106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
from __future__ import absolute_import
|
|
|
|
import distutils.spawn
|
|
import os,sys
|
|
import subprocess
|
|
import shutil
|
|
from ansible import errors
|
|
from ansible.callbacks import vvv
|
|
|
|
import lxc as _lxc
|
|
|
|
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 _root_fs(self):
|
|
rootfs = self.container.get_running_config_item("lxc.rootfs")
|
|
if not rootfs:
|
|
raise errors.AnsibleError("rootfs not set in configuration for %s") % self.host
|
|
return rootfs
|
|
|
|
def __init__(self, runner, host, port, *args, **kwargs):
|
|
self.has_pipelining = False
|
|
self.host = host
|
|
# port is unused, since this is local
|
|
self.port = port
|
|
self.runner = runner
|
|
|
|
self.lxc_attach = self._search_executable("lxc-attach")
|
|
|
|
self.container = _lxc.Container(host)
|
|
if self.container.state == "STOPPED":
|
|
raise errors.AnsibleError("%s is not running" % host)
|
|
|
|
self.rootfs = self._root_fs()
|
|
|
|
def connect(self, port=None):
|
|
''' connect to the lxc; nothing to do here '''
|
|
|
|
vvv("THIS IS A LOCAL LXC DIR", host=self.host)
|
|
|
|
return self
|
|
|
|
def _generate_cmd(self, executable, cmd):
|
|
if executable:
|
|
return [self.lxc_attach, "--name", self.host, "--", executable, '-c', cmd]
|
|
else:
|
|
return '%s --name %s -- %s' % (self.lxc_attach, self.host, cmd)
|
|
|
|
def exec_command(self, cmd, tmp_path, sudo_user=None, sudoable=False, executable='/bin/sh', in_data=None, su=None, su_user=None):
|
|
''' 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.host)
|
|
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 _copy(self, in_path, out_path):
|
|
if not os.path.exists(in_path):
|
|
raise errors.AnsibleFileNotFound("file or module does not exist: %s" % in_path)
|
|
try:
|
|
shutil.copyfile(in_path, out_path)
|
|
except shutil.Error:
|
|
traceback.print_exc()
|
|
raise errors.AnsibleError("failed to copy: %s and %s are the same" % (in_path, out_path))
|
|
except IOError:
|
|
traceback.print_exc()
|
|
raise errors.AnsibleError("failed to transfer file to %s" % out_path)
|
|
|
|
def put_file(self, in_path, out_path):
|
|
''' transfer a file from local to lxc '''
|
|
|
|
out_path = self._normalize_path(out_path, self.rootfs)
|
|
|
|
vvv("PUT %s TO %s" % (in_path, out_path), host=self.host)
|
|
self._copy(in_path, out_path)
|
|
|
|
def fetch_file(self, in_path, out_path):
|
|
''' fetch a file from lxc to local '''
|
|
|
|
in_path = self._normalize_path(in_path, self.rootfs)
|
|
|
|
vvv("FETCH %s TO %s" % (in_path, out_path), host=self.host)
|
|
self._copy(in_path, out_path)
|
|
|
|
def close(self):
|
|
''' terminate the connection; nothing to do here '''
|
|
pass
|