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#!/usr/bin/env python
#
# jose.lausuch@ericsson.com
# valentin.boucher@orange.com
# grakiss.wanglei@huawei.com
# 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 sys
import os
import re
import subprocess
from collections import Mapping, Set, Sequence
import json
import urllib2
from datetime import datetime
from distutils.version import LooseVersion
def exec_log(verbose, logger, msg, level, flush=False):
if not verbose:
return
if logger:
if level == 'info':
logger.info(msg)
elif level == 'error':
logger.error(msg)
elif level == 'debug':
logger.debug(msg)
else:
pass
else:
print(msg)
if flush:
sys.stdout.flush()
def exec_cmd(cmd, logger=None, exit_on_error=False, info=False,
exec_msg_on=True, err_msg="", verbose=True):
msg_err = ("The command '%s' failed." % cmd) if not err_msg else err_msg
msg_exec = ("Executing command: '%s'" % cmd)
level = 'info' if info else 'debug'
if exec_msg_on:
exec_log(verbose, logger, msg_exec, level)
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout = ''
# count = 1
# DEBUG = os.getenv('DEBUG')
for line in iter(p.stdout.readline, b''):
exec_log(verbose, logger, line.strip(), level, True)
stdout += line
# if DEBUG is None or DEBUG.lower() != "true":
# show_progress_bar(count)
# count += 1
stdout = stdout.strip()
returncode = p.wait()
p.stdout.close()
if returncode != 0:
exec_log(verbose, logger, msg_err, 'error')
if exit_on_error:
sys.exit(1)
return returncode, stdout
# walkthrough the object, yield path and value
# dual python 2/3 compatability, inspired by the "six" library
string_types = (str, unicode) if str is bytes else (str, bytes)
# iteritems = lambda mapping: getattr(mapping, 'iteritems', mapping.items)()
def iteritems(mapping):
return getattr(mapping, 'iteritems', mapping.items)()
def objwalk(obj, path=(), memo=None):
if memo is None:
memo = set()
iterator = None
if isinstance(obj, Mapping):
iterator = iteritems
elif isinstance(obj, (Sequence, Set)) and not isinstance(obj,
string_types):
iterator = enumerate
if iterator:
if id(obj) not in memo:
memo.add(id(obj))
for path_component, value in iterator(obj):
for result in objwalk(value, path + (path_component,), memo):
yield result
memo.remove(id(obj))
else:
yield path, obj
def get_obj_by_path(obj, dst_path):
for path, obj in objwalk(obj):
if path == dst_path:
return obj
def source_env(env_file):
with open(env_file, 'r') as f:
lines = f.readlines()
for line in lines:
if line.lstrip().startswith('export'):
for match in re.findall(r"export (.*)=(.*)", line):
match = (match[0].strip('\"'), match[1].strip('\"'))
match = (match[0].strip('\''), match[1].strip('\''))
os.environ.update({match[0]: match[1]})
def check_https_enabled(logger=None):
logger.debug("Checking if https enabled or not...")
os_auth_url = os.getenv('OS_AUTH_URL')
if os_auth_url.startswith('https'):
logger.debug("https is enabled")
return True
logger.debug("https is not enabled")
return False
def get_ext_net_name(env_file, logger=None):
https_enabled = check_https_enabled(logger)
insecure_option = ''
insecure = os.getenv('OS_INSECURE',)
if https_enabled:
logger.info("https enabled...")
if insecure:
if insecure.lower() == "true":
insecure_option = ' --insecure '
else:
logger.warn("Env variable OS_INSECURE is {}, if https + no "
"credential used, should be set as True."
.format(insecure))
cmd_check = "openstack %s network list" % insecure_option
ret, msg = exec_cmd(cmd_check, logger)
if ret:
logger.error("The credentials info in {} is invalid.".format(env_file))
return None
cmd = "openstack %s network list --long | grep 'External' | head -1 | \
awk '{print $4}'" % insecure_option
ret, msg = exec_cmd(cmd, logger)
if not ret:
return msg
return None
def store_db_results(db_url, build_tag, testcase, dest_file, logger):
url = "%s?build_tag=%s-%s" % (db_url, build_tag, testcase)
logger.debug("Query to rest api: {}".format(url))
try:
data = json.load(urllib2.urlopen(url))
if data['results']:
with open(dest_file, 'a') as f:
f.write(json.dumps(data['results'][0]) + '\n')
return True
else:
return False
except Exception as e:
logger.exception(
"Cannot read content from {}, exception: {}".format(url, e))
return False
def get_duration(start_date, stop_date, logger):
fmt = '%Y-%m-%d %H:%M:%S'
try:
datetime_start = datetime.strptime(start_date, fmt)
datetime_stop = datetime.strptime(stop_date, fmt)
delta = (datetime_stop - datetime_start).seconds
res = "%sm%ss" % (delta / 60, delta % 60)
return res
except ValueError as e:
logger.exception("ValueError: {}".format(e))
return None
def show_progress_bar(length):
max_len = 50
length %= max_len
sys.stdout.write('Running ' + ' ' * max_len + '\r')
sys.stdout.flush()
sys.stdout.write('Running ' + '.' * length + '\r')
sys.stdout.flush()
def check_docker_version(logger=None):
server_ret, server_ver = \
exec_cmd("sudo docker version -f'{{.Server.Version}}'", logger=logger)
client_ret, client_ver = \
exec_cmd("sudo docker version -f'{{.Client.Version}}'", logger=logger)
if server_ret == 0:
logger.debug("docker server version: {}".format(server_ver))
if server_ret != 0 or (LooseVersion(server_ver) < LooseVersion('1.12.3')):
logger.error("Don't support this Docker server version. "
"Docker server should be updated to at least 1.12.3.")
if client_ret == 0:
logger.debug("docker client version: {}".format(client_ver))
if client_ret != 0 or (LooseVersion(client_ver) < LooseVersion('1.12.3')):
logger.error("Don't support this Docker client version. "
"Docker client should be updated to at least 1.12.3.")
def add_hosts_info(hosts_info):
hosts_file = '/etc/hosts'
with open(hosts_file, 'a') as f:
f.write("{}\n".format(hosts_info))
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