76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# Copyright 2015 Hewlett-Packard Development Company, L.P.
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# Copyright 2017 AT&T Intellectual Property.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import random
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import requests
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import uuid
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_PROXY_SERVERS = {
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'http':
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os.getenv('HTTP_PROXY',
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os.getenv('http_proxy', 'http://proxy.example.com')),
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'https':
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os.getenv('HTTPS_PROXY',
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os.getenv('https_proxy', 'https://proxy.example.com'))
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}
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def rand_name(name='', prefix='pegleg'):
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"""Generate a random name that includes a random number
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:param str name: The name that you want to include
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:param str prefix: The prefix that you want to include
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:return: a random name. The format is
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'<prefix>-<name>-<random number>'.
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(e.g. 'prefixfoo-namebar-154876201')
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:rtype: string
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"""
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randbits = str(random.randint(1, 0x7fffffff))
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rand_name = randbits
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if name:
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rand_name = name + '-' + rand_name
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if prefix:
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rand_name = prefix + '-' + rand_name
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return rand_name
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def is_connected():
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"""Verifies whether network connectivity is up.
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:returns: True if connected else False.
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"""
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try:
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r = requests.get("http://www.github.com/", proxies={}, timeout=3)
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return r.ok
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except requests.exceptions.RequestException:
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return False
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def is_connected_behind_proxy():
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"""Verifies whether network connectivity is up behind given proxy.
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:returns: True if connected else False.
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"""
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try:
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r = requests.get(
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"http://www.github.com/", proxies=_PROXY_SERVERS, timeout=3)
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return r.ok
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except requests.exceptions.RequestException:
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return False
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