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author | Daniel Watkins <daniel.watkins@canonical.com> | 2016-09-13 16:11:47 +0100 |
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committer | usd-importer <ubuntu-server@lists.ubuntu.com> | 2016-09-14 10:39:12 +0000 |
commit | 5009a9d0f3606fc08a80ec0d59076d8dc48d2f25 (patch) | |
tree | ad67eef74c5208178950db6ee28195e2137fa713 /azurelinuxagent/pa/deprovision/default.py | |
parent | 0f7cef5b52162d1ebb31a738bd8fc9febe1fbda6 (diff) | |
download | vyos-walinuxagent-5009a9d0f3606fc08a80ec0d59076d8dc48d2f25.tar.gz vyos-walinuxagent-5009a9d0f3606fc08a80ec0d59076d8dc48d2f25.zip |
Import patches-unapplied version 2.1.5-0ubuntu1 to ubuntu/yakkety-proposed
Imported using git-ubuntu import.
Changelog parent: 0f7cef5b52162d1ebb31a738bd8fc9febe1fbda6
New changelog entries:
* New upstream release (LP: #1603581)
- d/patches/disable-auto-update.patch:
- The new version introduces auto-updating of the agent to its latest
version via an internal mechanism; disable this
- d/patches/fix_shebangs.patch:
- Dropped in favour of the dh_python3 --shebang option.
- Refreshed d/patches/disable_udev_overrides.patch
Diffstat (limited to 'azurelinuxagent/pa/deprovision/default.py')
-rw-r--r-- | azurelinuxagent/pa/deprovision/default.py | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/azurelinuxagent/pa/deprovision/default.py b/azurelinuxagent/pa/deprovision/default.py new file mode 100644 index 0000000..b570c31 --- /dev/null +++ b/azurelinuxagent/pa/deprovision/default.py @@ -0,0 +1,131 @@ +# Microsoft Azure Linux Agent +# +# 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 azurelinuxagent.common.conf as conf +from azurelinuxagent.common.exception import ProtocolError +from azurelinuxagent.common.future import read_input +import azurelinuxagent.common.utils.fileutil as fileutil +import azurelinuxagent.common.utils.shellutil as shellutil +from azurelinuxagent.common.osutil import get_osutil +from azurelinuxagent.common.protocol import get_protocol_util + +class DeprovisionAction(object): + def __init__(self, func, args=[], kwargs={}): + self.func = func + self.args = args + self.kwargs = kwargs + + def invoke(self): + self.func(*self.args, **self.kwargs) + +class DeprovisionHandler(object): + def __init__(self): + self.osutil = get_osutil() + self.protocol_util = get_protocol_util() + + def del_root_password(self, warnings, actions): + warnings.append("WARNING! root password will be disabled. " + "You will not be able to login as root.") + + actions.append(DeprovisionAction(self.osutil.del_root_password)) + + def del_user(self, warnings, actions): + + try: + ovfenv = self.protocol_util.get_ovf_env() + except ProtocolError: + warnings.append("WARNING! ovf-env.xml is not found.") + warnings.append("WARNING! Skip delete user.") + return + + username = ovfenv.username + warnings.append(("WARNING! {0} account and entire home directory " + "will be deleted.").format(username)) + actions.append(DeprovisionAction(self.osutil.del_account, + [username])) + + + def regen_ssh_host_key(self, warnings, actions): + warnings.append("WARNING! All SSH host key pairs will be deleted.") + actions.append(DeprovisionAction(shellutil.run, + ['rm -f /etc/ssh/ssh_host_*key*'])) + + def stop_agent_service(self, warnings, actions): + warnings.append("WARNING! The waagent service will be stopped.") + actions.append(DeprovisionAction(self.osutil.stop_agent_service)) + + def del_files(self, warnings, actions): + files_to_del = ['/root/.bash_history', '/var/log/waagent.log'] + actions.append(DeprovisionAction(fileutil.rm_files, files_to_del)) + + def del_dhcp_lease(self, warnings, actions): + warnings.append("WARNING! Cached DHCP leases will be deleted.") + dirs_to_del = ["/var/lib/dhclient", "/var/lib/dhcpcd", "/var/lib/dhcp"] + actions.append(DeprovisionAction(fileutil.rm_dirs, dirs_to_del)) + + # For Freebsd + actions.append(DeprovisionAction(fileutil.rm_files, ["/var/db/dhclient.leases.hn0"])) + + def del_lib_dir(self, warnings, actions): + dirs_to_del = [conf.get_lib_dir()] + actions.append(DeprovisionAction(fileutil.rm_dirs, dirs_to_del)) + + def reset_hostname(self, warnings, actions): + localhost = ["localhost.localdomain"] + actions.append(DeprovisionAction(self.osutil.set_hostname, + localhost)) + actions.append(DeprovisionAction(self.osutil.set_dhcp_hostname, + localhost)) + + def setup(self, deluser): + warnings = [] + actions = [] + + self.stop_agent_service(warnings, actions) + if conf.get_regenerate_ssh_host_key(): + self.regen_ssh_host_key(warnings, actions) + + self.del_dhcp_lease(warnings, actions) + self.reset_hostname(warnings, actions) + + if conf.get_delete_root_password(): + self.del_root_password(warnings, actions) + + self.del_lib_dir(warnings, actions) + self.del_files(warnings, actions) + + if deluser: + self.del_user(warnings, actions) + + return warnings, actions + + def run(self, force=False, deluser=False): + warnings, actions = self.setup(deluser) + for warning in warnings: + print(warning) + + if not force: + confirm = read_input("Do you want to proceed (y/n)") + if not confirm.lower().startswith('y'): + return + + for action in actions: + action.invoke() + + |