diff options
Diffstat (limited to 'library/system/hostname')
| -rwxr-xr-x | library/system/hostname | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/library/system/hostname b/library/system/hostname deleted file mode 100755 index a426b59136..0000000000 --- a/library/system/hostname +++ /dev/null @@ -1,445 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- - -# (c) 2013, Hiroaki Nakamura <hnakamur@gmail.com> -# -# This file is part of Ansible -# -# Ansible is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# Ansible is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with Ansible. If not, see <http://www.gnu.org/licenses/>. - -DOCUMENTATION = ''' ---- -module: hostname -author: Hiroaki Nakamura -version_added: "1.4" -short_description: Manage hostname -requirements: [ hostname ] -description: - - Set system's hostname - - Currently implemented on Debian, Ubuntu, Fedora, RedHat, openSUSE, Linaro, ScientificLinux, Arch, CentOS, AMI. -options: - name: - required: true - description: - - Name of the host -''' - -EXAMPLES = ''' -- hostname: name=web01 -''' - -from distutils.version import LooseVersion - -# import module snippets -from ansible.module_utils.basic import * - - -# wrap get_distribution_version in case it returns a string -def _get_distribution_version(): - distribution_version = get_distribution_version() - - if type(distribution_version) is str: - distribution_version = 0 - elif type(distribution_version) is None: - distribution_version = 0 - - return distribution_version - - -class UnimplementedStrategy(object): - def __init__(self, module): - self.module = module - - def get_current_hostname(self): - self.unimplemented_error() - - def set_current_hostname(self, name): - self.unimplemented_error() - - def get_permanent_hostname(self): - self.unimplemented_error() - - def set_permanent_hostname(self, name): - self.unimplemented_error() - - def unimplemented_error(self): - platform = get_platform() - distribution = get_distribution() - if distribution is not None: - msg_platform = '%s (%s)' % (platform, distribution) - else: - msg_platform = platform - self.module.fail_json( - msg='hostname module cannot be used on platform %s' % msg_platform) - -class Hostname(object): - """ - This is a generic Hostname manipulation class that is subclassed - based on platform. - - A subclass may wish to set different strategy instance to self.strategy. - - All subclasses MUST define platform and distribution (which may be None). - """ - - platform = 'Generic' - distribution = None - strategy_class = UnimplementedStrategy - - def __new__(cls, *args, **kwargs): - return load_platform_subclass(Hostname, args, kwargs) - - def __init__(self, module): - self.module = module - self.name = module.params['name'] - self.strategy = self.strategy_class(module) - - def get_current_hostname(self): - return self.strategy.get_current_hostname() - - def set_current_hostname(self, name): - self.strategy.set_current_hostname(name) - - def get_permanent_hostname(self): - return self.strategy.get_permanent_hostname() - - def set_permanent_hostname(self, name): - self.strategy.set_permanent_hostname(name) - -class GenericStrategy(object): - """ - This is a generic Hostname manipulation strategy class. - - A subclass may wish to override some or all of these methods. - - get_current_hostname() - - get_permanent_hostname() - - set_current_hostname(name) - - set_permanent_hostname(name) - """ - def __init__(self, module): - self.module = module - - HOSTNAME_CMD = '/bin/hostname' - - def get_current_hostname(self): - cmd = [self.HOSTNAME_CMD] - rc, out, err = self.module.run_command(cmd) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - return out.strip() - - def set_current_hostname(self, name): - cmd = [self.HOSTNAME_CMD, name] - rc, out, err = self.module.run_command(cmd) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - - def get_permanent_hostname(self): - return None - - def set_permanent_hostname(self, name): - pass - - -# =========================================== - -class DebianStrategy(GenericStrategy): - """ - This is a Debian family Hostname manipulation strategy class - it edits - the /etc/hostname file. - """ - - HOSTNAME_FILE = '/etc/hostname' - - def get_permanent_hostname(self): - if not os.path.isfile(self.HOSTNAME_FILE): - try: - open(self.HOSTNAME_FILE, "a").write("") - except IOError, err: - self.module.fail_json(msg="failed to write file: %s" % - str(err)) - try: - f = open(self.HOSTNAME_FILE) - try: - return f.read().strip() - finally: - f.close() - except Exception, err: - self.module.fail_json(msg="failed to read hostname: %s" % - str(err)) - - def set_permanent_hostname(self, name): - try: - f = open(self.HOSTNAME_FILE, 'w+') - try: - f.write("%s\n" % name) - finally: - f.close() - except Exception, err: - self.module.fail_json(msg="failed to update hostname: %s" % - str(err)) - - -# =========================================== - -class RedHatStrategy(GenericStrategy): - """ - This is a Redhat Hostname strategy class - it edits the - /etc/sysconfig/network file. - """ - NETWORK_FILE = '/etc/sysconfig/network' - - def get_permanent_hostname(self): - try: - f = open(self.NETWORK_FILE, 'rb') - try: - for line in f.readlines(): - if line.startswith('HOSTNAME'): - k, v = line.split('=') - return v.strip() - finally: - f.close() - except Exception, err: - self.module.fail_json(msg="failed to read hostname: %s" % - str(err)) - - def set_permanent_hostname(self, name): - try: - lines = [] - found = False - f = open(self.NETWORK_FILE, 'rb') - try: - for line in f.readlines(): - if line.startswith('HOSTNAME'): - lines.append("HOSTNAME=%s\n" % name) - found = True - else: - lines.append(line) - finally: - f.close() - if not found: - lines.append("HOSTNAME=%s\n" % name) - f = open(self.NETWORK_FILE, 'w+') - try: - f.writelines(lines) - finally: - f.close() - except Exception, err: - self.module.fail_json(msg="failed to update hostname: %s" % - str(err)) - - -# =========================================== - -class FedoraStrategy(GenericStrategy): - """ - This is a Fedora family Hostname manipulation strategy class - it uses - the hostnamectl command. - """ - - def get_current_hostname(self): - cmd = ['hostname'] - rc, out, err = self.module.run_command(cmd) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - return out.strip() - - def set_current_hostname(self, name): - cmd = ['hostnamectl', '--transient', 'set-hostname', name] - rc, out, err = self.module.run_command(cmd) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - - def get_permanent_hostname(self): - cmd = 'hostnamectl --static status' - rc, out, err = self.module.run_command(cmd, use_unsafe_shell=True) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - return out.strip() - - def set_permanent_hostname(self, name): - cmd = ['hostnamectl', '--pretty', 'set-hostname', name] - rc, out, err = self.module.run_command(cmd) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - cmd = ['hostnamectl', '--static', 'set-hostname', name] - rc, out, err = self.module.run_command(cmd) - if rc != 0: - self.module.fail_json(msg="Command failed rc=%d, out=%s, err=%s" % - (rc, out, err)) - - -# =========================================== - -class OpenRCStrategy(GenericStrategy): - """ - This is a Gentoo (OpenRC) Hostname manipulation strategy class - it edits - the /etc/conf.d/hostname file. - """ - - HOSTNAME_FILE = '/etc/conf.d/hostname' - - def get_permanent_hostname(self): - try: - with open(self.HOSTNAME_FILE, 'r') as f: - for line in f: - line = line.strip() - if line.startswith('hostname='): - return line[10:].strip('"') - return None - except Exception, err: - self.module.fail_json(msg="failed to read hostname: %s" % - str(err)) - - def set_permanent_hostname(self, name): - try: - with open(self.HOSTNAME_FILE, 'r') as f: - lines = [x.strip() for x in f] - - for i, line in enumerate(lines): - if line.startswith('hostname='): - lines[i] = 'hostname="%s"' % name - break - - with open(self.HOSTNAME_FILE, 'w') as f: - f.write('\n'.join(lines) + '\n') - except Exception, err: - self.module.fail_json(msg="failed to update hostname: %s" % - str(err)) - -# =========================================== - -class FedoraHostname(Hostname): - platform = 'Linux' - distribution = 'Fedora' - strategy_class = FedoraStrategy - -class OpenSUSEHostname(Hostname): - platform = 'Linux' - distribution = 'Opensuse ' - strategy_class = FedoraStrategy - -class ArchHostname(Hostname): - platform = 'Linux' - distribution = 'Arch' - strategy_class = FedoraStrategy - -class RedHat5Hostname(Hostname): - platform = 'Linux' - distribution = 'Redhat' - strategy_class = RedHatStrategy - -class RedHatServerHostname(Hostname): - platform = 'Linux' - distribution = 'Red hat enterprise linux server' - distribution_version = _get_distribution_version() - if distribution_version and LooseVersion(distribution_version) >= LooseVersion("7"): - strategy_class = FedoraStrategy - else: - strategy_class = RedHatStrategy - -class RedHatWorkstationHostname(Hostname): - platform = 'Linux' - distribution = 'Red hat enterprise linux workstation' - distribution_version = _get_distribution_version() - if distribution_version and LooseVersion(distribution_version) >= LooseVersion("7"): - strategy_class = FedoraStrategy - else: - strategy_class = RedHatStrategy - -class CentOSHostname(Hostname): - platform = 'Linux' - distribution = 'Centos' - distribution_version = _get_distribution_version() - if distribution_version and LooseVersion(distribution_version) >= LooseVersion("7"): - strategy_class = FedoraStrategy - else: - strategy_class = RedHatStrategy - -class CentOSLinuxHostname(Hostname): - platform = 'Linux' - distribution = 'Centos linux' - distribution_version = _get_distribution_version() - if distribution_version and LooseVersion(distribution_version) >= LooseVersion("7"): - strategy_class = FedoraStrategy - else: - strategy_class = RedHatStrategy - -class ScientificHostname(Hostname): - platform = 'Linux' - distribution = 'Scientific' - strategy_class = RedHatStrategy - -class ScientificLinuxHostname(Hostname): - platform = 'Linux' - distribution = 'Scientific linux' - strategy_class = RedHatStrategy - -class AmazonLinuxHostname(Hostname): - platform = 'Linux' - distribution = 'Amazon' - strategy_class = RedHatStrategy - -class DebianHostname(Hostname): - platform = 'Linux' - distribution = 'Debian' - strategy_class = DebianStrategy - -class UbuntuHostname(Hostname): - platform = 'Linux' - distribution = 'Ubuntu' - strategy_class = DebianStrategy - -class LinaroHostname(Hostname): - platform = 'Linux' - distribution = 'Linaro' - strategy_class = DebianStrategy - -class GentooHostname(Hostname): - platform = 'Linux' - distribution = 'Gentoo base system' - strategy_class = OpenRCStrategy - -# =========================================== - -def main(): - module = AnsibleModule( - argument_spec = dict( - name=dict(required=True, type='str') - ) - ) - - hostname = Hostname(module) - - changed = False - name = module.params['name'] - current_name = hostname.get_current_hostname() - if current_name != name: - hostname.set_current_hostname(name) - changed = True - - permanent_name = hostname.get_permanent_hostname() - if permanent_name != name: - hostname.set_permanent_hostname(name) - changed = True - - module.exit_json(changed=changed, name=name) - -main() |