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watch.go
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/
watch.go
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// Copyright © 2017 Sascha Andres <sascha.andres@outlook.com>
// 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 monitor
import (
"time"
log "github.com/sirupsen/logrus"
)
// Watch starts looking for files placed in directory
func Watch(directory string, batchInterval int, deployments chan<- string) {
done := make(chan bool)
defer close(done)
log.Infof("Starting watcher with a batch interval of %ds", batchInterval)
watcher, err := NewBatcher(time.Duration(batchInterval) * time.Second)
if err != nil {
log.Fatal(err)
}
if err != nil {
log.Fatal(err)
}
defer watcher.Close()
go func() {
defer close(deployments)
for {
select {
case event := <-watcher.Events:
for key := range event {
deployments <- key
}
case err := <-watcher.Errors:
log.Errorf("Error: %s", err.Error())
}
}
}()
err = watcher.Add(directory)
if err != nil {
log.Fatal(err)
}
<-done
}