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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
import yaml
import python_hosts
from dovetail_config import DovetailConfig as dt_cfg
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(ip, hostnames):
hosts = python_hosts.Hosts(path='/etc/hosts')
new_entry = python_hosts.HostsEntry(entry_type='ipv4',
address=ip,
names=hostnames)
hosts.add([new_entry])
hosts.write()
def get_hardware_info(logger=None):
pod_file = os.path.join(dt_cfg.dovetail_config['config_dir'],
dt_cfg.dovetail_config['pod_file'])
logger.info("Get hardware info of all nodes list in file {} ..."
.format(pod_file))
result_dir = dt_cfg.dovetail_config['result_dir']
info_file_path = os.path.join(result_dir, 'sut_hardware_info')
all_info_file = os.path.join(result_dir, 'all_hosts_info.json')
inventory_file = os.path.join(result_dir, 'inventory.ini')
if not get_inventory_file(pod_file, inventory_file, logger):
logger.error("Failed to get SUT hardware info.")
return None
ret, msg = exec_cmd("cd /home/opnfv/dovetail/dovetail/userconfig "
"&& ansible all -m setup -i {} --tree {}"
.format(inventory_file, info_file_path), verbose=False)
if not os.path.exists(info_file_path) or ret != 0:
logger.error("Failed to get SUT hardware info.")
return None
if not combine_files(info_file_path, all_info_file, logger):
logger.error("Failed to get all hardware info.")
return None
logger.info("Hardware info of all nodes are stored in file {}."
.format(all_info_file))
return all_info_file
def get_inventory_file(pod_file, inventory_file, logger=None):
if not os.path.isfile(pod_file):
logger.error("File {} doesn't exist.".format(pod_file))
return False
try:
with open(pod_file, 'r') as f, open(inventory_file, 'w') as out_f:
pod_info = yaml.safe_load(f)
for host in pod_info['nodes']:
host_info = ('{} ansible_host={} ansible_user={}'
.format(host['name'], host['ip'], host['user']))
if 'password' in host.keys():
host_info += (' ansible_ssh_pass={}\n'
.format(host['password']))
elif 'key_filename' in host.keys():
key = os.path.join(dt_cfg.dovetail_config['config_dir'],
'id_rsa')
host_info += (' ansible_ssh_private_key_file={}\n'
.format(key))
else:
logger.error('No password or key_filename in file {}.'
.format(pod_file))
return False
out_f.write(host_info)
logger.debug("Ansible inventory file is {}.".format(inventory_file))
return True
except KeyError as e:
logger.exception("KeyError {}.".format(e))
return False
except Exception:
logger.exception("Failed to read file {}.".format(pod_file))
return False
def combine_files(file_path, result_file, logger=None):
all_info = {}
info_files = os.listdir(file_path)
for info_file in info_files:
try:
absolute_file_path = os.path.join(file_path, info_file)
with open(absolute_file_path, 'r') as f:
all_info[info_file] = json.load(f)
except Exception:
logger.error("Failed to read file {}.".format(absolute_file_path))
return None
try:
with open(result_file, 'w') as f:
f.write(json.dumps(all_info))
except Exception:
logger.exception("Failed to write file {}.".format(result_file))
return None
return result_file
def get_openstack_endpoint(logger=None):
https_enabled = check_https_enabled(logger)
insecure_option = ''
insecure = os.getenv('OS_INSECURE',)
if https_enabled:
if insecure:
if insecure.lower() == "true":
insecure_option = ' --insecure '
cmd = ("openstack {} endpoint list --interface admin -f json"
.format(insecure_option))
ret, msg = exec_cmd(cmd, logger, verbose=False)
if ret != 0:
logger.error("Failed to get the endpoint info.")
return None
result_file = os.path.join(dt_cfg.dovetail_config['result_dir'],
'endpoint_info.json')
try:
with open(result_file, 'w') as f:
f.write(msg)
logger.debug("Record all endpoint info into file {}."
.format(result_file))
return result_file
except Exception:
logger.exception("Failed to write endpoint info into file.")
return None
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