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#!/usr/bin/env python
#
# jose.lausuch@ericsson.com
# valentin.boucher@orange.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
# pylint: disable=missing-docstring
from __future__ import print_function
import logging
import re
import shutil
import subprocess
import sys
import dns.resolver
from six.moves import urllib
import yaml
from functest.utils import constants
from functest.utils import env
LOGGER = logging.getLogger(__name__)
# ----------------------------------------------------------
#
# INTERNET UTILS
#
# -----------------------------------------------------------
def check_internet_connectivity(url='http://www.opnfv.org/'):
"""
Check if there is access to the internet
"""
try:
urllib.request.urlopen(url, timeout=5)
return True
except urllib.error.URLError:
return False
def download_url(url, dest_path):
"""
Download a file to a destination path given a URL
"""
name = url.rsplit('/')[-1]
dest = dest_path + "/" + name
try:
response = urllib.request.urlopen(url)
except (urllib.error.HTTPError, urllib.error.URLError):
return False
with open(dest, 'wb') as lfile:
shutil.copyfileobj(response, lfile)
return True
# ----------------------------------------------------------
#
# CI UTILS
#
# -----------------------------------------------------------
def get_resolvconf_ns():
"""
Get nameservers from current resolv.conf
"""
nameservers = []
rconf = open("/etc/resolv.conf", "r")
line = rconf.readline()
resolver = dns.resolver.Resolver()
while line:
addr_ip = re.search(r"\b(?:[0-9]{1,3}\.){3}[0-9]{1,3}\b", line)
if addr_ip:
resolver.nameservers = [addr_ip.group(0)]
try:
result = resolver.query('opnfv.org')[0]
if result != "":
nameservers.append(addr_ip.group())
except dns.exception.Timeout:
pass
line = rconf.readline()
return nameservers
def get_ci_envvars():
"""
Get the CI env variables
"""
ci_env_var = {
"installer": env.get('INSTALLER_TYPE'),
"scenario": env.get('DEPLOY_SCENARIO')}
return ci_env_var
def execute_command_raise(cmd, info=False, error_msg="",
verbose=True, output_file=None):
ret = execute_command(cmd, info, error_msg, verbose, output_file)
if ret != 0:
raise Exception(error_msg)
def execute_command(cmd, info=False, error_msg="",
verbose=True, output_file=None):
if not error_msg:
error_msg = ("The command '%s' failed." % cmd)
msg_exec = ("Executing command: '%s'" % cmd)
if verbose:
if info:
LOGGER.info(msg_exec)
else:
LOGGER.debug(msg_exec)
popen = subprocess.Popen(
cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
if output_file:
ofd = open(output_file, "w")
for line in iter(popen.stdout.readline, b''):
if output_file:
ofd.write(line)
else:
line = line.replace('\n', '')
print (line)
sys.stdout.flush()
if output_file:
ofd.close()
popen.stdout.close()
returncode = popen.wait()
if returncode != 0:
if verbose:
LOGGER.error(error_msg)
return returncode
# ----------------------------------------------------------
#
# YAML UTILS
#
# -----------------------------------------------------------
def get_parameter_from_yaml(parameter, yfile):
"""
Returns the value of a given parameter in file.yaml
parameter must be given in string format with dots
Example: general.openstack.image_name
"""
with open(yfile) as yfd:
file_yaml = yaml.safe_load(yfd)
value = file_yaml
for element in parameter.split("."):
value = value.get(element)
if value is None:
raise ValueError("The parameter %s is not defined in"
" %s" % (parameter, yfile))
return value
def get_functest_config(parameter):
yaml_ = constants.CONST.__getattribute__('CONFIG_FUNCTEST_YAML')
return get_parameter_from_yaml(parameter, yaml_)
def get_functest_yaml():
# pylint: disable=bad-continuation
with open(constants.CONST.__getattribute__(
'CONFIG_FUNCTEST_YAML')) as yaml_fd:
functest_yaml = yaml.safe_load(yaml_fd)
return functest_yaml
def print_separator():
LOGGER.info("==============================================")
|
