feat: add the ability to specify a custom mailto for all cron output

plugins/cron/triggers.go

@@ -0,0 +1,55 @@
+package cron
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/dokku/dokku/plugins/common"
+)
+
+// TriggerCronGetProperty writes the cron key to stdout for a given app container
+func TriggerCronGetProperty(appName string, key string) error {
+	if key != "mailto" {
+		return errors.New("Invalid cron property specified")
+	}
+
+	fmt.Println(common.PropertyGet("cron", appName, key))
+	return nil
+}
+
+// TriggerInstall runs the install step for the cron plugin
+func TriggerInstall() error {
+	if err := common.PropertySetup("cron"); err != nil {
+		return fmt.Errorf("Unable to install the cron plugin: %s", err.Error())
+	}
+
+	return nil
+}
+
+// TriggerPostAppCloneSetup creates new cron files
+func TriggerPostAppCloneSetup(oldAppName string, newAppName string) error {
+	err := common.PropertyClone("cron", oldAppName, newAppName)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// TriggerPostAppRenameSetup renames cron files
+func TriggerPostAppRenameSetup(oldAppName string, newAppName string) error {
+	if err := common.PropertyClone("cron", oldAppName, newAppName); err != nil {
+		return err
+	}
+
+	if err := common.PropertyDestroy("cron", oldAppName); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// TriggerPostDelete destroys the cron property for a given app container
+func TriggerPostDelete(appName string) error {
+	return common.PropertyDestroy("cron", appName)
+}