136 lines
4.7 KiB
Python
136 lines
4.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 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 argparse
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import logging
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import os
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import cdist
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from cdist import core
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log = logging.getLogger(__name__)
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class IllegalRequirementError(cdist.Error):
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def __init__(self, requirement, message=None):
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self.requirement = requirement
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self.message = message or 'Illegal requirement'
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def __str__(self):
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return '%s: %s' % (self.message, self.requirement)
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def run(argv):
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"""Emulate type commands (i.e. __file and co)"""
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global_path = os.environ['__global']
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object_source = os.environ['__cdist_manifest']
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target_host = os.environ['__target_host']
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type_name = os.path.basename(argv[0])
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# Logsetup - FIXME: add object_fq as soon as setup!
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#id = target_host + ": " + cdist_type + '/' + object_id
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id = target_host + ": "
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# logformat = '%(levelname)s: ' + target_host + ": " + cdist_type + '/' + object_id + ': %(message)s'
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logformat = '%(levelname)s: ' + id + ': %(message)s'
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logging.basicConfig(format=logformat)
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if '__debug' in os.environ:
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logging.root.setLevel(logging.DEBUG)
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else:
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logging.root.setLevel(logging.INFO)
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object_base_path = os.path.join(global_path, "object")
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type_base_path = os.environ['__cdist_type_base_path']
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cdist_type = core.Type(type_base_path, type_name)
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if '__install' in os.environ:
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if not cdist_type.is_install:
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log.debug("Running in install mode, ignoring non install type")
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return True
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parser = argparse.ArgumentParser(add_help=False)
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for parameter in cdist_type.optional_parameters:
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argument = "--" + parameter
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parser.add_argument(argument, action='store', required=False)
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for parameter in cdist_type.required_parameters:
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argument = "--" + parameter
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parser.add_argument(argument, action='store', required=True)
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# If not singleton support one positional parameter
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if not cdist_type.is_singleton:
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parser.add_argument("object_id", nargs=1)
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# And finally verify parameter
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args = parser.parse_args(argv[1:])
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# Setup object_id
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if cdist_type.is_singleton:
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object_id = "singleton"
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else:
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object_id = args.object_id[0]
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del args.object_id
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# strip leading slash from object_id
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object_id = object_id.lstrip('/')
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# Instantiate the cdist object whe are defining
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cdist_object = core.Object(cdist_type, object_base_path, object_id)
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# FIXME: verify object id
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log.debug('#### emulator args: %s' % args)
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# Create object with given parameters
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parameters = {}
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for key,value in vars(args).items():
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if value is not None:
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parameters[key] = value
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if cdist_object.exists:
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if cdist_object.parameters != parameters:
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raise cdist.Error("Object %s already exists with conflicting parameters:\n%s: %s\n%s: %s"
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% (cdist_object, " ".join(cdist_object.source), cdist_object.parameters, object_source, parameters)
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)
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else:
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cdist_object.create()
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cdist_object.parameters = parameters
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# Record requirements
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if "require" in os.environ:
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requirements = os.environ['require']
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for requirement in requirements.split(" "):
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requirement_parts = requirement.split(os.sep, 1)
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requirement_parts.reverse()
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requirement_type_name = requirement_parts.pop()
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try:
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requirement_object_id = requirement_parts.pop()
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except IndexError:
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# no object id, must be singleton
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requirement_object_id = 'singleton'
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if requirement_object_id.startswith('/'):
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raise IllegalRequirementError(requirement, 'requirements object_id may not start with /')
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log.debug("Recording requirement: %s -> %s" % (cdist_object.path, requirement))
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cdist_object.requirements.append(requirement)
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# Record / Append source
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cdist_object.source.append(object_source)
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log.debug("Finished %s %s" % (cdist_object.path, parameters))
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