forked from ungleich-public/cdist
134 lines
4.6 KiB
Python
Executable file
134 lines
4.6 KiB
Python
Executable file
# -*- 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 sys
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import cdist.path
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log = logging.getLogger(__name__)
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def emulator(argv):
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"""Emulate type commands (i.e. __file and co)"""
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type = os.path.basename(argv[0])
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type_dir = os.path.join(os.environ['__cdist_type_base_dir'], type)
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param_dir = os.path.join(type_dir, "parameter")
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global_dir = os.environ['__global']
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object_source = os.environ['__cdist_manifest']
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parser = argparse.ArgumentParser(add_help=False)
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# Setup optional parameters
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for parameter in cdist.path.file_to_list(os.path.join(param_dir, "optional")):
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argument = "--" + parameter
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parser.add_argument(argument, action='store', required=False)
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# Setup required parameters
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for parameter in cdist.path.file_to_list(os.path.join(param_dir, "required")):
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argument = "--" + parameter
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parser.add_argument(argument, action='store', required=True)
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# Setup positional parameter, if not singleton
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if not os.path.isfile(os.path.join(type_dir, "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 os.path.isfile(os.path.join(type_dir, "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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# FIXME: / hardcoded - better portable solution available?
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if object_id[0] == '/':
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object_id = object_id[1:]
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# FIXME: verify object id
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log.debug(args)
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object_dir = os.path.join(global_dir, "object", type,
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object_id, cdist.path.DOT_CDIST)
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param_out_dir = os.path.join(object_dir, "parameter")
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object_source_file = os.path.join(object_dir, "source")
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if os.path.exists(param_out_dir):
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object_exists = True
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old_object_source_fd = open(object_source_file, "r")
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old_object_source = old_object_source_fd.readlines()
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old_object_source_fd.close()
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else:
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object_exists = False
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try:
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os.makedirs(param_out_dir, exist_ok=True)
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except OSError as error:
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raise CdistError(param_out_dir + ": " + error.args[1])
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# Record parameter
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params = vars(args)
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for param in params:
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value = getattr(args, param)
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if value:
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file = os.path.join(param_out_dir, param)
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log.debug(file + "<-" + param + " = " + value)
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# Already exists, verify all parameter are the same
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if object_exists:
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if not os.path.isfile(file):
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print("New parameter + " + param + "specified, aborting")
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print("Source = " + old_object_source + "new =" + object_source)
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sys.exit(1)
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else:
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param_fd = open(file, "r")
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param_old = param_fd.readlines()
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param_fd.close()
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if(param_old != param):
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print("Parameter " + param + " differs: " + " ".join(param_old) + " vs. " + param)
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print("Sources: " + " ".join(old_object_source) + " and " + object_source)
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sys.exit(1)
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else:
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param_fd = open(file, "w")
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param_fd.writelines(value)
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param_fd.close()
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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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print(object_id + ":Writing requirements: " + requirements)
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require_fd = open(os.path.join(object_dir, "require"), "a")
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require_fd.writelines(requirements.split(" "))
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require_fd.close()
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# Record / Append source
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source_fd = open(os.path.join(object_dir, "source"), "a")
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source_fd.writelines(object_source)
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source_fd.close()
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# sys.exit(1)
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print("Finished " + type + "/" + object_id + repr(params))
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