Initial commit

interface.yaml

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+name: nova-compute
+summary: Controller <-> compute interface
+version: 1
+maintainer: "<openstack-charmers@lists.ubuntu.com>"

provides.py

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+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from charms.reactive import set_flag, clear_flag
+from charms.reactive import Endpoint
+from charms.reactive import when_any, when_not, when
+
+
+class NovaComputeProvides(Endpoint):
+
+    @when_not('endpoint.{endpoint_name}.joined')
+    def broken(self):
+        clear_flag(self.expand_name('endpoint.{endpoint_name}.new-request'))
+        clear_flag(self.expand_name('{endpoint_name}.connected'))
+
+    @when('endpoint.{endpoint_name}.joined')
+    def joined(self):
+        set_flag(self.expand_name('{endpoint_name}.connected'))
+

requires.py

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+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import socket
+from urllib.parse import urlparse
+import uuid
+
+from charmhelpers.core import hookenv
+
+from charms.reactive import set_flag, clear_flag
+from charms.reactive import Endpoint
+from charms.reactive import when_any, when_not, when
+
+
+class NovaComputeRequires(Endpoint):
+
+    @when('endpoint.{endpoint_name}.changed')
+    def data_changed(self):
+        #set_flag(self.expand_name('{endpoint_name}.available'))
+        pass
+
+    @when_not('endpoint.{endpoint_name}.joined')
+    def broken(self):
+        clear_flag(self.expand_name('{endpoint_name}.available'))
+
+    @when('endpoint.{endpoint_name}.joined')
+    def joined(self):
+        set_flag(self.expand_name('{endpoint_name}.connected'))
+
+
+    def set_network_data(self, neutron_url, neutron_plugin=None, network_manager=None, enable_security_groups=True):
+        o = urlparse(neutron_url)
+        if enable_security_groups:
+            security_groups = 'yes'
+        else:
+            security_groups = 'no'
+        for relation in self.relations:
+            relation.to_publish_raw['quantum_host'] = o.hostname
+            relation.to_publish_raw['quantum_plugin'] = neutron_plugin or 'ovs'
+            relation.to_publish_raw['quantum_port'] = o.port
+            relation.to_publish_raw['quantum_security_groups'] = security_groups
+            relation.to_publish_raw['quantum_url'] = neutron_url
+            relation.to_publish_raw['network_manager'] = network_manager or 'neutron'
+
+    def set_console_data(self, serial_console_base_url, enable_serial_console):
+        for relation in self.relations:
+            relation.to_publish_raw['serial_console_base_url'] = serial_console_base_url
+            relation.to_publish_raw['enable_serial_console'] = enable_serial_console
+
+    def trigger_remote_restart(self):
+        trigger = uuid.uuid1()
+        for relation in self.relations:
+            relation.to_publish_raw['restart_trigger'] = trigger
+
+    def set_region(self, region):
+        for relation in self.relations:
+            relation.to_publish_raw['region'] = region
+
+    def set_volume_data(self, volume_service):
+        for relation in self.relations:
+            relation.to_publish_raw['volume_service'] = volume_service
+
+    def set_ec2_data(self, ec2_host):
+        for relation in self.relations:
+            relation.to_publish_raw['ec2_host'] = ec2_host