Add Google Analytics reporting in place of existing custom reporting (#2015)

Replacing the older analytics with a new Google Analytics based mechanism.

cmd/reporter/app/app.go

@@ -0,0 +1,33 @@
+/*
+Copyright 2021 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 app
+
+import (
+	"github.com/spf13/cobra"
+)
+
+func App() *cobra.Command {
+	cobra.EnableCommandSorting = false
+	rootCmd := &cobra.Command{
+		Use:       "reporter",
+		Short:     "Report fission events to analytics service",
+		ValidArgs: []string{"event"},
+		Args:      cobra.OnlyValidArgs,
+	}
+	rootCmd.AddCommand(EventCommand())
+	return rootCmd
+}

cmd/reporter/app/cmd_event.go

@@ -0,0 +1,67 @@
+/*
+Copyright 2021 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 app
+
+import (
+	"github.com/fission/fission/pkg/tracker"
+	"github.com/spf13/cobra"
+)
+
+func eventCommandHandler(cmd *cobra.Command, args []string) error {
+	var err error
+	flags := cmd.PersistentFlags()
+
+	event := tracker.Event{}
+
+	event.Category, err = flags.GetString("category")
+	if err != nil {
+		return err
+	}
+
+	event.Action, err = flags.GetString("action")
+	if err != nil {
+		return err
+	}
+
+	event.Label, err = flags.GetString("label")
+	if err != nil {
+		return err
+	}
+
+	event.Value, err = flags.GetString("value")
+	if err != nil {
+		return err
+	}
+
+	return tracker.Tracker.SendEvent(event)
+}
+
+func EventCommand() *cobra.Command {
+	eventCmd := &cobra.Command{
+		Use:   "event",
+		Short: "Report event to analytics",
+		RunE:  eventCommandHandler,
+		Args:  cobra.NoArgs,
+	}
+	persistentFlags := eventCmd.PersistentFlags()
+	persistentFlags.StringP("category", "c", "", "event category")
+	persistentFlags.StringP("action", "a", "", "event action")
+	persistentFlags.StringP("label", "l", "", "event label")
+	persistentFlags.StringP("value", "v", "", "event value")
+	eventCmd.MarkPersistentFlagRequired("category")
+	eventCmd.MarkPersistentFlagRequired("action")
+	return eventCmd
+}