Initial commit

copyright

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+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0
+
+Files: *
+Copyright: 2015, Canonical Ltd.
+License: GPL-3
+
+License: GPL-3
+ On Debian GNU/Linux system you can find the complete text of the
+ GPL-3 license in '/usr/share/common-licenses/GPL-3'

interface.yaml

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+name: neutron-control
+summary: Interface for requesting restarts of neutron services
+maintainer: OpenStack Charmers <openstack-dev@lists.openstack.org>

provides.py

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+import uuid
+
+from charms.reactive import hook
+from charms.reactive import RelationBase
+from charms.reactive import scopes
+
+
+class NeutronControlProvides(RelationBase):
+    scope = scopes.GLOBAL
+
+    @hook('{provides:neutron-control}-relation-{joined,changed}')
+    def changed(self):
+        self.set_state('{relation_name}.connected')
+
+    @hook('{provides:neutron-control}-relation-{broken,departed}')
+    def broken(self):
+        self.remove_state('{relation_name}.connected')
+
+    def request_restart(self):
+        conversation = self.conversation()
+        relation_info = {
+            'restart-trigger': str(uuid.uuid4()),
+        }
+        conversation.set_remote(**relation_info)