#
# Copyright 2018 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 2.6+ and Openssl 1.0+
#

import azurelinuxagent.common.utils.shellutil as shellutil
from azurelinuxagent.common.osutil.default import DefaultOSUtil


class ArchUtil(DefaultOSUtil):
    def __init__(self):
        super(ArchUtil, self).__init__()
        self.jit_enabled = True

    @staticmethod
    def get_systemd_unit_file_install_path():
        return "/usr/lib/systemd/system"

    @staticmethod
    def get_agent_bin_path():
        return "/usr/bin"
    
    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, ifname=None, retries=None, wait=None):
        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 {0}".format(self.service_name), chk_err=False)

    def stop_agent_service(self):
        return shellutil.run("systemctl stop {0}".format(self.service_name), chk_err=False)

    def get_dhcp_pid(self):
        return self._get_dhcp_pid(["pidof", "systemd-networkd"])

    def conf_sshd(self, disable_password):
        # Don't whack the system default sshd conf
        pass
