103 lines
4.5 KiB
Python
103 lines
4.5 KiB
Python
# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# (c) 2017 Red Hat Inc.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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import sys
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from ansible.module_utils._text import to_text, to_bytes
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from ansible.module_utils.connection import Connection, ConnectionError
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try:
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from lxml.etree import Element, fromstring, XMLSyntaxError
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except ImportError:
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from xml.etree.ElementTree import Element, fromstring
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if sys.version_info < (2, 7):
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from xml.parsers.expat import ExpatError as XMLSyntaxError
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else:
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from xml.etree.ElementTree import ParseError as XMLSyntaxError
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NS_MAP = {'nc': "urn:ietf:params:xml:ns:netconf:base:1.0"}
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def exec_rpc(module, *args, **kwargs):
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connection = NetconfConnection(module._socket_path)
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return connection.execute_rpc(*args, **kwargs)
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class NetconfConnection(Connection):
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def __init__(self, socket_path):
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super(NetconfConnection, self).__init__(socket_path)
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def __rpc__(self, name, *args, **kwargs):
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"""Executes the json-rpc and returns the output received
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from remote device.
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:name: rpc method to be executed over connection plugin that implements jsonrpc 2.0
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:args: Ordered list of params passed as arguments to rpc method
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:kwargs: Dict of valid key, value pairs passed as arguments to rpc method
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For usage refer the respective connection plugin docs.
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"""
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self.check_rc = kwargs.pop('check_rc', True)
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self.ignore_warning = kwargs.pop('ignore_warning', True)
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response = self._exec_jsonrpc(name, *args, **kwargs)
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if 'error' in response:
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rpc_error = response['error'].get('data')
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return self.parse_rpc_error(to_bytes(rpc_error, errors='surrogate_then_replace'))
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return fromstring(to_bytes(response['result'], errors='surrogate_then_replace'))
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def parse_rpc_error(self, rpc_error):
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if self.check_rc:
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try:
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error_root = fromstring(rpc_error)
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root = Element('root')
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root.append(error_root)
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error_list = root.findall('.//nc:rpc-error', NS_MAP)
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if not error_list:
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raise ConnectionError(to_text(rpc_error, errors='surrogate_then_replace'))
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warnings = []
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for error in error_list:
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message_ele = error.find('./nc:error-message', NS_MAP)
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if message_ele is None:
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message_ele = error.find('./nc:error-info', NS_MAP)
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message = message_ele.text if message_ele is not None else None
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severity = error.find('./nc:error-severity', NS_MAP).text
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if severity == 'warning' and self.ignore_warning and message is not None:
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warnings.append(message)
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else:
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raise ConnectionError(to_text(rpc_error, errors='surrogate_then_replace'))
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return warnings
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except XMLSyntaxError:
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raise ConnectionError(rpc_error)
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