def get_slice_and_slivers(self, slice_xrn, login=None):
"""
Returns a dict of slivers keyed on the sliver's node_id
"""
slivers = {}
sfa_slice = None
if not slice_xrn:
return (sfa_slice, slivers)
slice_urn = hrn_to_urn(slice_xrn, 'slice')
slice_hrn, _ = urn_to_hrn(slice_xrn)
slice_name = slice_hrn
slices = self.driver.GetSlices(slice_filter= str(slice_name), \
slice_filter_type = 'slice_hrn', login=login)
logger.debug("Slabaggregate api \tget_slice_and_slivers \
sfa_slice %s \r\n slices %s self.driver.hrn %s" \
%(sfa_slice, slices, self.driver.hrn))
if not slices:
return (sfa_slice, slivers)
#if isinstance(sfa_slice, list):
#sfa_slice = slices[0]
#else:
#sfa_slice = slices
# sort slivers by node id , if there is a job
#and therfore, node allocated to this slice
for sfa_slice in slices:
try:
node_ids_list = sfa_slice['node_ids']
except KeyError:
logger.log_exc("SLABAGGREGATE \t \
get_slice_and_slivers KeyError ")
continue
for node in node_ids_list:
sliver_xrn = Xrn(slice_urn, type='sliver', id=node)
sliver_xrn.set_authority(self.driver.hrn)
#node_id = self.driver.root_auth + '.' + node_id
sliver = Sliver({'sliver_id':sliver_xrn.urn,
'name': sfa_slice['hrn'],
'type': 'slab-node',
'tags': []})
slivers[node] = sliver
#Add default sliver attribute :
#connection information for senslab
if get_authority (sfa_slice['hrn']) == self.driver.root_auth:
tmp = sfa_slice['hrn'].split('.')
ldap_username = tmp[1].split('_')[0]
vmaddr = 'ssh ' + ldap_username + '@grenoble.senslab.info'
slivers['default_sliver'] = {'vm': vmaddr , 'login': ldap_username}
#TODO get_slice_and_slivers Find the login of the external user
logger.debug("SLABAGGREGATE api get_slice_and_slivers slivers %s "\
%(slivers))
return (slices, slivers)
def GetVersion(api):
# peers explicitly in aggregates.xml
peers =dict ([ (peername,get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
if peername != api.hrn])
version_manager = VersionManager()
ad_rspec_versions = []
request_rspec_versions = []
for rspec_version in version_manager.versions:
if rspec_version.content_type in ['*', 'ad']:
ad_rspec_versions.append(rspec_version.to_dict())
if rspec_version.content_type in ['*', 'request']:
request_rspec_versions.append(rspec_version.to_dict())
default_rspec_version = version_manager.get_version("sfa 1").to_dict()
xrn=Xrn(api.hrn, 'authority+sa')
version_more = {'interface':'slicemgr',
'hrn' : xrn.get_hrn(),
'urn' : xrn.get_urn(),
'peers': peers,
'request_rspec_versions': request_rspec_versions,
'ad_rspec_versions': ad_rspec_versions,
'default_ad_rspec': default_rspec_version
}
sm_version=version_core(version_more)
# local aggregate if present needs to have localhost resolved
if api.hrn in api.aggregates:
local_am_url=get_serverproxy_url(api.aggregates[api.hrn])
sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
return sm_version
def describe(self, urns, version=None, options=None):
if options is 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)
# Update connection for the current user
xrn = Xrn(urns[0], type='slice')
user_name = xrn.get_authority_hrn() + '.' + xrn.leaf.split('-')[0]
tenant_name = OSXrn(xrn=urns[0], type='slice').get_hrn()
self.driver.shell.compute_manager.connect(username=user_name, tenant=tenant_name, password=user_name)
# For delay to collect instance info
time.sleep(3)
# Get instances from the Openstack
instances = self.get_instances(xrn)
# Add sliver(s) from instance(s)
geni_slivers = []
rspec.xml.set( 'expires', datetime_to_string(utcparse(time.time())) )
rspec_nodes = []
for instance in instances:
rspec_nodes.append(self.instance_to_rspec_node(instance))
geni_sliver = self.instance_to_geni_sliver(instance)
geni_slivers.append(geni_sliver)
rspec.version.add_nodes(rspec_nodes)
result = { 'geni_urn': xrn.get_urn(),
'geni_rspec': rspec.toxml(),
'geni_slivers': geni_slivers }
return result
def GetVersion(self, api, options):
# peers explicitly in aggregates.xml
peers =dict ([ (peername,interface.get_url()) for (peername,interface) in api.aggregates.iteritems()
if peername != api.hrn])
version_manager = VersionManager()
ad_rspec_versions = []
request_rspec_versions = []
for rspec_version in version_manager.versions:
if rspec_version.content_type in ['*', 'ad']:
ad_rspec_versions.append(rspec_version.to_dict())
if rspec_version.content_type in ['*', 'request']:
request_rspec_versions.append(rspec_version.to_dict())
xrn=Xrn(api.hrn, 'authority+sa')
version_more = {
'interface':'slicemgr',
'sfa': 2,
'geni_api': 2,
'geni_api_versions': {'2': 'http://%s:%s' % (api.config.SFA_SM_HOST, api.config.SFA_SM_PORT)},
'hrn' : xrn.get_hrn(),
'urn' : xrn.get_urn(),
'peers': peers,
'geni_request_rspec_versions': request_rspec_versions,
'geni_ad_rspec_versions': ad_rspec_versions,
}
sm_version=version_core(version_more)
# local aggregate if present needs to have localhost resolved
if api.hrn in api.aggregates:
local_am_url=api.aggregates[api.hrn].get_url()
sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
return sm_version
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 __init__ (self, auth=None, hostname=None, slicename=None, email=None, interface=None, **kwargs):
#def hostname_to_hrn(auth_hrn, login_base, hostname):
if hostname is not None:
self.type='node'
# keep only the first part of the DNS name
#self.hrn='.'.join( [auth,hostname.split(".")[0] ] )
# escape the '.' in the hostname
self.hrn='.'.join( [auth,Xrn.escape(hostname)] )
self.hrn_to_urn()
#def slicename_to_hrn(auth_hrn, slicename):
elif slicename is not None:
self.type='slice'
# split at the first _
parts = slicename.split("_",1)
self.hrn = ".".join([auth] + parts )
self.hrn_to_urn()
#def email_to_hrn(auth_hrn, email):
elif email is not None:
self.type='person'
# keep only the part before '@' and replace special chars into _
self.hrn='.'.join([auth,email.split('@')[0].replace(".", "_").replace("+", "_")])
self.hrn_to_urn()
elif interface is not None:
self.type = 'interface'
self.hrn = auth + '.' + interface
self.hrn_to_urn()
else:
Xrn.__init__ (self,**kwargs)
def GetVersion(self, api, options):
# peers explicitly in aggregates.xml
peers =dict ([ (peername,interface.get_url()) for (peername,interface) in api.aggregates.iteritems()
if peername != api.hrn])
version_manager = VersionManager()
ad_rspec_versions = []
request_rspec_versions = []
cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]]
for rspec_version in version_manager.versions:
if rspec_version.content_type in ['*', 'ad']:
ad_rspec_versions.append(rspec_version.to_dict())
if rspec_version.content_type in ['*', 'request']:
request_rspec_versions.append(rspec_version.to_dict())
xrn=Xrn(api.hrn, 'authority+sm')
version_more = {
'interface':'slicemgr',
'sfa': 2,
'geni_api': 3,
'geni_api_versions': {'3': 'http://%s:%s' % (api.config.SFA_SM_HOST, api.config.SFA_SM_PORT)},
'hrn' : xrn.get_hrn(),
'urn' : xrn.get_urn(),
'peers': peers,
'geni_single_allocation': 0, # Accept operations that act on as subset of slivers in a given state.
'geni_allocate': 'geni_many',# Multiple slivers can exist and be incrementally added, including those which connect or overlap in some way.
'geni_credential_types': cred_types,
}
sm_version=version_core(version_more)
# local aggregate if present needs to have localhost resolved
if api.hrn in api.aggregates:
local_am_url=api.aggregates[api.hrn].get_url()
sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
return sm_version
def register_user(self, sfa_record, hrn, pub_key):
# add person roles, projects and keys
email = sfa_record.get('email', None)
xrn = Xrn(hrn)
name = xrn.get_leaf()
auth_hrn = xrn.get_authority_hrn()
tenant_name = OSXrn(xrn=auth_hrn, type='authority').get_tenant_name()
tenant = self.shell.auth_manager.tenants.find(name=tenant_name)
self.shell.auth_manager.users.create(name,
email=email,
tenant_id=tenant.id)
user = self.shell.auth_manager.users.find(name=name)
slices = sfa_records.get('slices', [])
for slice in projects:
slice_tenant_name = OSXrn(xrn=slice,
type='slice').get_tenant_name()
slice_tenant = self.shell.auth_manager.tenants.find(
name=slice_tenant_name)
self.shell.auth_manager.roles.add_user_role(
user, slice_tenant, 'user')
keys = sfa_records.get('keys', [])
for key in keys:
keyname = OSXrn(xrn=hrn, type='user').get_slicename()
self.shell.nova_client.keypairs.create(keyname, key)
return user
def __init__ (self, auth=None, hostname=None, slicename=None, email=None, interface=None, **kwargs):
#def hostname_to_hrn(auth_hrn, login_base, hostname):
if hostname is not None:
self.type='node'
# keep only the first part of the DNS name
#self.hrn='.'.join( [auth,hostname.split(".")[0] ] )
# escape the '.' in the hostname
self.hrn='.'.join( [auth,Xrn.escape(hostname)] )
self.hrn_to_urn()
#def slicename_to_hrn(auth_hrn, slicename):
elif slicename is not None:
self.type='slice'
# split at the first _
parts = slicename.split("_",1)
self.hrn = ".".join([auth] + parts )
self.hrn_to_urn()
#def email_to_hrn(auth_hrn, email):
elif email is not None:
self.type='person'
# keep only the part before '@' and replace special chars into _
self.hrn='.'.join([auth,email.split('@')[0].replace(".", "_").replace("+", "_")])
self.hrn_to_urn()
elif interface is not None:
self.type = 'interface'
self.hrn = auth + '.' + interface
self.hrn_to_urn()
else:
Xrn.__init__ (self,**kwargs)
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 _record_dict(self, xrn=None, type=None,
url=None, description=None, email='',
key=None,
slices=[], researchers=[], pis=[]):
record_dict = {}
if xrn:
if type:
xrn = Xrn(xrn, type)
else:
xrn = Xrn(xrn)
record_dict['urn'] = xrn.get_urn()
record_dict['hrn'] = xrn.get_hrn()
record_dict['type'] = xrn.get_type()
if url:
record_dict['url'] = url
if description:
record_dict['description'] = description
if key:
try:
pubkey = open(key, 'r').read()
except IOError:
pubkey = key
record_dict['keys'] = [pubkey]
if slices:
record_dict['slices'] = slices
if researchers:
record_dict['researcher'] = researchers
if email:
record_dict['email'] = email
if pis:
record_dict['pi'] = pis
return record_dict
def __init__ (self, auth=None, hostname=None, slicename=None, slivername=None, username=None, **kwargs):
if hostname is not None:
self.type = 'node'
self.hrn = '.'.join( [auth, Xrn.escape(hostname)] )
self.hrn_to_urn()
elif slicename is not None:
self.type = 'slice'
self.hrn = '.'.join([auth, slicename])
self.hrn_to_urn()
elif slivername is not None:
self.type = 'sliver'
# Reformat sliver name
xrn_slivername = clab_slivername_to_xrn_slivername(slivername)
self.hrn = '.'.join([auth, xrn_slivername])
self.hrn_to_urn()
elif username is not None:
self.type = 'user'
self.hrn = '.'.join([auth, username])
self.hrn_to_urn()
else:
Xrn.__init__ (self, **kwargs)
def provision(self, xrn):
"""Provision slivers"""
xrn = Xrn(xrn, 'slice')
slice_urn=xrn.get_urn()
options = {'geni_rspec_version': 'KOREN'}
manifest = self.api.manager.Provision(self.api, [slice_urn], [], options)
print manifest
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 allocate (self, urn, rspec_string, expiration, options=None):
if options is None: 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 update(self, old_sfa_record, new_sfa_record, hrn, new_key):
type = new_sfa_record['type']
# new_key implemented for users only
if new_key and type not in ['user']:
raise UnknownSfaType(type)
elif type == "slice":
# can update project manager and description
name = hrn_to_os_slicename(hrn)
researchers = sfa_record.get('researchers', [])
pis = sfa_record.get('pis', [])
project_manager = None
description = sfa_record.get('description', None)
if pis:
project_manager = Xrn(pis[0], 'user').get_leaf()
elif researchers:
project_manager = Xrn(researchers[0], 'user').get_leaf()
self.shell.auth_manager.modify_project(name, project_manager,
description)
elif type == "user":
# can techinally update access_key and secret_key,
# but that is not in our scope, so we do nothing.
pass
return True
def provision(self, urns, options=None):
if options is None: options={}
# update sliver allocation states and set them to geni_provisioned
aggregate = OSAggregate(self)
# Update connection for the current client
xrn = Xrn(urns[0], type='slice')
user_name = xrn.get_authority_hrn() + '.' + xrn.leaf.split('-')[0]
tenant_name = OSXrn(xrn=urns[0], type='slice').get_hrn()
self.shell.compute_manager.connect(username=user_name, tenant=tenant_name, password=user_name)
instances = aggregate.get_instances(xrn)
# Allocate new floating IP per the instance
servers = aggregate.check_floatingip(instances, True)
aggregate.create_floatingip(tenant_name, servers)
sliver_ids=[]
for instance in instances:
sliver_id = OSXrn(name=('koren'+'.'+ instance.name), id=instance.id, type='node+openstack').get_urn()
sliver_ids.append(sliver_id)
dbsession=self.api.dbsession()
SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned', dbsession)
version_manager = VersionManager()
rspec_version = version_manager.get_version(options['geni_rspec_version'])
return self.describe(urns, rspec_version, options=options)
def delete_instance(self, instance):
def _delete_security_group(inst):
security_group = inst.metadata.get('security_groups', '')
if security_group:
manager = SecurityGroup(self.driver)
timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
start_time = time.time()
instance_deleted = False
while instance_deleted == False and (time.time() - start_time) < timeout:
tmp_inst = self.driver.shell.compute_manager.servers.findall(id=inst.id)
if not tmp_inst:
instance_deleted = True
time.sleep(.5)
manager.delete_security_group(security_group)
multiclient = MultiClient()
tenant = self.driver.shell.auth_manager.tenants.find(id=instance.tenant_id)
# Update connection for the current client
xrn = Xrn(tenant.name)
user_name = xrn.get_authority_hrn() + '.' + xrn.leaf.split('-')[0]
self.driver.shell.compute_manager.connect(username=user_name, tenant=tenant.name, password=user_name)
args = { 'name': instance.name,
'id': instance.id }
instances = self.driver.shell.compute_manager.servers.findall(**args)
security_group_manager = SecurityGroup(self.driver)
for instance in instances:
# destroy instance
self.driver.shell.compute_manager.servers.delete(instance)
# deleate this instance's security groups
multiclient.run(_delete_security_group, instance)
return 1
def _record_dict(self, xrn, type, email, key,
slices, researchers, pis,
url, description, extras):
record_dict = {}
if xrn:
if type:
xrn = Xrn(xrn, type)
else:
xrn = Xrn(xrn)
record_dict['urn'] = xrn.get_urn()
record_dict['hrn'] = xrn.get_hrn()
record_dict['type'] = xrn.get_type()
if url:
record_dict['url'] = url
if description:
record_dict['description'] = description
if key:
try:
pubkey = open(key, 'r').read()
except IOError:
pubkey = key
record_dict['reg-keys'] = [pubkey]
if slices:
record_dict['slices'] = slices
if researchers:
record_dict['reg-researchers'] = researchers
if email:
record_dict['email'] = email
if pis:
record_dict['reg-pis'] = pis
if extras:
record_dict.update(extras)
return record_dict
def provision(self, xrn):
"""Provision slivers"""
xrn = Xrn(xrn, 'slice')
slice_urn=xrn.get_urn()
options={}
manifest = self.api.manager.provision(self.api, [slice_urn], [], options)
print manifest
def register_slice(self, sfa_record, hrn):
# add slice description, name, researchers, PI
name = hrn_to_os_tenant_name(hrn)
description = sfa_record.get('description', None)
self.shell.auth_manager.tenants.create(name, description)
tenant = self.shell.auth_manager.tenants.find(name=name)
auth_hrn = OSXrn(xrn=hrn, type='slice').get_authority_hrn()
parent_tenant_name = OSXrn(xrn=auth_hrn,
type='slice').get_tenant_name()
parent_tenant = self.shell.auth_manager.tenants.find(
name=parent_tenant_name)
researchers = sfa_record.get('researchers', [])
for researcher in researchers:
name = Xrn(researcher).get_leaf()
user = self.shell.auth_manager.users.find(name=name)
self.shell.auth_manager.roles.add_user_role(user, 'Member', tenant)
self.shell.auth_manager.roles.add_user_role(user, 'user', tenant)
pis = sfa_record.get('pis', [])
for pi in pis:
name = Xrn(pi).get_leaf()
user = self.shell.auth_manager.users.find(name=name)
self.shell.auth_manager.roles.add_user_role(user, 'pi', tenant)
self.shell.auth_manager.roles.add_user_role(
user, 'pi', parent_tenant)
return tenant
def allocate(self, xrn, rspec):
"""Allocate slivers"""
xrn = Xrn(xrn, 'slice')
slice_urn=xrn.get_urn()
rspec_string = open(rspec).read()
options={}
manifest = self.api.manager.Allocate(self.api, slice_urn, [], rspec_string, options)
print manifest
def RenewSliver(self, api, xrn, creds, expiration_time, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
xrn = Xrn(xrn, 'slice')
slice_urn=xrn.get_urn()
slice_hrn=xrn.get_hrn()
return self.driver.renew_sliver (slice_urn, slice_hrn, creds, expiration_time, options)
def provision(self, xrn):
"""Provision slivers"""
xrn = Xrn(xrn, 'slice')
slice_urn = xrn.get_urn()
options = {}
manifest = self.api.manager.provision(self.api, [slice_urn], [],
options)
print manifest
def DeleteSliver(self, api, xrn, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return True
xrn = Xrn(xrn, 'slice')
slice_urn=xrn.get_urn()
slice_hrn=xrn.get_hrn()
return self.driver.delete_sliver (slice_urn, slice_hrn, creds, options)
def GetVersion(api):
peers =dict ([ (peername,v._ServerProxy__host) for (peername,v) in api.registries.iteritems()
if peername != api.hrn])
xrn=Xrn(api.hrn)
return version_core({'interface':'registry',
'hrn':xrn.get_hrn(),
'urn':xrn.get_urn(),
'peers':peers})
def SliverStatus (self, api, xrn, creds, options):
call_id = options.get('call_id')
if Callids().already_handled(call_id): return {}
xrn = Xrn(xrn,'slice')
slice_urn=xrn.get_urn()
slice_hrn=xrn.get_hrn()
return self.driver.sliver_status (slice_urn, slice_hrn)
def list(self, xrn, type=None, recursive=False):
"""List names registered at a given authority - possibly filtered by type"""
xrn = Xrn(xrn, type)
options = {'recursive': recursive}
records = self.api.manager.List(self.api, xrn.get_hrn(), options=options)
for record in records:
if not type or record['type'] == type:
print "%s (%s)" % (record['hrn'], record['type'])
def GetVersion(self, api, options):
peers = dict ( [ (hrn,interface.get_url()) for (hrn,interface) in api.registries.iteritems()
if hrn != api.hrn])
xrn=Xrn(api.hrn,type='authority')
return version_core({'interface':'registry',
'sfa': 3,
'hrn':xrn.get_hrn(),
'urn':xrn.get_urn(),
'peers':peers})
def GetTicket(self, api, xrn, creds, rspec, users, options):
xrn = Xrn(xrn)
slice_urn=xrn.get_urn()
slice_hrn=xrn.get_hrn()
# xxx sounds like GetTicket is dead, but if that gets resurrected we might wish
# to pass 'users' over to the driver as well
return self.driver.get_ticket (slice_urn, slice_hrn, creds, rspec, options)
def allocate(self, xrn, rspec):
"""Allocate slivers"""
xrn = Xrn(xrn, 'slice')
slice_urn = xrn.get_urn()
rspec_string = open(rspec).read()
options = {}
manifest = self.api.manager.Allocate(self.api, slice_urn, [],
rspec_string, options)
print manifest
def restart_instances(self, instacne_name, tenant_name, id=None):
# Update connection for the current client
xrn = Xrn(tenant_name)
user_name = xrn.get_authority_hrn() + '.' + xrn.leaf.split('-')[0]
self.driver.shell.compute_manager.connect(username=user_name, tenant=tenant_name, password=user_name)
self.stop_instances(instance_name, tenant_name, id)
self.start_instances(instance_name, tenant_name, id)
return 1
def verify_slice_links(self, slice, requested_links, nodes):
if not requested_links:
return
# exit if links are not supported here
topology = Topology()
if not topology:
return
# build dict of nodes
nodes_dict = {}
interface_ids = []
for node in nodes:
nodes_dict[node['node_id']] = node
interface_ids.extend(node['interface_ids'])
# build dict of interfaces
interfaces = self.driver.shell.GetInterfaces(interface_ids)
interfaces_dict = {}
for interface in interfaces:
interfaces_dict[interface['interface_id']] = interface
slice_tags = []
# set egre key
slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
# set netns
slice_tags.append({'name': 'netns', 'value': '1'})
# set cap_net_admin
# need to update the attribute string?
slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
for link in requested_links:
# get the ip address of the first node in the link
ifname1 = Xrn(link['interface1']['component_id']).get_leaf()
if ifname1:
ifname_parts = ifname1.split(':')
node_raw = ifname_parts[0]
device = None
if len(ifname_parts) > 1:
device = ifname_parts[1]
node_id = int(node_raw.replace('node', ''))
node = nodes_dict[node_id]
if1 = interfaces_dict[node['interface_ids'][0]]
ipaddr = if1['ip']
topo_rspec = VLink.get_topo_rspec(link, ipaddr)
# set topo_rspec tag
slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
# set vini_topo tag
slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
#self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
def GetVersion(self, api, options):
peers = dict ( [ (hrn,interface.get_url()) for (hrn,interface) in api.registries.iteritems()
if hrn != api.hrn])
xrn=Xrn(api.hrn)
return version_core({'interface':'registry',
'sfa': 2,
'geni_api': 2,
'hrn':xrn.get_hrn(),
'urn':xrn.get_urn(),
'peers':peers})
def xrn_to_hostname(xrn):
"""Returns a node's hostname from its xrn.
:param xrn: The nodes xrn identifier.
:type xrn: Xrn (from sfa.util.xrn)
:returns: node's hostname.
:rtype: string
"""
return Xrn.unescape(Xrn(xrn=xrn, type='node').get_leaf())
def create(self, xrn, rspec, user, key):
"""Allocate slivers"""
xrn = Xrn(xrn, 'slice')
slice_urn=xrn.get_urn()
rspec_string = open(rspec).read()
user_xrn = Xrn(user, 'user')
user_urn = user_xrn.get_urn()
user_key_string = open(key).read()
users = [{'urn': user_urn, 'keys': [user_key_string]}]
options={}
self.api.manager.CreateSliver(self, slice_urn, [], rspec_string, users, options)
def __hrn(self,h,t,exp_urn):
if verbose: print 'testing (',h,t,') expecting',exp_urn
xrn=Xrn(h,type=t)
if verbose: print xrn.dump_string()
urn=xrn.get_urn()
(h1,t1) = Xrn(urn).get_hrn_type()
if h1!=h or t1!=t or urn!=exp_urn:
print "hrn->urn->hrn : MISMATCH with in=(%s,%s) -- out=(%s,%s) -- urn=%s"%(h,t,h1,t1,urn)
self.assertEqual(h1,h)
self.assertEqual(t1,t)
self.assertEqual(urn,exp_urn)
def __init__(self, name=None, type=None, **kwds):
config = Config()
if name is not None:
self.type = type
self.hrn = config.SFA_INTERFACE_HRN + "." + name
self.hrn_to_urn()
else:
Xrn.__init__(self, **kwds)
self.name = self.get_name()
def list(self, xrn, type=None, recursive=False, verbose=False):
"""List names registered at a given authority - possibly filtered by type"""
xrn = Xrn(xrn, type)
options_dict = {'recursive': recursive}
records = self.api.manager.List(self.api, xrn.get_hrn(), options=options_dict)
list = filter_records(type, records)
# terminal_render expects an options object
class Options: pass
options=Options()
options.verbose=verbose
terminal_render (list, options)
def GetVersion(api):
xrn=Xrn(api.hrn)
request_rspec_versions = [dict(sfa_rspec_version)]
ad_rspec_versions = [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 xrn_to_hostname(xrn):
"""
Returns a node's hostname from its xrn
NOTE: If it is a URN, it must include the 'type' field
:param xrn: The nodes xrn identifier
:type Xrn (from sfa.util.xrn)
:returns: node's hostname
:rtype: string
"""
unescaped_hostname = unescape_testbed_obj_names(Xrn(xrn=xrn, type='node').get_leaf())
return Xrn.unescape(unescaped_hostname)
def test_void(self):
void = Xrn(xrn='', type=None)
expected = 'urn:publicid:IDN++'
self.assertEqual(void.get_hrn(), '')
self.assertEqual(void.get_type(), None)
self.assertEqual(void.get_urn(), expected)
loop = Xrn(xrn=expected)
self.assertEqual(loop.get_hrn(), '')
# xxx - this is not quite right as the first object has type None
self.assertEqual(loop.get_type(), '')
def xrn_object(root_auth, hostname):
"""Creates a valid xrn object from the node's hostname and the authority
of the SFA server.
:param hostname: the node's hostname.
:param root_auth: the SFA root authority.
:type hostname: string
:type root_auth: string
:returns: the iotlab node's xrn
:rtype: Xrn
"""
return Xrn('.'.join([root_auth, Xrn.escape(hostname)]), type='node')
def call(self, xrn, creds, type):
xrn = Xrn(xrn, type=type)
# validate the cred
valid_creds = self.api.auth.checkCredentials(creds, "remove")
self.api.auth.verify_object_permission(xrn.get_hrn())
#log the call
origin_hrn = Credential(
string=valid_creds[0]).get_gid_caller().get_hrn()
self.api.logger.info(
"interface: %s\tmethod-name: %s\tcaller-hrn: %s\ttarget-urn: %s" %
(self.api.interface, self.name, origin_hrn, xrn.get_urn()))
return self.api.manager.Remove(self.api, xrn)
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 check_sliver_credentials(self, creds, urns):
# build list of cred object hrns
slice_cred_names = []
for cred in creds:
slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn()
slice_cred_names.append(
DummyXrn(xrn=slice_cred_hrn).dummy_slicename())
# look up slice name of slivers listed in urns arg
slice_ids = []
for urn in urns:
sliver_id_parts = Xrn(xrn=urn).get_sliver_id_parts()
try:
slice_ids.append(int(sliver_id_parts[0]))
except ValueError:
pass
if not slice_ids:
raise Forbidden("sliver urn not provided")
slices = self.shell.GetSlices({'slice_ids': slice_ids})
sliver_names = [slice['slice_name'] for slice in slices]
# make sure we have a credential for every specified sliver ierd
for sliver_name in sliver_names:
if sliver_name not in slice_cred_names:
msg = "Valid credential not found for target: %s" % sliver_name
raise Forbidden(msg)
def list(self, xrn, type=None, recursive=False, verbose=False):
"""List names registered at a given authority - possibly filtered by type"""
xrn = Xrn(xrn, type)
options_dict = {'recursive': recursive}
records = self.api.manager.List(self.api,
xrn.get_hrn(),
options=options_dict)
list = filter_records(type, records)
# terminal_render expects an options object
class Options:
pass
options = Options()
options.verbose = verbose
terminal_render(list, options)
def _process_node(cls, node):
node['type'] = 'node'
node['network_hrn'] = Xrn(node['component_id']).authority[0] # network ? XXX
node['hrn'] = urn_to_hrn(node['component_id'])[0]
node['urn'] = node['component_id']
node['hostname'] = node['component_name']
node['initscripts'] = node.pop('pl_initscripts')
# All Labora nodes are exclusive = true
node['exclusive'] = 'true'
if 'granularity' in node:
node['granularity'] = node['granularity']['grain']
# XXX This should use a MAP as before
if 'position' in node: # iotlab
node['x'] = node['position']['posx']
node['y'] = node['position']['posy']
node['z'] = node['position']['posz']
del node['position']
if 'location' in node:
if node['location']:
node['latitude'] = node['location']['latitude']
node['longitude'] = node['location']['longitude']
del node['location']
# Flatten tags
if 'tags' in node:
if node['tags']:
for tag in node['tags']:
node[tag['tagname']] = tag['value']
del node['tags']
return node
def xrn_object(root_auth, hostname):
"""
Creates a valid xrn object from the node's hostname and the authority
of the SFA server.
:param hostname: the node's hostname
:type string
:param root_auth: the SFA root authority
:type string
:returns: the C-Lab node's xrn
:rtype: Xrn
"""
escaped_hostname = escape_testbed_obj_names(hostname)
return Xrn('.'.join([root_auth, Xrn.escape(escaped_hostname)]), type='node')
def create_instance_key(self, slice_hrn, user):
slice_name = Xrn(slice_hrn).leaf
user_name = Xrn(user['urn']).leaf
key_name = "%s_%s" % (slice_name, user_name)
pubkey = user['keys'][0]
key_found = False
existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
for existing_key in existing_keys:
if existing_key.public_key != pubkey:
self.driver.shell.nova_manager.keypairs.delete(existing_key)
elif existing_key.public_key == pubkey:
key_found = True
if not key_found:
self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
return key_name
def check_sliver_credentials(self, creds, urns):
# build list of cred object hrns
slice_cred_names = []
for cred in creds:
slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn()
slice_cred_names.append(OSXrn(xrn=slice_cred_hrn).get_slicename())
# look up slice name of slivers listed in urns arg
slice_ids = []
for urn in urns:
sliver_id_parts = Xrn(xrn=urn).get_sliver_id_parts()
slice_ids.append(sliver_id_parts[0])
if not slice_ids:
raise Forbidden("sliver urn not provided")
sliver_names = []
for slice_id in slice_ids:
slice = self.shell.auth_manager.tenants.find(slice_id)
sliver_names.append(slice['name'])
# make sure we have a credential for every specified sliver ierd
for sliver_name in sliver_names:
if sliver_name not in slice_cred_names:
msg = "Valid credential not found for target: %s" % sliver_name
raise Forbidden(msg)
def delete(self, urns, options={}):
# collect sliver ids so we can update sliver allocation states after
# we remove the slivers.
aggregate = OSAggregate(self)
instances = aggregate.get_instances(urns)
sliver_ids = []
for instance in instances:
sliver_hrn = "%s.%s" % (self.driver.hrn, instance.id)
sliver_ids.append(Xrn(sliver_hrn, type='sliver').urn)
# delete the instance
aggregate.delete_instance(instance)
# delete sliver allocation states
dbsession = self.api.dbsession()
SliverAllocation.delete_allocations(sliver_ids, dbsession)
# return geni_slivers
geni_slivers = []
for sliver_id in sliver_ids:
geni_slivers.append({
'geni_sliver_urn': sliver['sliver_id'],
'geni_allocation_status': 'geni_unallocated',
'geni_expires': None
})
return geni_slivers
def instance_to_geni_sliver(self, instance, sliver_allocations = {}):
sliver_hrn = '%s.%s' % (self.driver.hrn, instance.id)
sliver_id = Xrn(sliver_hrn, type='sliver').urn
# set sliver allocation and operational status
sliver_allocation = sliver_allocations[sliver_id]
if sliver_allocation:
allocation_status = sliver_allocation.allocation_state
if allocation_status == 'geni_allocated':
op_status = 'geni_pending_allocation'
elif allocation_status == 'geni_provisioned':
state = instance.state.lower()
if state == 'active':
op_status = 'geni_ready'
elif state == 'building':
op_status = 'geni_notready'
elif state == 'failed':
op_status =' geni_failed'
else:
op_status = 'geni_unknown'
else:
allocation_status = 'geni_unallocated'
# required fields
geni_sliver = {'geni_sliver_urn': sliver_id,
'geni_expires': None,
'geni_allocation_status': allocation_status,
'geni_operational_status': op_status,
'geni_error': None,
'plos_created_at': datetime_to_string(utcparse(instance.created)),
'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
}
return geni_sliver
def urn_to_properties(value):
# urn:publicid:IDN+omf:paris.fit-nitos.fr+node+node38
# node38.paris.fit-nitos.fr
#import pdb
#pdb.set_trace()
urn = value['component_id']
hrn = Xrn(urn).get_hrn()
t_urn = urn.split('+')
authority = t_urn[1]
if ':' in authority:
t_authority = authority.split(':')
authority = t_authority[1]
host = t_urn[-1]
hostname = host + '.' + authority
if value['type'] == 'node' and 'available.now' in value:
if value['available.now'] == 'true':
boot = "boot"
else:
boot = "disabled"
return {
'exclusive': True,
'hostname': hostname,
'hrn': hrn,
'urn': urn,
'boot_state': boot
}
else:
return {
'exclusive': True,
'hostname': hostname,
'hrn': hrn,
'urn': urn
}
def get_aggregate_nodes(self):
zones = self.get_availability_zones()
# available sliver/instance/vm types
instances = self.driver.shell.nova_manager.flavors.list()
if isinstance(instances, dict):
instances = instances.values()
# available images
images = self.driver.shell.image_manager.get_images_detailed()
disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
rspec_nodes = []
for zone in zones:
rspec_node = Node()
xrn = OSXrn(zone, type='node')
rspec_node['component_id'] = xrn.urn
rspec_node['component_name'] = xrn.name
rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
rspec_node['exclusive'] = 'false'
rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
HardwareType({'name': 'pc'})]
slivers = []
for instance in instances:
sliver = self.instance_to_sliver(instance)
sliver['disk_image'] = disk_images
slivers.append(sliver)
rspec_node['available'] = 'true'
rspec_node['slivers'] = slivers
rspec_nodes.append(rspec_node)
return rspec_nodes
def __init__(self, name=None, auth=None, **kwds):
config = Config()
self.id = id
if name is not None:
Xrn.__init__(self, **kwds)
if 'type' in kwds:
self.type = kwds['type']
if auth is not None:
self.hrn = '.'.join([auth, cleanup_name(name)])
else:
self.hrn = name.replace('_', '.')
self.hrn_to_urn()
else:
Xrn.__init__(self, **kwds)
self.name = self.get_name()
def sliver_to_slice_xrn(self, xrn):
sliver_id_parts = Xrn(xrn).get_sliver_id_parts()
slice = self.shell.auth_manager.tenants.find(id=sliver_id_parts[0])
if not slice:
raise Forbidden("Unable to locate slice record for sliver: %s" %
xrn)
slice_xrn = OSXrn(name=slice.name, type='slice')
return slice_xrn
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()
