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##############################################################################
# Copyright (c) 2017 Huawei Technologies Co.,Ltd.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging
from kubernetes import client
from kubernetes import config
from kubernetes.client.rest import ApiException
from yardstick.common import constants as consts
LOG = logging.getLogger(__name__)
LOG.setLevel(logging.DEBUG)
def get_core_api(): # pragma: no cover
try:
config.load_kube_config(config_file=consts.K8S_CONF_FILE)
except IOError:
LOG.exception('config file not found')
raise
return client.CoreV1Api()
def get_node_list(**kwargs): # pragma: no cover
core_v1_api = get_core_api()
try:
return core_v1_api.list_node(**kwargs)
except ApiException:
LOG.exception('Get node list failed')
raise
def create_service(template,
namespace='default',
wait=False,
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
metadata = client.V1ObjectMeta(**template.get('metadata', {}))
ports = [client.V1ServicePort(**port) for port in
template.get('spec', {}).get('ports', [])]
template['spec']['ports'] = ports
spec = client.V1ServiceSpec(**template.get('spec', {}))
service = client.V1Service(metadata=metadata, spec=spec)
try:
core_v1_api.create_namespaced_service('default', service)
except ApiException:
LOG.exception('Create Service failed')
raise
def delete_service(name,
namespace='default',
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
try:
core_v1_api.delete_namespaced_service(name, namespace, **kwargs)
except ApiException:
LOG.exception('Delete Service failed')
def get_service_list(namespace='default', **kwargs):
core_v1_api = get_core_api()
try:
return core_v1_api.list_namespaced_service(namespace, **kwargs)
except ApiException:
LOG.exception('Get Service list failed')
raise
def get_service_by_name(name): # pragma: no cover
service_list = get_service_list()
return next((s.spec for s in service_list.items if s.metadata.name == name), None)
def create_replication_controller(template,
namespace='default',
wait=False,
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
try:
core_v1_api.create_namespaced_replication_controller(namespace,
template,
**kwargs)
except ApiException:
LOG.exception('Create replication controller failed')
raise
def delete_replication_controller(name,
namespace='default',
wait=False,
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
body = kwargs.get('body', client.V1DeleteOptions())
kwargs.pop('body', None)
try:
core_v1_api.delete_namespaced_replication_controller(name,
namespace,
body,
**kwargs)
except ApiException:
LOG.exception('Delete replication controller failed')
raise
def delete_pod(name,
namespace='default',
wait=False,
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
body = kwargs.get('body', client.V1DeleteOptions())
kwargs.pop('body', None)
try:
core_v1_api.delete_namespaced_pod(name,
namespace,
body,
**kwargs)
except ApiException:
LOG.exception('Delete pod failed')
raise
def read_pod(name,
namespace='default',
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
try:
resp = core_v1_api.read_namespaced_pod(name, namespace, **kwargs)
except ApiException:
LOG.exception('Read pod failed')
raise
else:
return resp
def read_pod_status(name, namespace='default', **kwargs): # pragma: no cover
return read_pod(name).status.phase
def create_config_map(name,
data,
namespace='default',
wait=False,
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
metadata = client.V1ObjectMeta(name=name)
body = client.V1ConfigMap(data=data, metadata=metadata)
try:
core_v1_api.create_namespaced_config_map(namespace, body, **kwargs)
except ApiException:
LOG.exception('Create config map failed')
raise
def delete_config_map(name,
namespace='default',
wait=False,
**kwargs): # pragma: no cover
core_v1_api = get_core_api()
body = kwargs.get('body', client.V1DeleteOptions())
kwargs.pop('body', None)
try:
core_v1_api.delete_namespaced_config_map(name,
namespace,
body,
**kwargs)
except ApiException:
LOG.exception('Delete config map failed')
raise
def get_pod_list(namespace='default'): # pragma: no cover
core_v1_api = get_core_api()
try:
return core_v1_api.list_namespaced_pod(namespace=namespace)
except ApiException:
LOG.exception('Get pod list failed')
raise
def get_pod_by_name(name): # pragma: no cover
pod_list = get_pod_list()
return next((n for n in pod_list.items if n.metadata.name.startswith(name)), None)
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