diff --git a/lib/ansible/runner/connection_plugins/lxc.py b/lib/ansible/runner/connection_plugins/lxc.py new file mode 100644 index 00000000000..b1de672ddd8 --- /dev/null +++ b/lib/ansible/runner/connection_plugins/lxc.py @@ -0,0 +1,121 @@ +# Based on local.py (c) 2012, Michael DeHaan +# Based on chroot.py (c) 2013, Maykel Moya +# (c) 2013, Michael Scherer +# +# 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 . + +import distutils.spawn +import os +import subprocess +from ansible import errors +from ansible.callbacks import vvv + +class Connection(object): + ''' Local lxc based connections ''' + + def _search_executable(self, executable): + cmd = distutils.spawn.find_executable(executable) + if not cmd: + raise errors.AnsibleError("%s command not found in PATH") % executable + return cmd + + def _check_domain(self, domain): + p = subprocess.Popen([self.cmd, '-q', '-c', 'lxc:///', 'dominfo', domain], + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + p.communicate() + if p.returncode: + raise errors.AnsibleError("%s is not a lxc defined in libvirt" % domain) + + def __init__(self, runner, host, port, *args, **kwargs): + self.lxc = host + + self.cmd = self._search_executable('virsh') + + self._check_domain(host) + + self.runner = runner + self.host = host + # port is unused, since this is local + self.port = port + + def connect(self, port=None): + ''' connect to the lxc; nothing to do here ''' + + vvv("THIS IS A LOCAL LXC DIR", host=self.lxc) + + return self + + def _generate_cmd(self, executable, cmd): + if executable: + local_cmd = [self.cmd, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', executable , '-c', cmd] + else: + local_cmd = '%s -q -c lxc:/// lxc-enter-namespace %s -- %s' % (self.cmd, self.lxc, cmd) + return local_cmd + + def exec_command(self, cmd, tmp_path, sudo_user, sudoable=False, executable='/bin/sh'): + ''' run a command on the chroot ''' + + # We enter lxc as root so sudo stuff can be ignored + local_cmd = self._generate_cmd(executable, cmd) + + vvv("EXEC %s" % (local_cmd), host=self.lxc) + p = subprocess.Popen(local_cmd, shell=isinstance(local_cmd, basestring), + cwd=self.runner.basedir, + stdin=subprocess.PIPE, + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + + stdout, stderr = p.communicate() + return (p.returncode, '', stdout, stderr) + + def _normalize_path(self, path, prefix): + if not path.startswith(os.path.sep): + path = os.path.join(os.path.sep, path) + normpath = os.path.normpath(path) + return os.path.join(prefix, normpath[1:]) + + def put_file(self, in_path, out_path): + ''' transfer a file from local to lxc ''' + + out_path = self._normalize_path(out_path, '/') + vvv("PUT %s TO %s" % (in_path, out_path), host=self.lxc) + + local_cmd = [self.cmd, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', '/bin/tee', out_path] + vvv("EXEC %s" % (local_cmd), host=self.lxc) + + p = subprocess.Popen(local_cmd, cwd=self.runner.basedir, + stdin=subprocess.PIPE, + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + stdout, stderr = p.communicate(open(in_path,'rb').read()) + + def fetch_file(self, in_path, out_path): + ''' fetch a file from lxc to local ''' + + in_path = self._normalize_path(in_path, '/') + vvv("FETCH %s TO %s" % (in_path, out_path), host=self.lxc) + + local_cmd = [self.cmd, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', '/bin/cat', in_path] + vvv("EXEC %s" % (local_cmd), host=self.lxc) + + p = subprocess.Popen(local_cmd, cwd=self.runner.basedir, + stdin=subprocess.PIPE, + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + stdout, stderr = p.communicate() + open(out_path,'wb').write(stdout) + + + def close(self): + ''' terminate the connection; nothing to do here ''' + pass diff --git a/plugins/inventory/lxc.py b/plugins/inventory/lxc.py new file mode 100755 index 00000000000..f588a671faf --- /dev/null +++ b/plugins/inventory/lxc.py @@ -0,0 +1,37 @@ +#!/usr/bin/env python + +# (c) 2013, Michael Scherer +# +# 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 . + +from subprocess import Popen,PIPE +import sys +import json + +result = {} +result['all'] = {} + +pipe = Popen(['virsh', '-q', '-c', 'lxc:///', 'list', '--name', '--all'], stdout=PIPE, universal_newlines=True) +result['all']['hosts'] = [x[:-1] for x in pipe.stdout.readlines()] +result['all']['vars'] = {} +result['all']['vars']['ansible_connection'] = 'lxc' + +if len(sys.argv) == 2 and sys.argv[1] == '--list': + print json.dumps(result) +elif len(sys.argv) == 3 and sys.argv[1] == '--host': + print json.dumps({'ansible_connection': 'lxc'}) +else: + print "Need a argument, either --list or --host "