1. Changed UserDataPlugin class to handle multipart user data
2. Added PluginSet class which dynamically loads all available plugins in userdata-plugins subfolder 3. Added standard plugins to handle typical content types in multipart data
This commit is contained in:
Georgy Okrokvertskhov
parent
c04254a0aa
commit
fe4e46aa1b
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@ -0,0 +1,34 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Mirantis Inc.
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# All Rights Reserved.
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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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from cloudbaseinit.openstack.common import log as logging
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LOG = logging.getLogger("cloudbaseinit")
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def get_plugin(parent_set):
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return CloudConfigHandler(parent_set)
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class CloudConfigHandler:
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def __init__(self, parent_set):
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LOG.info("Cloud-config part handler is loaded.")
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self.type = "text/cloud-config"
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self.name = "Cloud-config userdata plugin"
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return
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def process(self, part):
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return
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@ -0,0 +1,47 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Mirantis Inc.
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# All Rights Reserved.
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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 re
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import tempfile
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import uuid
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import email
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import tempfile
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import os
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import errno
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from cloudbaseinit.openstack.common import log as logging
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from cloudbaseinit.osutils.factory import *
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from cloudbaseinit.plugins.windows.userdata import handle
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LOG = logging.getLogger("cloudbaseinit")
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def get_plugin(parent_set):
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return HeatUserDataHandler(parent_set)
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class HeatUserDataHandler:
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def __init__(self, parent_set):
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LOG.info("Heat user data part handler is loaded.")
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self.type = "text/x-cfninitdata"
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self.name = "Heat userdata plugin"
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return
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def process(self, part):
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#Only user-data part of Heat multipart data is supported. All other cfinitdata part will be skipped
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if part.get_filename() == "cfn-userdata":
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handle(part.get_payload())
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return
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@ -0,0 +1,67 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Mirantis Inc.
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# All Rights Reserved.
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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 imp
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import os
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from cloudbaseinit.openstack.common import log as logging
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LOG = logging.getLogger("cloudbaseinit")
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def get_plugin(parent_set):
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return PartHandlerScriptHandler(parent_set)
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def load_from_file(filepath, function):
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class_inst = None
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mod_name,file_ext = os.path.splitext(os.path.split(filepath)[-1])
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if file_ext.lower() == '.py':
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py_mod = imp.load_source(mod_name, filepath)
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elif file_ext.lower() == '.pyc':
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py_mod = imp.load_compiled(mod_name, filepath)
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if hasattr(py_mod, function):
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callable = getattr(__import__(mod_name),function)
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return callable
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class PartHandlerScriptHandler:
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def __init__(self, parent_set):
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LOG.info("Part-handler script part handler is loaded.")
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self.type = "text/part-handler"
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self.name = "Part-handler userdata plugin"
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self.parent_set = parent_set
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return
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def process(self, part):
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handler_path = self.parent_set.path + "/part-handler/"+part.get_filename()
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with open(handler_path, "wb") as f:
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f.write(part.get_payload())
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list_types = load_from_file(handler_path,"list_types")
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handle_part = load_from_file(handler_path, "handle_part")
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if list_types is not None and handle_part is not None:
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parts = list_types()
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for part in parts:
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LOG.info("Installing new custom handler for type: %s", part)
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self.parent_set.custom_handlers[part] = handle_part
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self.parent_set.has_custom_handlers = True
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return
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@ -0,0 +1,78 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Mirantis Inc.
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# All Rights Reserved.
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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 re
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import tempfile
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import uuid
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import email
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import tempfile
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import os
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import errno
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from cloudbaseinit.openstack.common import log as logging
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from cloudbaseinit.osutils.factory import *
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LOG = logging.getLogger("cloudbaseinit")
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def get_plugin(parent_set):
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return ShellScriptHandler(parent_set)
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class ShellScriptHandler:
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def __init__(self, parent_set):
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LOG.info("Shell-script part handler is loaded.")
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self.type = "text/x-shellscript"
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self.name = "Shell-script userdata plugin"
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return
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def process(self, part):
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osutils = OSUtilsFactory().get_os_utils()
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file_name = part.get_filename()
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target_path = os.path.join(tempfile.gettempdir(), file_name)
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if file_name.endswith(".cmd"):
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args = [target_path]
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shell = True
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elif file_name.endswith(".sh"):
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args = ['bash.exe', target_path]
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shell = False
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elif file_name.endswith(".ps1"):
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args = ['powershell.exe', '-ExecutionPolicy', 'RemoteSigned',
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'-NonInteractive', target_path]
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shell = False
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else:
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# Unsupported
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LOG.warning('Unsupported shell format')
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return False
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try:
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with open(target_path, 'wb') as f:
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f.write(part.get_payload())
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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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except Exception, ex:
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LOG.warning('An error occurred during user_data execution: \'%s\'' % 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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return False
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@ -18,16 +18,41 @@ import os
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import re
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import tempfile
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import uuid
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import email
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import errno
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from cloudbaseinit.metadata.services import base as metadata_services_base
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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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from cloudbaseinit.plugins import base
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from cloudbaseinit.plugins.windows.userdata_plugins import PluginSet
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from cloudbaseinit.openstack.common import cfg
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opts = [
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cfg.StrOpt('user_data_folder', default='cloud-data',
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help='Specifies a folder to store multipart data files.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(opts)
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LOG = logging.getLogger(__name__)
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class UserDataPlugin(base.BasePlugin):
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class UserDataPlugin(base.BasePlugin):
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def __init__(self, cfg=CONF):
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self.cfg = cfg
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self.msg = None
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self.plugin_set = PluginSet(self.get_plugin_path())
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self.plugin_set.reload()
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return
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def get_plugin_path(self):
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return os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))),
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"windows/userdata-plugins")
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def execute(self, service):
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try:
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user_data = service.get_user_data('openstack')
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@ -37,57 +62,120 @@ class UserDataPlugin(base.BasePlugin):
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if not user_data:
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return (base.PLUGIN_EXECUTION_DONE, False)
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LOG.debug('User data content:\n%s' % user_data)
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osutils = osutils_factory.OSUtilsFactory().get_os_utils()
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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'^#!', user_data, re.I):
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target_path += '.sh'
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args = ['bash.exe', target_path]
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shell = False
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elif re.search(r'^#ps1\s', user_data, re.I):
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target_path += '.ps1'
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args = ['powershell.exe', '-ExecutionPolicy', 'RemoteSigned',
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'-NonInteractive', target_path]
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shell = False
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elif re.search(r'^#ps1_sysnative\s', user_data, re.I):
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if os.path.isdir(os.path.expandvars('%windir%\\sysnative')):
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target_path += '.ps1'
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args = [os.path.expandvars('%windir%\\sysnative\\'
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'WindowsPowerShell\\v1.0\\'
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'powershell.exe'),
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'-ExecutionPolicy',
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'RemoteSigned', '-NonInteractive', target_path]
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shell = False
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else:
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# Unable to validate sysnative presence
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LOG.warning('Unable to validate sysnative folder presence. '
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'If Target OS is Server 2003, please ensure you '
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'have KB942589 installed')
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return (base.PLUGIN_EXECUTION_DONE, 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 (base.PLUGIN_EXECUTION_DONE, False)
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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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(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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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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self.process_userdata(user_data)
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return (base.PLUGIN_EXECUTION_DONE, False)
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def process_userdata(self, user_data):
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LOG.debug('User data content:\n%s' % user_data)
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if user_data.startswith('Content-Type: multipart'):
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for part in self.parse_MIME(user_data):
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self.process_part(part)
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else:
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handle(user_data)
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return
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def process_part(self, part):
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part_handler = self.get_part_handler(part)
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if part_handler is not None:
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try:
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self.begin_part_process_event(part)
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LOG.info("Processing part %s filename: %s with handler: %s", part.get_content_type(), part.get_filename(), part_handler.name)
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part_handler.process(part)
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self.end_part_process_event(part)
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except Exception,e:
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LOG.error('Exception during multipart part handling: %s %s \n %s' , part.get_content_type(), part.get_filename(), e)
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return
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def begin_part_process_event(self, part):
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handler = self.get_custom_handler(part)
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if handler is not None:
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try:
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handler("","__begin__", part.get_filename(), part.get_payload())
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except Exception,e:
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LOG.error("Exception occurred during custom handle script invocation (__begin__): %s ", e)
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return
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def end_part_process_event(self, part):
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handler = self.get_custom_handler(part)
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if handler is not None:
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try:
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handler("","__end__", part.get_filename(), part.get_payload())
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except Exception,e:
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LOG.error("Exception occurred during custom handle script invocation (__end__): %s ", e)
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return
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def get_custom_handler(self, part):
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if self.plugin_set.has_custom_handlers:
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if part.get_content_type() in self.plugin_set.custom_handlers:
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handler = self.plugin_set.custom_handlers[part.get_content_type()]
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return handler
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return None
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def get_part_handler(self, part):
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if part.get_content_type() in self.plugin_set.set:
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handler = self.plugin_set.set[part.get_content_type()]
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return handler
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else:
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return None
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def parse_MIME(self, user_data):
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self.msg = email.message_from_string(user_data)
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return self.msg.walk()
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def handle(self, user_data):
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osutils = osutils_factory.OSUtilsFactory().get_os_utils()
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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'^#!', user_data, re.I):
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target_path += '.sh'
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args = ['bash.exe', target_path]
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shell = False
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elif re.search(r'^#ps1\s', user_data, re.I):
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target_path += '.ps1'
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args = ['powershell.exe', '-ExecutionPolicy', 'RemoteSigned',
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'-NonInteractive', target_path]
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shell = False
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elif re.search(r'^#ps1_sysnative\s', user_data, re.I):
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if os.path.isdir(os.path.expandvars('%windir%\\sysnative')):
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target_path += '.ps1'
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args = [os.path.expandvars('%windir%\\sysnative\\'
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'WindowsPowerShell\\v1.0\\'
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'powershell.exe'),
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'-ExecutionPolicy',
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'RemoteSigned', '-NonInteractive', target_path]
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shell = False
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else:
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# Unable to validate sysnative presence
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LOG.warning('Unable to validate sysnative folder presence. '
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'If Target OS is Server 2003, please ensure you '
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'have KB942589 installed')
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return (base.PLUGIN_EXECUTION_DONE, 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 (base.PLUGIN_EXECUTION_DONE, False)
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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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(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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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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return (base.PLUGIN_EXECUTION_DONE, False)
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@ -0,0 +1,81 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 Mirantis Inc.
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# All Rights Reserved.
|
||||
#
|
||||
# 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
|
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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
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
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import imp
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import os
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import sys, glob
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from cloudbaseinit.openstack.common import log as logging
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import traceback
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LOG = logging.getLogger(__name__)
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global builders
|
||||
|
||||
def load_from_file(filepath, parent_set):
|
||||
class_inst = None
|
||||
|
||||
mod_name, file_ext = os.path.splitext(os.path.split(filepath)[-1])
|
||||
|
||||
if file_ext.lower() == '.py':
|
||||
py_mod = imp.load_source(mod_name, filepath)
|
||||
|
||||
elif file_ext.lower() == '.pyc':
|
||||
py_mod = imp.load_compiled(mod_name, filepath)
|
||||
|
||||
if hasattr(py_mod, "get_plugin"):
|
||||
callable = getattr(__import__(mod_name), "get_plugin")
|
||||
class_inst = callable(parent_set)
|
||||
|
||||
return class_inst
|
||||
|
||||
|
||||
class PluginSet:
|
||||
|
||||
def __init__(self, path):
|
||||
self.path = path
|
||||
sys.path.append(self.path)
|
||||
self.set = {}
|
||||
self.has_custom_handlers = False
|
||||
self.custom_handlers = {}
|
||||
|
||||
def get_plugin(self, content_type, file_name):
|
||||
return
|
||||
|
||||
def load(self):
|
||||
files = glob.glob(self.path + '/*.py')
|
||||
|
||||
if len(files) == 0:
|
||||
LOG.debug("No user data plug-ins found in %s:", self.path)
|
||||
return
|
||||
|
||||
for file in files:
|
||||
LOG.debug("Trying to load user data plug-in from file: %s", file)
|
||||
try:
|
||||
plugin = load_from_file(file, self)
|
||||
if plugin is not None:
|
||||
LOG.info("Plugin '%s' loaded.", plugin.name)
|
||||
self.set[plugin.type] = plugin
|
||||
except:
|
||||
exc_type, exc_value, exc_traceback = sys.exc_info()
|
||||
LOG.error('Can`t load plugin from the file %s. Skip it.', file)
|
||||
LOG.debug(repr(traceback.format_exception(exc_type, exc_value,
|
||||
exc_traceback)))
|
||||
|
||||
|
||||
def reload(self):
|
||||
self.set = {}
|
||||
self.load()
|
||||
|
||||
|
|
@ -0,0 +1,173 @@
|
|||
Content-Type: multipart/mixed; boundary="===============1598784645116016685=="
|
||||
MIME-Version: 1.0
|
||||
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/cloud-config; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="cloud-config"
|
||||
|
||||
runcmd:
|
||||
- setenforce 0 > /dev/null 2>&1 || true
|
||||
|
||||
user: ec2-user
|
||||
|
||||
cloud_config_modules:
|
||||
- locale
|
||||
- set_hostname
|
||||
- ssh
|
||||
- timezone
|
||||
- update_etc_hosts
|
||||
- update_hostname
|
||||
- runcmd
|
||||
|
||||
# Capture all subprocess output into a logfile
|
||||
# Useful for troubleshooting cloud-init issues
|
||||
output: {all: '| tee -a /var/log/cloud-init-output.log'}
|
||||
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/part-handler; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="part-handler.py"
|
||||
|
||||
#part-handler
|
||||
|
||||
import os
|
||||
import datetime
|
||||
|
||||
|
||||
def list_types():
|
||||
return(["text/x-cfninitdata"])
|
||||
|
||||
|
||||
def handle_part(data, ctype, filename, payload):
|
||||
if ctype == "__begin__":
|
||||
try:
|
||||
os.makedirs('/var/lib/heat-cfntools', 0700)
|
||||
except OSError as e:
|
||||
if e.errno != errno.EEXIST:
|
||||
raise
|
||||
return
|
||||
|
||||
if ctype == "__end__":
|
||||
return
|
||||
|
||||
with open('/var/log/part-handler.log', 'a') as log:
|
||||
timestamp = datetime.datetime.now()
|
||||
log.write('%s filename:%s, ctype:%s\n' % (timestamp, filename, ctype))
|
||||
|
||||
if ctype == 'text/x-cfninitdata':
|
||||
with open('/var/lib/heat-cfntools/%s' % filename, 'w') as f:
|
||||
f.write(payload)
|
||||
|
||||
# TODO(sdake) hopefully temporary until users move to heat-cfntools-1.3
|
||||
with open('/var/lib/cloud/data/%s' % filename, 'w') as f:
|
||||
f.write(payload)
|
||||
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/x-cfninitdata; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="cfn-userdata"
|
||||
|
||||
#ps1
|
||||
Get-Date
|
||||
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/x-shellscript; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="loguserdata.py"
|
||||
|
||||
#!/usr/bin/env python
|
||||
|
||||
import sys
|
||||
import os
|
||||
import subprocess
|
||||
import datetime
|
||||
import pkg_resources
|
||||
from distutils.version import LooseVersion
|
||||
import errno
|
||||
|
||||
path = '/var/lib/heat-cfntools'
|
||||
|
||||
|
||||
def chk_ci_version():
|
||||
v = LooseVersion(pkg_resources.get_distribution('cloud-init').version)
|
||||
return v >= LooseVersion('0.6.0')
|
||||
|
||||
|
||||
def create_log(path):
|
||||
fd = os.open(path, os.O_WRONLY | os.O_CREAT, 0600)
|
||||
return os.fdopen(fd, 'w')
|
||||
|
||||
|
||||
def call(args, log):
|
||||
log.write('%s\n' % ' '.join(args))
|
||||
log.flush()
|
||||
p = subprocess.Popen(args, stdout=log, stderr=log)
|
||||
p.wait()
|
||||
return p.returncode
|
||||
|
||||
|
||||
def main(log):
|
||||
|
||||
if not chk_ci_version():
|
||||
# pre 0.6.0 - user data executed via cloudinit, not this helper
|
||||
log.write('Unable to log provisioning, need a newer version of'
|
||||
' cloud-init\n')
|
||||
return -1
|
||||
|
||||
userdata_path = os.path.join(path, 'cfn-userdata')
|
||||
os.chmod(userdata_path, 0700)
|
||||
|
||||
log.write('Provision began: %s\n' % datetime.datetime.now())
|
||||
log.flush()
|
||||
returncode = call([userdata_path], log)
|
||||
log.write('Provision done: %s\n' % datetime.datetime.now())
|
||||
if returncode:
|
||||
return returncode
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
with create_log('/var/log/heat-provision.log') as log:
|
||||
returncode = main(log)
|
||||
if returncode:
|
||||
log.write('Provision failed')
|
||||
sys.exit(returncode)
|
||||
|
||||
userdata_path = os.path.join(path, 'provision-finished')
|
||||
with create_log(userdata_path) as log:
|
||||
log.write('%s\n' % datetime.datetime.now())
|
||||
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/x-cfninitdata; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="cfn-watch-server"
|
||||
|
||||
http://67.207.197.36:8003
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/x-cfninitdata; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="cfn-metadata-server"
|
||||
|
||||
http://67.207.197.36:8000
|
||||
--===============1598784645116016685==
|
||||
Content-Type: text/x-cfninitdata; charset="us-ascii"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Content-Disposition: attachment; filename="cfn-boto-cfg"
|
||||
|
||||
[Boto]
|
||||
debug = 0
|
||||
is_secure = 0
|
||||
https_validate_certificates = 1
|
||||
cfn_region_name = heat
|
||||
cfn_region_endpoint = 67.207.197.36
|
||||
cloudwatch_region_name = heat
|
||||
cloudwatch_region_endpoint = 67.207.197.36
|
||||
--===============1598784645116016685==--
|
||||
|
||||
Loading…
Reference in New Issue