self-hosted/watchtower
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Code Issues Releases Activity

Merge pull request #9 from haswalt/master

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Configure with ENV vars and allow skipping of restart
This commit is contained in:
David Gardner 2016-12-22 12:41:45 -08:00 committed by GitHub
commit 04220147e2
2 changed files with 23 additions and 11 deletions
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8
actions/update.go
View File

@ -34,7 +34,7 @@ func containerFilter(names []string) container.Filter {
// used to start those containers have been updated. If a change is detected in
// any of the images, the associated containers are stopped and restarted with
// the new image.
func Update(client container.Client, names []string, cleanup bool) error {
func Update(client container.Client, names []string, cleanup bool, noRestart bool) error {
log.Info("Checking containers for updated images")
containers, err := client.ListContainers(containerFilter(names))
@ -86,8 +86,10 @@ func Update(client container.Client, names []string, cleanup bool) error {
}
}
if err := client.StartContainer(container); err != nil {
log.Error(err)
if !noRestart {
if err := client.StartContainer(container); err != nil {
log.Error(err)
}
}
if cleanup {

26
main.go
View File

@ -23,6 +23,7 @@ var (
client container.Client
pollInterval time.Duration
cleanup bool
noRestart bool
)
func init() {
@ -49,17 +50,25 @@ func main() {
EnvVar: "DOCKER_HOST",
},
cli.IntFlag{
Name: "interval, i",
Usage: "poll interval (in seconds)",
Value: 300,
Name: "interval, i",
Usage: "poll interval (in seconds)",
Value: 300,
EnvVar: "WATCHTOWER_POLL_INTERVAL",
},
cli.BoolFlag{
Name: "no-pull",
Usage: "do not pull new images",
Name: "no-pull",
Usage: "do not pull new images",
EnvVar: "WATCHTOWER_NO_PULL",
},
cli.BoolFlag{
Name: "cleanup",
Usage: "remove old images after updating",
Name: "no-restart",
Usage: "do not restart containers",
EnvVar: "WATCHTOWER_NO_RESTART",
},
cli.BoolFlag{
Name: "cleanup",
Usage: "remove old images after updating",
EnvVar: "WATCHTOWER_CLEANUP",
},
cli.BoolFlag{
Name: "tls",
@ -103,6 +112,7 @@ func before(c *cli.Context) error {
pollInterval = time.Duration(c.Int("interval")) * time.Second
cleanup = c.GlobalBool("cleanup")
noRestart = c.GlobalBool("no-restart")
// Set-up container client
tls, err := tlsConfig(c)
@ -125,7 +135,7 @@ func start(c *cli.Context) {
for {
wg.Add(1)
if err := actions.Update(client, names, cleanup); err != nil {
if err := actions.Update(client, names, cleanup, noRestart); err != nil {
fmt.Println(err)
}
wg.Done()