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Monitor-only for individual containers (#652)

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* Add monitor-only label

* Add tests for monitor-only

* Treat missing monitor-only label as if the option was set to false

* Add docs for container-based monitor-only

* Add function doc

* Fix monitor-only logic
This commit is contained in:
David H 2020-10-03 22:00:02 +02:00 • committed by GitHub
parent 98b518612b
commit bde421be0d
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 147 additions and 10 deletions
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18
internal/actions/update.go
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@ -28,7 +28,7 @@ func Update(client container.Client, params types.UpdateParams) error {
for i, targetContainer := range containers {
stale, err := client.IsContainerStale(targetContainer)
if stale && !params.NoRestart && !params.MonitorOnly && !targetContainer.HasImageInfo() {
if stale && !params.NoRestart && !params.MonitorOnly && !targetContainer.IsMonitorOnly() && !targetContainer.HasImageInfo() {
err = errors.New("no available image info")
}
if err != nil {
@ -45,18 +45,20 @@ func Update(client container.Client, params types.UpdateParams) error {
checkDependencies(containers)
if params.MonitorOnly {
if params.LifecycleHooks {
lifecycle.ExecutePostChecks(client, params)
containersToUpdate := []container.Container{}
if !params.MonitorOnly {
for i := len(containers) - 1; i >= 0; i-- {
if !containers[i].IsMonitorOnly() {
containersToUpdate = append(containersToUpdate, containers[i])
}
}
return nil
}
if params.RollingRestart {
performRollingRestart(containers, client, params)
performRollingRestart(containersToUpdate, client, params)
} else {
stopContainersInReversedOrder(containers, client, params)
restartContainersInSortedOrder(containers, client, params)
stopContainersInReversedOrder(containersToUpdate, client, params)
restartContainersInSortedOrder(containersToUpdate, client, params)
}
if params.LifecycleHooks {
lifecycle.ExecutePostChecks(client, params)