import logging.handlers
import functools
import traceback
+from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
import ROclient
from lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase
artifacts=None,
)
- def vnfd2RO(self, vnfd, new_id=None):
+ def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
"""
Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
:param vnfd: input vnfd
:param new_id: overrides vnf id if provided
+ :param additionalParams: Instantiation params for VNFs provided
+ :param nsrId: Id of the NSR
:return: copy of vnfd
"""
- ci_file = None
try:
vnfd_RO = deepcopy(vnfd)
+ # remove unused by RO configuration, monitoring, scaling and internal keys
vnfd_RO.pop("_id", None)
vnfd_RO.pop("_admin", None)
+ vnfd_RO.pop("vnf-configuration", None)
+ vnfd_RO.pop("monitoring-param", None)
+ vnfd_RO.pop("scaling-group-descriptor", None)
if new_id:
vnfd_RO["id"] = new_id
- for vdu in vnfd_RO.get("vdu", ()):
- if "cloud-init-file" in vdu:
+
+ # parse cloud-init or cloud-init-file with the provided variables using Jinja2
+ for vdu in get_iterable(vnfd_RO, "vdu"):
+ cloud_init_file = None
+ if vdu.get("cloud-init-file"):
base_folder = vnfd["_admin"]["storage"]
- clout_init_file = "{}/{}/cloud_init/{}".format(
- base_folder["folder"],
- base_folder["pkg-dir"],
- vdu["cloud-init-file"]
- )
- ci_file = self.fs.file_open(clout_init_file, "r")
- # TODO: detect if binary or text. Propose to read as binary and try to decode to utf8. If fails
- # convert to base 64 or similar
- clout_init_content = ci_file.read()
- ci_file.close()
- ci_file = None
+ cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
+ vdu["cloud-init-file"])
+ with self.fs.file_open(cloud_init_file, "r") as ci_file:
+ cloud_init_content = ci_file.read()
vdu.pop("cloud-init-file", None)
- vdu["cloud-init"] = clout_init_content
- # remnove unused by RO configuration, monitoring, scaling
- vnfd_RO.pop("vnf-configuration", None)
- vnfd_RO.pop("monitoring-param", None)
- vnfd_RO.pop("scaling-group-descriptor", None)
+ elif vdu.get("cloud-init"):
+ cloud_init_content = vdu["cloud-init"]
+ else:
+ continue
+
+ env = Environment()
+ ast = env.parse(cloud_init_content)
+ mandatory_vars = meta.find_undeclared_variables(ast)
+ if mandatory_vars:
+ for var in mandatory_vars:
+ if not additionalParams or var not in additionalParams.keys():
+ raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
+ "file, must be provided in the instantiation parameters inside the "
+ "'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"]))
+ template = Template(cloud_init_content)
+ cloud_init_content = template.render(additionalParams)
+ vdu["cloud-init"] = cloud_init_content
+
return vnfd_RO
except FsException as e:
- raise LcmException("Error reading file at vnfd {}: {} ".format(vnfd["_id"], e))
- finally:
- if ci_file:
- ci_file.close()
+ raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
+ format(vnfd["id"], vdu[id], cloud_init_file, e))
+ except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e:
+ raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
+ format(vnfd["id"], vdu["id"], e))
def n2vc_callback(self, model_name, application_name, status, message, n2vc_info, task=None):
"""
nslcmop_operation_state = None
db_vnfrs = {}
RO_descriptor_number = 0 # number of descriptors created at RO
- descriptor_id_2_RO = {} # map between vnfd/nsd id to the id used at RO
+ vnf_index_2_RO_id = {} # map between vnfd/nsd id to the id used at RO
n2vc_info = {}
exc = None
try:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
# get vnfds, instantiate at RO
- for vnfd_id, vnfd in db_vnfds.items():
+ for c_vnf in nsd.get("constituent-vnfd", ()):
+ member_vnf_index = c_vnf["member-vnf-index"]
vnfd_ref = vnfd["id"]
step = db_nsr_update["detailed-status"] = "Creating vnfd={} at RO".format(vnfd_ref)
# self.logger.debug(logging_text + step)
- vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, vnfd_ref[:23])
- descriptor_id_2_RO[vnfd_ref] = vnfd_id_RO
+ vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
+ vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO
RO_descriptor_number += 1
# look if present
self.logger.debug(logging_text + "vnfd={} exists at RO. Using RO_id={}".format(
vnfd_ref, vnfd_list[0]["uuid"]))
else:
- vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO)
+ vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
+ get("additionalParamsForVnf"), nsr_id)
desc = await RO.create("vnfd", descriptor=vnfd_RO)
db_nsr_update["_admin.deployed.RO.vnfd_id.{}".format(vnfd_id)] = desc["uuid"]
self.logger.debug(logging_text + "vnfd={} created at RO. RO_id={}".format(
# self.logger.debug(logging_text + step)
RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
- descriptor_id_2_RO[nsd_ref] = RO_osm_nsd_id
RO_descriptor_number += 1
nsd_list = await RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
if nsd_list:
nsd_RO.pop("_id", None)
nsd_RO.pop("_admin", None)
for c_vnf in nsd_RO.get("constituent-vnfd", ()):
- vnfd_id = c_vnf["vnfd-id-ref"]
- c_vnf["vnfd-id-ref"] = descriptor_id_2_RO[vnfd_id]
+ member_vnf_index = c_vnf["member-vnf-index"]
+ c_vnf["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
+ for c_vld in nsd_RO.get("vld", ()):
+ for cp in c_vld.get("vnfd-connection-point-ref", ()):
+ member_vnf_index = cp["member-vnf-index-ref"]
+ cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
+
desc = await RO.create("nsd", descriptor=nsd_RO)
db_nsr_update["_admin.nsState"] = "INSTANTIATED"
db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"]
# The parameters we'll need to deploy a charm
number_to_configure = 0
- def deploy_charm(vnf_index, vdu_id, vdu_name, vdu_count_index, mgmt_ip_address, n2vc_info,
- config_primitive=None):
+ def deploy_charm(vnf_index, vdu_id, vdu_name, vdu_count_index, charm_params, n2vc_info):
"""An inner function to deploy the charm from either vnf or vdu
vnf_index is mandatory. vdu_id can be None for a vnf configuration or the id for vdu configuration
"""
- if not mgmt_ip_address:
+ if not charm_params["rw_mgmt_ip"]:
raise LcmException("vnfd/vdu has not management ip address to configure it")
# Login to the VCA.
# if number_to_configure == 0:
proxy_charm
)
- # Setup the runtime parameters for this VNF
- params = {'rw_mgmt_ip': mgmt_ip_address}
- if config_primitive:
- params["initial-config-primitive"] = config_primitive
-
# ns_name will be ignored in the current version of N2VC
# but will be implemented for the next point release.
model_name = "default" # TODO bug 585 nsr_id
application_name, # The application name
vnfd, # The vnf descriptor
charm_path, # Path to charm
- params, # Runtime params, like mgmt ip
+ charm_params, # Runtime params, like mgmt ip
{}, # for native charms only
self.n2vc_callback, # Callback for status changes
- n2vc_info, # Callback parameter
+ n2vc_info, # Callback parameter
None, # Callback parameter (task)
)
)
vnf_index = str(c_vnf["member-vnf-index"])
vnfd = db_vnfds_ref[vnfd_id]
+ # Get additional parameters
+ vnfr_params = {}
+ if db_vnfrs[vnf_index].get("additionalParamsForVnf"):
+ vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy()
+ for k, v in vnfr_params.items():
+ if isinstance(v, str) and v.startswith("!!yaml "):
+ vnfr_params[k] = yaml.safe_load(v[7:])
+
# Check if this VNF has a charm configuration
vnf_config = vnfd.get("vnf-configuration")
-
if vnf_config and vnf_config.get("juju"):
proxy_charm = vnf_config["juju"]["charm"]
- config_primitive = None
if proxy_charm:
- if 'initial-config-primitive' in vnf_config:
- config_primitive = vnf_config['initial-config-primitive']
+ step = "connecting to N2VC to configure vnf {}".format(vnf_index)
+ vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"]
+ charm_params = {
+ "user_values": vnfr_params,
+ "rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"],
+ "initial-config-primitive": vnf_config.get('initial-config-primitive') or {}
+ }
# Login to the VCA. If there are multiple calls to login(),
# subsequent calls will be a nop and return immediately.
- step = "connecting to N2VC to configure vnf {}".format(vnf_index)
await self.n2vc.login()
- deploy_charm(vnf_index, None, None, None, db_vnfrs[vnf_index]["ip-address"], n2vc_info,
- config_primitive)
+ deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info)
number_to_configure += 1
# Deploy charms for each VDU that supports one.
for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')):
vdu_config = vdu.get('vdu-configuration')
proxy_charm = None
- config_primitive = None
if vdu_config and vdu_config.get("juju"):
proxy_charm = vdu_config["juju"]["charm"]
- if 'initial-config-primitive' in vdu_config:
- config_primitive = vdu_config['initial-config-primitive']
-
if proxy_charm:
step = "connecting to N2VC to configure vdu {} from vnf {}".format(vdu["id"], vnf_index)
await self.n2vc.login()
if vdur["vdu-id-ref"] != vdu["id"]:
raise LcmException("Mismatch vdur {}, vdu {} at index {} for vnf {}"
.format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index))
+ vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
+ charm_params = {
+ "user_values": vnfr_params,
+ "rw_mgmt_ip": vdur["ip-address"],
+ "initial-config-primitive": vdu_config.get('initial-config-primitive') or {}
+ }
deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"],
- vdur["ip-address"], n2vc_info, config_primitive)
+ charm_params, n2vc_info)
number_to_configure += 1
db_nsr_update["operational-status"] = "running"
self.update_db_2("nsrs", nsr_id, db_nsr_update)
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
- # TODO add a fake tast that set n2vc_event after some time
+ # TODO add a fake task that set n2vc_event after some time
await n2vc_info["n2vc_event"].wait()
n2vc_info["n2vc_event"].clear()
all_active = True
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
- "operationState": nslcmop_operation_state})
+ "operationState": nslcmop_operation_state},
+ loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
- "operationState": nslcmop_operation_state})
+ "operationState": nslcmop_operation_state},
+ loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
- "operationState": nslcmop_operation_state})
+ "operationState": nslcmop_operation_state},
+ loop=self.loop)
except Exception as e:
self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
self.logger.debug(logging_text + "Exit")
if nslcmop_operation_state:
try:
await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
- "operationState": nslcmop_operation_state})
+ "operationState": nslcmop_operation_state},
+ loop=self.loop)
# if cooldown_time:
# await asyncio.sleep(cooldown_time)
# await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})
projects / osm / LCM.git / blobdiff