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implemented enableLabel by a Filter

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This commit is contained in:
Fabrizio Steiner 2018-03-02 17:22:42 +01:00
parent f5fb4ed6a2
commit 026a04b59b
6 changed files with 79 additions and 46 deletions
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4
actions/check.go
View file

@ -6,14 +6,12 @@ import (
"github.com/v2tec/watchtower/container"
)
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)
containers, err := client.ListContainers(container.WatchtowerContainersFilter)
if err != nil {
return err
}

21
actions/update.go
View file

@ -12,31 +12,14 @@ var (
letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
)
func allContainersFilter(container.Container) bool { return true }
func containerFilter(names []string) container.Filter {
if len(names) == 0 {
return allContainersFilter
}
return func(c container.Container) bool {
for _, name := range names {
if (name == c.Name()) || (name == c.Name()[1:]) {
return true
}
}
return false
}
}
// 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, names []string, cleanup bool, noRestart bool, timeout time.Duration) error {
func Update(client container.Client, filter container.Filter, cleanup bool, noRestart bool, timeout time.Duration) error {
log.Debug("Checking containers for updated images")
containers, err := client.ListContainers(containerFilter(names))
containers, err := client.ListContainers(filter)
if err != nil {
return err
}