abd07978e0
Use oslo.rootwrap to replace the default root_helper sudo. Change-Id: I5875cd647a4cc4f60f3058a98ea8a829cf056c43 Implements: blueprint astara-rootwrap
60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
# Copyright 2014 DreamHost, LLC
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#
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# Author: DreamHost, LLC
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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 netaddr
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from astara_router.drivers import base
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from astara_router import utils
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class PingManager(base.Manager):
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"""
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A class which provide a facade to the system ping utility. Supports both
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IPv4 and IPv6.
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"""
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exe_map = {
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4: 'ping',
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6: 'ping6'
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}
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def __init__(self, root_helper='sudo astara-rootwrap /etc/rootwrap.conf'):
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"""
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Initializes PingManager class.
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:type root_helper: str
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:param root_helper: System utility to escalate privileges.
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"""
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super(PingManager, self).__init__(root_helper)
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def do(self, ip):
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"""
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Sends a single ICMP packet to <ip> using the systems ping utility.
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:type ip: str
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:param ip: The IP address to send ICMP packets to.
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:rtype: bool. If <ip> responds to the ICMP packet, returns True else,
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returns False
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"""
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version = netaddr.IPAddress(ip).version
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args = ['-c', '1', ip]
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try:
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utils.execute([self.exe_map.get(version)] + args)
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return True
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except RuntimeError:
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return False
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