def merge(self, in_rspec):
"""
Merge contents for specified rspec with current rspec
"""
if not in_rspec:
return
from sfa.rspecs.rspec import RSpec
if isinstance(in_rspec, RSpec):
rspec = in_rspec
else:
rspec = RSpec(in_rspec)
if rspec.version.type.lower() == 'protogeni':
from sfa.rspecs.rspec_converter import RSpecConverter
in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
rspec = RSpec(in_rspec)
# just copy over all networks
current_networks = self.get_networks()
networks = rspec.version.get_networks()
for network in networks:
current_network = network.get('name')
if current_network and current_network not in current_networks:
self.xml.append(network.element)
current_networks.append(current_network)
def to_sfa_rspec(rspec, content_type=None):
if not isinstance(rspec, RSpec):
pg_rspec = RSpec(rspec)
else:
pg_rspec = rspec
version_manager = VersionManager()
sfa_version = version_manager._get_version('sfa', '1')
sfa_rspec = RSpec(version=sfa_version)
#nodes = pg_rspec.version.get_nodes()
#sfa_rspec.version.add_nodes(nodes())
#sfa_rspec.version.add_links(pg_rspec.version.get_links())
#return sfa_rspec.toxml()
# get network
networks = pg_rspec.version.get_networks()
network_hrn = networks[0]["name"]
network_element = sfa_rspec.xml.add_element('network',
name=network_hrn,
id=network_hrn)
# get nodes
pg_nodes_elements = pg_rspec.version.get_nodes()
nodes_with_slivers = pg_rspec.version.get_nodes_with_slivers()
i = 1
for pg_node in pg_nodes_elements:
attribs = dict(pg_node.items())
attribs['id'] = 'n' + str(i)
node_element = network_element.add_element('node')
for attrib in attribs:
if type(attribs[attrib]) == str:
node_element.set(attrib, attribs[attrib])
urn = pg_node["component_id"]
if urn:
if type(urn) == list:
# legacy code, not sure if urn is ever a list...
urn = urn[0]
hostname = Xrn.urn_split(urn)[-1]
hostname_element = node_element.add_element('hostname')
hostname_element.set_text(hostname)
if hostname in nodes_with_slivers:
node_element.add_element('sliver')
for hardware_type in pg_node["hardware_types"]:
if "name" in hardware_type:
node_element.add_element("hardware_type",
name=hardware_type["name"])
# just copy over remaining child elements
#for child in pg_node_element.getchildren():
# node_element.append(transform(child).getroot())
i = i + 1
return sfa_rspec.toxml()
def allocate(self, urn, rspec_string, expiration, options={}):
xrn = Xrn(urn)
aggregate = OSAggregate(self)
# assume first user is the caller and use their context
# for the ec2/euca api connection. Also, use the first users
# key as the project key.
key_name = None
if len(users) > 1:
key_name = aggregate.create_instance_key(xrn.get_hrn(), users[0])
# collect public keys
users = options.get('geni_users', [])
pubkeys = []
for user in users:
pubkeys.extend(user['keys'])
rspec = RSpec(rspec_string)
instance_name = hrn_to_os_slicename(slice_hrn)
tenant_name = OSXrn(xrn=slice_hrn, type='slice').get_tenant_name()
slivers = aggregate.run_instances(instance_name, tenant_name, \
rspec_string, key_name, pubkeys)
# update all sliver allocation states setting then to geni_allocated
sliver_ids = [sliver.id for sliver in slivers]
dbsession = self.api.dbsession()
SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned',
dbsession)
return aggregate.describe(urns=[urn], version=rspec.version)
def parse_manifest(cls, rspec, rspec_version = 'GENI 3', slice_urn = None, start_time = None):
rspec = RSpec(rspec, version=rspec_version)
_resources = cls._get_resources(rspec)
_nodes = cls._get_nodes(rspec)
# XXX Not supported yet
#_channels = cls._get_channels(rspec)
#_links = cls._get_links(rspec)
_leases = cls._get_leases(rspec)
# XXX Until WiLab supports Leases
end_time = cls._get_expiration(rspec)
if start_time is None:
start_time = 1388530800
resources = list()
resources.extend(cls._process_resources(_resources))
resources.extend(cls._process_nodes(_nodes))
#resources.extend(cls._process_channels(_channels))
#resources.extend(cls._process_links(_links))
Log.warning("XXX Until WiLab supports Leases")
# XXX Generate Leases based on the Resources instead of Leases
leases = cls._process_leases(resources, slice_urn, start_time, end_time)
return {'resource': resources, 'lease': leases }
def describe(self, urns, version=None, options={}):
# update nova connection
tenant_name = OSXrn(xrn=urns[0], type='slice').get_tenant_name()
self.driver.shell.nova_manager.connect(tenant=tenant_name)
instances = self.get_instances(urns)
# lookup the sliver allocations
sliver_ids = [sliver['sliver_id'] for sliver in slivers]
constraint = SliverAllocation.sliver_id.in_(sliver_ids)
sliver_allocations = self.driver.api.dbsession().query(SliverAllocation).filter(constraint)
sliver_allocation_dict = {}
for sliver_allocation in sliver_allocations:
sliver_allocation_dict[sliver_allocation.sliver_id] = sliver_allocation
geni_slivers = []
rspec_nodes = []
for instance in instances:
rspec_nodes.append(self.instance_to_rspec_node(instance))
geni_sliver = self.instance_to_geni_sliver(instance, sliver_sllocation_dict)
geni_slivers.append(geni_sliver)
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
rspec = RSpec(version=rspec_version, user_options=options)
rspec.xml.set('expires', datetime_to_string(utcparse(time.time())))
rspec.version.add_nodes(rspec_nodes)
result = {'geni_urn': Xrn(urns[0]).get_urn(),
'geni_rspec': rspec.toxml(),
'geni_slivers': geni_slivers}
return result
def allocate(self, urn, rspec_string, expiration, options={}):
xrn = Xrn(urn)
aggregate = DummyAggregate(self)
slices = DummySlices(self)
slice_record = None
users = options.get('geni_users', [])
if users:
slice_record = users[0].get('slice_record', {})
# parse rspec
rspec = RSpec(rspec_string)
requested_attributes = rspec.version.get_slice_attributes()
# ensure slice record exists
slice = slices.verify_slice(xrn.hrn,
slice_record,
expiration=expiration,
options=options)
# ensure person records exists
#persons = slices.verify_persons(xrn.hrn, slice, users, peer, sfa_peer, options=options)
# add/remove slice from nodes
request_nodes = rspec.version.get_nodes_with_slivers()
nodes = slices.verify_slice_nodes(urn, slice, request_nodes)
return aggregate.describe([xrn.get_urn()], version=rspec.version)
def merge(self, in_rspec):
"""
Merge contents for specified rspec with current rspec
"""
from sfa.rspecs.rspec import RSpec
# just copy over all the child elements under the root element
if isinstance(in_rspec, basestring):
in_rspec = RSpec(in_rspec)
nodes = in_rspec.version.get_nodes()
# protogeni rspecs need to advertise the availabel sliver types
main_nodes = []
for node in nodes:
if not node['component_name']:
# this node element is part of a lease
continue
if not node.has_key('sliver') or not node['sliver']:
node['sliver'] = {'name': 'plab-vserver'}
main_nodes.append(node)
self.add_nodes(main_nodes)
self.add_links(in_rspec.version.get_links())
# Leases
leases = in_rspec.version.get_leases()
self.add_leases(leases)
def list_resources(self, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type, version.version, 'ad')
rspec = RSpec(version=version, user_options=options)
nodes = self.get_aggregate_nodes()
rspec.version.add_nodes(nodes)
return rspec.toxml()
def Provision(self, api, xrn, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
version_manager = VersionManager()
def _Provision(aggregate, server, xrn, credential, options):
tStart = time.time()
try:
# Need to call GetVersion at an aggregate to determine the supported
# rspec type/format beofre calling CreateSliver at an Aggregate.
server_version = api.get_cached_server_version(server)
result = server.Provision(xrn, credential, options)
return {"aggregate": aggregate, "result": result, "elapsed": time.time()-tStart, "status": "success"}
except:
logger.log_exc('Something wrong in _Allocate with URL %s'%server.url)
return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()}
# attempt to use delegated credential first
cred = api.getDelegatedCredential(creds)
if not cred:
cred = api.getCredential()
# get the callers hrn
valid_cred = api.auth.checkCredentials(creds, 'createsliver', xrn)[0]
caller_hrn = Credential(cred=valid_cred).get_gid_caller().get_hrn()
multiclient = MultiClient()
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
interface = api.aggregates[aggregate]
server = api.server_proxy(interface, cred)
# Just send entire RSpec to each aggregate
multiclient.run(_Provision, aggregate, server, xrn, [cred], options)
results = multiclient.get_results()
manifest_version = version_manager._get_version('GENI', '3', 'manifest')
result_rspec = RSpec(version=manifest_version)
geni_slivers = []
geni_urn = None
for result in results:
self.add_slicemgr_stat(result_rspec, "Provision", result["aggregate"], result["elapsed"],
result["status"], result.get("exc_info",None))
if result["status"]=="success":
try:
res = result['result']['value']
geni_urn = res['geni_urn']
result_rspec.version.merge(ReturnValue.get_value(res['geni_rspec']))
geni_slivers.extend(res['geni_slivers'])
except:
api.logger.log_exc("SM.Provision: Failed to merge aggregate rspec")
return {
'geni_urn': geni_urn,
'geni_rspec': result_rspec.toxml(),
'geni_slivers': geni_slivers
}
def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
#logger.debug('Reserving an instance: image: %s, flavor: ' \
# '%s, key: %s, name: %s' % \
# (image_id, flavor_id, key_name, slicename))
# make sure a tenant exists for this slice
tenant = self.create_tenant(tenant_name)
# add the sfa admin user to this tenant and update our nova client connection
# to use these credentials for the rest of this session. This emsures that the instances
# we create will be assigned to the correct tenant.
sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
user_role = self.driver.shell.auth_manager.roles.find(name='user')
admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
self.driver.shell.nova_manager.connect(tenant=tenant.name)
authorized_keys = "\n".join(pubkeys)
files = {'/root/.ssh/authorized_keys': authorized_keys}
rspec = RSpec(rspec)
requested_instances = defaultdict(list)
# iterate over clouds/zones/nodes
slivers = []
for node in rspec.version.get_nodes_with_slivers():
instances = node.get('slivers', [])
if not instances:
continue
for instance in instances:
try:
metadata = {}
flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
image = instance.get('disk_image')
if image and isinstance(image, list):
image = image[0]
else:
raise InvalidRSpec("Must specify a disk_image for each VM")
image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
fw_rules = instance.get('fw_rules', [])
group_name = self.create_security_group(instance_name, fw_rules)
metadata['security_groups'] = group_name
if node.get('component_id'):
metadata['component_id'] = node['component_id']
if node.get('client_id'):
metadata['client_id'] = node['client_id']
server = self.driver.shell.nova_manager.servers.create(
flavor=flavor_id,
image=image_id,
key_name = key_name,
security_groups = [group_name],
files=files,
meta=metadata,
name=instance_name)
slivers.append(server)
except Exception, err:
logger.log_exc(err)
def call(self, xrn, creds, rspec, options):
xrn = Xrn(xrn, type='slice')
self.api.logger.info("interface: %s\ttarget-hrn: %s\tmethod-name: %s" %
(self.api.interface, xrn.get_hrn(), self.name))
(speaking_for, _) = urn_to_hrn(options.get('geni_speaking_for'))
# Find the valid credentials
valid_creds = self.api.auth.checkCredentials(
creds,
'createsliver',
xrn.get_hrn(),
speaking_for_hrn=speaking_for)
# use the expiration from the first valid credential to determine when
# the slivers should expire.
expiration = datetime_to_string(
Credential(cred=valid_creds[0]).expiration)
# make sure request is not empty
slivers = RSpec(rspec).version.get_nodes_with_slivers()
if not slivers:
raise InvalidRSpec(
"Missing <sliver_type> or <sliver> element. Request rspec must explicitly allocate slivers"
)
# flter rspec through sfatables
if self.api.interface in ['aggregate']:
chain_name = 'INCOMING'
elif self.api.interface in ['slicemgr']:
chain_name = 'FORWARD-INCOMING'
self.api.logger.debug("Allocate: sfatables on chain %s" % chain_name)
origin_hrn = Credential(cred=valid_creds[0]).get_gid_caller().get_hrn()
self.api.logger.info(
"interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" %
(self.api.interface, origin_hrn, xrn, self.name))
rspec = run_sfatables(chain_name, xrn.get_hrn(), origin_hrn, rspec)
slivers = RSpec(rspec).version.get_nodes_with_slivers()
if not slivers:
raise SfatablesRejected(slice_xrn)
result = self.api.manager.Allocate(self.api, xrn.get_urn(), creds,
rspec, expiration, options)
return result
def to_sfa_rspec(in_rspec, content_type=None):
rspec = RSpec(in_rspec)
version_manager = VersionManager()
sfa_version = version_manager._get_version('sfa', '1')
pg_version = version_manager._get_version('protogeni', '2')
if rspec.version.type.lower() == sfa_version.type.lower():
return in_rspec
elif rspec.version.type.lower() == pg_version.type.lower():
return PGRSpecConverter.to_sfa_rspec(in_rspec, content_type)
else:
return in_rspec
def list_resources(self, version=None, options={}):
"""
Returns an advertisement Rspec of available resources at this
aggregate. This Rspec contains a resource listing along with their
description, providing sufficient information for clients to be able to
select among available resources.
:param options: various options. The valid options are: {boolean
geni_compressed <optional>; struct geni_rspec_version { string type;
#case insensitive , string version; # case insensitive}} . The only
mandatory options if options is specified is geni_rspec_version.
:type options: dictionary
:returns: On success, the value field of the return struct will contain
a geni.rspec advertisment RSpec
:rtype: Rspec advertisement in xml.
.. seealso:: http://groups.geni.net/geni/wiki/GAPI_AM_API_V3/CommonConcepts#RSpecdatatype
.. seealso:: http://groups.geni.net/geni/wiki/GAPI_AM_API_V3#ListResources
"""
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type,
version.version, 'ad')
rspec = RSpec(version=rspec_version, user_options=options)
# variable ldap_username to be compliant with get_all_leases
# prototype. Now unused in geni-v3 since we are getting all the leases
# here
ldap_username = None
if not options.get(
'list_leases') or options['list_leases'] != 'leases':
# get nodes
nodes_dict = self.get_nodes(options)
# no interfaces on iotlab nodes
# convert nodes to rspec nodes
rspec_nodes = []
for node_id in nodes_dict:
node = nodes_dict[node_id]
rspec_node = self.node_to_rspec_node(node)
rspec_nodes.append(rspec_node)
rspec.version.add_nodes(rspec_nodes)
# add links
# links = self.get_links(sites, nodes_dict, interfaces)
# rspec.version.add_links(links)
if not options.get('list_leases') or options.get('list_leases') \
and options['list_leases'] != 'resources':
leases = self.get_all_leases(ldap_username)
rspec.version.add_leases(leases)
return rspec.toxml()
def describe(self, urns, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type,
version.version,
'manifest')
rspec = RSpec(version=rspec_version, user_options=options)
# get slivers
geni_slivers = []
slivers = self.get_slivers(urns, options)
if slivers:
rspec_expires = datetime_to_string(utcparse(slivers[0]['expires']))
else:
rspec_expires = datetime_to_string(utcparse(time.time()))
rspec.xml.set('expires', rspec_expires)
# lookup the sliver allocations
geni_urn = urns[0]
sliver_ids = [sliver['sliver_id'] for sliver in slivers]
constraint = SliverAllocation.sliver_id.in_(sliver_ids)
sliver_allocations = self.driver.api.dbsession().query(
SliverAllocation).filter(constraint)
sliver_allocation_dict = {}
for sliver_allocation in sliver_allocations:
geni_urn = sliver_allocation.slice_urn
sliver_allocation_dict[
sliver_allocation.sliver_id] = sliver_allocation
# add slivers
nodes_dict = {}
for sliver in slivers:
nodes_dict[sliver['node_id']] = sliver
rspec_nodes = []
for sliver in slivers:
rspec_node = self.sliver_to_rspec_node(sliver,
sliver_allocation_dict)
rspec_nodes.append(rspec_node)
geni_sliver = self.rspec_node_to_geni_sliver(
rspec_node, sliver_allocation_dict)
geni_slivers.append(geni_sliver)
rspec.version.add_nodes(rspec_nodes)
return {
'geni_urn': geni_urn,
'geni_rspec': rspec.toxml(),
'geni_slivers': geni_slivers
}
def parse(cls, rspec, rspec_version = 'GENI 3', slice_urn = None):
rspec = RSpec(rspec, version=rspec_version)
_resources = cls._get_resources(rspec)
_nodes = cls._get_nodes(rspec)
_channels = cls._get_channels(rspec)
_links = cls._get_links(rspec)
_leases = cls._get_leases(rspec)
resources = list()
resources.extend(cls._process_resources(_resources))
resources.extend(cls._process_nodes(_nodes))
resources.extend(cls._process_channels(_channels))
resources.extend(cls._process_links(_links))
leases = cls._process_leases(_leases)
return {'resource': resources, 'lease': leases }
def create_sliver(self, slice_urn, slice_hrn, creds, rspec_string, users,
options):
aggregate = NitosAggregate(self)
slices = NitosSlices(self)
sfa_peer = slices.get_sfa_peer(slice_hrn)
slice_record = None
if users:
slice_record = users[0].get('slice_record', {})
# parse rspec
rspec = RSpec(rspec_string, version='NITOS 1')
# ensure slice record exists
slice = slices.verify_slice(slice_hrn,
slice_record,
sfa_peer,
options=options)
# ensure user records exists
users = slices.verify_users(slice_hrn,
slice,
users,
sfa_peer,
options=options)
# add/remove leases (nodes and channels)
# a lease in Nitos RSpec case is a reservation of nodes and channels grouped by (slice,timeslot)
rspec_requested_leases = rspec.version.get_leases()
rspec_requested_nodes = []
rspec_requested_channels = []
for lease in rspec_requested_leases:
if lease['type'] == 'node':
lease.pop('type', None)
rspec_requested_nodes.append(lease)
else:
lease.pop('type', None)
rspec_requested_channels.append(lease)
nodes = slices.verify_slice_leases_nodes(slice, rspec_requested_nodes)
channels = slices.verify_slice_leases_channels(
slice, rspec_requested_channels)
return aggregate.get_rspec(slice_xrn=slice_urn, version=rspec.version)
def list_resources(self, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type,
version.version, 'ad')
rspec = RSpec(version=rspec_version, user_options=options)
if not options.get(
'list_leases') or options['list_leases'] != 'leases':
# get nodes
nodes = self.get_nodes(options)
site_ids = []
interface_ids = []
tag_ids = []
nodes_dict = {}
for node in nodes:
site_ids.append(node['site_id'])
interface_ids.extend(node['interface_ids'])
tag_ids.extend(node['node_tag_ids'])
nodes_dict[node['node_id']] = node
sites = self.get_sites({'site_id': site_ids})
interfaces = self.get_interfaces({'interface_id': interface_ids})
node_tags = self.get_node_tags({'node_tag_id': tag_ids})
pl_initscripts = self.get_pl_initscripts()
# convert nodes to rspec nodes
rspec_nodes = []
for node in nodes:
rspec_node = self.node_to_rspec_node(node, sites, interfaces,
node_tags, pl_initscripts)
rspec_nodes.append(rspec_node)
rspec.version.add_nodes(rspec_nodes)
# add links
links = self.get_links(sites, nodes_dict, interfaces)
rspec.version.add_links(links)
if not options.get('list_leases') or options.get(
'list_leases') and options['list_leases'] != 'resources':
leases = self.get_leases()
rspec.version.add_leases(leases)
return rspec.toxml()
def parse_sfa_rspec(self, rspec_string):
"""
Parse the RSpec XML as a string.
"""
# rspec_type and rspec_version should be set in the config of the platform,
# we use GENIv3 as default one if not
if self.config:
if 'rspec_type' and 'rspec_version' in self.config:
rspec_version = self.config['rspec_type'] + ' ' + self.config[
'rspec_version']
else:
rspec_version = 'GENI 3'
self._log.debug(rspec_version)
rspec = RSpec(rspec_string, version=rspec_version)
try:
nodes = rspec.version.get_nodes()
except Exception, e:
self._log.warn("Could not retrieve nodes in RSpec: %s" % e)
def get_rspec(self, slice_xrn=None, version=None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
if not slice_xrn:
rspec_version = version_manager._get_version(
version.type, version.version, 'ad')
else:
rspec_version = version_manager._get_version(
version.type, version.version, 'manifest')
slice, slivers = self.get_slice_and_slivers(slice_xrn)
rspec = RSpec(version=rspec_version, user_options=options)
if slice and 'expires' in slice:
rspec.xml.set('expires',
datetime_to_string(utcparse(slice['expires'])))
if not options.get('list_leases') or options.get(
'list_leases') and options['list_leases'] != 'leases':
nodes = self.get_nodes(slice_xrn, slice, slivers, options)
rspec.version.add_nodes(nodes)
# add sliver defaults
default_sliver = slivers.get(None, [])
if default_sliver:
default_sliver_attribs = default_sliver.get('tags', [])
for attrib in default_sliver_attribs:
logger.info(attrib)
rspec.version.add_default_sliver_attribute(
attrib['tagname'], attrib['value'])
# add wifi channels
channels = self.get_channels(slice, options)
rspec.version.add_channels(channels)
if not options.get('list_leases') or options.get(
'list_leases') and options['list_leases'] != 'resources':
leases_channels = self.get_leases_and_channels(slice, slice_xrn)
rspec.version.add_leases(leases_channels)
return rspec.toxml()
def Describe(self, api, creds, xrns, options):
def _Describe(server, xrn, creds, options):
return server.Describe(xrn, creds, options)
call_id = options.get('call_id')
if Callids().already_handled(call_id): return {}
# attempt to use delegated credential first
cred = api.getDelegatedCredential(creds)
if not cred:
cred = api.getCredential()
multiclient = MultiClient()
for aggregate in api.aggregates:
interface = api.aggregates[aggregate]
server = api.server_proxy(interface, cred)
multiclient.run (_Describe, server, xrns, [cred], options)
results = [ReturnValue.get_value(result) for result in multiclient.get_results()]
# get rid of any void result - e.g. when call_id was hit, where by convention we return {}
results = [ result for result in results if result and result.get('geni_urn')]
# do not try to combine if there's no result
if not results : return {}
# otherwise let's merge stuff
version_manager = VersionManager()
manifest_version = version_manager._get_version('GENI', '3', 'manifest')
result_rspec = RSpec(version=manifest_version)
geni_slivers = []
geni_urn = None
for result in results:
try:
geni_urn = result['geni_urn']
result_rspec.version.merge(ReturnValue.get_value(result['geni_rspec']))
geni_slivers.extend(result['geni_slivers'])
except:
api.logger.log_exc("SM.Provision: Failed to merge aggregate rspec")
return {
'geni_urn': geni_urn,
'geni_rspec': result_rspec.toxml(),
'geni_slivers': geni_slivers
}
def list_resources(self, version = None, options={}):
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type, version.version, 'ad')
rspec = RSpec(version=rspec_version, user_options=options)
# get nodes
nodes = self.get_nodes(options)
nodes_dict = {}
for node in nodes:
nodes_dict[node['node_id']] = node
# convert nodes to rspec nodes
rspec_nodes = []
for node in nodes:
rspec_node = self.node_to_rspec_node(node)
rspec_nodes.append(rspec_node)
rspec.version.add_nodes(rspec_nodes)
return rspec.toxml()
def __init__(self, *args):
"""
SFAv1Parser(rspec)
or
SFAv1Parser(resources, leases)
"""
# SFAv1Parser(rspec)
#
if len(args) == 1:
rspec = args[0]
self.rspec = RSpec(rspec).version
# SFAv1Parser(resources, leases)
#
elif len(args) == 2:
resources = args[0]
leases = args[1]
self.resources_by_network = {}
for r in resources:
val = r['urn'] if isinstance(r, dict) else r
auth = Xrn(val).authority
if not auth:
raise Exception, "No authority in specified URN %s" % val
network = auth[0]
if not network in self.resources_by_network:
self.resources_by_network[network] = []
self.resources_by_network[network].append(val)
self.leases_by_network = {}
for l in leases:
val = l['urn'] if isinstance(l, dict) else l[0]
auth = Xrn(val).authority
if not auth: raise Exception, "No authority in specified URN"
network = auth[0]
if not network in self.leases_by_network:
self.leases_by_network[network] = []
self.leases_by_network[network].append(l)
def merge(self, in_rspec):
"""
Merge contents for specified rspec with current rspec
"""
if not in_rspec:
return None
from sfa.rspecs.rspec import RSpec
# just copy over all the child elements under the root element
if isinstance(in_rspec, basestring):
in_rspec = RSpec(in_rspec)
if str(in_rspec.version) == 'OcfOf 1':
networks = in_rspec.xml.xpath('//rspec/network')
for network in networks:
self.xml.xpath('//rspec')[0].append(network)
else:
nodes = in_rspec.version.get_nodes()
for node in nodes:
if not node.has_key('sliver') or not node['sliver']:
node['sliver'] = {'name': 'plab-vserver'}
self.add_nodes(nodes)
self.add_links(in_rspec.version.get_links())
def get_rspec(self,
slice_xrn=None,
login=None,
version=None,
options=None):
"""
Returns xml rspec:
- a full advertisement rspec with the testbed resources if slice_xrn is
not specified.If a lease option is given, also returns the leases
scheduled on the testbed.
- a manifest Rspec with the leases and nodes in slice's leases if
slice_xrn is not None.
:param slice_xrn: srn of the slice
:type slice_xrn: string
:param login: user'uid (ldap login) on cortexlab
:type login: string
:param version: can be set to sfa or cortexlab
:type version: RSpecVersion
:param options: used to specify if the leases should also be included in
the returned rspec.
:type options: dict
:returns: Xml Rspec.
:rtype: XML
"""
ldap_username = None
rspec = None
version_manager = VersionManager()
version = version_manager.get_version(version)
logger.debug("CortexlabAggregate \t get_rspec ***version %s \
version.type %s version.version %s options %s \r\n" %
(version, version.type, version.version, options))
if slice_xrn is None:
rspec_version = version_manager._get_version(
version.type, version.version, 'ad')
else:
rspec_version = version_manager._get_version(
version.type, version.version, 'manifest')
slices, slivers = self.get_slice_and_slivers(slice_xrn, login)
if slice_xrn and slices is not None:
#Get user associated with this slice
#for one_slice in slices :
ldap_username = self.find_ldap_username_from_slice(slices[0])
# ldap_username = slices[0]['reg_researchers'][0].__dict__['hrn']
# # ldap_username = slices[0]['user']
# tmp = ldap_username.split('.')
# ldap_username = tmp[1]
logger.debug("CortexlabAggregate \tget_rspec **** \
LDAP USERNAME %s \r\n" \
% (ldap_username))
#at this point sliver may be empty if no cortexlab job
#is running for this user/slice.
rspec = RSpec(version=rspec_version, user_options=options)
logger.debug("\r\n \r\n CortexlabAggregate \tget_rspec *** \
slice_xrn %s slices %s\r\n \r\n" % (slice_xrn, slices))
if options is not None:
lease_option = options['list_leases']
else:
#If no options are specified, at least print the resources
lease_option = 'all'
#if slice_xrn :
#lease_option = 'all'
if lease_option in ['all', 'resources']:
#if not options.get('list_leases') or options.get('list_leases')
#and options['list_leases'] != 'leases':
nodes = self.get_nodes()
logger.debug("\r\n")
logger.debug("CortexlabAggregate \t lease_option %s \
get rspec ******* nodes %s" % (lease_option, nodes))
sites_set = set([node['location']['site'] for node in nodes])
#In case creating a job, slice_xrn is not set to None
rspec.version.add_nodes(nodes)
if slice_xrn and slices is not None:
# #Get user associated with this slice
# #for one_slice in slices :
# ldap_username = slices[0]['reg_researchers']
# # ldap_username = slices[0]['user']
# tmp = ldap_username.split('.')
# ldap_username = tmp[1]
# # ldap_username = tmp[1].split('_')[0]
logger.debug("CortexlabAggregate \tget_rspec **** \
version type %s ldap_ user %s \r\n" \
% (version.type, ldap_username))
#TODO : Change the version of Rspec here in case of pbm -SA 09/01/14
if version.type in ["Cortexlab", "Iotlab"]:
rspec.version.add_connection_information(
ldap_username, sites_set)
default_sliver = slivers.get('default_sliver', [])
if default_sliver and len(nodes) is not 0:
#default_sliver_attribs = default_sliver.get('tags', [])
logger.debug("CortexlabAggregate \tget_rspec **** \
default_sliver%s \r\n" % (default_sliver))
for attrib in default_sliver:
rspec.version.add_default_sliver_attribute(
attrib, default_sliver[attrib])
if lease_option in ['all', 'leases']:
leases = self.get_all_leases(ldap_username)
rspec.version.add_leases(leases)
logger.debug("CortexlabAggregate \tget_rspec **** \
FINAL RSPEC %s \r\n" % (rspec.toxml()))
return rspec.toxml()
template = '<rspec type="advertisement" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/server_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd"/>'
#template = '<rspec type="advertisement" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 /opt/ofelia/vt_manager/src/python/vt_manager/communication/sfa/tests/server_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd"/>'
class OcfVtRequest(OcfVt):
enabled = True
content_type = 'request'
schema = 'https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/vm_schema.xsd' #'/opt/ofelia/vt_manager/src/python/vt_manager/communication/sfa/tests/vm_schema.xsd'#'http://www.protogeni.net/resources/rspec/2/ad.xsd'
template = '<rspec type="request" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/vm_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd "/>'
#template = '<rspec type="request" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 /opt/ofelia/vt_manager/src/python/vt_manager/communication/sfa/tests/vm_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd "/>'
#schema = 'http://www.protogeni.net/resources/rspec/2/request.xsd'
#template = '<rspec type="request" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/request.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
class OcfVtManifest(OcfVt):
enabled = True
content_type = 'manifest'
schema = 'https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/server_schema.xsd' #'/opt/ofelia/vt_manager/src/python/vt_manager/communication/sfa/tests/server_schema.xsd'#'http://www.protogeni.net/resources/rspec/2/manifest.xsd'
template = '<rspec type="manifest" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/server_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd"/>'
#template = '<rspec type="manifest" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 /opt/ofelia/vt_manager/src/python/vt_manager/communication/sfa/tests/server_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd"/>'
# template = '<rspec type="manifest" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 /opt/ofelia/vt_manager/src/python/vt_manager/communication/sfa/tests/server_schema.xsd http://www.protogeni.net/resources/rspec/2/ad.xsd"/>'
if __name__ == '__main__':
from vt_manager.communication.sfa.rspecs.rspec import RSpec
from vt_manager.communication.sfa.rspecs.rspec_elements import *
r = RSpec('/tmp/ocf.rspec')
r.load_rspec_elements(OcfVt.elements)
print r.get(RSpecElements.NODE)
def Allocate(self, api, xrn, creds, rspec_str, expiration, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return ""
version_manager = VersionManager()
def _Allocate(aggregate, server, xrn, credential, rspec, options):
tStart = time.time()
try:
# Need to call GetVersion at an aggregate to determine the supported
# rspec type/format beofre calling CreateSliver at an Aggregate.
#server_version = api.get_cached_server_version(server)
#if 'sfa' not in server_version and 'geni_api' in server_version:
# sfa aggregtes support both sfa and pg rspecs, no need to convert
# if aggregate supports sfa rspecs. otherwise convert to pg rspec
#rspec = RSpec(RSpecConverter.to_pg_rspec(rspec, 'request'))
#filter = {'component_manager_id': server_version['urn']}
#rspec.filter(filter)
#rspec = rspec.toxml()
result = server.Allocate(xrn, credential, rspec, options)
return {"aggregate": aggregate, "result": result, "elapsed": time.time()-tStart, "status": "success"}
except:
logger.log_exc('Something wrong in _Allocate with URL %s'%server.url)
return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()}
# Validate the RSpec against PlanetLab's schema --disabled for now
# The schema used here needs to aggregate the PL and VINI schemas
# schema = "/var/www/html/schemas/pl.rng"
rspec = RSpec(rspec_str)
# schema = None
# if schema:
# rspec.validate(schema)
# if there is a <statistics> section, the aggregates don't care about it,
# so delete it.
self.drop_slicemgr_stats(rspec)
# attempt to use delegated credential first
cred = api.getDelegatedCredential(creds)
if not cred:
cred = api.getCredential()
# get the callers hrn
hrn, type = urn_to_hrn(xrn)
valid_cred = api.auth.checkCredentials(creds, 'createsliver', hrn)[0]
caller_hrn = Credential(cred=valid_cred).get_gid_caller().get_hrn()
multiclient = MultiClient()
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
interface = api.aggregates[aggregate]
server = api.server_proxy(interface, cred)
# Just send entire RSpec to each aggregate
multiclient.run(_Allocate, aggregate, server, xrn, [cred], rspec.toxml(), options)
results = multiclient.get_results()
manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest')
result_rspec = RSpec(version=manifest_version)
geni_urn = None
geni_slivers = []
for result in results:
self.add_slicemgr_stat(result_rspec, "Allocate", result["aggregate"], result["elapsed"],
result["status"], result.get("exc_info",None))
if result["status"]=="success":
try:
res = result['result']['value']
geni_urn = res['geni_urn']
result_rspec.version.merge(ReturnValue.get_value(res['geni_rspec']))
geni_slivers.extend(res['geni_slivers'])
except:
api.logger.log_exc("SM.Allocate: Failed to merge aggregate rspec")
return {
'geni_urn': geni_urn,
'geni_rspec': result_rspec.toxml(),
'geni_slivers': geni_slivers
}
if caller_hrn == aggregate and aggregate != api.hrn:
continue
# get the rspec from the aggregate
interface = api.aggregates[aggregate]
server = api.server_proxy(interface, cred)
multiclient.run(_ListResources, aggregate, server, [cred], options)
results = multiclient.get_results()
rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
if xrn:
result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'manifest')
else:
result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'ad')
rspec = RSpec(version=result_version)
for result in results:
self.add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"],
result["status"], result.get("exc_info",None))
if result["status"]=="success":
res = result['result']['value']
try:
rspec.version.merge(ReturnValue.get_value(res))
except:
api.logger.log_exc("SM.ListResources: Failed to merge aggregate rspec")
# cache the result
if self.cache and not xrn:
api.logger.debug("SliceManager.ListResources caches advertisement")
self.cache.add(version_string, rspec.toxml())
def describe(self, urns, version=None, options={}):
"""
Retrieve a manifest RSpec describing the resources contained by the
named entities, e.g. a single slice or a set of the slivers in a slice.
This listing and description should be sufficiently descriptive to allow
experimenters to use the resources.
:param urns: If a slice urn is supplied and there are no slivers in the
given slice at this aggregate, then geni_rspec shall be a valid
manifest RSpec, containing no node elements - no resources.
:type urns: list or strings
:param options: various options. the valid options are: {boolean
geni_compressed <optional>; struct geni_rspec_version { string type;
#case insensitive , string version; # case insensitive}}
:type options: dictionary
:returns: On success returns the following dictionary {geni_rspec:
<geni.rspec, a Manifest RSpec>, geni_urn: <string slice urn of the
containing slice>, geni_slivers:{ geni_sliver_urn:
<string sliver urn>, geni_expires: <dateTime.rfc3339 allocation
expiration string, as in geni_expires from SliversStatus>,
geni_allocation_status: <string sliver state - e.g. geni_allocated
or geni_provisioned >, geni_operational_status:
<string sliver operational state>, geni_error: <optional string.
The field may be omitted entirely but may not be null/None,
explaining any failure for a sliver.>}
.. seealso:: http://groups.geni.net/geni/wiki/GAPI_AM_API_V3#Describe
.. seealso:: http://groups.geni.net/geni/wiki/GAPI_AM_API_V3/CommonConcepts#urns
"""
version_manager = VersionManager()
version = version_manager.get_version(version)
rspec_version = version_manager._get_version(version.type,
version.version,
'manifest')
rspec = RSpec(version=rspec_version, user_options=options)
# get slivers
geni_slivers = []
slivers = self.get_slivers(urns, options)
if slivers:
rspec_expires = datetime_to_string(utcparse(slivers[0]['expires']))
else:
rspec_expires = datetime_to_string(utcparse(time.time()))
rspec.xml.set('expires', rspec_expires)
# lookup the sliver allocations
geni_urn = urns[0]
sliver_ids = [sliver['sliver_id'] for sliver in slivers]
logger.debug(" Cortexlabaggregate.PY \tDescribe sliver_ids %s " %
(sliver_ids))
constraint = SliverAllocation.sliver_id.in_(sliver_ids)
query = self.driver.api.dbsession().query(SliverAllocation)
sliver_allocations = query.filter((constraint)).all()
logger.debug(
" Cortexlabaggregate.PY \tDescribe sliver_allocations %s " %
(sliver_allocations))
sliver_allocation_dict = {}
for sliver_allocation in sliver_allocations:
geni_urn = sliver_allocation.slice_urn
sliver_allocation_dict[sliver_allocation.sliver_id] = \
sliver_allocation
# add slivers
nodes_dict = {}
for sliver in slivers:
nodes_dict[sliver['node_id']] = sliver
rspec_nodes = []
for sliver in slivers:
rspec_node = self.sliver_to_rspec_node(sliver,
sliver_allocation_dict)
rspec_nodes.append(rspec_node)
logger.debug(
" Cortexlabaggregate.PY \tDescribe sliver_allocation_dict %s "
% (sliver_allocation_dict))
geni_sliver = self.rspec_node_to_geni_sliver(
rspec_node, sliver_allocation_dict)
geni_slivers.append(geni_sliver)
logger.debug(" Cortexlabaggregate.PY \tDescribe rspec_nodes %s\
rspec %s " % (rspec_nodes, rspec))
rspec.version.add_nodes(rspec_nodes)
return {
'geni_urn': geni_urn,
'geni_rspec': rspec.toxml(),
'geni_slivers': geni_slivers
}
def parse(cls, rspec, rspec_version=None, slice_urn=None):
resources = list()
leases = list()
rspec = RSpec(rspec)
# Parse leases first, so that they can be completed when encountering
# their ids in resources
lease_map = dict() # id -> lease_dict
elements = rspec.xml.xpath('//ol:lease')
network = cls.get_network()
for el in elements:
try:
lease_tmp = cls.dict_from_elt(network, el.element)
start = calendar.timegm(
dateutil.parser.parse(
lease_tmp['valid_from']).utctimetuple())
end = calendar.timegm(
dateutil.parser.parse(
lease_tmp['valid_until']).utctimetuple())
lease = {
'lease_id': lease_tmp['id'],
'slice': slice_urn,
'start_time': start,
'end_time': end,
'duration': (end - start) / cls.get_grain(),
'granularity': cls.get_grain()
}
lease_map[lease_tmp['id']] = lease
except:
import traceback
Log.warning("this lease has not the right format")
traceback.print_exc()
# Parse nodes
for tag, resource_type in RESOURCE_TYPES.items():
if ':' in tag:
ns, _, tag = tag.partition(':')
XPATH_RESOURCE = "//%(ns)s:%(tag)s"
else:
XPATH_RESOURCE = "//default:%(tag)s | //%(tag)s"
elements = rspec.xml.xpath(XPATH_RESOURCE % locals())
for el in elements:
resource = cls.dict_from_elt(network, el.element,
LIST_ELEMENTS.get(resource_type))
if resource_type in cls.MAP:
resource = cls.dict_rename(resource, resource_type)
resource['network_hrn'] = network
#resource['facility_name'] = 'NITOS'
resource['facility_name'] = 'Wireless'
if 'hrn' in resource:
hrn = resource['hrn'].replace('\\', '')
elif 'component_id' in resource:
urn = resource['component_id']
hrn, type = urn_to_hrn(urn)
resource['hrn'] = hrn
resource['urn'] = urn
t_hrn = hrn.split('.')
if 'omf' in hrn:
if t_hrn[1] == 'nitos':
resource['testbed_name'] = 'NITOS-Volos'
resource['country'] = 'Greece'
resource['latitude'] = '39.3666667'
resource['longitude'] = '22.9458333'
elif t_hrn[1] == 'netmode':
resource['testbed_name'] = 'Netmode'
resource['country'] = 'Greece'
resource['latitude'] = '37.978377'
resource['longitude'] = '23.782707'
elif t_hrn[1] == 'gaia':
resource['testbed_name'] = 'UMU'
resource['country'] = 'Spain'
resource['latitude'] = '38.023681'
resource['longitude'] = '-1.174462'
elif t_hrn[1] == 'snu':
resource['testbed_name'] = 'SNU'
resource['country'] = 'South Korea'
resource['latitude'] = '37.460263'
resource['longitude'] = '126.953598'
elif t_hrn[1] == 'kaist':
resource['testbed_name'] = 'KAIST'
resource['country'] = 'South Korea'
resource['latitude'] = '36.369362'
resource['longitude'] = '127.364025'
elif t_hrn[1] == 'etri':
resource['testbed_name'] = 'ETRI'
resource['country'] = 'South Korea'
resource['latitude'] = '36.3808653'
resource['longitude'] = '127.3650244'
elif 'paris' in hrn:
resource[
'testbed_name'] = 'FIT NITOS ' + t_hrn[1].title()
# XXX Hardcoded for Paris @ UPMC
resource['country'] = 'France'
resource['latitude'] = '48.847104'
resource['longitude'] = '2.357499'
else:
resource['testbed_name'] = 'FIT ' + t_hrn[1].title()
resource['country'] = 'France'
else:
if 'component_manager_id' in resource:
t, tp = urn_to_hrn(resource['component_manager_id'])
resource['testbed_name'] = 'FIT ' + t.title()
else:
resource['testbed_name'] = 'FIT ' + t_hrn[1].title()
#resource['testbed_name'] = 'Nitos'
if 'services.login.username' in resource:
if resource['services.login.username']:
resource['login'] = {
'username': resource['services.login.username'],
'hostname': resource['services.login.hostname']
}
resource = set_status(resource)
resources.append(resource)
# Leases
if 'lease_ref.id_ref' in resource:
lease_id_refs = resource.pop('lease_ref.id_ref')
for lease_id_ref in lease_id_refs:
lease = copy.deepcopy(lease_map[lease_id_ref])
lease['resource'] = resource['urn']
leases.append(lease)
return {'resource': resources, 'lease': leases}
self.xml.remove_element('//default:available | //available')
class PGv2Ad(PGv2):
enabled = True
content_type = 'ad'
schema = 'http://www.protogeni.net/resources/rspec/2/ad.xsd'
template = '<rspec type="advertisement" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/ad.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
class PGv2Request(PGv2):
enabled = True
content_type = 'request'
schema = 'http://www.protogeni.net/resources/rspec/2/request.xsd'
template = '<rspec type="request" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/request.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
class PGv2Manifest(PGv2):
enabled = True
content_type = 'manifest'
schema = 'http://www.protogeni.net/resources/rspec/2/manifest.xsd'
template = '<rspec type="manifest" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/manifest.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
if __name__ == '__main__':
from sfa.rspecs.rspec import RSpec
from sfa.rspecs.rspec_elements import *
r = RSpec('/tmp/pg.rspec')
r.load_rspec_elements(PGv2.elements)
r.namespaces = PGv2.namespaces
print r.get(RSpecElements.NODE)