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Adds scopeUID config to enable multiple instances of Watchtower (#511)

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* Adds scopeUID config to enable multiple instances of Watchtower

* Adds tests for multiple instance support with scopeuid

* Adds docs on scope monitoring and multiple instance support

* Adds multiple instances docs to mkdocs config file

* Changes multiple instances check and refactors naming for scope feature

* Applies linter suggestions

* Fixes documentation on Watchtower monitoring scope
This commit is contained in:
Victor Moura 2020-08-21 15:13:47 -03:00 • committed by GitHub
parent 5efb249a86
commit 6a18ee911e
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14 changed files with 160 additions and 24 deletions
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7
internal/actions/check.go
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@ -19,10 +19,11 @@ import (
// CheckForMultipleWatchtowerInstances 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 CheckForMultipleWatchtowerInstances(client container.Client, cleanup bool) error {
// will stop and remove all but the most recently started container. This behaviour can be bypassed
// if a scope UID is defined.
func CheckForMultipleWatchtowerInstances(client container.Client, cleanup bool, scope string) error {
awaitDockerClient()
containers, err := client.ListContainers(filters.WatchtowerContainersFilter)
containers, err := client.ListContainers(filters.FilterByScope(scope, filters.WatchtowerContainersFilter))
if err != nil {
log.Fatal(err)