Add new quiet-down and cancel-quiet-down actions to the charm

actions.yaml

@@ -1,4 +1,8 @@
 restart:
   description: Wait for all jobs to be completed and restart jenkins.
 upgrade:
-  description: Upgrade jenkins package when using bundle.
+  description: Upgrade jenkins package when using bundle.
+quiet-down:
+  description: Put Jenkins in a Quiet mode. In that mode Jenkins doesn’t start any build.
+cancel-quiet-down:
+  description: Cancel quiet mode.

actions/cancel-quiet-down

@@ -0,0 +1,24 @@
+#!/usr/local/sbin/charm-env python3
+
+from charmhelpers.core.hookenv import (
+    action_fail,
+    action_set,
+)
+
+from charms.apt import status_set
+
+from charms.layer.jenkins.api import Api
+
+
+def cancel_quiet_down():
+    api = Api()
+    api.cancel_quiet_down()
+    status_set("active", "Jenkins is running")
+    action_set({'output': "Quiet mode has been cancelled",
+                'outcome': 'Success'})
+
+
+try:
+    cancel_quiet_down()
+except Exception as e:
+    action_fail("Failed to put jenkins in Quiet mode: {}".format(str(e)))

actions/quiet-down

@@ -0,0 +1,24 @@
+#!/usr/local/sbin/charm-env python3
+
+from charmhelpers.core.hookenv import (
+    action_fail,
+    action_set,
+)
+
+from charms.apt import status_set
+
+from charms.layer.jenkins.api import Api
+
+
+def quiet_down():
+    api = Api()
+    api.quiet_down()
+    status_set("maintenance", "Jenkins is in Quiet mode")
+    action_set({'output': "Jenkins has been put in Quiet mode",
+                'outcome': 'Success'})
+
+
+try:
+    quiet_down()
+except Exception as e:
+    action_fail("Failed to put jenkins in Quiet mode: {}".format(str(e)))