-### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
-
-import datetime
-import time
-import traceback
+#
import sys
-from copy import deepcopy
-from lxml import etree
+import time,datetime
from StringIO import StringIO
from types import StringTypes
+from copy import deepcopy
+from copy import copy
+from lxml import etree
+
+from sfa.util.sfalogging import sfa_logger
from sfa.util.rspecHelper import merge_rspecs
-from sfa.util.namespace import *
+from sfa.util.xrn import Xrn, urn_to_hrn, hrn_to_urn
+from sfa.util.plxrn import hrn_to_pl_slicename
from sfa.util.rspec import *
from sfa.util.specdict import *
from sfa.util.faults import *
from sfa.util.threadmanager import ThreadManager
import sfa.util.xmlrpcprotocol as xmlrpcprotocol
import sfa.plc.peers as peers
-from copy import copy
-
-def get_version():
- version = {}
- version['geni_api'] = 1
- version['sfa'] = 1
- return version
+from sfa.util.version import version_core
+
+def GetVersion(api):
+ peers =dict ([ (peername,v._ServerProxy__host) for (peername,v) in api.aggregates.items()
+ if peername != api.hrn])
+ xrn=Xrn (api.hrn)
+ return version_core({'interface':'slicemgr',
+ 'hrn' : xrn.get_hrn(),
+ 'urn' : xrn.get_urn(),
+ 'peers': peers,
+ })
def slice_status(api, slice_xrn, creds ):
+ hrn, type = urn_to_hrn(slice_xrn)
+ # find out where this slice is currently running
+ api.logger.info(hrn)
+ slicename = hrn_to_pl_slicename(hrn)
+ api.logger.info("Checking status for %s" % slicename)
+ slices = api.plshell.GetSlices(api.plauth, [slicename], ['node_ids','person_ids','name','expires'])
+ if len(slices) == 0:
+ raise Exception("Slice %s not found (used %s as slicename internally)" % (slice_xrn, slicename))
+ slice = slices[0]
+
+ nodes = api.plshell.GetNodes(api.plauth, slice['node_ids'],
+ ['hostname', 'boot_state', 'last_contact'])
+ api.logger.info(slice)
+ api.logger.info(nodes)
+
result = {}
result['geni_urn'] = slice_xrn
result['geni_status'] = 'unknown'
- result['geni_resources'] = {}
+ result['pl_login'] = slice['name']
+ result['pl_expires'] = datetime.datetime.fromtimestamp(slice['expires']).ctime()
+
+ resources = []
+
+ for node in nodes:
+ res = {}
+ res['pl_hostname'] = node['hostname']
+ res['pl_boot_state'] = node['boot_state']
+ res['pl_last_contact'] = node['last_contact']
+ if not node['last_contact'] is None:
+ res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
+ res['geni_urn'] = ''
+ res['geni_status'] = 'unknown'
+ res['geni_error'] = ''
+
+ resources.append(res)
+
+ result['geni_resources'] = resources
return result
def create_slice(api, xrn, creds, rspec, users):
hrn, type = urn_to_hrn(xrn)
# get the callers hrn
- valid_cred = api.auth.checkCredentials(creds, 'renewesliver', hrn)[0]
+ valid_cred = api.auth.checkCredentials(creds, 'renewsliver', hrn)[0]
caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
# attempt to use delegated credential first
continue
server = api.aggregates[aggregate]
- threads.run(server.RenewSliver, xrn, credential, expiration_time)
+ threads.run(server.RenewSliver, xrn, [credential], expiration_time)
threads.get_results()
return 1
def get_rspec(api, creds, options):
# get slice's hrn from options
- xrn = options.get('geni_slice_urn', None)
+ xrn = options.get('geni_slice_urn', '')
hrn, type = urn_to_hrn(xrn)
# get hrn of the original caller
origin_hrn = options.get('origin_hrn', None)
if not origin_hrn:
- origin_hrn = Credential(string=creds[0]).get_gid_caller().get_hrn()
+ if isinstance(creds, list):
+ origin_hrn = Credential(string=creds[0]).get_gid_caller().get_hrn()
+ else:
+ origin_hrn = Credential(string=creds).get_gid_caller().get_hrn()
# look in cache first
if api.cache and not xrn:
return rspec
hrn, type = urn_to_hrn(xrn)
- rspec = None
# get the callers hrn
valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
#threads.run(server.get_resources, cred, xrn, origin_hrn)
results = threads.get_results()
- # combine the rspecs into a single rspec
- for agg_rspec in results:
- try:
- tree = etree.parse(StringIO(agg_rspec))
- except etree.XMLSyntaxError:
- message = str(agg_rspec) + ": " + str(sys.exc_info()[1])
- raise InvalidRSpec(message)
+ merged_rspec = merge_rspecs(results)
- root = tree.getroot()
- if root.get("type") in ["SFA"]:
- if rspec == None:
- rspec = root
- else:
- for network in root.iterfind("./network"):
- rspec.append(deepcopy(network))
- for request in root.iterfind("./request"):
- rspec.append(deepcopy(request))
-
- rspec = etree.tostring(rspec, xml_declaration=True, pretty_print=True)
# cache the result
if api.cache and not xrn:
- api.cache.add('nodes', rspec)
+ api.cache.add('nodes', merged_rspec)
- return rspec
+ return merged_rspec
def main():
r = RSpec()