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

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)
+}