3 from collections import defaultdict
4 from django.db.models import F, Q
5 from planetstack.config import Config
6 from observer.openstacksyncstep import OpenStackSyncStep
7 from core.models.deployment import Deployment
8 from core.models.image import Image, ImageDeployments
9 from util.logger import Logger, logging
11 logger = Logger(level=logging.INFO)
13 class SyncImageDeployments(OpenStackSyncStep):
14 provides=[ImageDeployments]
17 def fetch_pending(self):
18 # ensure images are available across all deployments
19 image_deployments = ImageDeployments.objects.all()
20 image_deploy_lookup = defaultdict(list)
21 for image_deployment in image_deployments:
22 image_deploy_lookup[image_deployment.image].append(image_deployment.deployment)
24 all_deployments = Deployment.objects.all()
25 for image in Image.objects.all():
26 expected_deployments = all_deployments
27 for expected_deployment in expected_deployments:
28 if image not in image_deploy_lookup or \
29 expected_deployment not in image_deploy_lookup[image]:
30 id = ImageDeployments(image=image, deployment=expected_deployment)
33 # now we return all images that need to be enacted
34 return ImageDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
36 def sync_record(self, image_deployment):
37 logger.info("Working on image %s on deployment %s" % (image_deployment.image.name, image_deployment.deployment.name))
38 driver = self.driver.admin_driver(deployment=image_deployment.deployment.name)
39 images = driver.shell.glance.get_images()
42 if image['name'] == image_deployment.image.name:
46 logger.info("Found image %s on deployment %s" % (image_deployment.image.name, image_deployment.deployment.name))
47 image_deployment.glance_image_id = glance_image['id']
48 elif image_deployment.image.path:
50 'name': image_deployment.image.name,
53 'container_format': 'bare',
54 'file': image_deployment.image.path,
57 logger.info("Creating image %s on deployment %s" % (image_deployment.image.name, image_deployment.deployment.name))
59 glance_image = driver.shell.glanceclient.images.create(name=image_deployment.image.name,
62 container_format='bare')
63 glance_image.update(data=open(image_deployment.image.path, 'rb'))
65 # While the images returned by driver.shell.glance.get_images()
66 # are dicts, the images returned by driver.shell.glanceclient.images.create
67 # are not dicts. We have to use getattr() instead of [] operator.
68 if not glance_image or not getattr(glance_image,"id",None):
69 raise Exception, "Add image failed at deployment %s" % image_deployment.deployment.name
70 image_deployment.glance_image_id = getattr(glance_image, "id")
71 image_deployment.save()