Ta-Ching ChenandSoam Vasani
5f14b9b0ae
Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards. This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs. The storage service is unaffected by this change.
193 lines
7.0 KiB
Go
193 lines
7.0 KiB
Go
/*
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Copyright 2016 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"fmt"
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"net/http"
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"os"
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"runtime/debug"
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"strings"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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log "github.com/sirupsen/logrus"
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kerrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/client-go/kubernetes"
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"github.com/fission/fission"
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"github.com/fission/fission/crd"
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"github.com/fission/fission/fission/logdb"
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)
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type (
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API struct {
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fissionClient *crd.FissionClient
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kubernetesClient *kubernetes.Clientset
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storageServiceUrl string
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builderManagerUrl string
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workflowApiUrl string
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}
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logDBConfig struct {
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httpURL string
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username string
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password string
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}
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)
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func MakeAPI() (*API, error) {
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api, err := makeCRDBackedAPI()
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u := os.Getenv("STORAGE_SERVICE_URL")
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if len(u) > 0 {
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api.storageServiceUrl = strings.TrimSuffix(u, "/")
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} else {
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api.storageServiceUrl = "http://storagesvc"
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}
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u = os.Getenv("BUILDER_MANAGER_URL")
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if len(u) > 0 {
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api.builderManagerUrl = strings.TrimSuffix(u, "/")
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} else {
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api.builderManagerUrl = "http://buildermgr"
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}
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wfEnv := os.Getenv("WORKFLOW_API_URL")
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if len(u) > 0 {
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api.workflowApiUrl = strings.TrimSuffix(wfEnv, "/")
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} else {
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api.workflowApiUrl = "http://workflows-apiserver"
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}
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return api, err
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}
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func (api *API) respondWithSuccess(w http.ResponseWriter, resp []byte) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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_, err := w.Write(resp)
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if err != nil {
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// this will probably fail too, but try anyway
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api.respondWithError(w, err)
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}
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}
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func (api *API) respondWithError(w http.ResponseWriter, err error) {
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debug.PrintStack()
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// this error type comes with an HTTP code, so just use that
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se, ok := err.(*kerrors.StatusError)
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if ok {
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http.Error(w, string(se.ErrStatus.Reason), int(se.ErrStatus.Code))
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return
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}
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code, msg := fission.GetHTTPError(err)
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log.Errorf("Error: %v: %v", code, msg)
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http.Error(w, msg, code)
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}
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func (api *API) getLogDBConfig(dbType string) logDBConfig {
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dbType = strings.ToUpper(dbType)
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// retrieve db auth config from the env
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url := os.Getenv(fmt.Sprintf("%s_URL", dbType))
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if url == "" {
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// set up default database url
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url = logdb.INFLUXDB_URL
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}
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username := os.Getenv(fmt.Sprintf("%s_USERNAME", dbType))
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password := os.Getenv(fmt.Sprintf("%s_PASSWORD", dbType))
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return logDBConfig{
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httpURL: url,
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username: username,
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password: password,
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}
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}
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func (api *API) HomeHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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fmt.Fprintf(w, "{\"message\": \"Fission API\", \"version\": \"0.3.0\"}\n")
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}
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func (api *API) ApiVersionMismatchHandler(w http.ResponseWriter, r *http.Request) {
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err := fission.MakeError(fission.ErrorNotFound, "Fission server supports API v2 only -- v1 is not supported. Please upgrade your Fission client/CLI.")
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api.respondWithError(w, err)
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}
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func (api *API) Serve(port int) {
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r := mux.NewRouter()
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// Give a useful error message if an older CLI attempts to make a request
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r.HandleFunc(`/v1/{rest:[a-zA-Z0-9=\-\/]+}`, api.ApiVersionMismatchHandler)
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r.HandleFunc("/", api.HomeHandler)
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r.HandleFunc("/v2/packages", api.PackageApiList).Methods("GET")
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r.HandleFunc("/v2/packages", api.PackageApiCreate).Methods("POST")
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r.HandleFunc("/v2/packages/{package}", api.PackageApiGet).Methods("GET")
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r.HandleFunc("/v2/packages/{package}", api.PackageApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/packages/{package}", api.PackageApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/functions", api.FunctionApiList).Methods("GET")
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r.HandleFunc("/v2/functions", api.FunctionApiCreate).Methods("POST")
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r.HandleFunc("/v2/functions/{function}", api.FunctionApiGet).Methods("GET")
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r.HandleFunc("/v2/functions/{function}", api.FunctionApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/functions/{function}", api.FunctionApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/triggers/http", api.HTTPTriggerApiList).Methods("GET")
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r.HandleFunc("/v2/triggers/http", api.HTTPTriggerApiCreate).Methods("POST")
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r.HandleFunc("/v2/triggers/http/{httpTrigger}", api.HTTPTriggerApiGet).Methods("GET")
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r.HandleFunc("/v2/triggers/http/{httpTrigger}", api.HTTPTriggerApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/triggers/http/{httpTrigger}", api.HTTPTriggerApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/environments", api.EnvironmentApiList).Methods("GET")
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r.HandleFunc("/v2/environments", api.EnvironmentApiCreate).Methods("POST")
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r.HandleFunc("/v2/environments/{environment}", api.EnvironmentApiGet).Methods("GET")
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r.HandleFunc("/v2/environments/{environment}", api.EnvironmentApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/environments/{environment}", api.EnvironmentApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/watches", api.WatchApiList).Methods("GET")
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r.HandleFunc("/v2/watches", api.WatchApiCreate).Methods("POST")
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r.HandleFunc("/v2/watches/{watch}", api.WatchApiGet).Methods("GET")
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r.HandleFunc("/v2/watches/{watch}", api.WatchApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/watches/{watch}", api.WatchApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/triggers/time", api.TimeTriggerApiList).Methods("GET")
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r.HandleFunc("/v2/triggers/time", api.TimeTriggerApiCreate).Methods("POST")
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r.HandleFunc("/v2/triggers/time/{timeTrigger}", api.TimeTriggerApiGet).Methods("GET")
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r.HandleFunc("/v2/triggers/time/{timeTrigger}", api.TimeTriggerApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/triggers/time/{timeTrigger}", api.TimeTriggerApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/triggers/messagequeue", api.MessageQueueTriggerApiList).Methods("GET")
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r.HandleFunc("/v2/triggers/messagequeue", api.MessageQueueTriggerApiCreate).Methods("POST")
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r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiGet).Methods("GET")
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r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiUpdate).Methods("PUT")
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r.HandleFunc("/v2/triggers/messagequeue/{mqTrigger}", api.MessageQueueTriggerApiDelete).Methods("DELETE")
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r.HandleFunc("/v2/deleteTpr", api.Tpr2crdApi).Methods("DELETE")
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r.HandleFunc("/proxy/{dbType}", api.FunctionLogsApiPost).Methods("POST")
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r.HandleFunc("/proxy/storage/v1/archive", api.StorageServiceProxy)
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r.HandleFunc("/proxy/buildermgr/v1/build", api.BuilderManagerBuildProxy)
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r.HandleFunc("/proxy/buildermgr/v1/builder", api.BuilderManagerEnvBuilderProxy)
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r.HandleFunc("/proxy/logs/{function}", api.FunctionPodLogs).Methods("POST")
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r.HandleFunc("/proxy/workflows-apiserver/{path:.*}", api.WorkflowApiserverProxy)
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address := fmt.Sprintf(":%v", port)
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log.WithFields(log.Fields{"port": port}).Info("Server started")
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log.Fatal(http.ListenAndServe(address, handlers.LoggingHandler(os.Stdout, r)))
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}
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