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

pkg/timer/timerSync.go

@@ -0,0 +1,63 @@
+/*
+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 timer
+
+import (
+	"time"
+
+	"go.uber.org/zap"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/fission/fission/pkg/crd"
+	"github.com/fission/fission/pkg/utils"
+)
+
+type (
+	TimerSync struct {
+		logger        *zap.Logger
+		fissionClient *crd.FissionClient
+		timer         *Timer
+	}
+)
+
+func MakeTimerSync(logger *zap.Logger, fissionClient *crd.FissionClient, timer *Timer) *TimerSync {
+	ws := &TimerSync{
+		logger:        logger.Named("timer_sync"),
+		fissionClient: fissionClient,
+		timer:         timer,
+	}
+	go ws.syncSvc()
+	return ws
+}
+
+func (ws *TimerSync) syncSvc() {
+	for {
+		triggers, err := ws.fissionClient.TimeTriggers(metav1.NamespaceAll).List(metav1.ListOptions{})
+		if err != nil {
+			if utils.IsNetworkError(err) {
+				ws.logger.Info("encountered a network error - will retry", zap.Error(err))
+				time.Sleep(5 * time.Second)
+				continue
+			}
+			ws.logger.Fatal("failed to get time trigger list", zap.Error(err))
+		}
+		ws.timer.Sync(triggers.Items)
+
+		// TODO switch to watches
+		time.Sleep(3 * time.Second)
+	}
+}