112 lines
3.4 KiB
Python
112 lines
3.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2011 Citrix Systems, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""This modules stubs out functions in manila.utils."""
|
|
|
|
import re
|
|
|
|
from eventlet import greenthread
|
|
from manila import exception
|
|
from manila.openstack.common import log as logging
|
|
from manila import utils
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
_fake_execute_repliers = []
|
|
_fake_execute_log = []
|
|
|
|
|
|
def fake_execute_get_log():
|
|
return _fake_execute_log
|
|
|
|
|
|
def fake_execute_clear_log():
|
|
global _fake_execute_log
|
|
_fake_execute_log = []
|
|
|
|
|
|
def fake_execute_set_repliers(repliers):
|
|
"""Allows the client to configure replies to commands."""
|
|
global _fake_execute_repliers
|
|
_fake_execute_repliers = repliers
|
|
|
|
|
|
def fake_execute_default_reply_handler(*ignore_args, **ignore_kwargs):
|
|
"""A reply handler for commands that haven't been added to the reply list.
|
|
|
|
Returns empty strings for stdout and stderr.
|
|
|
|
"""
|
|
return '', ''
|
|
|
|
|
|
def fake_execute(*cmd_parts, **kwargs):
|
|
"""This function stubs out execute.
|
|
|
|
It optionally executes a preconfigued function to return expected data.
|
|
|
|
"""
|
|
global _fake_execute_repliers
|
|
|
|
process_input = kwargs.get('process_input', None)
|
|
check_exit_code = kwargs.get('check_exit_code', 0)
|
|
delay_on_retry = kwargs.get('delay_on_retry', True)
|
|
attempts = kwargs.get('attempts', 1)
|
|
run_as_root = kwargs.get('run_as_root', False)
|
|
cmd_str = ' '.join(str(part) for part in cmd_parts)
|
|
|
|
LOG.debug(_("Faking execution of cmd (subprocess): %s"), cmd_str)
|
|
_fake_execute_log.append(cmd_str)
|
|
|
|
reply_handler = fake_execute_default_reply_handler
|
|
|
|
for fake_replier in _fake_execute_repliers:
|
|
if re.match(fake_replier[0], cmd_str):
|
|
reply_handler = fake_replier[1]
|
|
LOG.debug(_('Faked command matched %s') % fake_replier[0])
|
|
break
|
|
|
|
if isinstance(reply_handler, basestring):
|
|
# If the reply handler is a string, return it as stdout
|
|
reply = reply_handler, ''
|
|
else:
|
|
try:
|
|
# Alternative is a function, so call it
|
|
reply = reply_handler(cmd_parts,
|
|
process_input=process_input,
|
|
delay_on_retry=delay_on_retry,
|
|
attempts=attempts,
|
|
run_as_root=run_as_root,
|
|
check_exit_code=check_exit_code)
|
|
except exception.ProcessExecutionError as e:
|
|
LOG.debug(_('Faked command raised an exception %s'), e)
|
|
raise
|
|
|
|
stdout = reply[0]
|
|
stderr = reply[1]
|
|
LOG.debug(_("Reply to faked command is stdout='%(stdout)s' "
|
|
"stderr='%(stderr)s'") % locals())
|
|
|
|
# Replicate the sleep call in the real function
|
|
greenthread.sleep(0)
|
|
return reply
|
|
|
|
|
|
def stub_out_utils_execute(stubs):
|
|
fake_execute_set_repliers([])
|
|
fake_execute_clear_log()
|
|
stubs.Set(utils, 'execute', fake_execute)
|