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#!/usr/bin/env python
##############################################################################
# Copyright (c) 2018 Huawei Technologies Co.,Ltd and others.
#
# 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 os
import utils.logger as log
from kubernetes import client, watch
LOG = log.Logger(__name__).getLogger()
INSTALLER_TYPE = os.getenv("INSTALLER_TYPE")
def get_config_path(INSTALLER_TYPE=None, CONFIG_PATH="/tmp/k8s_config"):
if INSTALLER_TYPE:
CMD = "bash k8s_config_pre.sh -i " + INSTALLER_TYPE + \
" -c " + CONFIG_PATH
LOG.info("Executing command: " + CMD)
CONFIG_PATH = os.popen(CMD)
else:
if not os.path.exists(CONFIG_PATH):
raise Exception("Must at least specify the path \
of k8s config!")
return CONFIG_PATH
def get_core_api(version='v1'):
if version.lower() == 'v1':
API = client.CoreV1Api()
LOG.info(API)
else:
raise Exception("Must input a validate verison!")
return API
def watch_namespace(namespace, count=3, stop=None, request_timeout=0):
w = watch.Watch()
LOG.debug("Watch object generated: {}".format(w))
LOG.info("Watch stream generated: {}".format(
w.stream(namespace, _request_timeout=request_timeout)))
for event in w.stream(namespace, _request_timeout=request_timeout):
LOG.info("Event: %s %s" %
(event['type'], event['object'].metadata.name))
if event['object'].metadata.name == stop:
LOG.info("Namesapce successfully added.\n")
w.stop()
count -= 1
if not count:
LOG.info("Ended.\n")
w.stop()
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