Merge "ARIA multivim plugin initial checkin"

1 files changed, 177 insertions, 0 deletions

diff --git a/aria/multivim-plugin/glance_plugin/image.py b/aria/multivim-plugin/glance_plugin/image.py
new file mode 100644
index 0000000000..a8d5b203f4
--- /dev/null
+++ b/aria/multivim-plugin/glance_plugin/image.py
@@ -0,0 +1,177 @@
+#########
+# Copyright (c) 2015 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 httplib
+from urlparse import urlparse
+
+from cloudify import ctx
+from cloudify.decorators import operation
+from cloudify.exceptions import NonRecoverableError
+
+from openstack_plugin_common import (
+    with_glance_client,
+    get_resource_id,
+    use_external_resource,
+    get_openstack_ids_of_connected_nodes_by_openstack_type,
+    delete_resource_and_runtime_properties,
+    validate_resource,
+    COMMON_RUNTIME_PROPERTIES_KEYS,
+    OPENSTACK_ID_PROPERTY,
+    OPENSTACK_TYPE_PROPERTY,
+    OPENSTACK_NAME_PROPERTY)
+
+
+IMAGE_OPENSTACK_TYPE = 'image'
+IMAGE_STATUS_ACTIVE = 'active'
+
+RUNTIME_PROPERTIES_KEYS = COMMON_RUNTIME_PROPERTIES_KEYS
+REQUIRED_PROPERTIES = ['container_format', 'disk_format']
+
+
+@operation
+@with_glance_client
+def create(glance_client, **kwargs):
+    if use_external_resource(ctx, glance_client, IMAGE_OPENSTACK_TYPE):
+        return
+
+    img_dict = {
+        'name': get_resource_id(ctx, IMAGE_OPENSTACK_TYPE)
+    }
+    _validate_image_dictionary()
+    img_properties = ctx.node.properties['image']
+    img_dict.update({key: value for key, value in img_properties.iteritems()
+                    if key != 'data'})
+    img = glance_client.images.create(**img_dict)
+    img_path = img_properties.get('data', '')
+    img_url = ctx.node.properties.get('image_url')
+    try:
+        _validate_image()
+        if img_path:
+            with open(img_path, 'rb') as image_file:
+                glance_client.images.upload(
+                    image_id=img.id,
+                    image_data=image_file)
+        elif img_url:
+            img = glance_client.images.add_location(img.id, img_url, {})
+
+    except:
+        _remove_protected(glance_client)
+        glance_client.images.delete(image_id=img.id)
+        raise
+
+    ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY] = img.id
+    ctx.instance.runtime_properties[OPENSTACK_TYPE_PROPERTY] = \
+        IMAGE_OPENSTACK_TYPE
+    ctx.instance.runtime_properties[OPENSTACK_NAME_PROPERTY] = img.name
+
+
+def _get_image_by_ctx(glance_client, ctx):
+    return glance_client.images.get(
+        image_id=ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY])
+
+
+@operation
+@with_glance_client
+def start(glance_client, start_retry_interval, **kwargs):
+    img = _get_image_by_ctx(glance_client, ctx)
+    if img.status != IMAGE_STATUS_ACTIVE:
+        return ctx.operation.retry(
+            message='Waiting for image to get uploaded',
+            retry_after=start_retry_interval)
+
+
+@operation
+@with_glance_client
+def delete(glance_client, **kwargs):
+    _remove_protected(glance_client)
+    delete_resource_and_runtime_properties(ctx, glance_client,
+                                           RUNTIME_PROPERTIES_KEYS)
+
+
+@operation
+@with_glance_client
+def creation_validation(glance_client, **kwargs):
+    validate_resource(ctx, glance_client, IMAGE_OPENSTACK_TYPE)
+    _validate_image_dictionary()
+    _validate_image()
+
+
+def _validate_image_dictionary():
+    img = ctx.node.properties['image']
+    missing = ''
+    try:
+        for prop in REQUIRED_PROPERTIES:
+            if prop not in img:
+                missing += '{0} '.format(prop)
+    except TypeError:
+        missing = ' '.join(REQUIRED_PROPERTIES)
+    if missing:
+        raise NonRecoverableError('Required properties are missing: {'
+                                  '0}. Please update your image '
+                                  'dictionary.'.format(missing))
+
+
+def _validate_image():
+    img = ctx.node.properties['image']
+    img_path = img.get('data')
+    img_url = ctx.node.properties.get('image_url')
+    if not img_url and not img_path:
+        raise NonRecoverableError('Neither image url nor image path was '
+                                  'provided')
+    if img_url and img_path:
+        raise NonRecoverableError('Multiple image sources provided')
+    if img_url:
+        _check_url(img_url)
+    if img_path:
+        _check_path()
+
+
+def _check_url(url):
+    p = urlparse(url)
+    conn = httplib.HTTPConnection(p.netloc)
+    conn.request('HEAD', p.path)
+    resp = conn.getresponse()
+    if resp.status >= 400:
+        raise NonRecoverableError('Invalid image URL')
+
+
+def _check_path():
+    img = ctx.node.properties['image']
+    img_path = img.get('data')
+    try:
+        with open(img_path, 'rb'):
+            pass
+    except TypeError:
+        if not img.get('url'):
+            raise NonRecoverableError('No path or url provided')
+    except IOError:
+        raise NonRecoverableError(
+            'Unable to open image file with path: "{}"'.format(img_path))
+
+
+def _remove_protected(glance_client):
+    if use_external_resource(ctx, glance_client, IMAGE_OPENSTACK_TYPE):
+        return
+
+    is_protected = ctx.node.properties['image'].get('protected', False)
+    if is_protected:
+        img_id = ctx.instance.runtime_properties[OPENSTACK_ID_PROPERTY]
+        glance_client.images.update(img_id, protected=False)
+
+
+def handle_image_from_relationship(obj_dict, property_name_to_put, ctx):
+    images = get_openstack_ids_of_connected_nodes_by_openstack_type(
+        ctx, IMAGE_OPENSTACK_TYPE)
+    if images:
+        obj_dict.update({property_name_to_put: images[0]})