mirror of
https://github.com/ansible-collections/community.general.git
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127 lines
4.9 KiB
Python
127 lines
4.9 KiB
Python
# Based on local.py (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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# Based on chroot.py (c) 2013, Maykel Moya <mmoya@speedyrails.com>
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# (c) 2013, Michael Scherer <misc@zarb.org>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import distutils.spawn
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import os
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import subprocess
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from ansible import errors
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from ansible.callbacks import vvv
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class Connection(object):
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''' Local lxc based connections '''
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def _search_executable(self, executable):
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cmd = distutils.spawn.find_executable(executable)
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if not cmd:
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raise errors.AnsibleError("%s command not found in PATH") % executable
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return cmd
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def _check_domain(self, domain):
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p = subprocess.Popen([self.cmd, '-q', '-c', 'lxc:///', 'dominfo', domain],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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p.communicate()
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if p.returncode:
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raise errors.AnsibleError("%s is not a lxc defined in libvirt" % domain)
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def __init__(self, runner, host, port, *args, **kwargs):
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self.lxc = host
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self.cmd = self._search_executable('virsh')
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self._check_domain(host)
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self.runner = runner
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self.host = host
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# port is unused, since this is local
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self.port = port
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def connect(self, port=None):
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''' connect to the lxc; nothing to do here '''
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vvv("THIS IS A LOCAL LXC DIR", host=self.lxc)
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return self
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def _generate_cmd(self, executable, cmd):
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if executable:
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local_cmd = [self.cmd, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', executable , '-c', cmd]
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else:
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local_cmd = '%s -q -c lxc:/// lxc-enter-namespace %s -- %s' % (self.cmd, self.lxc, cmd)
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return local_cmd
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def exec_command(self, cmd, tmp_path, sudo_user, sudoable=False, executable='/bin/sh', in_data=None, su=None, su_user=None):
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''' run a command on the chroot '''
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if su or su_user:
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raise errors.AnsibleError("Internal Error: this module does not support running commands via su")
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if in_data:
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raise errors.AnsibleError("Internal Error: this module does not support optimized module pipelining")
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# We enter lxc as root so sudo stuff can be ignored
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local_cmd = self._generate_cmd(executable, cmd)
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vvv("EXEC %s" % (local_cmd), host=self.lxc)
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p = subprocess.Popen(local_cmd, shell=isinstance(local_cmd, basestring),
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cwd=self.runner.basedir,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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return (p.returncode, '', stdout, stderr)
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def _normalize_path(self, path, prefix):
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if not path.startswith(os.path.sep):
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path = os.path.join(os.path.sep, path)
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normpath = os.path.normpath(path)
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return os.path.join(prefix, normpath[1:])
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def put_file(self, in_path, out_path):
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''' transfer a file from local to lxc '''
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out_path = self._normalize_path(out_path, '/')
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vvv("PUT %s TO %s" % (in_path, out_path), host=self.lxc)
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local_cmd = [self.cmd, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', '/bin/tee', out_path]
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vvv("EXEC %s" % (local_cmd), host=self.lxc)
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p = subprocess.Popen(local_cmd, cwd=self.runner.basedir,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate(open(in_path,'rb').read())
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def fetch_file(self, in_path, out_path):
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''' fetch a file from lxc to local '''
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in_path = self._normalize_path(in_path, '/')
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vvv("FETCH %s TO %s" % (in_path, out_path), host=self.lxc)
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local_cmd = [self.cmd, '-q', '-c', 'lxc:///', 'lxc-enter-namespace', self.lxc, '--', '/bin/cat', in_path]
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vvv("EXEC %s" % (local_cmd), host=self.lxc)
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p = subprocess.Popen(local_cmd, cwd=self.runner.basedir,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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open(out_path,'wb').write(stdout)
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def close(self):
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''' terminate the connection; nothing to do here '''
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pass
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