126 lines
4.5 KiB
Python
126 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 2010-2011 Nico Schottelius (nico-cdist at schottelius.org)
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#
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# This file is part of cdist.
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#
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# cdist 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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# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import logging
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import os
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import shutil
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import sys
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import tempfile
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log = logging.getLogger(__name__)
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import cdist.exec
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class Context:
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"""Storing context dependent information"""
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def __init__(self, target_host, initial_manifest=False, base_dir=False,
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debug=False):
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self.target_host = target_host
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# Base and Temp Base
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if base_dir:
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self.base_dir = base_dir
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elif "__cdist_base_dir" in os.environ:
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self.base_dir = os.environ['__cdist_base_dir']
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else:
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self.base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
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# Input directories
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self.cache_dir = os.path.join(self.base_dir, "cache", target_host)
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self.conf_dir = os.path.join(self.base_dir, "conf")
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self.manifest_dir = os.path.join(self.conf_dir, "manifest")
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# Probably unused paths
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# self.global_explorer_dir = os.path.join(self.conf_dir, "explorer")
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# self.lib_dir = os.path.join(self.base_dir, "lib")
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# self.type_base_dir = os.path.join(self.conf_dir, "type")
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# Mostly static, but can be overwritten on user demand
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if initial_manifest:
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self.initial_manifest = initial_manifest
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else:
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self.initial_manifest = os.path.join(self.manifest_dir, "init")
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# Output directories
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if "__cdist_out_dir" in os.environ:
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self.out_dir = os.environ['__cdist_out_dir']
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else:
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self.out_dir = os.path.join(tempfile.mkdtemp(), "out")
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self.global_explorer_out_dir = os.path.join(self.out_dir, "explorer")
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self.object_base_dir = os.path.join(self.out_dir, "object")
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self.bin_dir = os.path.join(self.out_dir, "bin")
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# Remote directories
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if "__cdist_remote_base_dir" in os.environ:
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self.remote_base_dir = os.environ['__cdist_remote_base_dir']
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else:
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self.remote_base_dir = "/var/lib/cdist"
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self.remote_conf_dir = os.path.join(self.remote_base_dir, "conf")
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self.remote_object_dir = os.path.join(self.remote_base_dir, "object")
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self.remote_type_dir = os.path.join(self.remote_conf_dir, "type")
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self.remote_global_explorer_dir = os.path.join(self.remote_conf_dir, "explorer")
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# Create directories
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self.__init_out_dirs()
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self.__init_env()
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def cleanup(self):
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# Do not use in __del__:
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# http://docs.python.org/reference/datamodel.html#customization
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# "other globals referenced by the __del__() method may already have been deleted
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# or in the process of being torn down (e.g. the import machinery shutting down)"
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#
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log.debug("Saving" + self.base_dir + "to " + self.cache_dir)
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# Remove previous cache
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if os.path.exists(self.cache_dir):
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shutil.rmtree(self.cache_dir)
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shutil.move(self.base_dir, self.cache_dir)
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def __init_env(self):
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"""Setup environment"""
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os.environ['__cdist_out_dir'] = self.out_dir
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os.environ['__cdist_base_dir'] = self.base_dir
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def __init_out_dirs(self):
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"""Initialise output directory structure"""
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# Create base dir, if user supplied and not existing
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if not os.path.isdir(self.base_dir):
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os.mkdir(self.base_dir)
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os.mkdir(self.out_dir)
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os.mkdir(self.global_explorer_out_dir)
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os.mkdir(self.bin_dir)
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def remote_mkdir(self, directory):
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"""Create directory on remote side"""
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cdist.exec.run_or_fail(["mkdir", "-p", directory], remote_prefix=True)
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def remove_remote_dir(self, destination):
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cdist.exec.run_or_fail(["rm", "-rf", destination], remote_prefix=True)
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