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This commit is contained in:
Brian DeHamer 2015-07-31 22:23:17 +00:00
parent 058d6e5507
commit d6321bf8dc
6 changed files with 42 additions and 1 deletions
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4
actions/check.go
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@ -8,6 +8,10 @@ import (
func watchtowerContainersFilter(c container.Container) bool { return c.IsWatchtower() }
// CheckPrereqs will ensure that there are not multiple instances of the
// watchtower running simultaneously. If multiple watchtower containers are
// detected, this function will stop and remove all but the most recently
// started container.
func CheckPrereqs(client container.Client, cleanup bool) error {
containers, err := client.ListContainers(watchtowerContainersFilter)
if err != nil {

4
actions/update.go
View file

@ -15,6 +15,10 @@ var (
func allContainersFilter(container.Container) bool { return true }
// Update looks at the running Docker containers to see if any of the images
// 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, cleanup bool) error {
log.Info("Checking containers for updated images")