dokku/plugins/apps/triggers.go

package apps

import (
	"fmt"

	"github.com/dokku/dokku/plugins/common"
)

// TriggerAppCreate is a trigger to create an app
func TriggerAppCreate(appName string) error {
	return createApp(appName)
}

// TriggerAppDestroy is a trigger to destroy an app
func TriggerAppDestroy(appName string) error {
	return destroyApp(appName)
}

// TriggerAppExists is a trigger to check if an app exists
func TriggerAppExists(appName string) error {
	return appExists(appName)
}

// TriggerAppMaybeCreate is a trigger to allow gated app creation
func TriggerAppMaybeCreate(appName string) error {
	return maybeCreateApp(appName)
}

// TriggerDeploySourceSet sets the current deploy source
func TriggerDeploySourceSet(appName string, sourceType string, sourceMetadata string) error {
	if err := common.PropertyWrite("apps", appName, "deploy-source", sourceType); err != nil {
		return err
	}

	return common.PropertyWrite("apps", appName, "deploy-source-metadata", sourceMetadata)
}

// TriggerInstall runs the install step for the apps plugin
func TriggerInstall() error {
	if err := common.PropertySetup("apps"); err != nil {
		return fmt.Errorf("Unable to install the apps plugin: %s", err.Error())
	}

	return nil
}

// TriggerPostAppCloneSetup creates new apps files
func TriggerPostAppCloneSetup(oldAppName string, newAppName string) error {
	err := common.PropertyClone("apps", oldAppName, newAppName)
	if err != nil {
		return err
	}

	return nil
}

// TriggerPostAppRenameSetup renames apps files
func TriggerPostAppRenameSetup(oldAppName string, newAppName string) error {
	if err := common.PropertyClone("apps", oldAppName, newAppName); err != nil {
		return err
	}

	if err := common.PropertyDestroy("apps", oldAppName); err != nil {
		return err
	}

	return nil
}

// TriggerPostDelete is the apps post-delete plugin trigger
func TriggerPostDelete(appName string) error {
	if err := common.PropertyDestroy("apps", appName); err != nil {
		common.LogWarn(err.Error())
	}

	imagesByAppLabel, err := listImagesByAppLabel(appName)
	if err != nil {
		common.LogWarn(err.Error())
	}

	imageRepo := common.GetAppImageRepo(appName)
	imagesByRepo, err := listImagesByImageRepo(imageRepo)
	if err != nil {
		common.LogWarn(err.Error())
	}

	images := append(imagesByAppLabel, imagesByRepo...)
	common.RemoveImages(images)

	return nil
}