forked from fission/fission
/
httpTriggerApi.go
187 lines (155 loc) · 4.08 KB
/
httpTriggerApi.go
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/*
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"
"k8s.io/client-go/1.5/pkg/api"
"github.com/fission/fission"
"github.com/fission/fission/tpr"
)
func (a *API) HTTPTriggerApiList(w http.ResponseWriter, r *http.Request) {
triggers, err := a.fissionClient.Httptriggers(api.NamespaceAll).List(api.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) checkHttpTriggerDuplicates(t *tpr.Httptrigger) error {
triggers, err := a.fissionClient.Httptriggers(api.NamespaceAll).List(api.ListOptions{})
if err != nil {
return err
}
for _, ht := range triggers.Items {
if ht.Spec.RelativeURL == t.Spec.RelativeURL && ht.Spec.Method == t.Spec.Method {
return fission.MakeError(fission.ErrorNameExists,
fmt.Sprintf("HTTPTrigger with same 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 tpr.Httptrigger
err = json.Unmarshal(body, &t)
if err != nil {
a.respondWithError(w, err)
return
}
err = validateResourceName(t.Metadata.Name)
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
}
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 := vars["namespace"]
if len(ns) == 0 {
ns = api.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 tpr.Httptrigger
err = json.Unmarshal(body, &t)
if err != nil {
a.respondWithError(w, err)
return
}
if name != t.Metadata.Name {
err = fission.MakeError(fission.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 := vars["namespace"]
if len(ns) == 0 {
ns = api.NamespaceDefault
}
err := a.fissionClient.Httptriggers(ns).Delete(name, &api.DeleteOptions{})
if err != nil {
a.respondWithError(w, err)
return
}
a.respondWithSuccess(w, []byte(""))
}