Merge "ARIA multivim plugin initial checkin"

1 files changed, 125 insertions, 0 deletions

diff --git a/aria/multivim-plugin/cinder_plugin/volume.py b/aria/multivim-plugin/cinder_plugin/volume.py
new file mode 100644
index 0000000000..168681b943
--- /dev/null
+++ b/aria/multivim-plugin/cinder_plugin/volume.py
@@ -0,0 +1,125 @@
+#########
+# Copyright (c) 2014 GigaSpaces Technologies Ltd. All rights reserved
+#
+# 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 time
+
+from cloudify import ctx
+from cloudify.decorators import operation
+from cloudify import exceptions as cfy_exc
+
+from openstack_plugin_common import (delete_resource_and_runtime_properties,
+                                     with_cinder_client,
+                                     get_resource_id,
+                                     transform_resource_name,
+                                     use_external_resource,
+                                     validate_resource,
+                                     COMMON_RUNTIME_PROPERTIES_KEYS,
+                                     OPENSTACK_AZ_PROPERTY,
+                                     OPENSTACK_ID_PROPERTY,
+                                     OPENSTACK_TYPE_PROPERTY,
+                                     OPENSTACK_NAME_PROPERTY)
+from glance_plugin.image import handle_image_from_relationship
+
+VOLUME_STATUS_CREATING = 'creating'
+VOLUME_STATUS_DELETING = 'deleting'
+VOLUME_STATUS_AVAILABLE = 'available'
+VOLUME_STATUS_IN_USE = 'in-use'
+VOLUME_STATUS_ERROR = 'error'
+VOLUME_STATUS_ERROR_DELETING = 'error_deleting'
+VOLUME_ERROR_STATUSES = (VOLUME_STATUS_ERROR, VOLUME_STATUS_ERROR_DELETING)
+
+# Note: The 'device_name' property should actually be a property of the
+# relationship between a server and a volume; It'll move to that
+# relationship type once relationship properties are better supported.
+DEVICE_NAME_PROPERTY = 'device_name'
+
+VOLUME_OPENSTACK_TYPE = 'volume'
+
+RUNTIME_PROPERTIES_KEYS = COMMON_RUNTIME_PROPERTIES_KEYS
+
+
+@operation
+@with_cinder_client
+def create(cinder_client, status_attempts, status_timeout, args, **kwargs):
+
+    if use_external_resource(ctx, cinder_client, VOLUME_OPENSTACK_TYPE,
+                             'name'):
+        return
+
+    name = get_resource_id(ctx, VOLUME_OPENSTACK_TYPE)
+    volume_dict = {'name': name}
+    volume_dict.update(ctx.node.properties['volume'], **args)
+    handle_image_from_relationship(volume_dict, 'imageRef', ctx)
+    volume_dict['name'] = transform_resource_name(
+        ctx, volume_dict['name'])
+
+    v = cinder_client.volumes.create(**volume_dict)
+
+    ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY] = v.id
+    ctx.instance.runtime_properties[OPENSTACK_TYPE_PROPERTY] = \
+        VOLUME_OPENSTACK_TYPE
+    ctx.instance.runtime_properties[OPENSTACK_NAME_PROPERTY] = \
+        volume_dict['name']
+    wait_until_status(cinder_client=cinder_client,
+                      volume_id=v.id,
+                      status=VOLUME_STATUS_AVAILABLE,
+                      num_tries=status_attempts,
+                      timeout=status_timeout,
+                      )
+    ctx.instance.runtime_properties[OPENSTACK_AZ_PROPERTY] = \
+        v.availability_zone
+
+
+@operation
+@with_cinder_client
+def delete(cinder_client, **kwargs):
+    delete_resource_and_runtime_properties(ctx, cinder_client,
+                                           RUNTIME_PROPERTIES_KEYS)
+
+
+@with_cinder_client
+def wait_until_status(cinder_client, volume_id, status, num_tries,
+                      timeout):
+    for _ in range(num_tries):
+        volume = cinder_client.volumes.get(volume_id)
+
+        if volume.status in VOLUME_ERROR_STATUSES:
+            raise cfy_exc.NonRecoverableError(
+                "Volume {0} is in error state".format(volume_id))
+
+        if volume.status == status:
+            return volume, True
+        time.sleep(timeout)
+
+    ctx.logger.warning("Volume {0} current state: '{1}', "
+                       "expected state: '{2}'".format(volume_id,
+                                                      volume.status,
+                                                      status))
+    return volume, False
+
+
+@with_cinder_client
+def get_attachment(cinder_client, volume_id, server_id):
+    volume = cinder_client.volumes.get(volume_id)
+    for attachment in volume.attachments:
+        if attachment['server_id'] == server_id:
+            return attachment
+
+
+@operation
+@with_cinder_client
+def creation_validation(cinder_client, **kwargs):
+    validate_resource(ctx, cinder_client, VOLUME_OPENSTACK_TYPE,
+                      'name')