mirror of
https://github.com/valitydev/salt.git
synced 2024-11-08 17:33:54 +00:00
6360ecd3b3
Conflicts: - salt/cloud/clouds/scaleway.py - salt/config/__init__.py - salt/log/mixins.py - salt/minion.py - salt/modules/ps.py - salt/utils/decorators/__init__.py - salt/utils/schema.py - tests/unit/modules/etcd_mod_test.py - tests/unit/modules/file_test.py
1385 lines
48 KiB
Python
1385 lines
48 KiB
Python
# -*- coding: utf-8 -*-
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'''
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Classes that manage file clients
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'''
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from __future__ import absolute_import
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# Import python libs
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import contextlib
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import logging
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import hashlib
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import os
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import shutil
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import ftplib
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from tornado.httputil import parse_response_start_line, HTTPInputError
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# Import salt libs
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from salt.exceptions import (
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CommandExecutionError, MinionError
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)
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import salt.client
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import salt.crypt
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import salt.loader
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import salt.payload
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import salt.transport
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import salt.fileserver
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import salt.utils
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import salt.utils.files
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import salt.utils.templates
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import salt.utils.url
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import salt.utils.gzip_util
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import salt.utils.http
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import salt.utils.s3
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from salt.utils.locales import sdecode
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from salt.utils.openstack.swift import SaltSwift
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# pylint: disable=no-name-in-module,import-error
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import salt.ext.six.moves.BaseHTTPServer as BaseHTTPServer
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from salt.ext.six.moves.urllib.error import HTTPError, URLError
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from salt.ext.six.moves.urllib.parse import urlparse, urlunparse
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# pylint: enable=no-name-in-module,import-error
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log = logging.getLogger(__name__)
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def get_file_client(opts, pillar=False):
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'''
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Read in the ``file_client`` option and return the correct type of file
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server
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'''
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client = opts.get('file_client', 'remote')
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if pillar and client == 'local':
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client = 'pillar'
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return {
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'remote': RemoteClient,
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'local': FSClient,
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'pillar': LocalClient,
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}.get(client, RemoteClient)(opts)
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class Client(object):
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'''
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Base class for Salt file interactions
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'''
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def __init__(self, opts):
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self.opts = opts
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self.serial = salt.payload.Serial(self.opts)
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# Add __setstate__ and __getstate__ so that the object may be
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# deep copied. It normally can't be deep copied because its
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# constructor requires an 'opts' parameter.
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# The TCP transport needs to be able to deep copy this class
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# due to 'salt.utils.context.ContextDict.clone'.
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def __setstate__(self, state):
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# This will polymorphically call __init__
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# in the derived class.
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self.__init__(state['opts'])
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def __getstate__(self):
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return {'opts': self.opts}
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def _check_proto(self, path):
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'''
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Make sure that this path is intended for the salt master and trim it
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'''
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if not path.startswith('salt://'):
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raise MinionError(u'Unsupported path: {0}'.format(path))
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file_path, saltenv = salt.utils.url.parse(path)
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return file_path
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def _file_local_list(self, dest):
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'''
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Helper util to return a list of files in a directory
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'''
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if os.path.isdir(dest):
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destdir = dest
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else:
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destdir = os.path.dirname(dest)
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filelist = set()
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for root, dirs, files in os.walk(destdir, followlinks=True):
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for name in files:
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path = os.path.join(root, name)
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filelist.add(path)
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return filelist
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@contextlib.contextmanager
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def _cache_loc(self, path, saltenv='base', env=None, cachedir=None):
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'''
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Return the local location to cache the file, cache dirs will be made
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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if cachedir is None:
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cachedir = self.opts['cachedir']
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elif not os.path.isabs(cachedir):
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cachedir = os.path.join(self.opts['cachedir'], cachedir)
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dest = salt.utils.path_join(cachedir,
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'files',
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saltenv,
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path)
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destdir = os.path.dirname(dest)
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cumask = os.umask(63)
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if not os.path.isdir(destdir):
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# remove destdir if it is a regular file to avoid an OSError when
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# running os.makedirs below
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if os.path.isfile(destdir):
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os.remove(destdir)
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os.makedirs(destdir)
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yield dest
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os.umask(cumask)
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def get_file(self,
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path,
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dest='',
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makedirs=False,
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saltenv='base',
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gzip=None,
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env=None,
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cachedir=None):
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'''
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Copies a file from the local files or master depending on
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implementation
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'''
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raise NotImplementedError
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def file_list_emptydirs(self, saltenv='base', prefix='', env=None):
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'''
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List the empty dirs
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'''
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raise NotImplementedError
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def cache_file(self, path, saltenv='base', env=None, cachedir=None):
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'''
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Pull a file down from the file server and store it in the minion
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file cache
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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return self.get_url(path, '', True, saltenv, cachedir=cachedir)
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def cache_files(self, paths, saltenv='base', env=None, cachedir=None):
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'''
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Download a list of files stored on the master and put them in the
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minion file cache
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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ret = []
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if isinstance(paths, str):
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paths = paths.split(',')
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for path in paths:
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ret.append(self.cache_file(path, saltenv, cachedir=cachedir))
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return ret
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def cache_master(self, saltenv='base', env=None, cachedir=None):
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'''
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Download and cache all files on a master in a specified environment
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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ret = []
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for path in self.file_list(saltenv):
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ret.append(
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self.cache_file(
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salt.utils.url.create(path), saltenv, cachedir=cachedir)
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)
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return ret
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def cache_dir(self, path, saltenv='base', include_empty=False,
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include_pat=None, exclude_pat=None, env=None, cachedir=None):
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'''
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Download all of the files in a subdir of the master
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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ret = []
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path = self._check_proto(sdecode(path))
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# We want to make sure files start with this *directory*, use
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# '/' explicitly because the master (that's generating the
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# list of files) only runs on POSIX
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if not path.endswith('/'):
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path = path + '/'
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log.info(
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'Caching directory \'{0}\' for environment \'{1}\''.format(
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path, saltenv
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)
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)
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# go through the list of all files finding ones that are in
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# the target directory and caching them
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for fn_ in self.file_list(saltenv):
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fn_ = sdecode(fn_)
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if fn_.strip() and fn_.startswith(path):
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if salt.utils.check_include_exclude(
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fn_, include_pat, exclude_pat):
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fn_ = self.cache_file(
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salt.utils.url.create(fn_), saltenv, cachedir=cachedir)
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if fn_:
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ret.append(fn_)
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if include_empty:
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# Break up the path into a list containing the bottom-level
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# directory (the one being recursively copied) and the directories
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# preceding it
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# separated = string.rsplit(path, '/', 1)
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# if len(separated) != 2:
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# # No slashes in path. (So all files in saltenv will be copied)
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# prefix = ''
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# else:
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# prefix = separated[0]
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if cachedir is None:
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cachedir = self.opts['cachedir']
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elif not os.path.isabs(cachedir):
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cachedir = os.path.join(self.opts['cachdir'], cachedir)
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dest = salt.utils.path_join(cachedir, 'files', saltenv)
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for fn_ in self.file_list_emptydirs(saltenv):
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fn_ = sdecode(fn_)
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if fn_.startswith(path):
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minion_dir = '{0}/{1}'.format(dest, fn_)
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if not os.path.isdir(minion_dir):
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os.makedirs(minion_dir)
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ret.append(minion_dir)
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return ret
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def cache_local_file(self, path, **kwargs):
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'''
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Cache a local file on the minion in the localfiles cache
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'''
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dest = os.path.join(self.opts['cachedir'], 'localfiles',
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path.lstrip('/'))
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destdir = os.path.dirname(dest)
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if not os.path.isdir(destdir):
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os.makedirs(destdir)
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shutil.copyfile(path, dest)
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return dest
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def file_local_list(self, saltenv='base', env=None):
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'''
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List files in the local minion files and localfiles caches
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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filesdest = os.path.join(self.opts['cachedir'], 'files', saltenv)
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localfilesdest = os.path.join(self.opts['cachedir'], 'localfiles')
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fdest = self._file_local_list(filesdest)
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ldest = self._file_local_list(localfilesdest)
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return sorted(fdest.union(ldest))
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def file_list(self, saltenv='base', prefix='', env=None):
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'''
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This function must be overwritten
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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return []
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def dir_list(self, saltenv='base', prefix='', env=None):
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'''
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This function must be overwritten
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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return []
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def symlink_list(self, saltenv='base', prefix='', env=None):
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'''
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This function must be overwritten
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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return {}
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def is_cached(self, path, saltenv='base', env=None, cachedir=None):
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'''
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Returns the full path to a file if it is cached locally on the minion
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otherwise returns a blank string
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'''
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if env is not None:
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salt.utils.warn_until(
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'Carbon',
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'Passing a salt environment should be done using \'saltenv\' '
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'not \'env\'. This functionality will be removed in Salt '
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'Carbon.'
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)
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# Backwards compatibility
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saltenv = env
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if path.startswith('salt://'):
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path, senv = salt.utils.url.parse(path)
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if senv:
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saltenv = senv
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escaped = True if salt.utils.url.is_escaped(path) else False
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# also strip escape character '|'
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localsfilesdest = os.path.join(
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self.opts['cachedir'], 'localfiles', path.lstrip('|/'))
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filesdest = os.path.join(
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self.opts['cachedir'], 'files', saltenv, path.lstrip('|/'))
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extrndest = self._extrn_path(path, saltenv, cachedir=cachedir)
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if os.path.exists(filesdest):
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return salt.utils.url.escape(filesdest) if escaped else filesdest
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elif os.path.exists(localsfilesdest):
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return salt.utils.url.escape(localsfilesdest) \
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if escaped \
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else localsfilesdest
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elif os.path.exists(extrndest):
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return extrndest
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return ''
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def list_states(self, saltenv):
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'''
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Return a list of all available sls modules on the master for a given
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environment
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'''
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limit_traversal = self.opts.get('fileserver_limit_traversal', False)
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states = []
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if limit_traversal:
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if saltenv not in self.opts['file_roots']:
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log.warning(
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'During an attempt to list states for saltenv \'{0}\', '
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'the environment could not be found in the configured '
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'file roots'.format(saltenv)
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)
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return states
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for path in self.opts['file_roots'][saltenv]:
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for root, dirs, files in os.walk(path, topdown=True):
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log.debug('Searching for states in dirs {0} and files '
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'{1}'.format(dirs, files))
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if not [filename.endswith('.sls') for filename in files]:
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# Use shallow copy so we don't disturb the memory used by os.walk. Otherwise this breaks!
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del dirs[:]
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else:
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for found_file in files:
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stripped_root = os.path.relpath(root, path).replace('/', '.')
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if salt.utils.is_windows():
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stripped_root = stripped_root.replace('\\', '/')
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if found_file.endswith(('.sls')):
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if found_file.endswith('init.sls'):
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if stripped_root.endswith('.'):
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stripped_root = stripped_root.rstrip('.')
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states.append(stripped_root)
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else:
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if not stripped_root.endswith('.'):
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stripped_root += '.'
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if stripped_root.startswith('.'):
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stripped_root = stripped_root.lstrip('.')
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states.append(stripped_root + found_file[:-4])
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else:
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for path in self.file_list(saltenv):
|
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if salt.utils.is_windows():
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path = path.replace('\\', '/')
|
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if path.endswith('.sls'):
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# is an sls module!
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if path.endswith('{0}init.sls'.format('/')):
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states.append(path.replace('/', '.')[:-9])
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else:
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states.append(path.replace('/', '.')[:-4])
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return states
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|
|
|
def get_state(self, sls, saltenv, cachedir=None):
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'''
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|
Get a state file from the master and store it in the local minion
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cache; return the location of the file
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|
'''
|
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if '.' in sls:
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sls = sls.replace('.', '/')
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sls_url = salt.utils.url.create(sls + '.sls')
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init_url = salt.utils.url.create(sls + '/init.sls')
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for path in [sls_url, init_url]:
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dest = self.cache_file(path, saltenv, cachedir=cachedir)
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if dest:
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return {'source': path, 'dest': dest}
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return {}
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|
|
|
def get_dir(self, path, dest='', saltenv='base', gzip=None, env=None,
|
|
cachedir=None):
|
|
'''
|
|
Get a directory recursively from the salt-master
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
ret = []
|
|
# Strip trailing slash
|
|
path = self._check_proto(path).rstrip('/')
|
|
# Break up the path into a list containing the bottom-level directory
|
|
# (the one being recursively copied) and the directories preceding it
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|
separated = path.rsplit('/', 1)
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if len(separated) != 2:
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|
# No slashes in path. (This means all files in env will be copied)
|
|
prefix = ''
|
|
else:
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prefix = separated[0]
|
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|
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# Copy files from master
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|
for fn_ in self.file_list(saltenv, prefix=path):
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|
# Prevent files in "salt://foobar/" (or salt://foo.sh) from
|
|
# matching a path of "salt://foo"
|
|
try:
|
|
if fn_[len(path)] != '/':
|
|
continue
|
|
except IndexError:
|
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continue
|
|
# Remove the leading directories from path to derive
|
|
# the relative path on the minion.
|
|
minion_relpath = fn_[len(prefix):].lstrip('/')
|
|
ret.append(
|
|
self.get_file(
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|
salt.utils.url.create(fn_),
|
|
'{0}/{1}'.format(dest, minion_relpath),
|
|
True, saltenv, gzip
|
|
)
|
|
)
|
|
# Replicate empty dirs from master
|
|
try:
|
|
for fn_ in self.file_list_emptydirs(saltenv, prefix=path):
|
|
# Prevent an empty dir "salt://foobar/" from matching a path of
|
|
# "salt://foo"
|
|
try:
|
|
if fn_[len(path)] != '/':
|
|
continue
|
|
except IndexError:
|
|
continue
|
|
# Remove the leading directories from path to derive
|
|
# the relative path on the minion.
|
|
minion_relpath = fn_[len(prefix):].lstrip('/')
|
|
minion_mkdir = '{0}/{1}'.format(dest, minion_relpath)
|
|
if not os.path.isdir(minion_mkdir):
|
|
os.makedirs(minion_mkdir)
|
|
ret.append(minion_mkdir)
|
|
except TypeError:
|
|
pass
|
|
ret.sort()
|
|
return ret
|
|
|
|
def get_url(self, url, dest, makedirs=False, saltenv='base', env=None,
|
|
no_cache=False, cachedir=None):
|
|
'''
|
|
Get a single file from a URL.
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
url_data = urlparse(url)
|
|
|
|
if url_data.scheme in ('file', ''):
|
|
# Local filesystem
|
|
if not os.path.isabs(url_data.path):
|
|
raise CommandExecutionError(
|
|
'Path \'{0}\' is not absolute'.format(url_data.path)
|
|
)
|
|
return url_data.path
|
|
|
|
if url_data.scheme == 'salt':
|
|
return self.get_file(
|
|
url, dest, makedirs, saltenv, cachedir=cachedir)
|
|
if dest:
|
|
destdir = os.path.dirname(dest)
|
|
if not os.path.isdir(destdir):
|
|
if makedirs:
|
|
os.makedirs(destdir)
|
|
else:
|
|
return ''
|
|
elif not no_cache:
|
|
dest = self._extrn_path(url, saltenv, cachedir=cachedir)
|
|
destdir = os.path.dirname(dest)
|
|
if not os.path.isdir(destdir):
|
|
os.makedirs(destdir)
|
|
|
|
if url_data.scheme == 's3':
|
|
try:
|
|
def s3_opt(key, default=None):
|
|
'''Get value of s3.<key> from Minion config or from Pillar'''
|
|
if 's3.' + key in self.opts:
|
|
return self.opts['s3.' + key]
|
|
try:
|
|
return self.opts['pillar']['s3'][key]
|
|
except (KeyError, TypeError):
|
|
return default
|
|
salt.utils.s3.query(method='GET',
|
|
bucket=url_data.netloc,
|
|
path=url_data.path[1:],
|
|
return_bin=False,
|
|
local_file=dest,
|
|
action=None,
|
|
key=s3_opt('key'),
|
|
keyid=s3_opt('keyid'),
|
|
service_url=s3_opt('service_url'),
|
|
verify_ssl=s3_opt('verify_ssl', True),
|
|
location=s3_opt('location'))
|
|
return dest
|
|
except Exception as exc:
|
|
raise MinionError(
|
|
'Could not fetch from {0}. Exception: {1}'.format(url, exc)
|
|
)
|
|
if url_data.scheme == 'ftp':
|
|
try:
|
|
ftp = ftplib.FTP(url_data.hostname)
|
|
ftp.login()
|
|
with salt.utils.fopen(dest, 'wb') as fp_:
|
|
ftp.retrbinary('RETR {0}'.format(url_data.path), fp_.write)
|
|
return dest
|
|
except Exception as exc:
|
|
raise MinionError('Could not retrieve {0} from FTP server. Exception: {1}'.format(url, exc))
|
|
|
|
if url_data.scheme == 'swift':
|
|
try:
|
|
def swift_opt(key, default):
|
|
'''Get value of <key> from Minion config or from Pillar'''
|
|
if key in self.opts:
|
|
return self.opts[key]
|
|
try:
|
|
return self.opts['pillar'][key]
|
|
except (KeyError, TypeError):
|
|
return default
|
|
|
|
swift_conn = SaltSwift(swift_opt('keystone.user', None),
|
|
swift_opt('keystone.tenant', None),
|
|
swift_opt('keystone.auth_url', None),
|
|
swift_opt('keystone.password', None))
|
|
|
|
swift_conn.get_object(url_data.netloc,
|
|
url_data.path[1:],
|
|
dest)
|
|
return dest
|
|
except Exception:
|
|
raise MinionError('Could not fetch from {0}'.format(url))
|
|
|
|
get_kwargs = {}
|
|
if url_data.username is not None \
|
|
and url_data.scheme in ('http', 'https'):
|
|
netloc = url_data.netloc
|
|
at_sign_pos = netloc.rfind('@')
|
|
if at_sign_pos != -1:
|
|
netloc = netloc[at_sign_pos + 1:]
|
|
fixed_url = urlunparse(
|
|
(url_data.scheme, netloc, url_data.path,
|
|
url_data.params, url_data.query, url_data.fragment))
|
|
get_kwargs['auth'] = (url_data.username, url_data.password)
|
|
else:
|
|
fixed_url = url
|
|
|
|
destfp = None
|
|
try:
|
|
# Tornado calls streaming_callback on redirect response bodies.
|
|
# But we need streaming to support fetching large files (> RAM avail).
|
|
# Here we working this around by disabling recording the body for redirections.
|
|
# The issue is fixed in Tornado 4.3.0 so on_header callback could be removed
|
|
# when we'll deprecate Tornado<4.3.0.
|
|
# See #27093 and #30431 for details.
|
|
|
|
# Use list here to make it writable inside the on_header callback. Simple bool doesn't
|
|
# work here: on_header creates a new local variable instead. This could be avoided in
|
|
# Py3 with 'nonlocal' statement. There is no Py2 alternative for this.
|
|
write_body = [False]
|
|
|
|
def on_header(hdr):
|
|
try:
|
|
hdr = parse_response_start_line(hdr)
|
|
except HTTPInputError:
|
|
# Not the first line, do nothing
|
|
return
|
|
write_body[0] = hdr.code not in [301, 302, 303, 307]
|
|
|
|
if no_cache:
|
|
result = []
|
|
|
|
def on_chunk(chunk):
|
|
if write_body[0]:
|
|
result.append(chunk)
|
|
else:
|
|
dest_tmp = "{0}.part".format(dest)
|
|
destfp = salt.utils.fopen(dest_tmp, 'wb')
|
|
|
|
def on_chunk(chunk):
|
|
if write_body[0]:
|
|
destfp.write(chunk)
|
|
|
|
query = salt.utils.http.query(
|
|
fixed_url,
|
|
stream=True,
|
|
streaming_callback=on_chunk,
|
|
header_callback=on_header,
|
|
username=url_data.username,
|
|
password=url_data.password,
|
|
**get_kwargs
|
|
)
|
|
if 'handle' not in query:
|
|
raise MinionError('Error: {0} reading {1}'.format(query['error'], url))
|
|
if no_cache:
|
|
return ''.join(result)
|
|
else:
|
|
destfp.close()
|
|
destfp = None
|
|
salt.utils.files.rename(dest_tmp, dest)
|
|
return dest
|
|
except HTTPError as exc:
|
|
raise MinionError('HTTP error {0} reading {1}: {3}'.format(
|
|
exc.code,
|
|
url,
|
|
*BaseHTTPServer.BaseHTTPRequestHandler.responses[exc.code]))
|
|
except URLError as exc:
|
|
raise MinionError('Error reading {0}: {1}'.format(url, exc.reason))
|
|
finally:
|
|
if destfp is not None:
|
|
destfp.close()
|
|
|
|
def get_template(
|
|
self,
|
|
url,
|
|
dest,
|
|
template='jinja',
|
|
makedirs=False,
|
|
saltenv='base',
|
|
env=None,
|
|
cachedir=None,
|
|
**kwargs):
|
|
'''
|
|
Cache a file then process it as a template
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
kwargs['saltenv'] = saltenv
|
|
url_data = urlparse(url)
|
|
sfn = self.cache_file(url, saltenv, cachedir=cachedir)
|
|
if not os.path.exists(sfn):
|
|
return ''
|
|
if template in salt.utils.templates.TEMPLATE_REGISTRY:
|
|
data = salt.utils.templates.TEMPLATE_REGISTRY[template](
|
|
sfn,
|
|
**kwargs
|
|
)
|
|
else:
|
|
log.error('Attempted to render template with unavailable engine '
|
|
'{0}'.format(template))
|
|
return ''
|
|
if not data['result']:
|
|
# Failed to render the template
|
|
log.error(
|
|
'Failed to render template with error: {0}'.format(
|
|
data['data']
|
|
)
|
|
)
|
|
return ''
|
|
if not dest:
|
|
# No destination passed, set the dest as an extrn_files cache
|
|
dest = self._extrn_path(url, saltenv, cachedir=cachedir)
|
|
# If Salt generated the dest name, create any required dirs
|
|
makedirs = True
|
|
|
|
destdir = os.path.dirname(dest)
|
|
if not os.path.isdir(destdir):
|
|
if makedirs:
|
|
os.makedirs(destdir)
|
|
else:
|
|
salt.utils.safe_rm(data['data'])
|
|
return ''
|
|
shutil.move(data['data'], dest)
|
|
return dest
|
|
|
|
def _extrn_path(self, url, saltenv, cachedir=None):
|
|
'''
|
|
Return the extn_filepath for a given url
|
|
'''
|
|
url_data = urlparse(url)
|
|
if salt.utils.is_windows():
|
|
netloc = salt.utils.sanitize_win_path_string(url_data.netloc)
|
|
else:
|
|
netloc = url_data.netloc
|
|
|
|
if cachedir is None:
|
|
cachedir = self.opts['cachedir']
|
|
elif not os.path.isabs(cachedir):
|
|
cachedir = os.path.join(self.opts['cachedir'], cachedir)
|
|
|
|
return salt.utils.path_join(
|
|
cachedir,
|
|
'extrn_files',
|
|
saltenv,
|
|
netloc,
|
|
url_data.path
|
|
)
|
|
|
|
|
|
class LocalClient(Client):
|
|
'''
|
|
Use the local_roots option to parse a local file root
|
|
'''
|
|
def __init__(self, opts):
|
|
Client.__init__(self, opts)
|
|
|
|
def _find_file(self, path, saltenv='base'):
|
|
'''
|
|
Locate the file path
|
|
'''
|
|
fnd = {'path': '',
|
|
'rel': ''}
|
|
|
|
if saltenv not in self.opts['file_roots']:
|
|
return fnd
|
|
if salt.utils.url.is_escaped(path):
|
|
# The path arguments are escaped
|
|
path = salt.utils.url.unescape(path)
|
|
for root in self.opts['file_roots'][saltenv]:
|
|
full = os.path.join(root, path)
|
|
if os.path.isfile(full):
|
|
fnd['path'] = full
|
|
fnd['rel'] = path
|
|
return fnd
|
|
return fnd
|
|
|
|
def get_file(self,
|
|
path,
|
|
dest='',
|
|
makedirs=False,
|
|
saltenv='base',
|
|
gzip=None,
|
|
env=None,
|
|
cachedir=None):
|
|
'''
|
|
Copies a file from the local files directory into :param:`dest`
|
|
gzip compression settings are ignored for local files
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
path = self._check_proto(path)
|
|
fnd = self._find_file(path, saltenv)
|
|
if not fnd['path']:
|
|
return ''
|
|
return fnd['path']
|
|
|
|
def file_list(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
Return a list of files in the given environment
|
|
with optional relative prefix path to limit directory traversal
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
ret = []
|
|
if saltenv not in self.opts['file_roots']:
|
|
return ret
|
|
prefix = prefix.strip('/')
|
|
for path in self.opts['file_roots'][saltenv]:
|
|
for root, dirs, files in os.walk(
|
|
os.path.join(path, prefix), followlinks=True
|
|
):
|
|
for fname in files:
|
|
relpath = os.path.relpath(os.path.join(root, fname), path)
|
|
ret.append(sdecode(relpath))
|
|
return ret
|
|
|
|
def file_list_emptydirs(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
List the empty dirs in the file_roots
|
|
with optional relative prefix path to limit directory traversal
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
ret = []
|
|
prefix = prefix.strip('/')
|
|
if saltenv not in self.opts['file_roots']:
|
|
return ret
|
|
for path in self.opts['file_roots'][saltenv]:
|
|
for root, dirs, files in os.walk(
|
|
os.path.join(path, prefix), followlinks=True
|
|
):
|
|
if len(dirs) == 0 and len(files) == 0:
|
|
ret.append(sdecode(os.path.relpath(root, path)))
|
|
return ret
|
|
|
|
def dir_list(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
List the dirs in the file_roots
|
|
with optional relative prefix path to limit directory traversal
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
ret = []
|
|
if saltenv not in self.opts['file_roots']:
|
|
return ret
|
|
prefix = prefix.strip('/')
|
|
for path in self.opts['file_roots'][saltenv]:
|
|
for root, dirs, files in os.walk(
|
|
os.path.join(path, prefix), followlinks=True
|
|
):
|
|
ret.append(sdecode(os.path.relpath(root, path)))
|
|
return ret
|
|
|
|
def hash_file(self, path, saltenv='base', env=None):
|
|
'''
|
|
Return the hash of a file, to get the hash of a file in the file_roots
|
|
prepend the path with salt://<file on server> otherwise, prepend the
|
|
file with / for a local file.
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
ret = {}
|
|
try:
|
|
path = self._check_proto(path)
|
|
except MinionError:
|
|
if not os.path.isfile(path):
|
|
err = 'Specified file {0} is not present to generate hash'
|
|
log.warning(err.format(path))
|
|
return ret
|
|
else:
|
|
opts_hash_type = self.opts.get('hash_type', 'md5')
|
|
hash_type = getattr(hashlib, opts_hash_type)
|
|
ret['hsum'] = salt.utils.get_hash(
|
|
path, form=hash_type)
|
|
ret['hash_type'] = opts_hash_type
|
|
return ret
|
|
path = self._find_file(path, saltenv)['path']
|
|
if not path:
|
|
return {}
|
|
ret = {}
|
|
ret['hsum'] = salt.utils.get_hash(path, self.opts['hash_type'])
|
|
ret['hash_type'] = self.opts['hash_type']
|
|
return ret
|
|
|
|
def list_env(self, saltenv='base', env=None):
|
|
'''
|
|
Return a list of the files in the file server's specified environment
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
return self.file_list(saltenv)
|
|
|
|
def master_opts(self):
|
|
'''
|
|
Return the master opts data
|
|
'''
|
|
return self.opts
|
|
|
|
def envs(self):
|
|
'''
|
|
Return the available environments
|
|
'''
|
|
ret = []
|
|
for saltenv in self.opts['file_roots']:
|
|
ret.append(saltenv)
|
|
return ret
|
|
|
|
def ext_nodes(self):
|
|
'''
|
|
Originally returned information via the external_nodes subsystem.
|
|
External_nodes was deprecated and removed in
|
|
2014.1.6 in favor of master_tops (which had been around since pre-0.17).
|
|
salt-call --local state.show_top
|
|
ends up here, but master_tops has not been extended to support
|
|
show_top in a completely local environment yet. It's worth noting
|
|
that originally this fn started with
|
|
if 'external_nodes' not in opts: return {}
|
|
So since external_nodes is gone now, we are just returning the
|
|
empty dict.
|
|
'''
|
|
return {}
|
|
|
|
|
|
class RemoteClient(Client):
|
|
'''
|
|
Interact with the salt master file server.
|
|
'''
|
|
def __init__(self, opts):
|
|
Client.__init__(self, opts)
|
|
self.channel = salt.transport.Channel.factory(self.opts)
|
|
if hasattr(self.channel, 'auth'):
|
|
self.auth = self.channel.auth
|
|
else:
|
|
self.auth = ''
|
|
|
|
def _refresh_channel(self):
|
|
'''
|
|
Reset the channel, in the event of an interruption
|
|
'''
|
|
self.channel = salt.transport.Channel.factory(self.opts)
|
|
return self.channel
|
|
|
|
def get_file(self,
|
|
path,
|
|
dest='',
|
|
makedirs=False,
|
|
saltenv='base',
|
|
gzip=None,
|
|
env=None,
|
|
cachedir=None):
|
|
'''
|
|
Get a single file from the salt-master
|
|
path must be a salt server location, aka, salt://path/to/file, if
|
|
dest is omitted, then the downloaded file will be placed in the minion
|
|
cache
|
|
'''
|
|
path, senv = salt.utils.url.split_env(path)
|
|
if senv:
|
|
saltenv = senv
|
|
|
|
# Check if file exists on server, before creating files and
|
|
# directories
|
|
hash_server = self.hash_file(path, saltenv)
|
|
if hash_server == '':
|
|
log.debug(
|
|
'Could not find file from saltenv \'{0}\', \'{1}\''.format(
|
|
saltenv, path
|
|
)
|
|
)
|
|
return False
|
|
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
# Hash compare local copy with master and skip download
|
|
# if no difference found.
|
|
dest2check = dest
|
|
if not dest2check:
|
|
rel_path = self._check_proto(path)
|
|
|
|
log.debug(
|
|
'In saltenv \'{0}\', looking at rel_path \'{1}\' to resolve '
|
|
'\'{2}\''.format(saltenv, rel_path, path)
|
|
)
|
|
with self._cache_loc(
|
|
rel_path, saltenv, cachedir=cachedir) as cache_dest:
|
|
dest2check = cache_dest
|
|
|
|
log.debug(
|
|
'In saltenv \'{0}\', ** considering ** path \'{1}\' to resolve '
|
|
'\'{2}\''.format(saltenv, dest2check, path)
|
|
)
|
|
|
|
if dest2check and os.path.isfile(dest2check):
|
|
hash_local = self.hash_file(dest2check, saltenv)
|
|
if hash_local == hash_server:
|
|
log.info(
|
|
'Fetching file from saltenv \'{0}\', ** skipped ** '
|
|
'latest already in cache \'{1}\''.format(
|
|
saltenv, path
|
|
)
|
|
)
|
|
return dest2check
|
|
|
|
log.debug(
|
|
'Fetching file from saltenv \'{0}\', ** attempting ** '
|
|
'\'{1}\''.format(saltenv, path)
|
|
)
|
|
d_tries = 0
|
|
transport_tries = 0
|
|
path = self._check_proto(path)
|
|
load = {'path': path,
|
|
'saltenv': saltenv,
|
|
'cmd': '_serve_file'}
|
|
if gzip:
|
|
gzip = int(gzip)
|
|
load['gzip'] = gzip
|
|
|
|
fn_ = None
|
|
if dest:
|
|
destdir = os.path.dirname(dest)
|
|
if not os.path.isdir(destdir):
|
|
if makedirs:
|
|
os.makedirs(destdir)
|
|
else:
|
|
return False
|
|
fn_ = salt.utils.fopen(dest, 'wb+')
|
|
else:
|
|
log.debug('No dest file found {0}'.format(dest))
|
|
|
|
while True:
|
|
if not fn_:
|
|
load['loc'] = 0
|
|
else:
|
|
load['loc'] = fn_.tell()
|
|
data = self.channel.send(load)
|
|
try:
|
|
if not data['data']:
|
|
if not fn_ and data['dest']:
|
|
# This is a 0 byte file on the master
|
|
with self._cache_loc(
|
|
data['dest'],
|
|
saltenv,
|
|
cachedir=cachedir) as cache_dest:
|
|
dest = cache_dest
|
|
with salt.utils.fopen(cache_dest, 'wb+') as ofile:
|
|
ofile.write(data['data'])
|
|
if 'hsum' in data and d_tries < 3:
|
|
# Master has prompted a file verification, if the
|
|
# verification fails, re-download the file. Try 3 times
|
|
d_tries += 1
|
|
hsum = salt.utils.get_hash(dest, data.get('hash_type', 'md5'))
|
|
if hsum != data['hsum']:
|
|
log.warn('Bad download of file {0}, attempt {1} '
|
|
'of 3'.format(path, d_tries))
|
|
continue
|
|
break
|
|
if not fn_:
|
|
with self._cache_loc(
|
|
data['dest'],
|
|
saltenv,
|
|
cachedir=cachedir) as cache_dest:
|
|
dest = cache_dest
|
|
# If a directory was formerly cached at this path, then
|
|
# remove it to avoid a traceback trying to write the file
|
|
if os.path.isdir(dest):
|
|
salt.utils.rm_rf(dest)
|
|
fn_ = salt.utils.fopen(dest, 'wb+')
|
|
if data.get('gzip', None):
|
|
data = salt.utils.gzip_util.uncompress(data['data'])
|
|
else:
|
|
data = data['data']
|
|
fn_.write(data)
|
|
except (TypeError, KeyError) as e:
|
|
transport_tries += 1
|
|
log.warning('Data transport is broken, got: {0}, type: {1}, '
|
|
'exception: {2}, attempt {3} of 3'.format(
|
|
data, type(data), e, transport_tries)
|
|
)
|
|
self._refresh_channel()
|
|
if transport_tries > 3:
|
|
log.error('Data transport is broken, got: {0}, type: {1}, '
|
|
'exception: {2}, '
|
|
'Retry attempts exhausted'.format(
|
|
data, type(data), e)
|
|
)
|
|
break
|
|
|
|
if fn_:
|
|
fn_.close()
|
|
log.info(
|
|
'Fetching file from saltenv \'{0}\', ** done ** '
|
|
'\'{1}\''.format(saltenv, path)
|
|
)
|
|
else:
|
|
log.debug(
|
|
'In saltenv \'{0}\', we are ** missing ** the file '
|
|
'\'{1}\''.format(saltenv, path)
|
|
)
|
|
|
|
return dest
|
|
|
|
def file_list(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
List the files on the master
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
load = {'saltenv': saltenv,
|
|
'prefix': prefix,
|
|
'cmd': '_file_list'}
|
|
|
|
return [sdecode(fn_) for fn_ in self.channel.send(load)]
|
|
|
|
def file_list_emptydirs(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
List the empty dirs on the master
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
load = {'saltenv': saltenv,
|
|
'prefix': prefix,
|
|
'cmd': '_file_list_emptydirs'}
|
|
self.channel.send(load)
|
|
|
|
def dir_list(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
List the dirs on the master
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
load = {'saltenv': saltenv,
|
|
'prefix': prefix,
|
|
'cmd': '_dir_list'}
|
|
return self.channel.send(load)
|
|
|
|
def symlink_list(self, saltenv='base', prefix='', env=None):
|
|
'''
|
|
List symlinked files and dirs on the master
|
|
'''
|
|
load = {'saltenv': saltenv,
|
|
'prefix': prefix,
|
|
'cmd': '_symlink_list'}
|
|
return self.channel.send(load)
|
|
|
|
def hash_file(self, path, saltenv='base', env=None):
|
|
'''
|
|
Return the hash of a file, to get the hash of a file on the salt
|
|
master file server prepend the path with salt://<file on server>
|
|
otherwise, prepend the file with / for a local file.
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
try:
|
|
path = self._check_proto(path)
|
|
except MinionError:
|
|
if not os.path.isfile(path):
|
|
err = 'Specified file {0} is not present to generate hash'
|
|
log.warning(err.format(path))
|
|
return {}
|
|
else:
|
|
ret = {}
|
|
hash_type = self.opts.get('hash_type', 'md5')
|
|
ret['hsum'] = salt.utils.get_hash(
|
|
path, form=hash_type)
|
|
ret['hash_type'] = hash_type
|
|
return ret
|
|
load = {'path': path,
|
|
'saltenv': saltenv,
|
|
'cmd': '_file_hash'}
|
|
return self.channel.send(load)
|
|
|
|
def list_env(self, saltenv='base', env=None):
|
|
'''
|
|
Return a list of the files in the file server's specified environment
|
|
'''
|
|
if env is not None:
|
|
salt.utils.warn_until(
|
|
'Carbon',
|
|
'Passing a salt environment should be done using \'saltenv\' '
|
|
'not \'env\'. This functionality will be removed in Salt '
|
|
'Carbon.'
|
|
)
|
|
# Backwards compatibility
|
|
saltenv = env
|
|
|
|
load = {'saltenv': saltenv,
|
|
'cmd': '_file_list'}
|
|
return self.channel.send(load)
|
|
|
|
def envs(self):
|
|
'''
|
|
Return a list of available environments
|
|
'''
|
|
load = {'cmd': '_file_envs'}
|
|
return self.channel.send(load)
|
|
|
|
def master_opts(self):
|
|
'''
|
|
Return the master opts data
|
|
'''
|
|
load = {'cmd': '_master_opts'}
|
|
return self.channel.send(load)
|
|
|
|
def ext_nodes(self):
|
|
'''
|
|
Return the metadata derived from the external nodes system on the
|
|
master.
|
|
'''
|
|
load = {'cmd': '_ext_nodes',
|
|
'id': self.opts['id'],
|
|
'opts': self.opts}
|
|
if self.auth:
|
|
load['tok'] = self.auth.gen_token('salt')
|
|
return self.channel.send(load)
|
|
|
|
|
|
class FSClient(RemoteClient):
|
|
'''
|
|
A local client that uses the RemoteClient but substitutes the channel for
|
|
the FSChan object
|
|
'''
|
|
def __init__(self, opts): # pylint: disable=W0231
|
|
self.opts = opts
|
|
self.channel = salt.fileserver.FSChan(opts)
|
|
self.auth = DumbAuth()
|
|
|
|
|
|
class DumbAuth(object):
|
|
'''
|
|
The dumbauth class is used to stub out auth calls fired from the FSClient
|
|
subsystem
|
|
'''
|
|
def gen_token(self, clear_tok):
|
|
return clear_tok
|