cdist-backup/cdist/context.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# 2010-2012 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
# cdist 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.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
import logging
import os
import sys
import tempfile
import shutil
from cdist.exec import local
from cdist.exec import remote
class Context(object):
"""Hold information about current context"""
def __init__(self,
target_host,
remote_copy,
remote_exec,
initial_manifest=False,
add_conf_dirs=[],
exec_path=sys.argv[0],
debug=False):
self.debug = debug
self.target_host = target_host
self.exec_path = exec_path
# Context logging
self.log = logging.getLogger(self.target_host)
self.log.addFilter(self)
# Local temp directory
# FIXME: if __cdist_out_dir can be given from the outside, the same directory will be used for all hosts
if '__cdist_out_dir' in os.environ:
self.out_path = os.environ['__cdist_out_dir']
self.temp_dir = None
else:
self.temp_dir = tempfile.mkdtemp()
self.out_path = os.path.join(self.temp_dir, "out")
self.local = local.Local(self.target_host, self.out_path, self.exec_path, add_conf_dirs=add_conf_dirs)
self.initial_manifest = (initial_manifest or
os.path.join(self.local.manifest_path, "init"))
self._init_remote(remote_copy, remote_exec)
# Remote stuff
def _init_remote(self, remote_copy, remote_exec):
self.remote_base_path = os.environ.get('__cdist_remote_out_dir', "/var/lib/cdist")
self.remote_copy = remote_copy
self.remote_exec = remote_exec
os.environ['__remote_copy'] = self.remote_copy
os.environ['__remote_exec'] = self.remote_exec
self.remote = remote.Remote(self.target_host, self.remote_base_path,
self.remote_exec, self.remote_copy)
def cleanup(self):
"""Remove temp stuff"""
if self.temp_dir:
shutil.rmtree(self.temp_dir)
def filter(self, record):
"""Add hostname to logs via logging Filter"""
record.msg = self.target_host + ": " + str(record.msg)
return True