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#
# Copyright 2014 Microsoft Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Requires Python 2.4+ and Openssl 1.0+
#
import os
import azurelinuxagent.common.utils.shellutil as shellutil
from azurelinuxagent.common.osutil.default import DefaultOSUtil
class CoreOSUtil(DefaultOSUtil):
def __init__(self):
super(CoreOSUtil, self).__init__()
self.agent_conf_file_path = '/usr/share/oem/waagent.conf'
self.waagent_path = '/usr/share/oem/bin/waagent'
self.python_path = '/usr/share/oem/python/bin'
if 'PATH' in os.environ:
path = "{0}:{1}".format(os.environ['PATH'], self.python_path)
else:
path = self.python_path
os.environ['PATH'] = path
if 'PYTHONPATH' in os.environ:
py_path = os.environ['PYTHONPATH']
py_path = "{0}:{1}".format(py_path, self.waagent_path)
else:
py_path = self.waagent_path
os.environ['PYTHONPATH'] = py_path
def is_sys_user(self, username):
# User 'core' is not a sysuser.
if username == 'core':
return False
return super(CoreOSUtil, self).is_sys_user(username)
def is_dhcp_enabled(self):
return True
def start_network(self):
return shellutil.run("systemctl start systemd-networkd", chk_err=False)
def restart_if(self, *dummy, **_):
shellutil.run("systemctl restart systemd-networkd")
def restart_ssh_service(self):
# SSH is socket activated on CoreOS. No need to restart it.
pass
def stop_dhcp_service(self):
return shellutil.run("systemctl stop systemd-networkd", chk_err=False)
def start_dhcp_service(self):
return shellutil.run("systemctl start systemd-networkd", chk_err=False)
def start_agent_service(self):
return shellutil.run("systemctl start waagent", chk_err=False)
def stop_agent_service(self):
return shellutil.run("systemctl stop waagent", chk_err=False)
def get_dhcp_pid(self):
ret = shellutil.run_get_output("systemctl show -p MainPID "
"systemd-networkd", chk_err=False)
pid = ret[1].split('=', 1)[-1].strip() if ret[0] == 0 else None
return pid if pid != '0' else None
def conf_sshd(self, disable_password):
# In CoreOS, /etc/sshd_config is mount readonly. Skip the setting.
pass
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