import sfa.plc.peers as peers
from sfa.plc.network import *
from sfa.plc.api import SfaAPI
+from sfa.plc.aggregate import Aggregate
from sfa.plc.slices import *
from sfa.util.version import version_core
+from sfa.rspecs.rspec_version import RSpecVersion
from sfa.util.sfatime import utcparse
+from sfa.util.callids import Callids
def GetVersion(api):
xrn=Xrn(api.hrn)
return version_core({'interface':'aggregate',
'testbed':'myplc',
'hrn':xrn.get_hrn(),
+ 'input_rspec' : ['PG 2', 'SFA 1'],
+ 'output_rspec' : ["SFA 1"],
+ 'ad_rspec' : ["PG 2", "SFA 1"],
})
def __get_registry_objects(slice_xrn, creds, users):
hostnames.append(node.hostname)
return hostnames
-def slice_status(api, slice_xrn, creds):
- hrn, type = urn_to_hrn(slice_xrn)
+def SliverStatus(api, slice_xrn, creds, call_id):
+ if Callids().already_handled(call_id): return {}
+
+ (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)
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', 'site_id', 'boot_state', 'last_contact'])
+ # report about the local nodes only
+ nodes = api.plshell.GetNodes(api.plauth, {'node_id':slice['node_ids'],'peer_id':None},
+ ['hostname', 'site_id', 'boot_state', 'last_contact'])
site_ids = [node['site_id'] for node in nodes]
sites = api.plshell.GetSites(api.plauth, site_ids, ['site_id', 'login_base'])
- sites_dict = {}
- for site in sites:
- sites_dict[site['site_id']] = site['login_base']
-
- # XX remove me
- #api.logger.info(slice_xrn)
- #api.logger.info(slice)
- #api.logger.info(nodes)
- # XX remove me
+ sites_dict = dict ( [ (site['site_id'],site['login_base'] ) for site in sites ] )
result = {}
top_level_status = 'unknown'
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:
+ if node['last_contact'] is not None:
res['pl_last_contact'] = datetime.datetime.fromtimestamp(node['last_contact']).ctime()
res['geni_urn'] = hostname_to_urn(api.hrn, sites_dict[node['site_id']], node['hostname'])
if node['boot_state'] == 'boot':
res['geni_status'] = 'ready'
else:
res['geni_status'] = 'failed'
- top_level_staus = failed
+ top_level_staus = 'failed'
res['geni_error'] = ''
# XX remove me
return result
-def create_slice(api, slice_xrn, creds, rspec, users):
+def CreateSliver(api, slice_xrn, creds, rspec_string, users, call_id):
"""
Create the sliver[s] (slice) at this aggregate.
Verify HRN and initialize the slice record in PLC if necessary.
"""
+ if Callids().already_handled(call_id): return ""
reg_objects = __get_registry_objects(slice_xrn, creds, users)
- hrn, type = urn_to_hrn(slice_xrn)
+ (hrn, type) = urn_to_hrn(slice_xrn)
peer = None
+ aggregate = Aggregate(api)
slices = Slices(api)
peer = slices.get_peer(hrn)
sfa_peer = slices.get_sfa_peer(hrn)
registry = api.registries[api.hrn]
credential = api.getCredential()
- site_id, remote_site_id = slices.verify_site(registry, credential, hrn,
- peer, sfa_peer, reg_objects)
+ (site_id, remote_site_id) = slices.verify_site(registry, credential, hrn,
+ peer, sfa_peer, reg_objects)
- slice_record = slices.verify_slice(registry, credential, hrn, site_id,
- remote_site_id, peer, sfa_peer, reg_objects)
+ slice = slices.verify_slice(registry, credential, hrn, site_id,
+ remote_site_id, peer, sfa_peer, reg_objects)
+
+ nodes = api.plshell.GetNodes(api.plauth, slice['node_ids'], ['hostname'])
+ current_slivers = [node['hostname'] for node in nodes]
+ rspec = parse_rspec(rspec_string)
+ requested_slivers = rspec.get_nodes_with_slivers()
- network = Network(api)
-
- slice = network.get_slice(api, hrn)
- slice.peer_id = slice_record['peer_slice_id']
- current = __get_hostnames(slice.get_nodes())
-
- network.addRSpec(rspec, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
- request = __get_hostnames(network.nodesWithSlivers())
-
# remove nodes not in rspec
- deleted_nodes = list(set(current).difference(request))
+ deleted_nodes = list(set(current_slivers).difference(requested_slivers))
# add nodes from rspec
- added_nodes = list(set(request).difference(current))
+ added_nodes = list(set(requested_slivers).difference(current_slivers))
try:
if peer:
- api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
+ api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
- api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
- api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
+ api.plshell.AddSliceToNodes(api.plauth, slice['name'], added_nodes)
+ api.plshell.DeleteSliceFromNodes(api.plauth, slice['slice'], deleted_nodes)
- network.updateSliceTags()
+ # TODO: update slice tags
+ #network.updateSliceTags()
finally:
if peer:
api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
slice.peer_id)
- # print network.toxml()
+ return aggregate.get_rspec(slice_xrn=slice_xrn)
- return True
-
-def renew_slice(api, xrn, creds, expiration_time):
- hrn, type = urn_to_hrn(xrn)
+def RenewSliver(api, xrn, creds, expiration_time, call_id):
+ if Callids().already_handled(call_id): return True
+ (hrn, type) = urn_to_hrn(xrn)
slicename = hrn_to_pl_slicename(hrn)
slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
if not slices:
slice = slices[0]
requested_time = utcparse(expiration_time)
record = {'expires': int(time.mktime(requested_time.timetuple()))}
- api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
- return 1
+ try:
+ api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
+ return True
+ except:
+ return False
def start_slice(api, xrn, creds):
hrn, type = urn_to_hrn(xrn)
# XX not implemented at this interface
return 1
-def delete_slice(api, xrn, creds):
- hrn, type = urn_to_hrn(xrn)
+def DeleteSliver(api, xrn, creds, call_id):
+ if Callids().already_handled(call_id): return ""
+ (hrn, type) = urn_to_hrn(xrn)
slicename = hrn_to_pl_slicename(hrn)
slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
if not slices:
api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
return 1
-def get_slices(api, creds):
+# xxx Thierry : caching at the aggregate level sounds wrong...
+caching=True
+#caching=False
+def ListSlices(api, creds, call_id):
+ if Callids().already_handled(call_id): return []
# look in cache first
- if api.cache:
+ if caching and api.cache:
slices = api.cache.get('slices')
if slices:
return slices
slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns]
# cache the result
- if api.cache:
+ if caching and api.cache:
api.cache.add('slices', slice_urns)
return slice_urns
-def get_rspec(api, creds, options):
+def ListResources(api, creds, options,call_id):
+ if Callids().already_handled(call_id): return ""
# get slice's hrn from options
xrn = options.get('geni_slice_urn', '')
- hrn, type = urn_to_hrn(xrn)
+ (hrn, type) = urn_to_hrn(xrn)
+ # get the rspec's return format from options
+ rspec_version = RSpecVersion(options.get('rspec_version', 'SFA 1'))
+ version_string = "rspec_%s_%s" % (rspec_version.format, rspec_version.version)
+
# look in cache first
- if api.cache and not xrn:
- rspec = api.cache.get('nodes')
+ if caching and api.cache and not xrn:
+ rspec = api.cache.get(version_string)
if rspec:
+ api.logger.info("aggregate.ListResources: returning cached value for hrn %s"%hrn)
return rspec
- network = Network(api)
- if (hrn):
- if network.get_slice(api, hrn):
- network.addSlice()
-
- rspec = network.toxml()
+ aggregate = Aggregate(api)
+ if xrn:
+ # get this rspec for the specified slice
+ rspec = aggregate.get_rspec(slice_xrn=hrn, version=rspec_version)
+ else:
+ # generate rspec in both pg and sfa formats
+ rspec = aggregate.get_rspec(version=rspec_version)
# cache the result
- if api.cache and not xrn:
- api.cache.add('nodes', rspec)
+ if caching and api.cache:
+ api.cache.add(version_string, rspec)
return rspec
credential = api.getCredential()
records = registry.Resolve(xrn, credential)
- # similar to create_slice, we must verify that the required records exist
+ # similar to CreateSliver, we must verify that the required records exist
# at this aggregate before we can issue a ticket
site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn,
peer, sfa_peer, reg_objects)
def main():
api = SfaAPI()
"""
- rspec = get_rspec(api, "plc.princeton.sapan", None)
- #rspec = get_rspec(api, "plc.princeton.coblitz", None)
- #rspec = get_rspec(api, "plc.pl.sirius", None)
+ rspec = ListResources(api, "plc.princeton.sapan", None, 'pl_test_sapan')
+ #rspec = ListResources(api, "plc.princeton.coblitz", None, 'pl_test_coblitz')
+ #rspec = ListResources(api, "plc.pl.sirius", None, 'pl_test_sirius')
print rspec
"""
f = open(sys.argv[1])
xml = f.read()
f.close()
- create_slice(api, "plc.princeton.sapan", xml)
+ CreateSliver(api, "plc.princeton.sapan", xml, 'CreateSliver_sapan')
if __name__ == "__main__":
main()
git://git.onelab.eu / sfa.git / blobdiff