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271 lines
9.1 KiB
271 lines
9.1 KiB
# -*- coding: utf-8 -*-
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#
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# 2010-2015 Nico Schottelius (nico-cdist at schottelius.org)
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# 2012-2017 Steven Armstrong (steven-cdist at armstrong.cc)
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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 os
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import hashlib
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import cdist.log
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import cdist.version
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VERSION = cdist.version.VERSION
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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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REMOTE_COPY = "scp -o User=root -q"
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REMOTE_EXEC = "ssh -o User=root"
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REMOTE_CMDS_CLEANUP_PATTERN = "ssh -o User=root -O exit -S {}"
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class Error(Exception):
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"""Base exception class for this project"""
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pass
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class UnresolvableRequirementsError(cdist.Error):
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"""Resolving requirements failed"""
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pass
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class CdistBetaRequired(cdist.Error):
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"""Beta functionality is used but beta is not enabled"""
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def __init__(self, command, arg=None):
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self.command = command
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self.arg = arg
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def __str__(self):
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if self.arg is None:
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err_msg = ("\'{}\' command is beta, but beta is "
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"not enabled. If you want to use it please enable beta "
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"functionalities by using the -b/--beta command "
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"line flag or setting CDIST_BETA env var.")
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fmt_args = [self.command, ]
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else:
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err_msg = ("\'{}\' argument of \'{}\' command is beta, but beta "
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"is not enabled. If you want to use it please enable "
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"beta functionalities by using the -b/--beta "
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"command line flag or setting CDIST_BETA env var.")
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fmt_args = [self.arg, self.command, ]
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return err_msg.format(*fmt_args)
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class CdistEntityError(Error):
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"""Something went wrong while executing cdist entity"""
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def __init__(self, entity_name, entity_params, stdout_paths,
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stderr_paths, subject=''):
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self.entity_name = entity_name
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self.entity_params = entity_params
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self.stderr_paths = stderr_paths
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self.stdout_paths = stdout_paths
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if isinstance(subject, Error):
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self.original_error = subject
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else:
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self.original_error = None
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self.message = str(subject)
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def _stdpath(self, stdpaths, header_name):
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result = {}
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for name, path in stdpaths:
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if name not in result:
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result[name] = []
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try:
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if os.path.exists(path) and os.path.getsize(path) > 0:
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output = []
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label_begin = name + ":" + header_name
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output.append(label_begin)
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output.append('\n')
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output.append('-' * len(label_begin))
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output.append('\n')
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with open(path, 'r') as fd:
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output.append(fd.read())
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output.append('\n')
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result[name].append(''.join(output))
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except UnicodeError as ue:
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result[name].append(('Cannot output {}:{} due to: {}.\n'
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'You can try to read the error file "{}"'
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' yourself.').format(
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name, header_name, ue, path))
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return result
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def _stderr(self):
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return self._stdpath(self.stderr_paths, 'stderr')
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def _stdout(self):
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return self._stdpath(self.stdout_paths, 'stdout')
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def _update_dict_list(self, target, source):
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for x in source:
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if x not in target:
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target[x] = []
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target[x].extend(source[x])
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@property
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def std_streams(self):
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std_dict = {}
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self._update_dict_list(std_dict, self._stdout())
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self._update_dict_list(std_dict, self._stderr())
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return std_dict
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def __str__(self):
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output = []
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output.append(self.message)
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output.append('\n\n')
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header = "Error processing " + self.entity_name
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under_header = '=' * len(header)
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output.append(header)
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output.append('\n')
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output.append(under_header)
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output.append('\n')
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for param_name, param_value in self.entity_params:
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output.append(param_name + ': ' + str(param_value))
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output.append('\n')
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output.append('\n')
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for x in self.std_streams:
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output.append(''.join(self.std_streams[x]))
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return ''.join(output)
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class CdistObjectError(CdistEntityError):
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"""Something went wrong while working on a specific cdist object"""
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def __init__(self, cdist_object, subject=''):
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params = [
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('name', cdist_object.name, ),
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('path', cdist_object.absolute_path, ),
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('source', " ".join(cdist_object.source), ),
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('type', os.path.realpath(
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cdist_object.cdist_type.absolute_path), ),
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]
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stderr_paths = []
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for stderr_name in os.listdir(cdist_object.stderr_path):
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stderr_path = os.path.join(cdist_object.stderr_path,
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stderr_name)
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stderr_paths.append((stderr_name, stderr_path, ))
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stdout_paths = []
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for stdout_name in os.listdir(cdist_object.stdout_path):
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stdout_path = os.path.join(cdist_object.stdout_path,
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stdout_name)
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stdout_paths.append((stdout_name, stdout_path, ))
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super().__init__("object '{}'".format(cdist_object.name),
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params, stdout_paths, stderr_paths, subject)
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class CdistObjectExplorerError(CdistEntityError):
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"""
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Something went wrong while working on a specific
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cdist object explorer
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"""
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def __init__(self, cdist_object, explorer_name, explorer_path,
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stderr_path, subject=''):
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params = [
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('object name', cdist_object.name, ),
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('object path', cdist_object.absolute_path, ),
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('object source', " ".join(cdist_object.source), ),
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('object type', os.path.realpath(
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cdist_object.cdist_type.absolute_path), ),
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('explorer name', explorer_name, ),
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('explorer path', explorer_path, ),
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]
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stdout_paths = []
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stderr_paths = [
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('remote', stderr_path, ),
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]
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super().__init__("explorer '{}' of object '{}'".format(
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explorer_name, cdist_object.name), params, stdout_paths,
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stderr_paths, subject)
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class InitialManifestError(CdistEntityError):
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"""Something went wrong while executing initial manifest"""
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def __init__(self, initial_manifest, stdout_path, stderr_path, subject=''):
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params = [
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('path', initial_manifest, ),
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]
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stdout_paths = [
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('init', stdout_path, ),
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]
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stderr_paths = [
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('init', stderr_path, ),
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]
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super().__init__('initial manifest', params, stdout_paths,
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stderr_paths, subject)
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class GlobalExplorerError(CdistEntityError):
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"""Something went wrong while executing global explorer"""
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def __init__(self, name, path, stderr_path, subject=''):
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params = [
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('name', name, ),
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('path', path, ),
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]
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stderr_paths = [
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('remote', stderr_path, ),
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]
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super().__init__("global explorer '{}'".format(name),
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params, [], stderr_paths, subject)
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def file_to_list(filename):
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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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# 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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return lines
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def str_hash(s):
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"""Return hash of string s"""
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if isinstance(s, str):
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return hashlib.md5(s.encode('utf-8')).hexdigest()
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else:
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raise Error("Param should be string")
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def home_dir():
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if 'HOME' in os.environ:
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home = os.environ['HOME']
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if home:
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rv = os.path.join(home, ".cdist")
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else:
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rv = None
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else:
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rv = None
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return rv
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