cdist/lib/cdist/context.py
Nico Schottelius 0397e77a3e cleanup context
Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
2011-10-11 16:04:09 +02:00

117 lines
4 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# 2010-2011 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 stat
#import shutil
#import sys
#import tempfile
#import time
#
#import cdist.core
#import cdist.exec
log = logging.getLogger(__name__)
class Context:
"""Hold information about current context"""
def __init__(self,
target_host,
initial_manifest=False,
base_path=False,
exec_path=sys.argv[0]):
self.target_host = target_host
# Only required for testing
self.exec_path = exec_path
log.addFilter(self)
# Base and Temp Base
self.base_path = (base_path or
self.base_path = os.path.abspath(os.path.join(
os.path.dirname(__file__), os.pardir, os.pardir))
# Local input
self.cache_path = os.path.join(self.base_path, "cache",
self.target_host)
self.conf_path = os.path.join(self.base_path, "conf")
self.global_explorer_path = os.path.join(self.conf_path, "explorer")
self.manifest_path = os.path.join(self.conf_path, "manifest")
self.type_base_path = os.path.join(self.conf_path, "type")
self.lib_path = os.path.join(self.base_path, "lib")
self.initial_manifest = (initial_manifest or
os.path.join(self.manifest_path, "init"))
# Local output
if '__cdist_out_dir' in os.environ:
self.out_path = os.environ['__cdist_out_dir']
else:
self.out_path = os.path.join(tempfile.mkdtemp(), "out")
self.bin_path = os.path.join(self.out_path, "bin")
self.global_explorer_out_path = os.path.join(self.out_path, "explorer")
self.object_base_path = os.path.join(self.out_path, "object")
# Remote directory base
if '__cdist_remote_out_dir' in os.environ:
self.remote_base_path = os.environ['__cdist_remote_out_dir']
else:
self.remote_base_path = "/var/lib/cdist"
self.remote_conf_path = os.path.join(self.remote_base_path, "conf")
self.remote_object_path = os.path.join(self.remote_base_path, "object")
self.remote_type_path = os.path.join(self.remote_conf_path, "type")
self.remote_global_explorer_path = os.path.join(self.remote_conf_path, "explorer")
# Setup env to be used by others
self.__init_env()
# Create directories
self.__init_local_paths()
self.__init_remote_paths()
def cleanup(self):
# Do not use in __del__:
# http://docs.python.org/reference/datamodel.html#customization
# "other globals referenced by the __del__() method may already have been deleted
# or in the process of being torn down (e.g. the import machinery shutting down)"
#
log.debug("Saving " + self.out_path + " to " + self.cache_path)
# FIXME: raise more beautiful exception / Steven: handle exception
# Remove previous cache
if os.path.exists(self.cache_path):
shutil.rmtree(self.cache_path)
shutil.move(self.out_path, self.cache_path)
def filter(self, record):
"""Add hostname to logs via logging Filter"""
record.msg = self.target_host + ": " + record.msg
return True