refactor: hopefully more robust prune logic, docs
This commit is contained in:
parent
b8abc8705c
commit
98fc36c830
|
@ -24,52 +24,53 @@ var pruneFlag = &cli.BoolFlag{
|
||||||
Usage: "Prunes unused containers, networks, and dangling images for an app",
|
Usage: "Prunes unused containers, networks, and dangling images for an app",
|
||||||
}
|
}
|
||||||
|
|
||||||
// pruneSystem runs the equivalent of a "docker system prune" after undeploying
|
// pruneSystem runs the equivalent of a "docker system prune" after an undeploy
|
||||||
// in order to clean up left over state related to the deployment. We must run
|
// in order to clean up left over state related to the deployment. Volumes are
|
||||||
// this logic inside a loop as it may take some time for the undeployed to come
|
// not pruned to avoid unwated data loss.
|
||||||
// down.
|
|
||||||
func pruneSystem(c *cli.Context, cl *dockerClient.Client, app config.App) error {
|
func pruneSystem(c *cli.Context, cl *dockerClient.Client, app config.App) error {
|
||||||
|
stackName := app.StackName()
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
for {
|
for {
|
||||||
if !prune {
|
logrus.Debugf("polling for %s stack, waiting to be undeployed...", stackName)
|
||||||
return nil
|
|
||||||
}
|
|
||||||
|
|
||||||
stackName := app.StackName()
|
services, err := stack.GetStackServices(ctx, cl, stackName)
|
||||||
|
|
||||||
ctx := context.Background()
|
|
||||||
pruneFilters := filters.NewArgs()
|
|
||||||
stackSearch := fmt.Sprintf("%s*", stackName)
|
|
||||||
pruneFilters.Add("label", stackSearch)
|
|
||||||
cr, err := cl.ContainersPrune(ctx, pruneFilters)
|
|
||||||
if err != nil {
|
if err != nil {
|
||||||
logrus.Errorf(err.Error())
|
return err
|
||||||
time.Sleep(time.Second)
|
|
||||||
continue
|
|
||||||
}
|
}
|
||||||
|
|
||||||
logrus.Infof("containers deleted: %s; space reclaimed: %v", cr.ContainersDeleted, cr.SpaceReclaimed)
|
if len(services) == 0 {
|
||||||
|
logrus.Debugf("%s undeployed, moving on with pruning logic", stackName)
|
||||||
nr, err := cl.NetworksPrune(ctx, pruneFilters)
|
break
|
||||||
if err != nil {
|
|
||||||
logrus.Errorf(err.Error())
|
|
||||||
time.Sleep(time.Second)
|
|
||||||
continue
|
|
||||||
}
|
}
|
||||||
|
|
||||||
logrus.Infof("networks deleted %s", nr.NetworksDeleted)
|
time.Sleep(time.Second)
|
||||||
|
|
||||||
ir, err := cl.ImagesPrune(ctx, pruneFilters)
|
|
||||||
if err != nil {
|
|
||||||
logrus.Errorf(err.Error())
|
|
||||||
time.Sleep(time.Second)
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
|
|
||||||
logrus.Infof("images deleted: %s; space reclaimed: %v", ir.ImagesDeleted, ir.SpaceReclaimed)
|
|
||||||
|
|
||||||
break
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
pruneFilters := filters.NewArgs()
|
||||||
|
stackSearch := fmt.Sprintf("%s*", stackName)
|
||||||
|
pruneFilters.Add("label", stackSearch)
|
||||||
|
cr, err := cl.ContainersPrune(ctx, pruneFilters)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
logrus.Infof("containers deleted: %s; space reclaimed: %v", cr.ContainersDeleted, cr.SpaceReclaimed)
|
||||||
|
|
||||||
|
nr, err := cl.NetworksPrune(ctx, pruneFilters)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
logrus.Infof("networks deleted %s", nr.NetworksDeleted)
|
||||||
|
|
||||||
|
ir, err := cl.ImagesPrune(ctx, pruneFilters)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
logrus.Infof("images deleted: %s; space reclaimed: %v", ir.ImagesDeleted, ir.SpaceReclaimed)
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -118,8 +119,10 @@ volumes as eligible for pruning once undeployed.
|
||||||
logrus.Fatal(err)
|
logrus.Fatal(err)
|
||||||
}
|
}
|
||||||
|
|
||||||
if err := pruneSystem(c, cl, app); err != nil {
|
if prune {
|
||||||
logrus.Fatal(err)
|
if err := pruneSystem(c, cl, app); err != nil {
|
||||||
|
logrus.Fatal(err)
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
|
|
Loading…
Reference in New Issue