mirror of
https://github.com/clearlinux/WALinuxAgent.git
synced 2026-09-03 12:21:33 +00:00
100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
#
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# Copyright 2014 Microsoft Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Requires Python 2.4+ and Openssl 1.0+
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#
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import time
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import azurelinuxagent.common.logger as logger
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import azurelinuxagent.common.utils.shellutil as shellutil
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from azurelinuxagent.common.osutil.default import DefaultOSUtil
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class Ubuntu14OSUtil(DefaultOSUtil):
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def __init__(self):
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super(Ubuntu14OSUtil, self).__init__()
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def start_network(self):
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return shellutil.run("service networking start", chk_err=False)
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def stop_agent_service(self):
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return shellutil.run("service walinuxagent stop", chk_err=False)
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def start_agent_service(self):
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return shellutil.run("service walinuxagent start", chk_err=False)
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def remove_rules_files(self, rules_files=""):
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pass
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def restore_rules_files(self, rules_files=""):
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pass
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def get_dhcp_lease_endpoint(self):
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return self.get_endpoint_from_leases_path('/var/lib/dhcp/dhclient.*.leases')
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class Ubuntu12OSUtil(Ubuntu14OSUtil):
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def __init__(self):
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super(Ubuntu12OSUtil, self).__init__()
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# Override
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def get_dhcp_pid(self):
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ret = shellutil.run_get_output("pidof dhclient3", chk_err=False)
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return ret[1] if ret[0] == 0 else None
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class Ubuntu16OSUtil(Ubuntu14OSUtil):
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"""
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Ubuntu 16.04, 16.10, and 17.04.
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"""
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def __init__(self):
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super(Ubuntu16OSUtil, self).__init__()
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def register_agent_service(self):
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return shellutil.run("systemctl unmask walinuxagent", chk_err=False)
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def unregister_agent_service(self):
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return shellutil.run("systemctl mask walinuxagent", chk_err=False)
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class UbuntuOSUtil(Ubuntu16OSUtil):
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def __init__(self):
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super(UbuntuOSUtil, self).__init__()
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def restart_if(self, ifname, retries=3, wait=5):
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"""
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Restart an interface by bouncing the link. systemd-networkd observes
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this event, and forces a renew of DHCP.
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"""
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retry_limit=retries+1
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for attempt in range(1, retry_limit):
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return_code=shellutil.run("ip link set {0} down && ip link set {0} up".format(ifname))
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if return_code == 0:
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return
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logger.warn("failed to restart {0}: return code {1}".format(ifname, return_code))
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if attempt < retry_limit:
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logger.info("retrying in {0} seconds".format(wait))
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time.sleep(wait)
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else:
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logger.warn("exceeded restart retries")
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class UbuntuSnappyOSUtil(Ubuntu14OSUtil):
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def __init__(self):
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super(UbuntuSnappyOSUtil, self).__init__()
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self.conf_file_path = '/apps/walinuxagent/current/waagent.conf'
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