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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 commands
import json
import utils.logger as log
from kubernetes import client, watch
LOG = log.Logger(__name__).getLogger()
INSTALLER_TYPE = os.getenv("INSTALLER_TYPE")
K8S_UTILS = "/home/opnfv/bottlenecks/utils/k8s_setup"
def get_config_path(INSTALLER_TYPE=None, K8S_CONFIG_PATH="/tmp/k8s_config"):
if INSTALLER_TYPE:
CMD = "bash " + K8S_UTILS + "/k8s_config_pre.sh -i " \
+ INSTALLER_TYPE + \
" -c " + K8S_CONFIG_PATH
LOG.info("Executing command: " + CMD)
os.popen(CMD)
else:
if not os.path.exists(K8S_CONFIG_PATH):
raise Exception("Must at least specify the path \
of k8s config!")
return K8S_CONFIG_PATH
def get_core_api(version='v1'):
if version.lower() == 'v1':
API = client.CoreV1Api()
LOG.info(API)
else:
raise Exception("Must input a valid verison!")
return API
def get_apps_api(version='v1'):
if version.lower() == 'v1':
API = client.AppsV1Api()
LOG.info(API)
else:
raise Exception("Must input a valid verison!")
return API
def get_namespace_status(namespace):
CMD = ("kubectl get ns | grep %s" % namespace)
namespace_existed = commands.getstatusoutput(CMD)
return namespace_existed
def get_deployment_status(name, namespace):
CMD = ("kubectl get deployment --namespace={} | grep {}".format(
namespace, name))
deployment_existed = commands.getstatusoutput(CMD)
return deployment_existed
def get_available_pods(name, namespace):
CMD = ("kubectl get deployment --namespace={} | grep {}".format(
namespace, name) + " | awk '{print $5}'")
available_pods = commands.getstatusoutput(CMD)
return int(available_pods[1])
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()
def write_json(data, file_name):
with open(file_name, "a") as f:
f.write(json.dumps(data, f))
f.write("\n")
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