Restage to pl/master
diff --git a/planetstack/syndicate_observer/steps/sync_volumeslice.py b/planetstack/syndicate_observer/steps/sync_volumeslice.py
new file mode 100644
index 0000000..8941b97
--- /dev/null
+++ b/planetstack/syndicate_observer/steps/sync_volumeslice.py
@@ -0,0 +1,157 @@
+#!/usr/bin/python
+
+import os
+import sys
+import base64
+import traceback
+
+if __name__ == "__main__":
+ # for testing
+ if os.getenv("OPENCLOUD_PYTHONPATH"):
+ sys.path.append( os.getenv("OPENCLOUD_PYTHONPATH") )
+ else:
+ print >> sys.stderr, "No OPENCLOUD_PYTHONPATH variable set. Assuming that OpenCloud is in PYTHONPATH"
+
+ os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
+
+from django.db.models import F, Q
+from planetstack.config import Config
+from observer.syncstep import SyncStep
+from core.models import Service, Slice
+
+import logging
+from logging import Logger
+logging.basicConfig( format='[%(levelname)s] [%(module)s:%(lineno)d] %(message)s' )
+logger = logging.getLogger()
+logger.setLevel( logging.INFO )
+
+# point to planetstack
+if __name__ != "__main__":
+ if os.getenv("OPENCLOUD_PYTHONPATH") is not None:
+ sys.path.insert(0, os.getenv("OPENCLOUD_PYTHONPATH"))
+ else:
+ logger.warning("No OPENCLOUD_PYTHONPATH set; assuming your PYTHONPATH works")
+
+from syndicate_storage.models import VolumeSlice,VolumeAccessRight,Volume
+
+# syndicatelib will be in stes/..
+parentdir = os.path.join(os.path.dirname(__file__),"..")
+sys.path.insert(0,parentdir)
+
+import syndicatelib
+
+
+class SyncVolumeSlice(SyncStep):
+ provides=[VolumeSlice]
+ requested_interval=0
+
+ def __init__(self, **args):
+ SyncStep.__init__(self, **args)
+
+ def fetch_pending(self):
+ return VolumeSlice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+
+ def sync_record(self, vs):
+
+ logger.info("Sync VolumeSlice for (%s, %s)" % (vs.volume_id.name, vs.slice_id.name))
+
+ # extract arguments...
+ user_email = vs.slice_id.creator.email
+ slice_name = vs.slice_id.name
+ volume_name = vs.volume_id.name
+ syndicate_caps = syndicatelib.opencloud_caps_to_syndicate_caps( vs.cap_read_data, vs.cap_write_data, vs.cap_host_data )
+ RG_port = vs.RG_portnum
+ UG_port = vs.UG_portnum
+ slice_secret = None
+
+ config = syndicatelib.get_config()
+ try:
+ observer_secret = config.SYNDICATE_OPENCLOUD_SECRET
+ RG_closure = config.SYNDICATE_RG_CLOSURE
+ observer_pkey_path = config.SYNDICATE_PRIVATE_KEY
+ syndicate_url = config.SYNDICATE_SMI_URL
+
+ except Exception, e:
+ traceback.print_exc()
+ logger.error("syndicatelib config is missing one or more of the following: SYNDICATE_OPENCLOUD_SECRET, SYNDICATE_RG_CLOSURE, SYNDICATE_PRIVATE_KEY, SYNDICATE_SMI_URL")
+ raise e
+
+ # get secrets...
+ try:
+ observer_pkey_pem = syndicatelib.get_private_key_pem( observer_pkey_path )
+ assert observer_pkey_pem is not None, "Failed to load Observer private key"
+
+ # get/create the slice secret
+ slice_secret = syndicatelib.get_or_create_slice_secret( observer_pkey_pem, slice_name )
+ assert slice_secret is not None, "Failed to get or create slice secret for %s" % slice_name
+
+ except Exception, e:
+ traceback.print_exc()
+ logger.error("Failed to load secret credentials")
+ raise e
+
+ # make sure there's a slice-controlled Syndicate user account for the slice owner
+ slice_principal_id = syndicatelib.make_slice_principal_id( user_email, slice_name )
+
+ try:
+ rc, user = syndicatelib.ensure_principal_exists( slice_principal_id, observer_secret, is_admin=False, max_UGs=1100, max_RGs=1 )
+ assert rc is True, "Failed to ensure principal %s exists (rc = %s,%s)" % (slice_principal_id, rc, user)
+ except Exception, e:
+ traceback.print_exc()
+ logger.error('Failed to ensure slice user %s exists' % slice_principal_id)
+ raise e
+
+ # grant the slice-owning user the ability to provision UGs in this Volume, and also provision for the user the (single) RG the slice will instantiate in each VM.
+ try:
+ rc = syndicatelib.setup_volume_access( slice_principal_id, volume_name, syndicate_caps, RG_port, observer_secret, RG_closure=RG_closure )
+ assert rc is True, "Failed to set up Volume access for slice %s in %s" % (slice_principal_id, volume_name)
+
+ except Exception, e:
+ traceback.print_exc()
+ logger.error("Failed to set up Volume access for slice %s in %s" % (slice_principal_id, volume_name))
+ raise e
+
+ # generate and save slice credentials....
+ try:
+ slice_cred = syndicatelib.save_slice_credentials( observer_pkey_pem, syndicate_url, slice_principal_id, volume_name, slice_name, observer_secret, slice_secret, UG_port, existing_user=user )
+ assert slice_cred is not None, "Failed to generate slice credential for %s in %s" % (slice_principal_id, volume_name )
+
+ except Exception, e:
+ traceback.print_exc()
+ logger.error("Failed to generate slice credential for %s in %s" % (slice_principal_id, volume_name))
+ raise e
+
+ # ... and push them all out.
+ try:
+ rc = syndicatelib.push_credentials_to_slice( slice_name, slice_cred )
+ assert rc is True, "Failed to push credentials to slice %s for volume %s" % (slice_name, volume_name)
+
+ except Exception, e:
+ traceback.print_exc()
+ logger.error("Failed to push slice credentials to %s for volume %s" % (slice_name, volume_name))
+ raise e
+
+ return True
+
+
+if __name__ == "__main__":
+ sv = SyncVolumeSlice()
+
+ # first, set all VolumeSlice to not-enacted so we can test
+ for v in VolumeSlice.objects.all():
+ v.enacted = None
+ v.save()
+
+ # NOTE: for resetting only
+ if len(sys.argv) > 1 and sys.argv[1] == "reset":
+ sys.exit(0)
+
+ recs = sv.fetch_pending()
+
+ for rec in recs:
+ if rec.slice_id.creator is None:
+ print "Ignoring slice %s, since it has no creator" % (rec.slice_id)
+ continue
+
+ sv.sync_record( rec )
+