### $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 urn_to_hrn, hrn_to_urn
from sfa.util.rspec import *
from sfa.util.specdict import *
from sfa.util.faults import *
from sfa.trust.credential import Credential
from sfa.util.threadmanager import ThreadManager
import sfa.util.xmlrpcprotocol as xmlrpcprotocol
-from sfa.util.debug import log
import sfa.plc.peers as peers
def get_version():
version = {}
version['geni_api'] = 1
+ version['sfa'] = 1
return version
-def delete_slice(api, xrn, origin_hrn=None):
- credential = api.getCredential()
- threads = ThreadManager()
- for aggregate in api.aggregates:
- server = api.aggregates[aggregate]
- threads.run(server.delete_slice, credential, xrn, origin_hrn)
- threads.get_results()
- return 1
+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['pl_login'] = slice['name']
+ result['pl_expires'] = slice['expires']
+
+ 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']
+ res['geni_urn'] = ''
+ res['geni_status'] = 'unknown'
+ res['geni_error'] = ''
+
+ resources.append(res)
+
+ result['geni_resources'] = resources
+ return result
-def create_slice(api, xrn, rspec, origin_hrn=None):
+def create_slice(api, xrn, creds, rspec, users):
hrn, type = urn_to_hrn(xrn)
# Validate the RSpec against PlanetLab's schema --disabled for now
message = "%s (line %s)" % (error.message, error.line)
raise InvalidRSpec(message)
- cred = api.getCredential()
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'createsliver', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
threads = ThreadManager()
for aggregate in api.aggregates:
- if aggregate not in [api.auth.client_cred.get_gid_caller().get_hrn()]:
- server = api.aggregates[aggregate]
- # Just send entire RSpec to each aggregate
- threads.run(server.create_slice, cred, xrn, rspec, origin_hrn)
- threads.get_results()
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+
+ # Just send entire RSpec to each aggregate
+ server = api.aggregates[aggregate]
+ threads.run(server.CreateSliver, xrn, credential, rspec, users)
+
+ results = threads.get_results()
+ merged_rspec = merge_rspecs(results)
+ return merged_rspec
+
+def renew_slice(api, xrn, creds, expiration_time):
+ hrn, type = urn_to_hrn(xrn)
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'renewesliver', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+
+ server = api.aggregates[aggregate]
+ threads.run(server.RenewSliver, xrn, credential, expiration_time)
+ threads.get_results()
return 1
-def get_ticket(api, xrn, rspec, origin_hrn=None):
+def get_ticket(api, xrn, creds, rspec, users):
slice_hrn, type = urn_to_hrn(xrn)
# get the netspecs contained within the clients rspec
aggregate_rspecs = {}
aggregate_hrn = element.values()[0]
aggregate_rspecs[aggregate_hrn] = rspec
- # get a ticket from each aggregate
- credential = api.getCredential()
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'getticket', slice_hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
threads = ThreadManager()
for aggregate, aggregate_rspec in aggregate_rspecs.items():
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
server = None
if aggregate in api.aggregates:
server = api.aggregates[aggregate]
net_urn = hrn_to_urn(aggregate, 'authority')
# we may have a peer that knows about this aggregate
for agg in api.aggregates:
- agg_info = api.aggregates[agg].get_aggregates(credential, net_urn)
- if agg_info:
- # send the request to this address
- url = 'http://%s:%s' % (agg_info['addr'], agg_info['port'])
- server = xmlrpcprotocol.get_server(url, api.key_file, api.cert_file)
- break
+ target_aggs = api.aggregates[agg].get_aggregates(credential, net_urn)
+ if not target_aggs or not 'hrn' in target_aggs[0]:
+ continue
+ # send the request to this address
+ url = target_aggs[0]['url']
+ server = xmlrpcprotocol.get_server(url, api.key_file, api.cert_file)
+ # aggregate found, no need to keep looping
+ break
if server is None:
continue
- threads.run(server.get_ticket, credential, xrn, aggregate_rspec, origin_hrn)
+ threads.run(server.GetTicket, xrn, credential, aggregate_rspec, users)
+
results = threads.get_results()
# gather information from each ticket
ticket.sign()
return ticket.save_to_string(save_parents=True)
-def start_slice(api, xrn):
- credential = api.getCredential()
+
+def delete_slice(api, xrn, creds):
+ hrn, type = urn_to_hrn(xrn)
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'deletesliver', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+ server = api.aggregates[aggregate]
+ threads.run(server.DeleteSliver, xrn, credential)
+ threads.get_results()
+ return 1
+
+def start_slice(api, xrn, creds):
+ hrn, type = urn_to_hrn(xrn)
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'startslice', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
threads = ThreadManager()
for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
server = api.aggregates[aggregate]
- threads.run(server.stop_slice, credential, xrn)
+ threads.run(server.Start, xrn, credential)
threads.get_results()
return 1
-def stop_slice(api, xrn):
- credential = api.getCredential()
+def stop_slice(api, xrn, creds):
+ hrn, type = urn_to_hrn(xrn)
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'stopslice', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
threads = ThreadManager()
for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
server = api.aggregates[aggregate]
- threads.run(server.stop_slice, credential, xrn)
+ threads.run(server.Stop, xrn, credential)
threads.get_results()
return 1
def reset_slice(api, xrn):
- # XX not implemented at this interface
+ """
+ Not implemented
+ """
+ return 1
+
+def shutdown(api, xrn, creds):
+ """
+ Not implemented
+ """
return 1
-def get_slices(api):
+def status(api, xrn, creds):
+ """
+ Not implemented
+ """
+ return 1
+
+def get_slices(api, creds):
+
# look in cache first
if api.cache:
slices = api.cache.get('slices')
if slices:
return slices
- # fetch from aggregates
- slices = []
- credential = api.getCredential()
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'listslices', None)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
threads = ThreadManager()
+ # fetch from aggregates
for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
server = api.aggregates[aggregate]
- threads.run(server.get_slices, credential)
+ threads.run(server.ListSlices, credential)
# combime results
results = threads.get_results()
return slices
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
hrn, type = urn_to_hrn(xrn)
rspec = None
- # XX
- # XX TODO: Should try to use delegated credential first
- # XX
- cred = api.getCredential()
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ credential = api.getDelegatedCredential(creds)
+ if not credential:
+ credential = api.getCredential()
threads = ThreadManager()
-
for aggregate in api.aggregates:
- if aggregate not in [api.auth.client_cred.get_gid_caller().get_hrn()]:
- # get the rspec from the aggregate
- server = api.aggregates[aggregate]
- # XX
- # XX TODO: switch to ProtoGeni spec in next release. Give other
- # XX aggregtes a chacne to upgrade to this release before switching
- # XX
- # threads.run(server.ListResources, cred, options)
- threads.run(server.get_resources, cred, xrn, origin_hrn)
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+ # get the rspec from the aggregate
+ server = api.aggregates[aggregate]
+ my_opts = copy(options)
+ my_opts['geni_compressed'] = False
+ threads.run(server.ListResources, credential, my_opts)
+ #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:
for request in root.iterfind("./request"):
rspec.append(deepcopy(request))
- print results
+ sfa_logger().debug('get_rspec: rspec=%r'%rspec)
rspec = etree.tostring(rspec, xml_declaration=True, pretty_print=True)
# cache the result
if api.cache and not xrn:
return rspec
-"""
-Returns the request context required by sfatables. At some point, this
-mechanism should be changed to refer to "contexts", which is the
-information that sfatables is requesting. But for now, we just return
-the basic information needed in a dict.
-"""
-def fetch_context(slice_hrn, user_hrn, contexts):
- #slice_hrn = urn_to_hrn(slice_xrn)[0]
- #user_hrn = urn_to_hrn(user_xrn)[0]
- base_context = {'sfa':{'user':{'hrn':user_hrn}, 'slice':{'hrn':slice_hrn}}}
- return base_context
-
def main():
r = RSpec()
r.parseFile(sys.argv[1])
git://git.onelab.eu / sfa.git / blobdiff