2011-09-07 23:01:25 +00:00
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#!/usr/bin/env python3
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2011-09-08 12:04:30 +00:00
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# -*- coding: utf-8 -*-
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2011-09-07 22:41:37 +00:00
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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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2011-09-08 12:11:31 +00:00
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import argparse
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2011-09-11 19:15:58 +00:00
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import datetime
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2011-09-08 12:11:31 +00:00
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import logging
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2011-09-11 23:14:35 +00:00
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import multiprocessing
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2011-09-08 00:12:48 +00:00
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import os
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2011-09-16 12:47:50 +00:00
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import re
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2011-09-08 12:11:31 +00:00
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import subprocess
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2011-09-08 01:56:59 +00:00
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import shutil
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2011-09-11 18:17:20 +00:00
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import stat
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2011-09-08 12:11:31 +00:00
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import sys
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import tempfile
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2011-09-08 01:56:59 +00:00
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2011-09-23 16:55:23 +00:00
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2011-09-08 20:40:12 +00:00
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BANNER = """
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.. . .x+=:. s
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dF @88> z` ^% :8
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'88bu. %8P . <k .88
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. '*88888bu . .@8Ned8" :888ooo
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.udR88N ^"*8888N .@88u .@^%8888" -*8888888
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<888'888k beWE "888L ''888E` x88: `)8b. 8888
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9888 'Y" 888E 888E 888E 8888N=*8888 8888
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9888 888E 888E 888E %8" R88 8888
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9888 888E 888F 888E @8Wou 9% .8888Lu=
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?8888u../ .888N..888 888& .888888P` ^%888*
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"8888P' `"888*"" R888" ` ^"F 'Y"
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"P' "" ""
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"""
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2011-09-23 14:41:55 +00:00
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VERSION = "2.0.1"
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2011-09-08 09:44:04 +00:00
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2011-09-11 12:30:05 +00:00
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logging.basicConfig(level=logging.INFO, format='%(levelname)s: %(message)s')
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2011-09-08 09:44:04 +00:00
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log = logging.getLogger()
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2011-09-08 09:08:44 +00:00
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2011-09-16 14:08:25 +00:00
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def file_to_list(filename):
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2011-09-23 14:38:47 +00:00
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"""Return list from \n seperated file"""
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if os.path.isfile(filename):
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file_fd = open(filename, "r")
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lines = file_fd.readlines()
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file_fd.close()
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2011-09-16 14:08:25 +00:00
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2011-09-23 14:38:47 +00:00
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# Remove \n from all lines
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lines = map(lambda s: s.strip(), lines)
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else:
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lines = []
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2011-09-16 14:08:25 +00:00
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2011-09-23 14:38:47 +00:00
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return lines
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2011-09-16 14:08:25 +00:00
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2011-09-08 01:56:59 +00:00
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class Cdist:
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2011-09-23 14:38:47 +00:00
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"""Cdist main class to hold arbitrary data"""
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def __init__(self, target_host,
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initial_manifest=False, remote_user="root",
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home=None, debug=False):
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self.target_host = target_host
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2011-09-23 18:17:17 +00:00
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self.path = cdist.path.Path(target_host,
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initial_manifest=initial_manifest,
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remote_user=remote_user,
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base_dir=home,
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debug=debug)
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2011-09-23 14:38:47 +00:00
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self.debug = debug
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self.objects_prepared = []
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self.remote_user = remote_user
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def cleanup(self):
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2011-09-23 18:17:17 +00:00
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self.path.cleanup()
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2011-09-23 14:38:47 +00:00
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def run_global_explores(self):
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"""Run global explorers"""
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2011-09-26 08:25:51 +00:00
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explorers = self.path.list_global_explorers()
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2011-09-23 14:38:47 +00:00
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if(len(explorers) == 0):
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2011-09-23 14:50:51 +00:00
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raise CdistError("No explorers found in", self.global_explorer_dir)
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2011-09-23 14:38:47 +00:00
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self.transfer_global_explorers()
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for explorer in explorers:
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output = self.global_explorer_output_path(explorer)
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output_fd = open(output, mode='w')
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cmd = []
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cmd.append("__explorer=" + REMOTE_GLOBAL_EXPLORER_DIR)
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cmd.append(self.remote_global_explorer_path(explorer))
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self.run_or_fail(cmd, stdout=output_fd, remote=True)
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output_fd.close()
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def run_type_explorer(self, cdist_object):
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"""Run type specific explorers for objects"""
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# Based on bin/cdist-object-explorer-run
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# Transfering explorers for this type
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type = self.get_type_from_object(cdist_object)
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self.transfer_type_explorers(type)
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cmd = []
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cmd.append("__explorer=" + REMOTE_GLOBAL_EXPLORER_DIR)
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cmd.append("__type_explorer=" + self.remote_type_explorer_dir(type))
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cmd.append("__object=" + self.remote_object_dir(cdist_object))
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cmd.append("__object_id=" + self.get_object_id_from_object(cdist_object))
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cmd.append("__object_fq=" + cdist_object)
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# Need to transfer at least the parameters for objects to be useful
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self.transfer_object_parameter(cdist_object)
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explorers = self.list_type_explorers(type)
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for explorer in explorers:
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remote_cmd = cmd + [os.path.join(self.remote_type_explorer_dir(type), explorer)]
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output = os.path.join(self.type_explorer_output_dir(cdist_object), explorer)
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output_fd = open(output, mode='w')
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log.debug("%s exploring %s using %s storing to %s",
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cdist_object, explorer, remote_cmd, output)
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self.run_or_fail(remote_cmd, stdout=output_fd, remote=True)
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output_fd.close()
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def init_deploy(self):
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"""Ensure the base directories are cleaned up"""
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log.debug("Creating clean directory structure")
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2011-09-23 18:17:17 +00:00
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self.path.remove_remote_dir(REMOTE_BASE_DIR)
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self.path.remote_mkdir(REMOTE_BASE_DIR)
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2011-09-23 14:38:47 +00:00
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def run_initial_manifest(self):
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"""Run the initial manifest"""
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env = { "__manifest" : self.manifest_dir }
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self.run_manifest(self.initial_manifest, extra_env=env)
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def run_type_manifest(self, cdist_object):
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"""Run manifest for a specific object"""
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type = self.get_type_from_object(cdist_object)
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manifest = self.type_dir(type, "manifest")
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log.debug("%s: Running %s", cdist_object, manifest)
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if os.path.exists(manifest):
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env = { "__object" : self.object_dir(cdist_object),
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"__object_id": self.get_object_id_from_object(cdist_object),
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"__object_fq": cdist_object,
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"__type": self.type_dir(type)
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}
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self.run_manifest(manifest, extra_env=env)
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def run_manifest(self, manifest, extra_env=None):
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"""Run a manifest"""
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log.debug("Running manifest %s, env=%s", manifest, extra_env)
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env = os.environ.copy()
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env['PATH'] = self.bin_dir + ":" + env['PATH']
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# Information required in every manifest
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env['__target_host'] = self.target_host
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env['__global'] = self.out_dir
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# Legacy stuff to make cdist-type-emulator work
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env['__cdist_core_dir'] = os.path.join(self.base_dir, "core")
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env['__cdist_local_base_dir'] = self.temp_dir
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# Submit information to new type emulator
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env['__cdist_manifest'] = manifest
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env['__cdist_type_base_dir'] = self.type_base_dir
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# Other environment stuff
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if extra_env:
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env.update(extra_env)
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self.shell_run_or_debug_fail(manifest, [manifest], env=env)
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def object_run(self, cdist_object, mode):
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"""Run gencode or code for an object"""
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log.debug("Running %s from %s", mode, cdist_object)
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file=os.path.join(self.object_dir(cdist_object), "require")
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requirements = file_to_list(file)
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type = self.get_type_from_object(cdist_object)
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2011-09-11 11:55:40 +00:00
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2011-09-23 14:38:47 +00:00
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for requirement in requirements:
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log.debug("Object %s requires %s", cdist_object, requirement)
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self.object_run(requirement, mode=mode)
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#
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# Setup env Variable:
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#
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env = os.environ.copy()
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env['__target_host'] = self.target_host
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env['__global'] = self.out_dir
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env["__object"] = self.object_dir(cdist_object)
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env["__object_id"] = self.get_object_id_from_object(cdist_object)
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env["__object_fq"] = cdist_object
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env["__type"] = self.type_dir(type)
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if mode == "gencode":
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paths = [
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self.type_dir(type, "gencode-local"),
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self.type_dir(type, "gencode-remote")
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]
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for bin in paths:
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if os.path.isfile(bin):
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# omit "gen" from gencode and use it for output base
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outfile=os.path.join(self.object_dir(cdist_object),
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os.path.basename(bin)[3:])
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outfile_fd = open(outfile, "w")
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# Need to flush to ensure our write is done before stdout write
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outfile_fd.write(CODE_HEADER)
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outfile_fd.flush()
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self.shell_run_or_debug_fail(bin, [bin], env=env, stdout=outfile_fd)
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outfile_fd.close()
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status = os.stat(outfile)
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# Remove output if empty, else make it executable
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if status.st_size == len(CODE_HEADER):
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os.unlink(outfile)
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else:
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# Add header and make executable - identically to 0o700
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os.chmod(outfile, stat.S_IXUSR | stat.S_IRUSR | stat.S_IWUSR)
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# Mark object as changed
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open(os.path.join(self.object_dir(cdist_object), "changed"), "w").close()
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if mode == "code":
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local_dir = self.object_dir(cdist_object)
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remote_dir = self.remote_object_dir(cdist_object)
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bin = os.path.join(local_dir, "code-local")
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if os.path.isfile(bin):
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self.run_or_fail([bin], remote=False)
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local_remote_code = os.path.join(local_dir, "code-remote")
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remote_remote_code = os.path.join(remote_dir, "code-remote")
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if os.path.isfile(local_remote_code):
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self.transfer_file(local_remote_code, remote_remote_code)
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self.run_or_fail([remote_remote_code], remote=True)
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def stage_prepare(self):
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"""Do everything for a deploy, minus the actual code stage"""
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self.init_deploy()
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self.run_global_explores()
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self.run_initial_manifest()
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old_objects = []
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objects = self.list_objects()
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# Continue process until no new objects are created anymore
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while old_objects != objects:
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log.debug("Prepare stage")
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old_objects = list(objects)
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for cdist_object in objects:
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if cdist_object in self.objects_prepared:
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log.debug("Skipping rerun of object %s", cdist_object)
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continue
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else:
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self.run_type_explorer(cdist_object)
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self.run_type_manifest(cdist_object)
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self.objects_prepared.append(cdist_object)
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objects = self.list_objects()
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def stage_run(self):
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"""The final (and real) step of deployment"""
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log.debug("Actual run objects")
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# Now do the final steps over the existing objects
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for cdist_object in self.list_objects():
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log.debug("Run object: %s", cdist_object)
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self.object_run(cdist_object, mode="gencode")
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self.object_run(cdist_object, mode="code")
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def deploy_to(self):
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"""Mimic the old deploy to: Deploy to one host"""
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log.info("Deploying to " + self.target_host)
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time_start = datetime.datetime.now()
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self.stage_prepare()
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self.stage_run()
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time_end = datetime.datetime.now()
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duration = time_end - time_start
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log.info("Finished run of %s in %s seconds",
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self.target_host,
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duration.total_seconds())
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def deploy_and_cleanup(self):
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"""Do what is most often done: deploy & cleanup"""
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self.deploy_to()
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self.cleanup()
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2011-09-11 23:14:35 +00:00
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2011-09-13 15:59:11 +00:00
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def banner(args):
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2011-09-23 14:38:47 +00:00
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"""Guess what :-)"""
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print(BANNER)
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sys.exit(0)
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2011-09-11 23:14:35 +00:00
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2011-09-13 15:59:11 +00:00
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def config(args):
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2011-09-23 14:38:47 +00:00
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"""Configure remote system"""
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process = {}
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2011-09-12 08:52:04 +00:00
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2011-09-23 14:38:47 +00:00
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time_start = datetime.datetime.now()
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2011-09-11 23:14:35 +00:00
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2011-09-23 14:38:47 +00:00
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for host in args.host:
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c = Cdist(host, initial_manifest=args.manifest, home=args.cdist_home, debug=args.debug)
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if args.parallel:
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log.debug("Creating child process for %s", host)
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process[host] = multiprocessing.Process(target=c.deploy_and_cleanup)
|
|
|
|
process[host].start()
|
|
|
|
else:
|
|
|
|
c.deploy_and_cleanup()
|
2011-09-11 23:14:35 +00:00
|
|
|
|
2011-09-23 14:38:47 +00:00
|
|
|
if args.parallel:
|
|
|
|
for p in process.keys():
|
|
|
|
log.debug("Joining %s", p)
|
|
|
|
process[p].join()
|
2011-09-13 15:59:11 +00:00
|
|
|
|
2011-09-23 14:38:47 +00:00
|
|
|
time_end = datetime.datetime.now()
|
|
|
|
log.info("Total processing time for %s host(s): %s", len(args.host),
|
|
|
|
(time_end - time_start).total_seconds())
|
2011-09-11 23:14:35 +00:00
|
|
|
|
2011-09-16 12:47:50 +00:00
|
|
|
def install(args):
|
2011-09-23 14:38:47 +00:00
|
|
|
"""Install remote system"""
|
|
|
|
process = {}
|
2011-09-16 12:47:50 +00:00
|
|
|
|
|
|
|
def emulator():
|
2011-09-23 14:38:47 +00:00
|
|
|
"""Emulate type commands (i.e. __file and co)"""
|
|
|
|
type = os.path.basename(sys.argv[0])
|
|
|
|
type_dir = os.path.join(os.environ['__cdist_type_base_dir'], type)
|
|
|
|
param_dir = os.path.join(type_dir, "parameter")
|
|
|
|
global_dir = os.environ['__global']
|
|
|
|
object_source = os.environ['__cdist_manifest']
|
|
|
|
|
|
|
|
parser = argparse.ArgumentParser(add_help=False)
|
|
|
|
|
|
|
|
# Setup optional parameters
|
|
|
|
for parameter in file_to_list(os.path.join(param_dir, "optional")):
|
|
|
|
argument = "--" + parameter
|
|
|
|
parser.add_argument(argument, action='store', required=False)
|
|
|
|
|
|
|
|
# Setup required parameters
|
|
|
|
for parameter in file_to_list(os.path.join(param_dir, "required")):
|
|
|
|
argument = "--" + parameter
|
|
|
|
parser.add_argument(argument, action='store', required=True)
|
|
|
|
|
|
|
|
# Setup positional parameter, if not singleton
|
|
|
|
|
|
|
|
if not os.path.isfile(os.path.join(type_dir, "singleton")):
|
|
|
|
parser.add_argument("object_id", nargs=1)
|
|
|
|
|
|
|
|
# And finally verify parameter
|
|
|
|
args = parser.parse_args(sys.argv[1:])
|
|
|
|
|
|
|
|
# Setup object_id
|
|
|
|
if os.path.isfile(os.path.join(type_dir, "singleton")):
|
|
|
|
object_id = "singleton"
|
|
|
|
else:
|
|
|
|
object_id = args.object_id[0]
|
|
|
|
del args.object_id
|
|
|
|
|
|
|
|
# FIXME: / hardcoded - better portable solution available?
|
|
|
|
if object_id[0] == '/':
|
|
|
|
object_id = object_id[1:]
|
|
|
|
|
|
|
|
# FIXME: verify object id
|
|
|
|
log.debug(args)
|
|
|
|
|
|
|
|
object_dir = os.path.join(global_dir, "object", type,
|
|
|
|
object_id, DOT_CDIST)
|
|
|
|
param_out_dir = os.path.join(object_dir, "parameter")
|
|
|
|
|
|
|
|
object_source_file = os.path.join(object_dir, "source")
|
|
|
|
|
|
|
|
if os.path.exists(param_out_dir):
|
|
|
|
object_exists = True
|
|
|
|
old_object_source_fd = open(object_source_file, "r")
|
|
|
|
old_object_source = old_object_source_fd.readlines()
|
|
|
|
old_object_source_fd.close()
|
|
|
|
|
|
|
|
else:
|
|
|
|
object_exists = False
|
|
|
|
try:
|
|
|
|
os.makedirs(param_out_dir, exist_ok=True)
|
|
|
|
except OSError as error:
|
2011-09-23 14:50:51 +00:00
|
|
|
raise CdistError(param_out_dir + ": " + error.args[1])
|
2011-09-23 14:38:47 +00:00
|
|
|
|
|
|
|
# Record parameter
|
|
|
|
params = vars(args)
|
|
|
|
for param in params:
|
|
|
|
value = getattr(args, param)
|
|
|
|
if value:
|
|
|
|
file = os.path.join(param_out_dir, param)
|
|
|
|
log.debug(file + "<-" + param + " = " + value)
|
|
|
|
|
|
|
|
# Already exists, verify all parameter are the same
|
|
|
|
if object_exists:
|
|
|
|
if not os.path.isfile(file):
|
|
|
|
print("New parameter + " + param + "specified, aborting")
|
|
|
|
print("Source = " + old_object_source + "new =" + object_source)
|
|
|
|
sys.exit(1)
|
|
|
|
else:
|
|
|
|
param_fd = open(file, "r")
|
|
|
|
param_old = param_fd.readlines()
|
|
|
|
param_fd.close()
|
|
|
|
|
|
|
|
if(param_old != param):
|
|
|
|
print("Parameter " + param + " differs: " + " ".join(param_old) + " vs. " + param)
|
|
|
|
print("Sources: " + " ".join(old_object_source) + " and " + object_source)
|
|
|
|
sys.exit(1)
|
2011-09-18 22:52:09 +00:00
|
|
|
else:
|
2011-09-23 14:38:47 +00:00
|
|
|
param_fd = open(file, "w")
|
|
|
|
param_fd.writelines(value)
|
|
|
|
param_fd.close()
|
|
|
|
|
|
|
|
# Record requirements
|
|
|
|
if "__require" in os.environ:
|
|
|
|
requirements = os.environ['__require']
|
|
|
|
print(object_id + ":Writing requirements: " + requirements)
|
|
|
|
require_fd = open(os.path.join(object_dir, "require"), "a")
|
|
|
|
require_fd.writelines(requirements.split(" "))
|
|
|
|
require_fd.close()
|
|
|
|
|
|
|
|
# Record / Append source
|
|
|
|
source_fd = open(os.path.join(object_dir, "source"), "a")
|
|
|
|
source_fd.writelines(object_source)
|
|
|
|
source_fd.close()
|
|
|
|
|
|
|
|
# sys.exit(1)
|
|
|
|
print("Finished " + type + "/" + object_id + repr(params))
|
2011-09-16 13:46:02 +00:00
|
|
|
|
2011-09-16 13:29:56 +00:00
|
|
|
|
2011-09-16 12:47:50 +00:00
|
|
|
def commandline():
|
2011-09-23 14:38:47 +00:00
|
|
|
"""Parse command line"""
|
|
|
|
# Construct parser others can reuse
|
|
|
|
parser = {}
|
|
|
|
# Options _all_ parsers have in common
|
|
|
|
parser['most'] = argparse.ArgumentParser(add_help=False)
|
|
|
|
parser['most'].add_argument('-d', '--debug',
|
|
|
|
help='Set log level to debug', action='store_true')
|
|
|
|
|
|
|
|
# Main subcommand parser
|
|
|
|
parser['main'] = argparse.ArgumentParser(description='cdist ' + VERSION)
|
|
|
|
parser['main'].add_argument('-V', '--version',
|
|
|
|
help='Show version', action='version',
|
|
|
|
version='%(prog)s ' + VERSION)
|
|
|
|
parser['sub'] = parser['main'].add_subparsers(title="Commands")
|
|
|
|
|
|
|
|
# Banner
|
|
|
|
parser['banner'] = parser['sub'].add_parser('banner',
|
|
|
|
add_help=False)
|
|
|
|
parser['banner'].set_defaults(func=banner)
|
|
|
|
|
|
|
|
# Config and install (common stuff)
|
|
|
|
parser['configinstall'] = argparse.ArgumentParser(add_help=False)
|
|
|
|
parser['configinstall'].add_argument('host', nargs='+',
|
|
|
|
help='one or more hosts to operate on')
|
|
|
|
parser['configinstall'].add_argument('-c', '--cdist-home',
|
|
|
|
help='Change cdist home (default: .. from bin directory)',
|
|
|
|
action='store')
|
|
|
|
parser['configinstall'].add_argument('-i', '--initial-manifest',
|
|
|
|
help='Path to a cdist manifest',
|
|
|
|
dest='manifest', required=False)
|
|
|
|
parser['configinstall'].add_argument('-p', '--parallel',
|
|
|
|
help='Operate on multiple hosts in parallel',
|
|
|
|
action='store_true', dest='parallel')
|
|
|
|
parser['configinstall'].add_argument('-s', '--sequential',
|
|
|
|
help='Operate on multiple hosts sequentially (default)',
|
|
|
|
action='store_false', dest='parallel')
|
|
|
|
|
|
|
|
# Config
|
|
|
|
parser['config'] = parser['sub'].add_parser('config',
|
|
|
|
parents=[parser['most'], parser['configinstall']])
|
|
|
|
parser['config'].set_defaults(func=config)
|
|
|
|
|
|
|
|
# Install
|
|
|
|
parser['install'] = parser['sub'].add_parser('install',
|
|
|
|
parents=[parser['most'], parser['configinstall']])
|
|
|
|
parser['install'].set_defaults(func=install)
|
|
|
|
|
|
|
|
for p in parser:
|
|
|
|
parser[p].epilog = "Get cdist at http://www.nico.schottelius.org/software/cdist/"
|
|
|
|
|
|
|
|
args = parser['main'].parse_args(sys.argv[1:])
|
|
|
|
|
|
|
|
# Most subcommands have --debug, so handle it here
|
|
|
|
if 'debug' in args:
|
|
|
|
if args.debug:
|
|
|
|
logging.root.setLevel(logging.DEBUG)
|
|
|
|
log.debug(args)
|
|
|
|
|
|
|
|
args.func(args)
|
2011-09-19 12:38:52 +00:00
|
|
|
|
2011-09-23 18:08:55 +00:00
|
|
|
|
2011-09-19 12:38:52 +00:00
|
|
|
if __name__ == "__main__":
|
2011-09-23 14:38:47 +00:00
|
|
|
try:
|
|
|
|
if re.match(TYPE_PREFIX, os.path.basename(sys.argv[0])):
|
|
|
|
emulator()
|
|
|
|
else:
|
2011-09-23 18:08:55 +00:00
|
|
|
# Add our own library path
|
|
|
|
sys.path.insert(0,
|
|
|
|
os.path.abspath(os.path.join(os.path.dirname(__file__),
|
|
|
|
'../lib')))
|
|
|
|
|
|
|
|
import cdist.path
|
|
|
|
|
2011-09-23 14:38:47 +00:00
|
|
|
commandline()
|
|
|
|
except KeyboardInterrupt:
|
2011-09-23 14:50:51 +00:00
|
|
|
sys.exit(0)
|
|
|
|
except CdistError as e:
|
|
|
|
log.error(e)
|
|
|
|
sys.exit(1)
|