+
+
import datetime
import time
import traceback
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.rspecs.sfa_rspec import sfa_rspec_version
+from sfa.rspecs.pg_rspec import pg_rspec_ad_version, pg_rspec_request_version
+from sfa.rspecs.rspec_parser import parse_rspec
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(),
- })
+ request_rspec_versions = [dict(pg_rspec_request_version), dict(sfa_rspec_version)]
+ ad_rspec_versions = [dict(pg_rspec_ad_version), dict(sfa_rspec_version)]
+ version_more = {'interface':'aggregate',
+ 'testbed':'myplc',
+ 'hrn':xrn.get_hrn(),
+ 'request_rspec_versions': request_rspec_versions,
+ 'ad_rspec_versions': ad_rspec_versions,
+ 'default_ad_rspec': dict(sfa_rspec_version)
+ }
+ return version_core(version_more)
def __get_registry_objects(slice_xrn, creds, users):
"""
slice = {}
+ # get_expiration always returns a normalized datetime - no need to utcparse
extime = Credential(string=creds[0]).get_expiration()
# If the expiration time is > 60 days from now, set the expiration time to 60 days from now
if extime > datetime.datetime.utcnow() + datetime.timedelta(days=60):
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)
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)
+ 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':
# 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)
- 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())
-
+ 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 = [str(host) for host in rspec.get_nodes_with_slivers()]
# 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))
+
+ # get sliver attributes
+ requested_slice_attributes = rspec.get_slice_attributes()
+ removed_slice_attributes = []
+ existing_slice_attributes = []
+ for slice_tag in api.plshell.GetSliceTags(api.plauth, {'slice_id': slice['slice_id']}):
+ attribute_found=False
+ for requested_attribute in requested_slice_attributes:
+ if requested_attribute['name'] == slice_tag['tagname'] and \
+ requested_attribute['value'] == slice_tag['value']:
+ attribute_found=True
+
+ if not attribute_found:
+ removed_slice_attributes.append(slice_tag)
+ else:
+ existing_slice_attributes.append(slice_tag)
+
+ #api.logger.debug("requested slice attributes: %s" % str(requested_slice_attributes))
+ #api.logger.debug("removed slice attributes: %s" % str(removed_slice_attributes))
+ #api.logger.debug("existing slice attributes: %s" % str(existing_slice_attributes))
try:
if peer:
- api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
-
- api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
- api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
+ api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
- network.updateSliceTags()
+ api.plshell.AddSliceToNodes(api.plauth, slice['name'], added_nodes)
+ api.plshell.DeleteSliceFromNodes(api.plauth, slice['name'], deleted_nodes)
+ # remove stale attributes
+ for attribute in removed_slice_attributes:
+ try:
+ api.plshell.DeleteSliceTag(api.plauth, attribute['slice_tag_id'])
+ except Exception, e:
+ api.logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
+ % (name, value, node_id, str(e)))
+
+ # add requested_attributes
+ for attribute in requested_slice_attributes:
+ try:
+ name, value, node_id = attribute['name'], attribute['value'], attribute.get('node_id', None)
+ api.plshell.AddSliceTag(api.plauth, slice['name'], name, value, node_id)
+ except Exception, e:
+ api.logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
+ % (name, value, node_id, str(e)))
finally:
if peer:
api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
slice.peer_id)
- # print network.toxml()
-
- return True
+ return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)
-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'))
+ version_string = "rspec_%s" % (rspec_version.get_version_name())
+
+ #panos adding the info option to the caching key (can be improved)
+ if options.get('info'):
+ version_string = version_string + "_"+options.get('info', 'default')
# 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()
+ #aggregate = Aggregate(api)
+ #panos: passing user-defined options
+ #print "manager options = ",options
+ aggregate = Aggregate(api, options)
- rspec = network.toxml()
+ rspec = aggregate.get_rspec(slice_xrn=xrn, version=rspec_version)
# cache the result
- if api.cache and not xrn:
- api.cache.add('nodes', rspec)
+ if caching and api.cache and not xrn:
+ 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()