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

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(""))
+}