativeURL == t.Spec.RelativeURL && ht.Spec.Method == t.Spec.Method && ht.Spec.Host == t.Spec.Host {
+			return ferror.MakeError(ferror.ErrorNameExists,
+				fmt.Sprintf("HTTPTrigger with same Host, URL & method already exists (%v)",
+					ht.Metadata.Name))
+		}
+	}
+	return nil
+}
+
+func (a *API) HTTPTriggerApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var t fv1.HTTPTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// Ensure we don't have a duplicate HTTP route defined (same URL and method)
+	err = a.checkHTTPTriggerDuplicates(&t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(t.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.HTTPTriggers(t.Metadata.Namespace).Create(&t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) HTTPTriggerApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["httpTrigger"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	t, err := a.fissionClient.HTTPTriggers(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) HTTPTriggerApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["httpTrigger"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var t fv1.HTTPTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != t.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "HTTPTrigger name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	err = a.checkHTTPTriggerDuplicates(&t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.HTTPTriggers(t.Metadata.Namespace).Update(&t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) HTTPTriggerApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["httpTrigger"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.HTTPTriggers(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/mqTriggerApi.go

@@ -0,0 +1,159 @@
+/*
+Copyright 2017 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) MessageQueueTriggerApiList(w http.ResponseWriter, r *http.Request) {
+	//mqType := r.FormValue("mqtype") // ignored for now
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+
+	triggers, err := a.fissionClient.MessageQueueTriggers(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	resp, err := json.Marshal(triggers.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) MessageQueueTriggerApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var mqTrigger fv1.MessageQueueTrigger
+	err = json.Unmarshal(body, &mqTrigger)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(mqTrigger.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.MessageQueueTriggers(mqTrigger.Metadata.Namespace).Create(&mqTrigger)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) MessageQueueTriggerApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["mqTrigger"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	mqTrigger, err := a.fissionClient.MessageQueueTriggers(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	resp, err := json.Marshal(mqTrigger)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) MessageQueueTriggerApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["mqTrigger"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var mqTrigger fv1.MessageQueueTrigger
+	err = json.Unmarshal(body, &mqTrigger)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != mqTrigger.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "Message queue trigger name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.MessageQueueTriggers(mqTrigger.Metadata.Namespace).Update(&mqTrigger)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) MessageQueueTriggerApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["mqTrigger"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.MessageQueueTriggers(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/packageApi.go

@@ -0,0 +1,185 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/dustin/go-humanize"
+	"github.com/fission/fission/pkg/types"
+	"github.com/gorilla/mux"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) PackageApiList(w http.ResponseWriter, r *http.Request) {
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+	funcs, err := a.fissionClient.Packages(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(funcs.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) PackageApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var f fv1.Package
+	err = json.Unmarshal(body, &f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// Ensure size limits
+	if len(f.Spec.Source.Literal) > int(types.ArchiveLiteralSizeLimit) {
+		err := ferror.MakeError(ferror.ErrorInvalidArgument,
+			fmt.Sprintf("Package literal larger than %s", humanize.Bytes(uint64(types.ArchiveLiteralSizeLimit))))
+		a.respondWithError(w, err)
+		return
+	}
+	if len(f.Spec.Deployment.Literal) > int(types.ArchiveLiteralSizeLimit) {
+		err := ferror.MakeError(ferror.ErrorInvalidArgument,
+			fmt.Sprintf("Package literal larger than %s", humanize.Bytes(uint64(types.ArchiveLiteralSizeLimit))))
+		a.respondWithError(w, err)
+		return
+	}
+
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(f.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	fnew, err := a.fissionClient.Packages(f.Metadata.Namespace).Create(&f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(fnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) PackageApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["package"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+	raw := r.FormValue("raw") // just the deployment pkg
+
+	f, err := a.fissionClient.Packages(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var resp []byte
+	if raw != "" {
+		resp = []byte(f.Spec.Deployment.Literal)
+	} else {
+		resp, err = json.Marshal(f)
+		if err != nil {
+			a.respondWithError(w, err)
+			return
+		}
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) PackageApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["package"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var f fv1.Package
+	err = json.Unmarshal(body, &f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != f.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "Package name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	fnew, err := a.fissionClient.Packages(f.Metadata.Namespace).Update(&f)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(fnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) PackageApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["package"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.Packages(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/recorderApi.go

@@ -0,0 +1,148 @@
+/*
+Copyright 2018 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) RecorderApiList(w http.ResponseWriter, r *http.Request) {
+	recorders, err := a.fissionClient.Recorders(metav1.NamespaceAll).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	resp, err := json.Marshal(recorders.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecorderApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var recorder fv1.Recorder
+	err = json.Unmarshal(body, &recorder)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.Recorders(recorder.Metadata.Namespace).Create(&recorder)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecorderApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["recorder"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	recorder, err := a.fissionClient.Recorders(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	resp, err := json.Marshal(recorder)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecorderApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["recorder"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var recorder fv1.Recorder
+	err = json.Unmarshal(body, &recorder)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != recorder.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "Recorder name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	rnew, err := a.fissionClient.Recorders(recorder.Metadata.Namespace).Update(&recorder)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(rnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecorderApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["recorder"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.Recorders(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/recordsApi.go

@@ -0,0 +1,95 @@
+/*
+Copyright 2018 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/fission/fission/pkg/redis"
+)
+
+func (a *API) RecordsApiListAll(w http.ResponseWriter, r *http.Request) {
+	resp, err := redis.RecordsListAll(a.logger.Named("redis"))
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecordsApiFilterByFunction(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	query := vars["function"]
+
+	recorders, err := a.fissionClient.Recorders(metav1.NamespaceAll).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	triggers, err := a.fissionClient.HTTPTriggers(metav1.NamespaceAll).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := redis.RecordsFilterByFunction(a.logger.Named("redis"), query, recorders, triggers)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecordsApiFilterByTrigger(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	query := vars["trigger"]
+
+	recorders, err := a.fissionClient.Recorders(metav1.NamespaceAll).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	triggers, err := a.fissionClient.HTTPTriggers(metav1.NamespaceAll).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := redis.RecordsFilterByTrigger(a.logger.Named("redis"), query, recorders, triggers)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) RecordsApiFilterByTime(w http.ResponseWriter, r *http.Request) {
+	from := r.FormValue("from")
+	to := r.FormValue("to")
+
+	resp, err := redis.RecordsFilterByTime(a.logger.Named("redis"), from, to)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}

pkg/controller/replayAPI.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2018 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gorilla/mux"
+
+	"github.com/fission/fission/pkg/redis"
+)
+
+func (a *API) ReplayByReqUID(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	queriedID := vars["reqUID"]
+
+	routerUrl := fmt.Sprintf("http://router.%v", podNamespace)
+
+	resp, err := redis.ReplayByReqUID(a.logger, routerUrl, queriedID)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}

pkg/controller/secretApi.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"go.uber.org/zap"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func (a *API) SecretGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["secret"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	secret, err := a.kubernetesClient.CoreV1().Secrets(ns).Get(name, metav1.GetOptions{})
+	if err != nil {
+		a.logger.Error("error getting secret",
+			zap.Error(err),
+			zap.String("secret_name", name),
+			zap.String("namespace", ns))
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(secret)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}

pkg/controller/storagesvc.go

@@ -0,0 +1,46 @@
+/*
+Copyright 2017 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+
+	"go.uber.org/zap"
+)
+
+func (api *API) StorageServiceProxy(w http.ResponseWriter, r *http.Request) {
+	u := api.storageServiceUrl
+	ssUrl, err := url.Parse(u)
+	if err != nil {
+		e := "error parsing url"
+		api.logger.Error(e, zap.Error(err), zap.String("url", u))
+		http.Error(w, fmt.Sprintf("%s %s: %v", e, u, err), http.StatusInternalServerError)
+		return
+	}
+	director := func(req *http.Request) {
+		req.URL.Scheme = ssUrl.Scheme
+		req.URL.Host = ssUrl.Host
+		req.URL.Path = "/v1/archive"
+	}
+	proxy := &httputil.ReverseProxy{
+		Director: director,
+	}
+	proxy.ServeHTTP(w, r)
+}

pkg/controller/timeTriggerApi.go

@@ -0,0 +1,180 @@
+/*
+Copyright 2017 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/robfig/cron"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) TimeTriggerApiList(w http.ResponseWriter, r *http.Request) {
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+
+	triggers, err := a.fissionClient.TimeTriggers(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(triggers.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) TimeTriggerApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var t fv1.TimeTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// validate
+	_, err = cron.Parse(t.Spec.Cron)
+	if err != nil {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "TimeTrigger cron spec is not valid")
+		a.respondWithError(w, err)
+		return
+	}
+
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(t.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.TimeTriggers(t.Metadata.Namespace).Create(&t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) TimeTriggerApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["timeTrigger"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	t, err := a.fissionClient.TimeTriggers(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) TimeTriggerApiUpdate(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["timeTrigger"]
+
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var t fv1.TimeTrigger
+	err = json.Unmarshal(body, &t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	if name != t.Metadata.Name {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "TimeTrigger name doesn't match URL")
+		a.respondWithError(w, err)
+		return
+	}
+
+	_, err = cron.Parse(t.Spec.Cron)
+	if err != nil {
+		err = ferror.MakeError(ferror.ErrorInvalidArgument, "TimeTrigger cron spec is not valid")
+		a.respondWithError(w, err)
+		return
+	}
+
+	tnew, err := a.fissionClient.TimeTriggers(t.Metadata.Namespace).Update(&t)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(tnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) TimeTriggerApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["timeTrigger"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.TimeTriggers(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/watchApi.go

@@ -0,0 +1,134 @@
+/*
+Copyright 2016 The Fission Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
+	ferror "github.com/fission/fission/pkg/error"
+)
+
+func (a *API) WatchApiList(w http.ResponseWriter, r *http.Request) {
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceAll
+	}
+
+	watches, err := a.fissionClient.KubernetesWatchTriggers(ns).List(metav1.ListOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(watches.Items)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) WatchApiCreate(w http.ResponseWriter, r *http.Request) {
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	var watch fv1.KubernetesWatchTrigger
+	err = json.Unmarshal(body, &watch)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	// TODO check for duplicate watches
+	// TODO check for duplicate watches -> we probably wont need it?
+	// check if namespace exists, if not create it.
+	err = a.createNsIfNotExists(watch.Metadata.Namespace)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	wnew, err := a.fissionClient.KubernetesWatchTriggers(watch.Metadata.Namespace).Create(&watch)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(wnew.Metadata)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) WatchApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["watch"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	watch, err := a.fissionClient.KubernetesWatchTriggers(ns).Get(name)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	resp, err := json.Marshal(watch)
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, resp)
+}
+
+func (a *API) WatchApiUpdate(w http.ResponseWriter, r *http.Request) {
+	a.respondWithError(w, ferror.MakeError(ferror.ErrorNotImplmented,
+		"Not implemented"))
+}
+
+func (a *API) WatchApiDelete(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["watch"]
+	ns := a.extractQueryParamFromRequest(r, "namespace")
+	if len(ns) == 0 {
+		ns = metav1.NamespaceDefault
+	}
+
+	err := a.fissionClient.KubernetesWatchTriggers(ns).Delete(name, &metav1.DeleteOptions{})
+	if err != nil {
+		a.respondWithError(w, err)
+		return
+	}
+
+	a.respondWithSuccess(w, []byte(""))
+}

pkg/controller/workflowApiProxy.go

@@ -0,0 +1,32 @@
+package controller
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+
+	"github.com/gorilla/mux"
+)
+
+func (api *API) WorkflowApiserverProxy(w http.ResponseWriter, r *http.Request) {
+	u := api.workflowApiUrl
+	ssUrl, err := url.Parse(u)
+	if err != nil {
+		msg := fmt.Sprintf("Error parsing url %v: %v", u, err)
+		http.Error(w, msg, http.StatusInternalServerError)
+		return
+	}
+
+	vars := mux.Vars(r)
+	path := fmt.Sprintf("/%s", vars["path"])
+	director := func(req *http.Request) {
+		req.URL.Scheme = ssUrl.Scheme
+		req.URL.Host = ssUrl.Host
+		req.URL.Path = path
+	}
+	proxy := &httputil.ReverseProxy{
+		Director: director,
+	}
+	proxy.ServeHTTP(w, r)
+}