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Added noUpdate run parameter, just pull new image without updating container

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This commit is contained in:
Krystian Matti 2018-01-02 15:47:39 +01:00
parent 82a2df38ed
commit 338b54a00e
2 changed files with 40 additions and 31 deletions
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4
actions/update.go
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@ -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, noRestart bool) error {
func Update(client container.Client, names []string, cleanup bool, noRestart bool, noUpdate bool) error {
log.Debug("Checking containers for updated images")
containers, err := client.ListContainers(containerFilter(names))
@ -59,6 +59,7 @@ func Update(client container.Client, names []string, cleanup bool, noRestart boo
checkDependencies(containers)
if !noUpdate {
// Stop stale containers in reverse order
for i := len(containers) - 1; i >= 0; i-- {
container := containers[i]
@ -99,6 +100,7 @@ func Update(client container.Client, names []string, cleanup bool, noRestart boo
}
}
}
}
return nil
}

9
main.go
View file

@ -29,6 +29,7 @@ var (
scheduleSpec string
cleanup bool
noRestart bool
noUpdate bool
notifier *notifications.Notifier
)
@ -76,6 +77,11 @@ func main() {
Usage: "remove old images after updating",
EnvVar: "WATCHTOWER_CLEANUP",
},
cli.BoolFlag{
Name: "no-update",
Usage: "do not update container",
EnvVar: "WATCHTOWER_NO_UPDATE",
},
cli.BoolFlag{
Name: "tlsverify",
Usage: "use TLS and verify the remote",
@ -146,6 +152,7 @@ func before(c *cli.Context) error {
cleanup = c.GlobalBool("cleanup")
noRestart = c.GlobalBool("no-restart")
noUpdate = c.GlobalBool("no-update")
// configure environment vars for client
err := envConfig(c)
@ -177,7 +184,7 @@ func start(c *cli.Context) error {
case v := <- tryLockSem:
defer func() { tryLockSem <- v }()
notifier.StartNotification()
if err := actions.Update(client, names, cleanup, noRestart); err != nil {
if err := actions.Update(client, names, cleanup, noRestart, noUpdate); err != nil {
log.Println(err)
}
notifier.SendNotification()