144 lines
4.8 KiB
Python
144 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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# 2011-2012 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 cdist
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'''
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common:
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runs only locally, does not need remote
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env:
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PATH: prepend directory with type emulator symlinks == local.bin_path
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__target_host: the target host we are working on
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__global: full qualified path to the global output dir == local.out_path
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__cdist_manifest: full qualified path of the manifest == script
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__cdist_type_base_path: full qualified path to the directory where types are defined for use in type emulator
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== local.type_path
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initial manifest is:
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script: full qualified path to the initial manifest
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env:
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__manifest: path to .../conf/manifest/ == local.manifest_path
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creates: new objects through type emulator
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type manifeste is:
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script: full qualified path to the type manifest
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env:
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__object: full qualified path to the object's dir
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__object_id: the objects id
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__object_fq: full qualified object id, iow: $type.name + / + object_id
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__type: full qualified path to the type's dir
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creates: new objects through type emulator
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'''
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class NoInitialManifestError(cdist.Error):
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"""
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Display missing initial manifest:
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- Display path if user given
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- try to resolve link if it is a link
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- Omit path if default (is a linked path in temp directory without
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much help)
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"""
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def __init__(self, manifest_path, user_supplied):
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msg_header = "Initial manifest missing"
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if user_supplied:
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if os.path.islink(manifest_path):
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self.message = "%s: %s -> %s" (msg_header, manifest_path, os.path.realpath(manifest_path))
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else:
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self.message = "%s: %s" (msg_header, manifest_path)
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else:
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self.message = "%s" (msg_header)
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def __str__(self):
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return repr(self.message)
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class Manifest(object):
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"""Executes cdist manifests.
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"""
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def __init__(self, target_host, local):
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self.target_host = target_host
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self.local = local
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self.log = logging.getLogger(self.target_host)
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self.env = {
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'PATH': "%s:%s" % (self.local.bin_path, os.environ['PATH']),
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'__cdist_type_base_path': self.local.type_path, # for use in type emulator
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'__global': self.local.out_path,
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'__target_host': self.target_host,
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}
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if self.log.getEffectiveLevel() == logging.DEBUG:
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self.env.update({'__cdist_debug': "yes" })
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def env_initial_manifest(self, initial_manifest):
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env = os.environ.copy()
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env.update(self.env)
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env['__cdist_manifest'] = initial_manifest
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env['__manifest'] = self.local.manifest_path
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return env
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def run_initial_manifest(self, initial_manifest=None):
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if not initial_manifest:
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initial_manifest = self.local.initial_manifest
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user_supplied = False
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else:
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user_supplied = True
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self.log.info("Running initial manifest " + initial_manifest)
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if not os.path.isfile(initial_manifest):
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raise NoInitialManifestError(initial_manifest, user_supplied)
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self.local.run_script(initial_manifest, env=self.env_initial_manifest(initial_manifest))
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def env_type_manifest(self, cdist_object):
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type_manifest = os.path.join(self.local.type_path, cdist_object.cdist_type.manifest_path)
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env = os.environ.copy()
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env.update(self.env)
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env.update({
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'__cdist_manifest': type_manifest,
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'__manifest': self.local.manifest_path,
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'__object': cdist_object.absolute_path,
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'__object_id': cdist_object.object_id,
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'__object_name': cdist_object.name,
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'__type': cdist_object.cdist_type.absolute_path,
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})
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return env
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def run_type_manifest(self, cdist_object):
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type_manifest = os.path.join(self.local.type_path, cdist_object.cdist_type.manifest_path)
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if os.path.isfile(type_manifest):
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self.local.run_script(type_manifest, env=self.env_type_manifest(cdist_object))
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