128 lines
3.2 KiB
Go
128 lines
3.2 KiB
Go
package app
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import (
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"context"
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"fmt"
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"time"
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"coopcloud.tech/abra/cli/internal"
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"coopcloud.tech/abra/pkg/autocomplete"
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"coopcloud.tech/abra/pkg/client"
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"coopcloud.tech/abra/pkg/config"
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stack "coopcloud.tech/abra/pkg/upstream/stack"
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"github.com/docker/docker/api/types/filters"
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dockerClient "github.com/docker/docker/client"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var prune bool
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var pruneFlag = &cli.BoolFlag{
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Name: "prune, p",
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Destination: &prune,
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Usage: "Prunes unused containers, networks, and dangling images for an app",
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}
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// pruneSystem runs the equivalent of a "docker system prune" after undeploying
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// in order to clean up left over state related to the deployment. We must run
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// this logic inside a loop as it may take some time for the undeployed to come
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// down.
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func pruneSystem(c *cli.Context, cl *dockerClient.Client, app config.App) error {
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for {
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if !prune {
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return nil
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}
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stackName := app.StackName()
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ctx := context.Background()
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pruneFilters := filters.NewArgs()
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stackSearch := fmt.Sprintf("%s*", stackName)
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pruneFilters.Add("label", stackSearch)
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cr, err := cl.ContainersPrune(ctx, pruneFilters)
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if err != nil {
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logrus.Errorf(err.Error())
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time.Sleep(time.Second)
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continue
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}
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logrus.Infof("containers deleted: %s; space reclaimed: %v", cr.ContainersDeleted, cr.SpaceReclaimed)
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nr, err := cl.NetworksPrune(ctx, pruneFilters)
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if err != nil {
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logrus.Errorf(err.Error())
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time.Sleep(time.Second)
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continue
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}
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logrus.Infof("networks deleted %s", nr.NetworksDeleted)
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ir, err := cl.ImagesPrune(ctx, pruneFilters)
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if err != nil {
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logrus.Errorf(err.Error())
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time.Sleep(time.Second)
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continue
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}
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logrus.Infof("images deleted: %s; space reclaimed: %v", ir.ImagesDeleted, ir.SpaceReclaimed)
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break
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}
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return nil
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}
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var appUndeployCommand = cli.Command{
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Name: "undeploy",
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Aliases: []string{"un"},
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ArgsUsage: "<domain>",
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Flags: []cli.Flag{
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internal.DebugFlag,
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internal.NoInputFlag,
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pruneFlag,
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},
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Before: internal.SubCommandBefore,
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Usage: "Undeploy an app",
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BashComplete: autocomplete.AppNameComplete,
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Description: `
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This does not destroy any of the application data. However, you should remain
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vigilant, as your swarm installation will consider any previously attached
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volumes as eligible for pruning once undeployed.
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`,
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Action: func(c *cli.Context) error {
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app := internal.ValidateApp(c)
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stackName := app.StackName()
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cl, err := client.New(app.Server)
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if err != nil {
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logrus.Fatal(err)
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}
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logrus.Debugf("checking whether %s is already deployed", stackName)
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isDeployed, deployedVersion, err := stack.IsDeployed(context.Background(), cl, stackName)
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if err != nil {
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logrus.Fatal(err)
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}
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if !isDeployed {
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logrus.Fatalf("%s is not deployed?", app.Name)
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}
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if err := internal.DeployOverview(app, deployedVersion, "continue with undeploy?"); err != nil {
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logrus.Fatal(err)
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}
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rmOpts := stack.Remove{Namespaces: []string{app.StackName()}}
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if err := stack.RunRemove(context.Background(), cl, rmOpts); err != nil {
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logrus.Fatal(err)
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}
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if err := pruneSystem(c, cl, app); err != nil {
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logrus.Fatal(err)
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}
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return nil
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},
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}
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