625c86109e
"ps1" and "ps1_sysnative" Powershell scripts are executed as sysnative when present. "ps1_x86" has been introduced to forcefully execute the script in a syswow64 Powershell. Multi part Powershell text/x-shellscript content is always executed as sysnative when available.
78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import re
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import tempfile
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import uuid
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from cloudbaseinit.openstack.common import log as logging
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from cloudbaseinit.osutils import factory as osutils_factory
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LOG = logging.getLogger(__name__)
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def execute_user_data_script(user_data):
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osutils = osutils_factory.get_os_utils()
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shell = False
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powershell = False
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sysnative = True
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target_path = os.path.join(tempfile.gettempdir(), str(uuid.uuid4()))
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if re.search(r'^rem cmd\s', user_data, re.I):
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target_path += '.cmd'
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args = [target_path]
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shell = True
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elif re.search(r'^#!/usr/bin/env\spython\s', user_data, re.I):
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target_path += '.py'
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args = ['python.exe', target_path]
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elif re.search(r'^#!', user_data, re.I):
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target_path += '.sh'
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args = ['bash.exe', target_path]
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elif re.search(r'^#(ps1|ps1_sysnative)\s', user_data, re.I):
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target_path += '.ps1'
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powershell = True
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elif re.search(r'^#ps1_x86\s', user_data, re.I):
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target_path += '.ps1'
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powershell = True
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sysnative = False
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else:
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# Unsupported
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LOG.warning('Unsupported user_data format')
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return 0
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try:
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with open(target_path, 'wb') as f:
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f.write(user_data)
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if powershell:
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(out, err,
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ret_val) = osutils.execute_powershell_script(target_path,
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sysnative)
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else:
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(out, err, ret_val) = osutils.execute_process(args, shell)
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LOG.info('User_data script ended with return code: %d' % ret_val)
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LOG.debug('User_data stdout:\n%s' % out)
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LOG.debug('User_data stderr:\n%s' % err)
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return ret_val
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except Exception, ex:
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LOG.warning('An error occurred during user_data execution: \'%s\''
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% ex)
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finally:
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if os.path.exists(target_path):
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os.remove(target_path)
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