blob: 8941b9739c2681b4ac9a89f33c94a78e8834e7fc [file] [log] [blame]
#!/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 )