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Support for --cleanup flag

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The --cleanup flag will cause watchtower to automatically remove the old
image after a container is restart with a new image.
This commit is contained in:
Brian DeHamer 2015-07-31 18:24:27 +00:00
parent b8ba80df2d
commit dd80aa4a0d
10 changed files with 117 additions and 7 deletions
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6
actions/check.go
View file

@ -8,7 +8,7 @@ import (
func watchtowerContainersFilter(c container.Container) bool { return c.IsWatchtower() }
func CheckPrereqs(client container.Client) error {
func CheckPrereqs(client container.Client, cleanup bool) error {
containers, err := client.ListContainers(watchtowerContainersFilter)
if err != nil {
return err
@ -20,6 +20,10 @@ func CheckPrereqs(client container.Client) error {
// Iterate over all containers execept the last one
for _, c := range containers[0 : len(containers)-1] {
client.StopContainer(c, 60)
if cleanup {
client.RemoveImage(c)
}
}
}