import os
import time
import json
+import re
+import subprocess
import sys
-import uuid
+
from copy import deepcopy
-from urlparse import urljoin
import pkg_resources
+import six
import yaml
-from functest.core import vnf
-from functest.opnfv_tests.openstack.snaps import snaps_utils
+from functest.core import singlevm
from functest.utils import config
-
-from snaps.config.flavor import FlavorConfig
-from snaps.config.image import ImageConfig
-from snaps.config.network import NetworkConfig, SubnetConfig
-from snaps.config.router import RouterConfig
-from snaps.config.security_group import (
- Direction, Protocol, SecurityGroupConfig, SecurityGroupRuleConfig)
-from snaps.config.user import UserConfig
-from snaps.openstack.create_flavor import OpenStackFlavor
-from snaps.openstack.create_image import OpenStackImage
-from snaps.openstack.create_network import OpenStackNetwork
-from snaps.openstack.create_router import OpenStackRouter
-from snaps.openstack.create_security_group import OpenStackSecurityGroup
-from snaps.openstack.create_user import OpenStackUser
-from snaps.openstack.utils import keystone_utils
-from snaps.openstack.utils import nova_utils
+from functest.utils import env
__author__ = "Amarendra Meher <amarendra@rebaca.com>"
__author__ = "Soumaya K Nayek <soumaya.nayek@rebaca.com>"
project-domain-name: {project_domain_n}
tenant-name: {tenant_n}"""
-CREDS_TEMPLATE3 = """credentials:
+CREDS_TEMPLATE = """credentials:
abot-epc:
default-credential: abot-epc
abot-epc:
username: {user_n}"""
-class JujuEpc(vnf.VnfOnBoarding):
+class JujuEpc(singlevm.VmReady2):
# pylint:disable=too-many-instance-attributes
"""Abot EPC deployed with JUJU Orchestrator Case"""
__logger = logging.getLogger(__name__)
+ filename = ('/home/opnfv/functest/images/'
+ 'ubuntu-16.04-server-cloudimg-amd64-disk1.img')
+ filename_alt = ('/home/opnfv/functest/images/'
+ 'ubuntu-14.04-server-cloudimg-amd64-disk1.img')
+
+ flavor_ram = 2048
+ flavor_vcpus = 1
+ flavor_disk = 10
+
+ flavor_alt_ram = 4096
+ flavor_alt_vcpus = 1
+ flavor_alt_disk = 10
+
+ juju_timeout = '3600'
+
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs["case_name"] = "juju_epc"
version=get_config("vnf_test_suite.version", self.config_file),
tag_name=get_config("vnf_test_suite.tag_name", self.config_file)
)
- self.public_auth_url = None
self.res_dir = os.path.join(
getattr(config.CONF, 'dir_results'), self.case_name)
- def _bypass_juju_network_discovery_bug(self, name):
- user_creator = OpenStackUser(
- self.snaps_creds,
- UserConfig(
- name=name, password=str(uuid.uuid4()),
- roles={'_member_': self.tenant_name}))
- user_creator.create()
- self.created_object.append(user_creator)
- return user_creator
+ try:
+ self.public_auth_url = self.get_public_auth_url(self.orig_cloud)
+ if not self.public_auth_url.endswith(('v3', 'v3/')):
+ self.public_auth_url = six.moves.urllib.parse.urljoin(
+ self.public_auth_url, 'v3')
+ except Exception: # pylint: disable=broad-except
+ self.public_auth_url = None
+ self.sec = None
+ self.image_alt = None
+ self.flavor_alt = None
+
+ def check_requirements(self):
+ if env.get('NEW_USER_ROLE').lower() == "admin":
+ self.__logger.warn(
+ "Defining NEW_USER_ROLE=admin will easily break the testcase "
+ "because Juju doesn't manage tenancy (e.g. subnet "
+ "overlapping)")
def _register_cloud(self):
+ assert self.public_auth_url
self.__logger.info("Creating Cloud for Abot-epc .....")
clouds_yaml = os.path.join(self.res_dir, "clouds.yaml")
cloud_data = {
'url': self.public_auth_url,
- 'region': self.snaps_creds.region_name}
+ 'region': self.cloud.region_name if self.cloud.region_name else (
+ 'RegionOne')}
with open(clouds_yaml, 'w') as yfile:
yfile.write(CLOUD_TEMPLATE.format(**cloud_data))
- if os.system(
- 'juju add-cloud abot-epc -f {} --replace'.format(clouds_yaml)):
- raise vnf.VnfPreparationException
-
- def _register_credentials_v2(self):
- self.__logger.info("Creating Credentials for Abot-epc .....")
- user_creator = self._bypass_juju_network_discovery_bug(
- 'juju_network_discovery_bug')
- snaps_creds = user_creator.get_os_creds(self.snaps_creds.project_name)
- credentials_yaml = os.path.join(self.res_dir, "credentials.yaml")
- creds_data = {
- 'pass': snaps_creds.password,
- 'tenant_n': snaps_creds.project_name,
- 'user_n': snaps_creds.username}
- with open(credentials_yaml, 'w') as yfile:
- yfile.write(CREDS_TEMPLATE2.format(**creds_data))
- if os.system(
- 'juju add-credential abot-epc -f {} --replace'.format(
- credentials_yaml)):
- raise vnf.VnfPreparationException
+ cmd = ['juju', 'add-cloud', 'abot-epc', '-f', clouds_yaml, '--replace']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
- def _register_credentials_v3(self):
+ def _register_credentials(self):
self.__logger.info("Creating Credentials for Abot-epc .....")
- user_creator = self._bypass_juju_network_discovery_bug(
- 'juju_network_discovery_bug')
- snaps_creds = user_creator.get_os_creds(self.snaps_creds.project_name)
credentials_yaml = os.path.join(self.res_dir, "credentials.yaml")
creds_data = {
- 'pass': snaps_creds.password,
- 'tenant_n': snaps_creds.project_name,
- 'user_n': snaps_creds.username,
- 'project_domain_n': snaps_creds.project_domain_name,
- 'user_domain_n': snaps_creds.user_domain_name}
+ 'pass': self.project.password,
+ 'tenant_n': self.project.project.name,
+ 'user_n': self.project.user.name,
+ 'project_domain_n': self.cloud.auth.get(
+ "project_domain_name", "Default"),
+ 'user_domain_n': self.cloud.auth.get(
+ "user_domain_name", "Default")}
with open(credentials_yaml, 'w') as yfile:
- yfile.write(CREDS_TEMPLATE3.format(**creds_data))
- if os.system(
- 'juju add-credential abot-epc -f {} --replace'.format(
- credentials_yaml)):
- raise vnf.VnfPreparationException
-
- def _add_custom_rule(self, sec_grp_name):
- """ To add custom rule for SCTP Traffic """
- sec_grp_rules = list()
- sec_grp_rules.append(
- SecurityGroupRuleConfig(
- sec_grp_name=sec_grp_name, direction=Direction.ingress,
- protocol=Protocol.sctp))
- security_group = OpenStackSecurityGroup(
- self.snaps_creds,
- SecurityGroupConfig(
- name=sec_grp_name,
- rule_settings=sec_grp_rules))
- security_group.create()
- self.created_object.append(security_group)
+ yfile.write(CREDS_TEMPLATE.format(**creds_data))
+ cmd = ['juju', 'add-credential', 'abot-epc', '-f', credentials_yaml,
+ '--replace']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
def prepare(self):
"""Prepare testcase (Additional pre-configuration steps)."""
+ assert self.public_auth_url
self.__logger.info("Additional pre-configuration steps")
- super(JujuEpc, self).prepare()
try:
os.makedirs(self.res_dir)
except OSError as ex:
if ex.errno != errno.EEXIST:
self.__logger.exception("Cannot create %s", self.res_dir)
- raise vnf.VnfPreparationException
- self.public_auth_url = keystone_utils.get_endpoint(
- self.snaps_creds, 'identity')
- # it enforces a versioned public identity endpoint as juju simply
- # adds /auth/tokens wich fails vs an unversioned endpoint.
- if not self.public_auth_url.endswith(('v3', 'v3/', 'v2.0', 'v2.0/')):
- self.public_auth_url = urljoin(self.public_auth_url, 'v3')
+ raise Exception
+
+ self.__logger.info("ENV:\n%s", env.string())
self._register_cloud()
- if self.snaps_creds.identity_api_version == 3:
- self._register_credentials_v3()
- else:
- self._register_credentials_v2()
+ self._register_credentials()
+
+ def publish_image(self, name=None):
+ image = super(JujuEpc, self).publish_image(name)
+ cmd = ['juju', 'metadata', 'generate-image', '-d', '/root',
+ '-i', image.id, '-s', 'xenial',
+ '-r', self.cloud.region_name if self.cloud.region_name else (
+ 'RegionOne'),
+ '-u', self.public_auth_url]
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ return image
+
+ def publish_image_alt(self, name=None):
+ image_alt = super(JujuEpc, self).publish_image_alt(name)
+ cmd = ['juju', 'metadata', 'generate-image', '-d', '/root',
+ '-i', image_alt.id, '-s', 'trusty',
+ '-r', self.cloud.region_name if self.cloud.region_name else (
+ 'RegionOne'),
+ '-u', self.public_auth_url]
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ return image_alt
def deploy_orchestrator(self): # pylint: disable=too-many-locals
"""
Bootstrap juju
"""
- self.__logger.info("Deployed Orchestrator")
- private_net_name = getattr(
- config.CONF, 'vnf_{}_private_net_name'.format(self.case_name))
- private_subnet_name = '{}-{}'.format(
- getattr(config.CONF,
- 'vnf_{}_private_subnet_name'.format(self.case_name)),
- self.uuid)
- private_subnet_cidr = getattr(
- config.CONF, 'vnf_{}_private_subnet_cidr'.format(self.case_name))
- abot_router = '{}-{}'.format(
- getattr(config.CONF,
- 'vnf_{}_external_router'.format(self.case_name)),
- self.uuid)
- self.__logger.info("Creating full network ...")
- subnet_settings = SubnetConfig(
- name=private_subnet_name, cidr=private_subnet_cidr)
- network_settings = NetworkConfig(
- name=private_net_name, subnet_settings=[subnet_settings])
- network_creator = OpenStackNetwork(self.snaps_creds, network_settings)
- net_id = network_creator.create().id
- self.created_object.append(network_creator)
-
- ext_net_name = snaps_utils.get_ext_net_name(self.snaps_creds)
- self.__logger.info("Creating network Router ....")
- router_creator = OpenStackRouter(
- self.snaps_creds, RouterConfig(
- name=abot_router,
- external_gateway=ext_net_name,
- internal_subnets=[subnet_settings.name]))
- router_creator.create()
- self.created_object.append(router_creator)
- self.__logger.info("Creating Flavor ....")
- flavor_settings = FlavorConfig(
- name=self.orchestrator['requirements']['flavor']['name'],
- ram=self.orchestrator['requirements']['flavor']['ram_min'],
- disk=10, vcpus=1)
- flavor_creator = OpenStackFlavor(self.snaps_creds, flavor_settings)
- flavor_creator.create()
- self.created_object.append(flavor_creator)
- self.__logger.info("Upload some OS images if it doesn't exist")
- images = get_config("tenant_images", self.config_file)
- self.__logger.info("Images needed for vEPC: %s", images)
- for image_name, image_file in images.iteritems():
- self.__logger.info("image: %s, file: %s", image_name, image_file)
- if image_file and image_name:
- image_creator = OpenStackImage(self.snaps_creds, ImageConfig(
- name=image_name, image_user='cloud', img_format='qcow2',
- image_file=image_file))
- image_id = image_creator.create().id
- os.system(
- 'juju metadata generate-image -d ~ -i {} -s {} -r '
- '{} -u {}'.format(
- image_id, image_name, self.snaps_creds.region_name,
- self.public_auth_url))
- self.created_object.append(image_creator)
- self.__logger.info("Network ID : %s", net_id)
- juju_bootstrap_command = (
- 'juju bootstrap abot-epc abot-controller --config network={} '
- '--metadata-source ~ --config ssl-hostname-verification=false '
- '--constraints mem=2G --bootstrap-series xenial '
- '--config use-floating-ip=true --debug '
- '--config use-default-secgroup=true'.format(net_id))
- os.system(juju_bootstrap_command)
+ self.image_alt = self.publish_image_alt()
+ self.flavor_alt = self.create_flavor_alt()
+ self.__logger.info("Starting Juju Bootstrap process...")
+ try:
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout,
+ 'juju', 'bootstrap',
+ 'abot-epc/{}'.format(
+ self.cloud.region_name if self.cloud.region_name else (
+ 'RegionOne')),
+ 'abot-controller',
+ '--agent-version', '2.2.9',
+ '--metadata-source', '/root',
+ '--constraints', 'mem=2G',
+ '--bootstrap-series', 'xenial',
+ '--config', 'network={}'.format(self.network.id),
+ '--config', 'ssl-hostname-verification=false',
+ '--config', 'use-floating-ip=true',
+ '--config', 'use-default-secgroup=true',
+ '--debug']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ except subprocess.CalledProcessError as cpe:
+ self.__logger.error(
+ "Exception with Juju Bootstrap: %s\n%s",
+ cpe.cmd, cpe.output)
+ return False
+ except Exception: # pylint: disable=broad-except
+ self.__logger.exception("Some issue with Juju Bootstrap ...")
+ return False
+
return True
+ def check_app(self, name='abot-epc-basic', status='active'):
+ """Check application status."""
+ cmd = ['juju', 'status', '--format', 'short', name]
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ ret = re.search(r'(?=workload:({})\))'.format(status), output)
+ if ret:
+ self.__logger.info("%s workload is %s", name, status)
+ return True
+ self.__logger.error("%s workload differs from %s", name, status)
+ return False
+
def deploy_vnf(self):
"""Deploy ABOT-OAI-EPC."""
self.__logger.info("Upload VNFD")
descriptor = self.vnf['descriptor']
- self.__logger.info("Get or create flavor for all Abot-EPC")
- flavor_settings = FlavorConfig(
- name=self.vnf['requirements']['flavor']['name'],
- ram=self.vnf['requirements']['flavor']['ram_min'],
- disk=10,
- vcpus=1)
- flavor_creator = OpenStackFlavor(self.snaps_creds, flavor_settings)
- flavor_creator.create()
- self.created_object.append(flavor_creator)
self.__logger.info("Deploying Abot-epc bundle file ...")
- os.system('juju deploy {}'.format('/' + descriptor.get('file_name')))
+ cmd = ['juju', 'deploy', '{}'.format(descriptor.get('file_name'))]
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
self.__logger.info("Waiting for instances .....")
- status = os.system('juju-wait')
- self.__logger.info("juju wait completed: %s", status)
- self.__logger.info("Deployed Abot-epc on Openstack")
- nova_client = nova_utils.nova_client(self.snaps_creds)
- if status == 0:
- instances = get_instances(nova_client)
- self.__logger.info("List of Instance: %s", instances)
- for items in instances:
- metadata = get_instance_metadata(nova_client, items)
- if 'juju-units-deployed' in metadata:
- sec_group = ('juju-' +
- metadata['juju-controller-uuid'] +
- '-' + metadata['juju-model-uuid'])
- self.__logger.info("Instance: %s", sec_group)
- break
- self.__logger.info("Adding Security group rule....")
- # This will add sctp rule to a common Security Group Created
- # by juju and shared to all deployed units.
- self._add_custom_rule(sec_group)
- self.__logger.info("Copying the feature files to Abot_node ")
- os.system('juju scp -- -r {}/featureFiles abot-'
- 'epc-basic/0:~/'.format(self.case_dir))
- self.__logger.info("Copying the feature files in Abot_node ")
- os.system("juju ssh abot-epc-basic/0 'sudo rsync -azvv "
- "~/featureFiles /etc/rebaca-test-suite"
- "/featureFiles'")
- count = 0
- while count < 10:
- epcstatus = os.system('juju status oai-epc | '
- 'grep {} | grep {} | grep {}'
- .format('EPC', 'is', 'running'))
- if epcstatus == 0:
- break
- else:
- time.sleep(60)
- count = count + 1
- os.system('juju-wait')
- return True
- return False
+ try:
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout, 'juju-wait']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ self.__logger.info("Deployed Abot-epc on Openstack")
+ except subprocess.CalledProcessError as cpe:
+ self.__logger.error(
+ "Exception with Juju VNF Deployment: %s\n%s",
+ cpe.cmd, cpe.output)
+ return False
+ except Exception: # pylint: disable=broad-except
+ self.__logger.exception("Some issue with the VNF Deployment ..")
+ return False
+
+ self.__logger.info("Checking status of ABot and EPC units ...")
+ cmd = ['juju', 'status']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.debug("%s\n%s", " ".join(cmd), output)
+ for app in ['abot-epc-basic', 'oai-epc', 'oai-hss']:
+ if not self.check_app(app):
+ return False
+
+ self.__logger.info("Transferring the feature files to Abot_node ...")
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout,
+ 'juju', 'scp', '--', '-r', '-v',
+ '{}/featureFiles'.format(self.case_dir), 'abot-epc-basic/0:~/']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+
+ self.__logger.info("Copying the feature files within Abot_node ")
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout,
+ 'juju', 'ssh', 'abot-epc-basic/0',
+ 'sudo', 'cp', '-vfR', '~/featureFiles/*',
+ '/etc/rebaca-test-suite/featureFiles']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ return True
def test_vnf(self):
"""Run test on ABoT."""
start_time = time.time()
self.__logger.info("Running VNF Test cases....")
- os.system('juju run-action abot-epc-basic/0 run '
- 'tagnames={}'.format(self.details['test_vnf']['tag_name']))
- os.system('juju-wait')
+ cmd = ['juju', 'run-action', 'abot-epc-basic/0', 'run',
+ 'tagnames={}'.format(self.details['test_vnf']['tag_name'])]
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout, 'juju-wait']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+
duration = time.time() - start_time
self.__logger.info("Getting results from Abot node....")
- os.system('juju scp abot-epc-basic/0:/var/lib/abot-'
- 'epc-basic/artifacts/TestResults.json {}/.'
- .format(self.case_dir))
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout,
+ 'juju', 'scp', '--', '-v',
+ 'abot-epc-basic/0:'
+ '/var/lib/abot-epc-basic/artifacts/TestResults.json',
+ '{}/.'.format(self.res_dir)]
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
self.__logger.info("Parsing the Test results...")
- res = (process_abot_test_result('{}/TestResults.'
- 'json'.format(self.case_dir)))
+ res = (process_abot_test_result('{}/TestResults.json'.format(
+ self.res_dir)))
short_result = sig_test_format(res)
self.__logger.info(short_result)
- self.details['test_vnf'].update(status='PASS',
- result=short_result,
- full_result=res,
- duration=duration)
-
- self.__logger.info("Test VNF result: Passed: %d, Failed:"
- "%d, Skipped: %d", short_result['passed'],
- short_result['failures'], short_result['skipped'])
+ self.details['test_vnf'].update(
+ status='PASS', result=short_result, full_result=res,
+ duration=duration)
+ self.__logger.info(
+ "Test VNF result: Passed: %d, Failed:%d, Skipped: %d",
+ short_result['passed'],
+ short_result['failures'], short_result['skipped'])
return True
+ def run(self, **kwargs):
+ self.start_time = time.time()
+ try:
+ assert super(JujuEpc, self).run(**kwargs) == self.EX_OK
+ self.prepare()
+ if (self.deploy_orchestrator() and
+ self.deploy_vnf() and
+ self.test_vnf()):
+ self.stop_time = time.time()
+ self.result = 100
+ return self.EX_OK
+ self.result = 0
+ self.stop_time = time.time()
+ return self.EX_TESTCASE_FAILED
+ except Exception: # pylint: disable=broad-except
+ self.stop_time = time.time()
+ self.__logger.exception("Exception on VNF testing")
+ return self.EX_TESTCASE_FAILED
+
def clean(self):
"""Clean created objects/functions."""
try:
- if not self.orchestrator['requirements']['preserve_setup']:
- self.__logger.info("Removing deployment files...")
- testresult = os.path.join(self.case_dir, 'TestResults.json')
- if os.path.exists(testresult):
- os.remove(testresult)
- self.__logger.info("Destroying Orchestrator...")
- os.system('juju destroy-controller -y abot-controller '
- '--destroy-all-models')
+ cmd = ['juju', 'debug-log', '--replay', '--no-tail']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.debug("%s\n%s", " ".join(cmd), output)
+ self.__logger.info("Destroying Orchestrator...")
+ cmd = ['timeout', '-t', JujuEpc.juju_timeout,
+ 'juju', 'destroy-controller', '-y', 'abot-controller',
+ '--destroy-all-models']
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
+ self.__logger.info("%s\n%s", " ".join(cmd), output)
+ except subprocess.CalledProcessError as cpe:
+ self.__logger.error(
+ "Exception with Juju Cleanup: %s\n%s",
+ cpe.cmd, cpe.output)
except Exception: # pylint: disable=broad-except
- self.__logger.warn("Some issue during the undeployment ..")
- self.__logger.warn("Tenant clean continue ..")
-
- if not self.orchestrator['requirements']['preserve_setup']:
- self.__logger.info('Remove the Abot_epc OS object ..')
- super(JujuEpc, self).clean()
-
- return True
+ self.__logger.exception("General issue during the undeployment ..")
+ for fip in self.cloud.list_floating_ips():
+ self.cloud.delete_floating_ip(fip.id)
+ super(JujuEpc, self).clean()
+ if self.image_alt:
+ self.cloud.delete_image(self.image_alt)
+ if self.flavor_alt:
+ self.orig_cloud.delete_flavor(self.flavor_alt.id)
# ----------------------------------------------------------
for steps in flatten_steps:
steps['result'] = steps['step_status']
res.append(steps)
- except:
+ except Exception: # pylint: disable=broad-except
logging.error("Could not post data to ElasticSearch host")
raise
return res
raise
return obj
-
-
-def get_instances(nova_client):
- """ To get all vm info of a project """
- try:
- instances = nova_client.servers.list()
- return instances
- except Exception as exc: # pylint: disable=broad-except
- logging.error("Error [get_instances(nova_client)]: %s", exc)
- return None
-
-
-def get_instance_metadata(nova_client, instance):
- """ Get instance Metadata - Instance ID """
- try:
- instance = nova_client.servers.get(instance.id)
- return instance.metadata
- except Exception as exc: # pylint: disable=broad-except
- logging.error("Error [get_instance_status(nova_client)]: %s", exc)
- return None