Very basic image resource

All I've tried with this resource is listing so far.  I don't
see why some other operations wouldn't work, but I want to get
this in to get things rolling.

To run the example:

python -m examples.list openstack.image.v1.image.Image

Change-Id: Ia341c8bc2a914e38b96a67a21efb40ad8cf4e93c

examples/list.py

@@ -0,0 +1,39 @@
+# 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 sys
+
+from examples import common
+from examples import session
+
+
+def make_resource(opts):
+    argument = opts.argument
+    args = argument.rpartition('.')
+    from_str = args[0]
+    class_str = args[2]
+    __import__(from_str)
+    mod = sys.modules[from_str]
+    return getattr(mod, class_str)
+
+
+def run_list(opts):
+    sess = session.make_session(opts)
+    cls = make_resource(opts)
+    for obj in cls.list(sess):
+        print(str(obj))
+    return
+
+
+if __name__ == "__main__":
+    opts = common.setup()
+    sys.exit(common.main(opts, run_list))

openstack/image/image_service.py

@@ -0,0 +1,21 @@
+# 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 openstack.auth import service_filter
+
+
+class ImageService(service_filter.ServiceFilter):
+    """The image service."""
+
+    def __init__(self):
+        """Create an image service."""
+        super(ImageService, self).__init__(service_type='image')

openstack/image/v1/image.py

@@ -0,0 +1,46 @@
+# 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 openstack.image import image_service
+from openstack import resource
+
+
+class Image(resource.Resource):
+    resource_key = 'image'
+    resources_key = 'images'
+    base_path = '/images'
+    service = image_service.ImageService()
+
+    # capabilities
+    allow_create = True
+    allow_retrieve = True
+    allow_update = True
+    allow_delete = True
+    allow_list = True
+
+    # Properties
+    checksum = resource.prop('checksum')
+    container_format = resource.prop('container_format')
+    copy_from = resource.prop('copy_from')
+    disk_format = resource.prop('disk_format')
+    is_public = resource.prop('is_public')
+    location = resource.prop('location')
+    min_disk = resource.prop('min_disk')
+    min_ram = resource.prop('min_ram')
+    name = resource.prop('name')
+    owner = resource.prop('owner')
+    properties = resource.prop('properties')
+    protected = resource.prop('protected')
+    size = resource.prop('size')
+    status = resource.prop('status')
+    created_at = resource.prop('created_at')
+    updated_at = resource.prop('updated_at')

openstack/tests/image/test_image_service.py

@@ -0,0 +1,25 @@
+# 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 testtools
+
+from openstack.image import image_service
+
+
+class TestImageService(testtools.TestCase):
+
+    def test_service(self):
+        sot = image_service.ImageService()
+        self.assertEqual('image', sot.service_type)
+        self.assertEqual('public', sot.visibility)
+        self.assertIsNone(sot.region)
+        self.assertIsNone(sot.service_name)

openstack/tests/image/v1/test_image.py

@@ -0,0 +1,71 @@
+# 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 testtools
+
+from openstack.image.v1 import image
+
+IDENTIFIER = 'IDENTIFIER'
+EXAMPLE = {
+    'checksum': '1',
+    'container_format': '2',
+    'copy_from': '3',
+    'disk_format': '4',
+    'id': IDENTIFIER,
+    'is_public': '5',
+    'location': '6',
+    'min_disk': '7',
+    'min_ram': '8',
+    'name': '9',
+    'owner': '10',
+    'properties': '11',
+    'protected': '12',
+    'size': '13',
+    'status': '14',
+    'created_at': '2014-06-15 14:18:37.794540',
+    'updated_at': '2014-06-16 14:18:37.794540',
+}
+
+
+class TestImage(testtools.TestCase):
+
+    def test_basic(self):
+        sot = image.Image()
+        self.assertEqual('image', sot.resource_key)
+        self.assertEqual('images', sot.resources_key)
+        self.assertEqual('/images', sot.base_path)
+        self.assertEqual('image', sot.service.service_type)
+        self.assertTrue(sot.allow_create)
+        self.assertTrue(sot.allow_retrieve)
+        self.assertTrue(sot.allow_update)
+        self.assertTrue(sot.allow_delete)
+        self.assertTrue(sot.allow_list)
+
+    def test_make_it(self):
+        sot = image.Image(EXAMPLE)
+        self.assertEqual(EXAMPLE['checksum'], sot.checksum)
+        self.assertEqual(EXAMPLE['container_format'], sot.container_format)
+        self.assertEqual(EXAMPLE['copy_from'], sot.copy_from)
+        self.assertEqual(EXAMPLE['disk_format'], sot.disk_format)
+        self.assertEqual(IDENTIFIER, sot.id)
+        self.assertEqual(EXAMPLE['is_public'], sot.is_public)
+        self.assertEqual(EXAMPLE['location'], sot.location)
+        self.assertEqual(EXAMPLE['min_disk'], sot.min_disk)
+        self.assertEqual(EXAMPLE['min_ram'], sot.min_ram)
+        self.assertEqual(EXAMPLE['name'], sot.name)
+        self.assertEqual(EXAMPLE['owner'], sot.owner)
+        self.assertEqual(EXAMPLE['properties'], sot.properties)
+        self.assertEqual(EXAMPLE['protected'], sot.protected)
+        self.assertEqual(EXAMPLE['size'], sot.size)
+        self.assertEqual(EXAMPLE['status'], sot.status)
+        self.assertEqual(EXAMPLE['created_at'], sot.created_at)
+        self.assertEqual(EXAMPLE['updated_at'], sot.updated_at)