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

pkg/timer/main.go

@@ -0,0 +1,42 @@
+/*
+Copyright 2017 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 timer
+
+import (
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+
+	"github.com/fission/fission/pkg/crd"
+	"github.com/fission/fission/pkg/publisher"
+)
+
+func Start(logger *zap.Logger, routerUrl string) error {
+	fissionClient, _, _, err := crd.MakeFissionClient()
+	if err != nil {
+		return errors.Wrap(err, "failed to get fission or kubernetes client")
+	}
+
+	err = fissionClient.WaitForCRDs()
+	if err != nil {
+		return errors.Wrap(err, "error waiting for CRDs")
+	}
+
+	poster := publisher.MakeWebhookPublisher(logger, routerUrl)
+	MakeTimerSync(logger, fissionClient, MakeTimer(logger, poster))
+
+	return nil
+}