137 lines
4.8 KiB
Python
137 lines
4.8 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 information"""
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def __init__(self,
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target_host,
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initial_manifest=False,
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base_path=False,
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out_path=False,
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remote_base_path=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_path:
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self.base_path = base_path
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else:
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self.base_path = os.path.abspath(
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os.path.join(os.path.dirname(__file__),
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os.pardir,
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os.pardir))
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# Local input directories
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self.cache_path = os.path.join(self.base_path, "cache", target_host)
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self.conf_path = os.path.join(self.base_path, "conf")
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self.global_explorer_path = os.path.join(self.conf_path, "explorer")
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self.manifest_path = os.path.join(self.conf_path, "manifest")
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self.type_base_path = os.path.join(self.conf_path, "type")
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self.lib_path = os.path.join(self.base_path, "lib")
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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_path, "init")
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# Local output directories
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if out_path:
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self.out_path = out_path
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else:
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self.out_path = os.path.join(tempfile.mkdtemp(), "out")
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self.bin_path = os.path.join(self.out_path, "bin")
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self.global_explorer_out_path = os.path.join(self.out_path, "explorer")
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self.object_base_path = os.path.join(self.out_path, "object")
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# Remote directories
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if remote_base_path:
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self.remote_base_path = remote_base_path
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else:
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self.remote_base_path = "/var/lib/cdist"
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self.remote_conf_path = os.path.join(self.remote_base_path, "conf")
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self.remote_object_path = os.path.join(self.remote_base_path, "object")
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self.remote_type_path = os.path.join(self.remote_conf_path, "type")
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self.remote_global_explorer_path = os.path.join(self.remote_conf_path, "explorer")
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# Create directories
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self.__init_out_paths()
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self.__init_remote_paths()
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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.out_path + " to " + self.cache_path)
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# Remove previous cache
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if os.path.exists(self.cache_path):
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shutil.rmtree(self.cache_path)
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shutil.move(self.out_path, self.cache_path)
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def __init_out_paths(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_path):
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os.mkdir(self.base_path)
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os.mkdir(self.out_path)
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os.mkdir(self.global_explorer_out_path)
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os.mkdir(self.bin_path)
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def __init_remote_paths(self):
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"""Initialise remote directory structure"""
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self.remove_remote_path(self.remote_base_path)
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self.remote_mkdir(self.remote_base_path)
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self.remote_mkdir(self.remote_conf_path)
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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_path(self, destination):
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cdist.exec.run_or_fail(["rm", "-rf", destination], remote_prefix=True)
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def transfer_path(self, source, destination):
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"""Transfer directory and previously delete the remote destination"""
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self.remove_remote_path(destination)
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cdist.exec.run_or_fail(os.environ['__remote_copy'].split() +
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["-r", source, self.target_host + ":" + destination])
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