migrate code over from xos repo
Change-Id: I764ac3196babdb1ce78dded2b2d8d6ad6e965ca6
diff --git a/xos/synchronizer/steps/sync_images.py b/xos/synchronizer/steps/sync_images.py
new file mode 100644
index 0000000..1638fd0
--- /dev/null
+++ b/xos/synchronizer/steps/sync_images.py
@@ -0,0 +1,52 @@
+import os
+import base64
+from django.db.models import F, Q
+from xos.config import Config
+from synchronizers.base.openstacksyncstep import OpenStackSyncStep
+from core.models.image import Image
+from xos.logger import observer_logger as logger
+
+class SyncImages(OpenStackSyncStep):
+ provides=[Image]
+ requested_interval=0
+ observes=Image
+
+ def fetch_pending(self, deleted):
+ # Images come from the back end
+ # You can't delete them
+ if (deleted):
+ logger.info("SyncImages: returning because deleted=True")
+ return []
+
+ # get list of images on disk
+ images_path = Config().observer_images_directory
+
+ logger.info("SyncImages: deleted=False, images_path=%s" % images_path)
+
+ available_images = {}
+ if os.path.exists(images_path):
+ for f in os.listdir(images_path):
+ filename = os.path.join(images_path, f)
+ if os.path.isfile(filename) and filename.endswith(".img"):
+ available_images[f] = filename
+
+ logger.info("SyncImages: available_images = %s" % str(available_images))
+
+ images = Image.objects.all()
+ image_names = [image.name for image in images]
+
+ for image_name in available_images:
+ #remove file extension
+ clean_name = ".".join(image_name.split('.')[:-1])
+ if clean_name not in image_names:
+ logger.info("SyncImages: adding %s" % clean_name)
+ image = Image(name=clean_name,
+ disk_format='raw',
+ container_format='bare',
+ path = available_images[image_name])
+ image.save()
+
+ return Image.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+ def sync_record(self, image):
+ image.save()