281 lines
10 KiB
Go
281 lines
10 KiB
Go
/*
|
|
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"
|
|
"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"
|
|
)
|
|
|
|
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
|
|
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) {
|
|
// this error type comes with an HTTP code, so just use that
|
|
se, ok := err.(*kerrors.StatusError)
|
|
if ok {
|
|
api.logger.Error(err.Error(), zap.Int32("code", se.ErrStatus.Code))
|
|
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")
|
|
w.Write([]byte(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) GetHandler() http.Handler {
|
|
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")
|
|
|
|
r.Handle("/v2/apidocs.json", openAPI()).Methods("GET")
|
|
|
|
return r
|
|
}
|
|
|
|
func (api *API) Serve(port int) {
|
|
address := fmt.Sprintf(":%v", port)
|
|
api.logger.Info("server started", zap.Int("port", port))
|
|
err := http.ListenAndServe(address, api.GetHandler())
|
|
api.logger.Fatal("done listening", zap.Error(err))
|
|
}
|