1 files changed, 78 insertions, 0 deletions
diff --git a/snaps/openstack/utils/glance_utils.py b/snaps/openstack/utils/glance_utils.py
new file mode 100644
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+++ b/snaps/openstack/utils/glance_utils.py
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+# Copyright (c) 2016 Cable Television Laboratories, Inc. ("CableLabs")
+#                    and others.  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 logging
+
+from snaps import file_utils
+from glanceclient.client import Client
+from snaps.openstack.utils import keystone_utils
+
+__author__ = 'spisarski'
+
+logger = logging.getLogger('glance_utils')
+
+"""
+Utilities for basic neutron API calls
+"""
+
+
+def glance_client(os_creds):
+    """
+    Creates and returns a glance client object
+    :return: the glance client
+    """
+    return Client(version=os_creds.image_api_version, session=keystone_utils.keystone_session(os_creds))
+
+
+def get_image(nova, glance, image_name):
+    """
+    Returns an OpenStack image object for a given name
+    :param nova: the Nova client
+    :param glance: the Glance client
+    :param image_name: the image name to lookup
+    :return: the image object or None
+    """
+    try:
+        image_dict = nova.images.find(name=image_name)
+        if image_dict:
+            return glance.images.get(image_dict.id)
+    except:
+        pass
+    return None
+
+
+def create_image(glance, image_settings):
+    """
+    Creates and returns OpenStack image object with an external URL
+    :param glance: the glance client
+    :param image_settings: the image settings object
+    :return: the OpenStack image object
+    :raise Exception if using a file and it cannot be found
+    """
+    if image_settings.url:
+        return glance.images.create(name=image_settings.name, disk_format=image_settings.format,
+                                    container_format="bare", location=image_settings.url)
+    elif image_settings.image_file:
+        image_file = file_utils.get_file(image_settings.image_file)
+        return glance.images.create(name=image_settings.name, disk_format=image_settings.format,
+                                    container_format="bare", data=image_file)
+
+
+def delete_image(glance, image):
+    """
+    Deletes an image from OpenStack
+    :param glance: the glance client
+    :param image: the image to delete
+    """
+    glance.images.delete(image)