def __init__(self,
locator='127.0.0.1:7447',
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
self.connector = Yaks_Connector(locator)
self.sysid = sysid
self.tenantid = tenantid
self.entity = self.EntityAPI(self.connector, self.sysid, self.tenantid)
def __init__(self, locator='127.0.0.1:7447',
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
self.connector = Yaks_Connector(locator)
self.sysid = sysid
self.tenantid = tenantid
self.descriptor = self.Descriptor()
self.node = self.Node(self.connector, self.sysid, self.tenantid)
self.plugin = self.Plugin(self.connector, self.sysid, self.tenantid)
self.network = self.Network(self.connector, self.sysid, self.tenantid)
self.fdu = self.FDUAPI(self.connector, self.sysid, self.tenantid)
self.image = self.Image(self.connector, self.sysid, self.tenantid)
self.flavor = self.Flavor(self.connector, self.sysid, self.tenantid)
class FEOAPI(object):
'''
This class allow the interaction with fog05 FIM
'''
def __init__(self,
locator='127.0.0.1:7447',
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
self.connector = Yaks_Connector(locator)
self.sysid = sysid
self.tenantid = tenantid
self.entity = self.EntityAPI(self.connector, self.sysid, self.tenantid)
def close(self):
self.connector.close()
class EntityAPI(object):
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def onboard(self, descriptor):
if not isinstance(descriptor, Entity):
raise ValueError("descriptor should be of type Entity")
nodes = self.connector.glob.actual.get_all_nodes(
self.sysid, self.tenantid)
if len(nodes) == 0:
raise SystemError("No nodes in the system!")
n = random.choice(nodes)
res = self.connector.glob.actual.onboard_entity_from_node(
self.sysid, self.tenantid, n, descriptor.to_json())
if res.get('result') is None:
raise SystemError('Error during onboarding {} - {}'.format(
res['error'], res['error_msg']))
return Entity(res['result'])
def instantiate(self, e_id):
nodes = self.connector.glob.actual.get_all_nodes(
self.sysid, self.tenantid)
if len(nodes) == 0:
raise SystemError("No nodes in the system!")
n = random.choice(nodes)
res = self.connector.glob.actual.instantiate_entity_from_node(
self.sysid, self.tenantid, n, e_id)
if res.get('result') is None:
raise SystemError('Error during instantiation {} - {}'.format(
res['error'], res['error_msg']))
return EntityRecord(res['result'])
def offload(self, e_id):
nodes = self.connector.glob.actual.get_all_nodes(
self.sysid, self.tenantid)
if len(nodes) == 0:
raise SystemError("No nodes in the system!")
n = random.choice(nodes)
res = self.connector.glob.actual.offload_entity_from_node(
self.sysid, self.tenantid, n, e_id)
if res.get('result') is None:
raise SystemError('Error during offloading {} - {}'.format(
res['error'], res['error_msg']))
return Entity(res['result'])
def terminate(self, e_instance_id):
nodes = self.connector.glob.actual.get_all_nodes(
self.sysid, self.tenantid)
if len(nodes) == 0:
raise SystemError("No nodes in the system!")
n = random.choice(nodes)
res = self.connector.glob.actual.terminate_entity_from_node(
self.sysid, self.tenantid, n, e_instance_id)
if res.get('result') is None:
raise SystemError('Error during termination {} - {}'.format(
res['error'], res['error_msg']))
return EntityRecord(res['result'])
def get_entity_descriptor(self, e_id):
res = self.connector.glob.actual.get_catalog_entity_info(
self.sysid, self.tenantid, e_id)
return Entity(res)
def get_entity_instance_info(self, instance_id):
res = self.connector.glob.actual.get_records_entity_info(
self.sysid, self.tenantid, "*", instance_id)
return EntityRecord(res)
def list(self):
return self.connector.glob.actual.get_catalog_all_entities(
self.sysid, self.tenantid)
def instance_list(self, entity_id):
return self.connector.glob.actual.get_records_all_entity_instances(
self.sysid, self.tenantid, entity_id)
class FIMAPI(object):
'''
This class allow the interaction with fog05 FIM
'''
def __init__(self,
locator='127.0.0.1:7887',
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
self.connector = Yaks_Connector(locator)
self.sysid = sysid
self.tenantid = tenantid
self.manifest = self.Manifest()
self.node = self.Node(self.connector, self.sysid, self.tenantid)
self.plugin = self.Plugin(self.connector, self.sysid, self.tenantid)
self.network = self.Network(self.connector, self.sysid, self.tenantid)
self.fdu = self.FDU(self.connector, self.sysid, self.tenantid)
self.image = self.Image(self.connector, self.sysid, self.tenantid)
self.flavor = self.Flavor(self.connector, self.sysid, self.tenantid)
def close(self):
self.connector.close()
class Manifest(object):
'''
This class encapsulates API for manifests
'''
def __init__(self):
pass
def check(self, manifest, manifest_type):
'''
This method allow you to check a manifest
:param manifest: a dictionary rapresenting the JSON manifest
:param manifest_type: the manifest type from API.Manifest.Type
:return: boolean
'''
# if manifest_type == self.Type.ENTITY:
# t = manifest.get('type')
# try:
# if t == 'vm':
# validate(manifest.get('entity_data'),
# Schemas.vm_schema)
# elif t == 'container':
# validate(manifest.get('entity_data'),
# Schemas.container_schema)
# elif t == 'native':
# validate(manifest.get('entity_data'),
# Schemas.native_schema)
# elif t == 'ros2':
# validate(manifest.get('entity_data'),
# Schemas.ros2_schema)
# elif t == 'usvc':
# return False
# else:
# return False
# except ValidationError as ve:
# return False
# if manifest_type == self.Type.NETWORK:
# try:
# validate(manifest, Schemas.network_schema)
# except ValidationError as ve:
# return False
# if manifest_type == self.Type.ENTITY:
# try:
# validate(manifest, Schemas.entity_schema)
# except ValidationError as ve:
# return False
return True
# class Type(Enum):
# '''
# Manifest types
# '''
# ENTITY = 0
# IMAGE = 1
# FLAVOR = 3
# NETWORK = 4
# PLUGIN = 5
class Node(object):
'''
This class encapsulates the command for Node interaction
'''
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def list(self):
'''
Get all nodes in the current system/tenant
:return: list of tuples (uuid, hostname)
'''
nodes = self.connector.glob.actual.get_all_nodes(
self.sysid, self.tenantid)
return nodes
def info(self, node_uuid):
"""
Provide all information about a specific node
:param node_uuid: the uuid of the node you want info
:return: a dictionary with all information about the node
"""
if node_uuid is None:
return None
node_info = self.connector.glob.actual.get_node_info(
self.sysid, self.tenantid, node_uuid)
return node_info
def status(self, node_uuid):
"""
Provide all status information about a specific node,
including network neighbors
:param node_uuid: the uuid of the node you want info
:return: a dictionary with all information about the node
"""
if node_uuid is None:
return None
node_status = self.connector.glob.actual.get_node_status(
self.sysid, self.tenantid, node_uuid)
return node_status
def plugins(self, node_uuid):
'''
Get the list of plugin installed on the specified node
:param node_uuid: the uuid of the node you want info
:return: a list of the plugins installed in the node with
detailed informations
'''
plugins = self.connector.glob.actual.get_all_plugins_ids(
self.sysid, self.tenantid, node_uuid)
return plugins
def search(self, search_dict):
'''
Will search for a node that match information provided
in the parameter
:param search_dict: dictionary contains all information to match
:return: a list of node matching the dictionary
'''
pass
class Plugin(object):
'''
This class encapsulates the commands for Plugin interaction
'''
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def add(self, manifest, node_uuid=None):
'''
Add a plugin to a node or to all node in the system/tenant
:param manifest: the dictionary representing the plugin manifest
:param node_uuid: optional the node in which add the plugin
:return: boolean
'''
# manifest.update({'status': 'add'})
# plugins = {"plugins": [manifest]}
# plugins = json.dumps(plugins)
# if node_uuid is None:
# uri = '{}/*/plugins'.format(self.store.droot)
# else:
# uri = '{}/{}/plugins'.format(self.store.droot, node_uuid)
# res = self.store.desired.dput(uri, plugins)
# if res:
# return True
# else:
# return False
pass
def remove(self, plugin_uuid, node_uuid=None):
'''
Will remove a plugin for a node or all nodes
:param plugin_uuid: the plugin you want to remove
:param node_uuid: optional the node that will remove the plugin
:return: boolean
'''
pass
def info(self, node_uuid, pluginid):
'''
Same as API.Node.Plugins but can work for all node un the system,
\return a dictionary with key node uuid and value the plugin list
:param node_uuid: can be none
:return: dictionary {node_uuid, plugin list }
'''
if node_uuid is not None:
return self.connector.glob.actual.get_plugin_info(
self.sysid, self.tenantid, node_uuid, pluginid)
return None
def search(self, search_dict, node_uuid=None):
'''
Will search for a plugin matching the dictionary in a
single node or in all nodes
:param search_dict: dictionary contains all information to match
:param node_uuid: optional node uuid in which search
:return: a dictionary with {node_uuid, plugin uuid list} with
matches
'''
pass
class Network(object):
'''
This class encapsulates the command for Network element interaction
'''
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def __get_all_node_plugin(self, node_uuid):
pass
# uri = '{}/{}/plugins'.format(self.store.aroot, node_uuid)
# response = self.store.actual.resolve(uri)
# if response is not None and response != '':
# return json.loads(response).get('plugins')
# else:
# return None
def add_network(self, manifest):
'''
Add a network element to a node o to all nodes
:param manifest: dictionary representing the manifest of
that network element
:param node_uuid: optional the node uuid in which add
the network element
:return: boolean
'''
manifest.update({'status': 'add'})
net_id = manifest.get('uuid')
self.connector.glob.desired.add_network(self.sysid, self.tenantid,
net_id, manifest)
def remove_network(self, net_uuid):
'''
Remove a network element form one or all nodes
:param net_uuid: uuid of the network you want to remove
:param node_uuid: optional node from which remove
the network element
:return: boolean
'''
manifest = self.connector.glob.actual.get_network(
self.sysid, self.tenantid, net_uuid)
manifest.update({'status': 'remove'})
self.connector.glob.desired.remove_network(self.sysid,
self.tenantid, net_uuid)
def add_connection_point(self, cp_descriptor):
cp_descriptor.update({'status': 'add'})
cp_id = cp_descriptor.get('uuid')
self.connector.glob.desired.add_network_port(
self.sysid, self.tenantid, cp_id, cp_descriptor)
def delete_connection_point(self, cp_uuid):
manifest = self.connector.glob.actual.get_network_port(
self.sysid, self.tenantid, cp_uuid)
manifest.update({'status': 'remove'})
self.connector.glob.desired.add_network_port(
self.sysid, self.tenantid, cp_uuid, manifest)
def connect_cp_to_network(self, cp_uuid, net_uuid):
pass
def disconnect_cp(self, cp_uuid):
pass
def list(self):
'''
List all network element available in the system/teneant or in a
specified node
:param node_uuid: optional node uuid
:return: dictionary {network uuid:
{network manifest dictionary, pluginid, nodes}}
'''
return self.connector.glob.actual.get_all_networks(
self.sysid, self.tenantid)
def search(self, search_dict, node_uuid=None):
'''
Will search for a network element matching the dictionary in a
single node or in all nodes
:param search_dict: dictionary contains all information to match
:param node_uuid: optional node uuid in which search
:return: a dictionary
{node_uuid, network element uuid list} with matches
'''
pass
class FDU(object):
'''
This class encapsulates the api for interaction with entities
'''
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def __wait_node_fdu_state_change(self, instanceid, state):
'''
Function used to wait if an instance changest state
(eg. configured -> run) or goes to error state
:param node_uuid
:param fdu_uuid
:param state the new expected state
:return dict {'status':<new status>,
'fdu_uuid':fdu_uuid}
'''
fdu_info = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, '*', instanceid)
while fdu_info is None:
fdu_info = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, '*', instanceid)
es = fdu_info.get('status')
while es.upper() not in [state, 'ERROR']:
fdu_info = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, '*', instanceid)
es = fdu_info.get('status')
if es.upper() == 'ERROR':
raise ValueError(
'Unable to change state to {} for FDU Instance: {} Errno: {} Msg: {}'
.format(state, instanceid, fdu_info.get('error_code'),
fdu_info.get('error_msg')))
return fdu_info
def __wait_fdu(self, fdu_uuid):
'''
Function used to wait if an instance changest state
(eg. configured -> run) or goes to error state
:param node_uuid
:param fdu_uuid
:param state the new expected state
:return dict {'status':<new status>,
'fdu_uuid':fdu_uuid}
'''
local_var = MVar()
def cb(fdu_info):
local_var.put(fdu_info)
fdu_info = self.connector.glob.actual.get_fdu_info(
self.sysid, self.tenantid, fdu_uuid)
while fdu_info is None:
fdu_info = self.connector.glob.actual.get_fdu_info(
self.sysid, self.tenantid, fdu_uuid)
# while fdu_info is None:
# fdu_info = local_var.get()
res = {'fdu_uuid': fdu_uuid}
return res
def onboard(self, descriptor, wait=True):
'''
Onboard the FDU descriptor in the Catalog
:param descriptor: the fdu descriptor
:param wait: make the call wait for completio
:return the fdu uuid
'''
fduid = descriptor.get('uuid')
if fduid is None:
fduid = '{}'.format(uuid.uuid4())
self.connector.glob.desired.add_fdu_info(self.sysid, self.tenantid,
fduid, descriptor)
if wait:
self.__wait_fdu(fduid)
return fduid
def offload(self, fdu_uuid, wait=True):
'''
Offload the FDU descriptor from the Catalog
:param fdu_uuid: fdu uuid you want to remove
:param wait: make the call wait for completion
:return the fdu uuid
'''
res = self.connector.glob.desired.remove_fdu_info(
self.sysid, self.tenantid, fdu_uuid)
return fdu_uuid
def define(self, fduid, node_uuid, wait=True):
'''
Defines an FDU instance in a node, this method will check
the descriptor before sending the definition to the node
:param fduid: id of the fdu you want to instantiate
:param node_uuid: destination node uuid
:param wait: if wait that the definition is complete before
returning
:return: instance id
'''
desc = self.connector.glob.actual.get_fdu_info(
self.sysid, self.tenantid, fduid)
if desc is None:
raise ValueError('FDU with this UUID not found in the catalog')
inst_id = '{}'.format(uuid.uuid4())
record = {
'fdu_uuid': fduid,
'node': node_uuid,
'uuid': inst_id,
'status': 'DEFINE',
'interfaces': [],
'io_ports': [],
'accelerators': {
'fpga': [],
'gpu': []
},
'connection_points': [],
'hypervisor_info': {}
}
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node_uuid, fduid, inst_id, record)
if wait:
self.__wait_node_fdu_state_change(inst_id, 'DEFINE')
return inst_id
def undefine(self, instanceid, wait=True):
'''
This method undefine an FDU instance from a None
:param instanceid: FDU instance you want to undefine
:param wait: if wait before returning that the entity is undefined
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'UNDEFINE'})
fduid = record.get('fdu_uuid')
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
node, fduid, instanceid,
record)
return instanceid
def configure(self, instanceid, wait=True):
'''
Configure an FDU instance
:param instanceid: FDU instance you want to configure
:param wait: make the function blocking
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'CONFIGURE'})
fduid = record.get('fdu_uuid')
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node, fduid, instanceid, record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'CONFIGURE')
return res
def clean(self, instanceid, wait=True):
'''
Clean an FDU instance
:param instanceid: FDU instance you want to clean
:param wait: make the function blocking
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'CLEAN'})
fduid = record.get('fdu_uuid')
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node, fduid, instanceid, record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'DEFINE')
return res
def start(self, instanceid, wait=True):
'''
Start an FDU instance
:param instanceid: FDU instance you want to start
:param wait: make the function blocking
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'RUN'})
fduid = record.get('fdu_uuid')
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node, fduid, instanceid, record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return res
def stop(self, instanceid, wait=True):
'''
Stop an FDU instance
:param instanceid: FDU instance you want to stop
:param wait: make the function blocking
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'STOP'})
fduid = record.get('fdu_uuid')
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node, fduid, instanceid, record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'CONFIGURE')
return res
def pause(self, instanceid, wait=True):
'''
Pause an FDU instance
:param instanceid: FDU instance you want to pause
:param wait: make the function blocking
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'PAUSE'})
fduid = record.get('fdu_uuid')
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node, fduid, instanceid, record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'PAUSE')
return res
def resume(self, instanceid, wait=True):
'''
Resume an FDU instance
:param instanceid: FDU instance you want to resume
:param wait: make the function blocking
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record.update({'status': 'RESUME'})
fduid = record.get('fdu_uuid')
res = self.connector.glob.desired.add_node_fdu(
self.sysid, self.tenantid, node, fduid, instanceid, record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return res
def migrate(self, instanceid, destination_node_uuid, wait=True):
'''
Live migrate an instance between two nodes
The migration is issued when this command is sended,
there is a little overhead for the copy of the base image and the disk image
:param instanceid: fdu you want to migrate
:param destination_node_uuid: destination node
:param wait: optional wait before returning
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
fduid = record.get('fdu_uuid')
src_record = record.copy()
dst_record = record.copy()
migr_properties = {
'destination': destination_node_uuid,
'source': node
}
src_record.update({'status': 'TAKE_OFF'})
dst_record.update({'status': 'LAND'})
src_record.update({'migration_properties': migr_properties})
dst_record.update({'migration_properties': migr_properties})
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
destination_node_uuid,
fduid, instanceid,
dst_record)
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
node, fduid, instanceid,
src_record)
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return instanceid
def instantiate(self, fduid, nodeid, wait=True):
'''
Instantiate (define, configure, start) an fdu in a node
:param fduid: id of the fdu to instantiate
:param nodeid: node where instantiate
:return instance uuid
'''
instance_id = self.define(fduid, nodeid)
self.configure(instance_id)
self.start(instance_id)
return instance_id
def terminate(self, instanceid, wait=True):
'''
Terminate (stop, clean, undefine) an instance
:param instanceid: instance you want to terminate
:return instance uuid
'''
self.stop(instanceid)
self.clean(instanceid)
return self.undefine(instanceid)
def search(self, search_dict, node_uuid=None):
pass
def info(self, fdu_uuid):
# uri = '{}/*/runtime/*/entity/{}/instance/**'.format(self.store.aroot, entity_uuid)
# info = self.store.actual.getAll(uri)
# if info is None or len(info) == 0:
# return {}
# i = {}
# for e in info:
# k = e[0]
# v = e[1]
# i_uuid = k.split('/')[-1]
# i.update({i_uuid: v})
# return {entity_uuid: i}
return self.connector.glob.actual.get_fdu_info(
self.sysid, self.tenantid, fdu_uuid)
def instance_info(self, instanceid):
'''
Information about an instance
:param instanceid: instance id
:return dict containing the fdu record and hypervisor informations
'''
return self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, "*", instanceid)
def get_nodes(self, fdu_uuid):
'''
List of nodes where the fdu is running
:param fdu_uuid fdu you want to find the nodes
:return: node_uuid list
'''
return self.connector.glob.actual.get_fdu_nodes(
self.sysid, self.tenantid, fdu_uuid)
def list_node(self, node_uuid):
'''
List of fdu in the node
:param node_uuid node you want to list the fdus
:return: fdu_uuid list
'''
return self.connector.glob.actual.get_node_fdus(
self.sysid, self.tenantid, node_uuid)
def instance_list(self, fduid):
'''
List of instances for an FDU
:param fduid
:return dictionary of {node_id: [instances list]}
'''
infos = self.connector.glob.actual.get_node_fdu_instances(
self.sysid, self.tenantid, "*", fduid)
nodes = list(dict.fromkeys(list(map(lambda x: x[0], infos))))
res = {}
for n in nodes:
insts = []
for ii in infos:
if ii[0] == n:
insts.append(ii[2])
res.update({n: insts})
return res
def list(self, node_uuid='*'):
'''
List all entity element available in the system/teneant
or in a specified node
:param node_uuid: optional node uuid
:return: dictionary {node uuid: {entity uuid: instance list} list}
'''
return self.connector.glob.actual.get_all_fdus(
self.sysid, self.tenantid)
class Image(object):
'''
This class encapsulates the action on images
'''
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def __search_plugin_by_name(self, name, node_uuid):
# uri = '{}/{}/plugins'.format(self.store.aroot, node_uuid)
# all_plugins = self.store.actual.resolve(uri)
# if all_plugins is None or all_plugins == '':
# print('Cannot get plugin')
# return None
# all_plugins = json.loads(all_plugins).get('plugins')
# search = [x for x in all_plugins if name.upper() in x.get('name').upper()]
# if len(search) == 0:
# return None
# else:
# return search[0]
pass
def __get_entity_handler_by_uuid(self, node_uuid, entity_uuid):
# uri = '{}/{}/runtime/*/entity/{}'.format(self.store.aroot, node_uuid, entity_uuid)
# all = self.store.actual.resolveAll(uri)
# for i in all:
# k = i[0]
# if fnmatch.fnmatch(k, uri):
# # print('MATCH {0}'.format(k))
# # print('Extracting uuid...')
# regex = uri.replace('/', '\/')
# regex = regex.replace('*', '(.*)')
# reobj = re.compile(regex)
# mobj = reobj.match(k)
# uuid = mobj.group(1)
# # print('UUID {0}'.format(uuid))
# return uuid
pass
def __get_entity_handler_by_type(self, node_uuid, t):
# handler = None
# handler = self.__search_plugin_by_name(t, node_uuid)
# if handler is None:
# print('type not yet supported')
# return handler
pass
def add(self, descriptor):
'''
Adding an image to a node or to all nodes
:param manifest: dictionary representing the manifest for the image
:param node_uuid: optional node in which add the image
:return: boolean
'''
# manifest.update({'status': 'add'})
# json_data = json.dumps(manifest)
# if node_uuid is None:
# uri = '{}/*/runtime/*/image/{}'.format(
# self.store.droot, manifest.get('uuid'))
# else:
# handler = None
# t = manifest.get('type')
# if t in ['kvm', 'xen']:
# handler = self.__search_plugin_by_name(t, node_uuid)
# elif t in ['container', 'lxd', 'docker']:
# handler = self.__search_plugin_by_name(t, node_uuid)
# else:
# print('type not recognized')
# if handler is None or handler == 'None':
# print('Handler not found!! (Is none)')
# return False
# if handler.get('uuid') is None:
# print('Handler not found!! (Cannot get handler uuid)')
# return False
# uri = '{}/{}/runtime/{}/image/{}'.format(
# self.store.droot, node_uuid, handler.get('uuid'), manifest.get('uuid'))
# res = self.store.desired.put(uri, json_data)
# if res:
# return True
# else:
# return False
img_id = descriptor.get('uuid')
res = self.connector.glob.desired.add_image(
self.sysid, self.tenantid, img_id, descriptor)
return img_id
def add_from_rest(self, descriptor):
'''
Registering an image in yaks
:param descriptor: dictionary representing the manifest for the image
:return: image uuid
'''
img_id = descriptor.get('uuid')
res = self.connector.glob.actual.add_image(self.sysid,
self.tenantid, img_id,
descriptor)
return img_id
def get(self, image_uuid):
return self.connector.glob.actual.get_image(
self.sysid, self.tenantid, image_uuid)
def remove(self, image_uuid):
'''
Remove an image for a node or all nodes
:param image_uuid: image you want to remove
:param node_uuid: optional node from which remove the image
:return: boolean
'''
# if node_uuid is None:
# uri = '{}/*/runtime/*/image/{}#status=undefine'.format(
# self.store.droot, image_uuid)
# else:
# uri = '{}/{}/runtime/*/image/{}#status=undefine'.format(
# self.store.droot, node_uuid, image_uuid)
# res = self.store.desired.dput(uri)
# if res:
# return True
# else:
# return False
ret = self.connector.glob.desired.remove_image(
self.sysid, self.tenantid, image_uuid)
return image_uuid
def search(self, search_dict, node_uuid=None):
pass
def list(self):
'''
List available entity images
:param node_uuid: optional node id
:return: dictionaty {nodeid: {runtimeid: [images list]}}
'''
# uri = '{}/*/runtime/*/image/**'.format(self.store.aroot)
# if node_uuid:
# uri = '{}/{}/runtime/*/image/**'.format(
# self.store.aroot, node_uuid)
# data = self.store.actual.getAll(uri)
# images = {}
# for i in data:
# nodeid = i[0].split('/')[3]
# pluginid = i[0].split('/')[5]
# img_data = json.loads(i[1])
# imgs = images.get(nodeid, None)
# if imgs is None:
# images.update({nodeid: {pluginid: [img_data]}})
# else:
# if pluginid not in imgs.keys():
# images.update({nodeid: {pluginid: [img_data]}})
# else:
# images.get(nodeid).get(pluginid).append(img_data)
# return images
return self.connector.glob.actual.get_all_images(
self.sysid, self.tenantid)
class Flavor(object):
'''
This class encapsulates the action on flavors
'''
def __init__(self,
connector=None,
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def add(self, descriptor):
'''
Add a computing flavor to a node or all nodes
:param manifest: dictionary representing the manifest
for the flavor
:param node_uuid: optional node in which add the flavor
:return: boolean
'''
# manifest.update({'status': 'add'})
# json_data = json.dumps(manifest)
# if node_uuid is None:
# uri = '{}/*/runtime/*/flavor/{}'.format(
# self.store.droot, manifest.get('uuid'))
# else:
# uri = '{}/{}/runtime/*/flavor/{}'.format(
# self.store.droot, node_uuid, manifest.get('uuid'))
# res = self.store.desired.put(uri, json_data)
# if res:
# return True
# else:
# return False
flv_id = descriptor.get('uuid')
res = self.connector.glob.desired.add_flavor(
self.sysid, self.tenantid, flv_id, descriptor)
return flv_id
def add_from_rest(self, descriptor):
flv_id = descriptor.get('uuid')
res = self.connector.glob.actual.add_flavor(
self.sysid, self.tenantid, flv_id, descriptor)
return flv_id
def get(self, flavor_uuid):
'''
Add a computing flavor to a node or all nodes
:param manifest: dictionary representing the manifest
for the flavor
:param node_uuid: optional node in which add the flavor
:return: boolean
'''
# manifest.update({'status': 'add'})
# json_data = json.dumps(manifest)
# if node_uuid is None:
# uri = '{}/*/runtime/*/flavor/{}'.format(
# self.store.droot, manifest.get('uuid'))
# else:
# uri = '{}/{}/runtime/*/flavor/{}'.format(
# self.store.droot, node_uuid, manifest.get('uuid'))
# res = self.store.desired.put(uri, json_data)
# if res:
# return True
# else:
# return False
return self.connector.glob.actual.get_flavor(
self.sysid, self.tenantid, flavor_uuid)
def remove(self, flavor_uuid):
'''
Remove a flavor from all nodes or a specified node
:param flavor_uuid: flavor to remove
:param node_uuid: optional node from which remove the flavor
:return: boolean
'''
# if node_uuid is None:
# uri = '{}/*/runtime/*/flavor/{}#status=undefine'.format(
# self.store.droot, flavor_uuid)
# else:
# uri = '{}/{}/runtime/*/flavor/{}#status=undefine'.format(
# self.store.droot, node_uuid, flavor_uuid)
# res = self.store.desired.dput(uri)
# if res:
# return True
# else:
# return False
ret = self.connector.glob.desired.remove_flavor(
self.sysid, self.tenantid, flavor_uuid)
return flavor_uuid
def list(self):
'''
List available entity flavors
:param node_uuid: optional node id
:return: dictionaty {nodeid: {runtimeid: [flavor list]}}
'''
# uri = '{}/*/runtime/*/flavor/**'.format(self.store.aroot)
# if node_uuid:
# uri = '{}/{}/runtime/*/flavor/**'.format(
# self.store.aroot, node_uuid)
# data = self.store.actual.getAll(uri)
# flavors = {}
# for i in data:
# nodeid = i[0].split('/')[3]
# pluginid = i[0].split('/')[5]
# flv_data = json.loads(i[1])
# flvs = flavors.get(nodeid, None)
# if flvs is None:
# flavors.update({nodeid: {pluginid: [flv_data]}})
# else:
# if pluginid not in flvs.keys():
# flavors.update({nodeid: {pluginid: [flv_data]}})
# else:
# flavors.get(nodeid).get(pluginid).append(flv_data)
# return flavors
return self.connector.glob.actual.get_all_flavors(
self.sysid, self.tenantid)
def search(self, search_dict, node_uuid=None):
pass
class FIMAPI(object):
'''
Class: FIMAPI
This class implements the API to interact with Eclipse fog05 FIM
attributes
----------
descriptor : Descriptor
Gives access to the descriptor API
node : Node
Gives access to the node API
plugin : Plugin
Gives access to the plugin API
network : Network
Gives access to the descriptor API
fdu : FDUAPI
Gives access to the FDU API
image : Image
Gives access to the image API
flavor : Flavor
Gives access to the flavor API
'''
def __init__(self, locator='127.0.0.1:7447',
sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
self.connector = Yaks_Connector(locator)
self.sysid = sysid
self.tenantid = tenantid
self.descriptor = self.Descriptor()
self.node = self.Node(self.connector, self.sysid, self.tenantid)
self.plugin = self.Plugin(self.connector, self.sysid, self.tenantid)
self.network = self.Network(self.connector, self.sysid, self.tenantid)
self.fdu = self.FDUAPI(self.connector, self.sysid, self.tenantid)
self.image = self.Image(self.connector, self.sysid, self.tenantid)
self.flavor = self.Flavor(self.connector, self.sysid, self.tenantid)
def close(self):
'''
Closes the FIMAPI
'''
self.connector.close()
class Descriptor(object):
'''
Class: Descriptor
This class encapsulates API for descriptors
'''
def __init__(self):
pass
def check(self, descriptor, descriptor_type):
'''
Checks the given descriptor
parameters
----------
descriptor : dictionary
the descriptor to be checked
descriptor_type : API.Descriptor.Type
type of descriptor
returns
-------
bool
'''
# if descriptor_type == self.Type.ENTITY:
# t = descriptor.get('type')
# try:
# if t == 'vm':
# validate(descriptor.get('entity_data'),
# Schemas.vm_schema)
# elif t == 'container':
# validate(descriptor.get('entity_data'),
# Schemas.container_schema)
# elif t == 'native':
# validate(descriptor.get('entity_data'),
# Schemas.native_schema)
# elif t == 'ros2':
# validate(descriptor.get('entity_data'),
# Schemas.ros2_schema)
# elif t == 'usvc':
# return False
# else:
# return False
# except ValidationError as ve:
# return False
# if descriptor_type == self.Type.NETWORK:
# try:
# validate(descriptor, Schemas.network_schema)
# except ValidationError as ve:
# return False
# if descriptor_type == self.Type.ENTITY:
# try:
# validate(descriptor, Schemas.entity_schema)
# except ValidationError as ve:
# return False
return True
class Type(Enum):
'''
Descriptor types
'''
ENTITY = 0
IMAGE = 1
FLAVOR = 3
NETWORK = 4
PLUGIN = 5
class Node(object):
'''
Class: Node
This class encapsulates API for Nodes
'''
def __init__(self, connector=None, sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def list(self):
'''
Gets all nodes in the current system/tenant
returns
-------
string list
'''
nodes = self.connector.glob.actual.get_all_nodes(
self.sysid, self.tenantid)
return nodes
def info(self, node_uuid):
'''
Provides all information about the given node
parameters
----------
node_uuid : string
UUID of the node
returns
-------
dictionary
'''
if node_uuid is None:
return None
node_info = self.connector.glob.actual.get_node_info(
self.sysid, self.tenantid, node_uuid)
return node_info
def status(self, node_uuid):
'''
Provides all status information about the given node,
parameters
----------
node_uuid : string
UUID of the node
returns
-------
dictionary
'''
if node_uuid is None:
return None
node_status = self.connector.glob.actual.get_node_status(
self.sysid, self.tenantid, node_uuid)
return node_status
def plugins(self, node_uuid):
'''
Gets the list of plugins in the given node
parameters
----------
node_uuid : string
UUID of the node
returns
-------
string list
'''
plugins = self.connector.glob.actual.get_all_plugins_ids(
self.sysid, self.tenantid, node_uuid)
return plugins
def search(self, search_dict):
'''
Searches for nodes that satisfies the parameter
parameters
----------
search_dict : dictionary
search parameters
returns
-------
string list
'''
raise NotImplementedError("Not yet...")
class Plugin(object):
'''
Class: Plugin
This class encapsulates API for Plugins
'''
def __init__(self, connector=None, sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def add(self, descriptor, node_uuid):
'''
Adds the given plugin to the given node
parameters
----------
descriptor : dictionary
the plugin descriptor
node_uuid : string
UUID of the node
returns
-------
bool
'''
# descriptor.update({'status': 'add'})
# plugins = {'plugins': [descriptor]}
# plugins = json.dumps(plugins)
# if node_uuid is None:
# uri = '{}/*/plugins'.format(self.store.droot)
# else:
# uri = '{}/{}/plugins'.format(self.store.droot, node_uuid)
# res = self.store.desired.dput(uri, plugins)
# if res:
# return True
# else:
# return False
raise NotImplementedError("Not yet...")
def remove(self, plugin_uuid, node_uuid):
'''
Removes the given plugin from the given node
parameters
----------
plugin_uuid : string
UUID of the plugin
node_uuid : string
UUID of the node
returns
-------
bool
'''
raise NotImplementedError("Not yet...")
def info(self, plugin_uuid, node_uuid):
'''
Gets information about the given plugin in the given node
parameters
----------
plugin_uuid : string
UUID of the plugin
node_uuid : string
UUID of the node
returns
-------
dictionary
'''
return self.connector.glob.actual.get_plugin_info(
self.sysid, self.tenantid, node_uuid, plugin_uuid)
def search(self, search_dict, node_uuid=None):
'''
Searches for plugin that satisfies the parameter
parameters
----------
search_dict : dictionary
search parameters
node_uuid : string
optional node UUID where search
returns
-------
string list
'''
raise NotImplementedError("Not yet...")
class Network(object):
'''
Class: Plugin
This class encapsulates API for networks
'''
def __init__(self, connector=None, sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def add_network(self, descriptor):
'''
Registers a network in the system catalog
Needs at least one node in the system!
parameters
----------
descriptor : dictionary
network descriptor
returns
-------
bool
'''
descriptor.update({'status': 'add'})
net_id = descriptor.get('uuid')
self.connector.glob.desired.add_network(
self.sysid, self.tenantid, net_id, descriptor)
def remove_network(self, net_uuid):
'''
Removes the given network from the system catalog
Needs at least one node in the system!
parameters
----------
net_uuid : string
UUID of network
returns
-------
bool
'''
descriptor = self.connector.glob.actual.get_network(
self.sysid, self.tenantid, net_uuid)
if descriptor is None:
return
descriptor.update({'status': 'remove'})
self.connector.glob.desired.remove_network(
self.sysid, self.tenantid, net_uuid)
def add_network_to_node(self, descriptor, nodeid):
'''
Creates the given virtual network in the given node
parameters
----------
descriptor : dictionary
network descriptor
nodeid : string
UUID of node
returns
-------
dictionary
'''
net_id = descriptor.get('uuid')
net = self.connector.glob.actual.get_node_network(self.sysid, self.tenantid, nodeid, net_id)
if net is not None:
return net
res = self.connector.glob.actual.create_network_in_node(self.sysid, self.tenantid, nodeid, descriptor)
if res.get('error') is not None:
raise ValueError('Got Error {}'.format(res['error']))
return res['result']
def remove_network_from_node(self, netid, nodeid):
'''
Removes the given virtual network from the given node
parameters
----------
netid : string
network uuid
nodeid : string
UUID of node
returns
-------
dictionary
'''
res = self.connector.glob.actual.remove_network_from_node(self.sysid, self.tenantid, nodeid, netid)
if res.get('error') is not None:
raise ValueError('Got Error {}'.format(res['error']))
return res['result']
def add_connection_point(self, cp_descriptor):
'''
Registers a connection point in the system catalog
Needs at least one node in the system!
parameters
----------
descriptor : dictionary
connection descriptor
returns
-------
bool
'''
cp_descriptor.update({'status': 'add'})
cp_id = cp_descriptor.get('uuid')
self.connector.glob.desired.add_network_port(
self.sysid, self.tenantid, cp_id, cp_descriptor)
def delete_connection_point(self, cp_uuid):
'''
Removes the given connection point from the system catalog
Needs at least one node in the system!
parameters
----------
cp_uuid : string
UUID of connection point
returns
-------
bool
'''
descriptor = self.connector.glob.actual.get_network_port(
self.sysid, self.tenantid, cp_uuid)
descriptor.update({'status': 'remove'})
self.connector.glob.desired.add_network_port(
self.sysid, self.tenantid, cp_uuid, descriptor)
def connect_cp_to_network(self, cp_uuid, net_uuid):
'''
Connects the given connection point to the given network
parameters
----------
cp_uuid : string
UUID of the connection point
net_uuid : string
UUID of the virtual network
returns
-------
string
'''
ports = self.connector.glob.actual.get_all_nodes_network_ports(self.sysid, self.tenantid)
node = None
port_info = None
for p in ports:
n, pid = p
if pid == cp_uuid:
port_info = self.connector.glob.actual.get_node_network_port(self. sysid, self.tenantid, n, pid)
node = n
if node is None or port_info is None:
raise ValueError('Connection point {} not found'.format(cp_uuid))
res = self.connector.glob.actual.add_node_port_to_network(self.sysid, self.tenantid, node, port_info['uuid'], net_uuid)
if res.get('result') is not None:
return cp_uuid
raise ValueError('Error connecting: {}'.format(res['error']))
def disconnect_cp(self, cp_uuid):
'''
Disconnects the given connection point
parameters
----------
cp_uuid : string
UUID of connection point
returns
-------
string
'''
ports = self.connector.glob.actual.get_all_nodes_network_ports(self.sysid, self.tenantid)
node = None
port_info = None
for p in ports:
n, pid = p
if pid == cp_uuid:
port_info = self.connector.glob.actual.get_node_network_port(self. sysid, self.tenantid, n, pid)
node = n
if node is None or port_info is None:
raise ValueError('Connection point {} not found'.format(cp_uuid))
res = self.connector.glob.actual.remove_node_port_from_network(self.sysid, self.tenantid, node, port_info['uuid'])
if res.get('result') is not None:
return cp_uuid
raise ValueError('Error connecting: {}'.format(res['error']))
def add_router(self, nodeid, descriptor):
'''
Creates the given virtual router in the given node
parameters
----------
descriptor : dictionary
descriptor of the router
nodeid : string
UUID of the node
returns
-------
dictionary
'''
router_id = descriptor.get('uuid')
self.connector.glob.desired.add_node_network_router(
self.sysid, self.tenantid, nodeid, router_id, descriptor)
router_info = self.connector.glob.actual.get_node_network_router(
self.sysid, self.tenantid, nodeid, router_id)
while router_info is None:
router_info = self.connector.glob.actual.get_node_network_router(
self.sysid, self.tenantid, nodeid, router_id)
return router_info
def remove_router(self, node_id, router_id):
'''
Removes the given virtual router in the given node
parameters
----------
router_id : string
UUID of the router
node_id : string
UUID of the node
returns
-------
dictionary
'''
self.connector.glob.desired.remove_node_network_router(
self.sysid, self.tenantid, node_id, router_id)
def add_router_port(self, nodeid, router_id, port_type, vnet_id=None, ip_address=None):
'''
Adds a port to the given virtual router
parameters
----------
nodeid : string
UUID of the node
router_id : string
UUID of the virtual router
port_type : string
kind of the port to be added (INTERNAL, EXTERNAL)
vnet_id : string
eventual network to be connected
ip_address : string
eventual address for the new router port
returns
-------
dictionary
'''
if port_type.upper() not in ['EXTERNAL', 'INTERNAL']:
raise ValueError('port_type can be only one of : INTERNAL, EXTERNAL')
port_type = port_type.upper()
return self.connector.glob.actual.add_port_to_router(self.sysid, self.tenantid, nodeid, router_id, port_type, vnet_id, ip_address)
def remove_router_port(self, nodeid, router_id, vnet_id):
'''
Removes a port from the given router
parameters
----------
nodeid : string
UUID of the node
router_id : string
UUID of the virtual router
vnet_id : string
network to be disconnected
returns
-------
dictionary
'''
return self.connector.glob.actual.remove_port_from_router(self.sysid, self.tenantid, nodeid, router_id, vnet_id)
def create_floating_ip(self, nodeid):
'''
Creates a floating IP in the given node
parameters
----------
nodeid : string
UUID of the node
returns
-------
dictionary
'''
return self.connector.glob.actual.add_node_floatingip(self.sysid, self.tenantid, nodeid)
def delete_floating_ip(self, nodeid, ip_id):
'''
Deletes the given floating IP from the given node
parameters
----------
nodeid : string
UUID of the node
ip_id : string
UUID of the floating IP
returns
-------
dictionary
'''
return self.connector.glob.actual.remove_node_floatingip(self.sysid, self.tenantid, nodeid, ip_id)
def assign_floating_ip(self, nodeid, ip_id, cp_id):
'''
Assigns the given floating IP to the given conncetion point in the given node
parameters
----------
nodeid : string
UUID of the node
ip_id : string
UUID of the floating IP
cp_id : string
UUID of the connection point
returns
-------
dictionary
'''
return self.connector.glob.actual.assign_node_floating_ip(self.sysid, self.tenantid, nodeid, ip_id, cp_id)
def retain_floating_ip(self, nodeid, ip_id, cp_id):
'''
Retains the given floating IP from the given connection point in the given node
parameters
----------
nodeid : string
UUID of the node
ip_id : string
UUID of the floating IP
cp_id : string
UUID of the connection point
returns
-------
dictionary
'''
return self.connector.glob.actual.retain_node_floating_ip(self.sysid, self.tenantid, nodeid, ip_id, cp_id)
def list(self):
'''
Gets all networks registered in the system catalog
returns
-------
string list
'''
return self.connector.glob.actual.get_all_networks(
self.sysid, self.tenantid)
def search(self, search_dict, node_uuid=None):
'''
Searches for plugin that satisfies the parameter
parameters
----------
search_dict : dictionary
search parameters
node_uuid : string
optional node UUID where search
returns
-------
string list
'''
raise NotImplementedError("Not yet...")
class FDUAPI(object):
'''
Class: FDUAPI
This class encapsulates API for FDUs
'''
def __init__(self, connector=None, sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def __wait_node_fdu_state_change(self, instanceid, state):
'''
Waits an FDU instance state to change
parameters
----------
instanceid : string
UUID of instance
state : string
new state
returns
--------
dictionary
'''
fdu_info = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, '*', instanceid)
while fdu_info is None:
fdu_info = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, '*', instanceid)
fdu = InfraFDU(fdu_info)
es = fdu.get_status()
while es.upper() not in [state, 'ERROR']:
fdu_info = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, '*', instanceid)
fdu = InfraFDU(fdu_info)
es = fdu.get_status()
if es.upper() == 'ERROR':
raise ValueError('Unable to change state to {} for FDU Instance: {} Errno: {} Msg: {}'.format(
state, instanceid,fdu_info.get('error_code'), fdu_info.get('error_msg')))
return fdu_info
def onboard(self, descriptor):
'''
Registers an FDU descriptor in the system catalog
Needs at least one node in the system!
parameters
----------
descriptor : FDU
FDU descriptor
returns
-------
FDU
'''
if not isinstance(descriptor, FDU):
raise ValueError('descriptor should be of type FDU')
nodes = self.connector.glob.actual.get_all_nodes(self.sysid, self.tenantid)
if len(nodes) == 0:
raise SystemError('No nodes in the system!')
n = random.choice(nodes)
res = self.connector.glob.actual.onboard_fdu_from_node(self.sysid, self.tenantid, n, descriptor.get_uuid(), descriptor.to_json())
if res.get('result') is None:
raise SystemError('Error during onboarding {}'.format(res['error']))
return FDU(res['result'])
def offload(self, fdu_uuid):
'''
Removes the given FDU from the system catalog
Needs at least one node in the system!
parameters
----------
fdu_uuid : string
UUID of fdu
returns
--------
string
'''
res = self.connector.glob.desired.remove_catalog_fdu_info(
self.sysid, self.tenantid, fdu_uuid)
# if res.get('result') is None:
# raise SystemError('Error during onboarding {}'.format(res['error']))
return fdu_uuid
def define(self, fduid, node_uuid, wait=True):
'''
Defines the given fdu in the given node
Instance UUID is system-wide unique
parameters
----------
fduid : string
UUID of the FDU
node_uuid : string
UUID of the node
wait : bool
optional, call will block until FDU is defined
returns
-------
InfraFDU
'''
desc = self.connector.glob.actual.get_catalog_fdu_info(
self.sysid, self.tenantid, fduid)
if desc is None:
raise ValueError('FDU with this UUID not found in the catalog')
res = self.connector.glob.actual.define_fdu_in_node(self.sysid, self.tenantid, node_uuid, fduid)
if res.get('error') is not None:
raise ValueError('Got Error {}'.format(res['error']))
if wait:
self.__wait_node_fdu_state_change(res['result']['uuid'],'DEFINE')
return InfraFDU(res['result'])
def undefine(self, instanceid):
'''
Undefines the given instance
paremeters
----------
instanceid : string
UUID of instance
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('UNDEFINE')
fduid = record.get_fdu_id()
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
return instanceid
def configure(self, instanceid, wait=True):
'''
Configures the given instance
paremeters
----------
instanceid : string
UUID of instance
wait : bool
optional, call will block until FDU is configured
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('CONFIGURE')
fduid = record.get_fdu_id()
res = self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'CONFIGURE')
return instanceid
def clean(self, instanceid, wait=True):
'''
Cleans the given instance
paremeters
----------
instanceid : string
UUID of instance
wait : bool
optional, call will block until FDU is cleaned
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('CLEAN')
fduid = record.get_fdu_id()
res = self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'DEFINE')
return instanceid
def start(self, instanceid, wait=True):
'''
Starts the given instance
paremeters
----------
instanceid : string
UUID of instance
wait : bool
optional, call will block until FDU is started
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('RUN')
fduid = record.get_fdu_id()
res = self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return instanceid
def stop(self, instanceid, wait=True):
'''
Stops the given instance
paremeters
----------
instanceid : string
UUID of instance
wait : bool
optional, call will block until FDU is stopeed
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('STOP')
fduid = record.get_fdu_id()
res = self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'CONFIGURE')
return instanceid
def pause(self, instanceid, wait=True):
'''
Pauses the given instance
paremeters
----------
instanceid : string
UUID of instance
wait : bool
optional, call will block until FDU is paused
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('PAUSE')
fduid = record.get_fdu_id()
res = self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'PAUSE')
return instanceid
def resume(self, instanceid, wait=True):
'''
Resumes the given instance
paremeters
----------
instanceid : string
UUID of instance
wait : bool
optional, call will block until FDU is resumed
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
record = InfraFDU(record)
record.set_status('RESUME')
fduid = record.get_fdu_id()
res = self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid, node, fduid, instanceid, record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return instanceid
def migrate(self, instanceid, destination_node_uuid, wait=True):
'''
Migrates the given instance
paremeters
----------
instanceid : string
UUID of instance
destination_node_uuid : string
UUID of destination node
wait : bool
optional, call will block until FDU is migrated
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
src_record = InfraFDU(record)
dst_record = InfraFDU(record)
fduid = record.get_fdu_id()
src_record.set_status('TAKE_OFF')
dst_record.set_status('LAND')
src_record.set_migration_properties(node, destination_node_uuid)
dst_record.set_migration_properties(node, destination_node_uuid)
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
destination_node_uuid,
fduid, instanceid, dst_record.to_json())
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
node, fduid, instanceid, src_record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return instanceid
def instantiate(self, fduid, nodeid, wait=True):
'''
Instantiates the given fdu in the given node
This functions calls: define, configure, start
Instance UUID is system-wide unique
parameters
----------
fduid : string
UUID of the FDU
node_uuid : string
UUID of the node
wait : bool
optional, call will block until FDU is defined
returns
-------
InfraFDU
'''
instance_info = self.define(fduid, nodeid)
time.sleep(0.5)
instance_id = instance_info.get_uuid()
self.configure(instance_id)
time.sleep(0.5)
self.start(instance_id)
return instance_info
def terminate(self, instanceid, wait=True):
'''
Terminates the given instance
This function calls: stop, clean, undefine
paremeters
----------
instanceid : string
UUID of instance
returns
-------
string
'''
self.stop(instanceid)
self.clean(instanceid)
return self.undefine(instanceid)
def search(self, search_dict, node_uuid=None):
'''
Searches for flavors that satisfies the parameter
parameters
----------
search_dict : dictionary
search parameters
node_uuid : string
optional node UUID where search
returns
-------
string list
'''
raise NotImplementedError("Not yet...")
def info(self, fdu_uuid):
'''
Gets information about the given FDU from the catalog
parameters
----------
fdu_uuid : string
UUID of the FDU
returns
-------
FDU
'''
data = self.connector.glob.actual.get_catalog_fdu_info(self.sysid, self.tenantid, fdu_uuid)
fdu = FDU(data)
return fdu
def instance_info(self, instanceid):
'''
Gets information about the given instance
parameters
----------
instanceid : string
UUID of the instance
returns
-------
InfraFDU
'''
data = self.connector.glob.actual.get_node_fdu_instance(self.sysid, self.tenantid, '*', instanceid)
fdu = InfraFDU(data)
return fdu
def get_nodes(self, fdu_uuid):
'''
Gets all the node in which the given FDU is running
parameters
----------
fdu_uuid : string
UUID of the FDU
returns
-------
string list
'''
return self.connector.glob.actual.get_fdu_nodes(self.sysid, self.tenantid, fdu_uuid)
def list_node(self, node_uuid):
'''
Gets all the FDUs running in the given node
parameters
---------
node_uuid : string
UUID of the node
returns
-------
string list
'''
return self.connector.glob.actual.get_node_fdus(self.sysid, self.tenantid, node_uuid)
def instance_list(self, fduid):
'''
Gets all the instances of a given FDU
parameters
----------
fduid : string
UUID of the FDU
returns
-------
dictionary
{node_id: [instances list]}
'''
infos = self.connector.glob.actual.get_node_fdu_instances(
self.sysid, self.tenantid, '*', fduid)
nodes = list(dict.fromkeys(list(map( lambda x: x[0], infos))))
res = {}
for n in nodes:
insts = []
for ii in infos:
if ii[0] == n:
insts.append(ii[2])
res.update({n:insts})
return res
def list(self):
'''
Gets all the FDUs registered in the catalog
returns
-------
string list
'''
return self.connector.glob.actual.get_catalog_all_fdus(self.sysid, self.tenantid)
class Image(object):
'''
Class: Image
This class encapsulates API for Images
'''
def __init__(self, connector=None, sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def add(self, descriptor):
'''
Registers an image in the system catalog
Needs at least one not in the system
parameters
----------
descriptor : dictionary
image descriptor
returns
-------
string
'''
img_id = descriptor.get('uuid')
res = self.connector.glob.desired.add_image(self.sysid,
self.tenantid,img_id, descriptor)
return img_id
def get(self, image_uuid):
'''
Gets the information about the given image
parameters
----------
image_uuid : string
UUID of image
returns
-------
dictionary
'''
return self.connector.glob.desired.get_image(self.sysid,
self.tenantid,image_uuid)
def remove(self, image_uuid):
'''
Removes the given image from the system catalog
Needs at least one not in the system
parameters
----------
image_uuid : string
returns
-------
string
'''
ret = self.connector.glob.desired.remove_image(self.sysid,
self.tenantid, image_uuid)
return image_uuid
def search(self, search_dict, node_uuid=None):
'''
Searches for images that satisfies the parameter
parameters
----------
search_dict : dictionary
search parameters
node_uuid : string
optional node UUID where search
returns
-------
string list
'''
raise NotImplementedError("Not yet...")
def list(self):
'''
Gets all the images registered in the system catalog
returns
-------
string list
'''
return self.connector.glob.actual.get_all_images(self.sysid,
self.tenantid)
class Flavor(object):
'''
Class: Flavor
This class encapsulates API for Flavors
'''
def __init__(self, connector=None, sysid=Constants.default_system_id,
tenantid=Constants.default_tenant_id):
if connector is None:
raise RuntimeError('Yaks connector cannot be none in API!')
self.connector = connector
self.sysid = sysid
self.tenantid = tenantid
def add(self, descriptor):
'''
Registers a flavor in the system catalog
Needs at least one node in the system
parameters
----------
descriptor : dictionary
flavor descriptor
returns
-------
string
'''
flv_id = descriptor.get('uuid')
res = self.connector.glob.desired.add_flavor(self.sysid,
self.tenantid,flv_id, descriptor)
return flv_id
def get(self, flavor_uuid):
'''
Gets information about the given flavor
parameters
----------
flavor_uuid : string
UUID of flavor
returns
-------
dictionary
'''
return self.connector.glob.desired.get_flavor(self.sysid,
self.tenantid,flavor_uuid)
def remove(self, flavor_uuid):
'''
Removes the given flavor from the system catalog
Needs at least one node in the system
parameters
----------
flavor_uuid : string
UUID of flavor
returns
-------
string
'''
ret = self.connector.glob.desired.remove_flavor(self.sysid,
self.tenantid, flavor_uuid)
return flavor_uuid
def list(self):
'''
Gets all the flavors registered in the system catalog
returns
-------
string list
'''
return self.connector.glob.actual.get_all_flavors(self.sysid,
self.tenantid)
def search(self, search_dict, node_uuid=None):
'''
Searches for flavors that satisfies the parameter
parameters
----------
search_dict : dictionary
search parameters
node_uuid : string
optional node UUID where search
returns
-------
string list
'''
raise NotImplementedError("Not yet...")
