mirror of https://github.com/ansible/ansible.git
frr: Add terminal and cliconf plugins (#51169)
* Added terminal plugin for FRR Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Added cliconf plugin for FRR Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Added cliconf plugin for FRR Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Override required methods Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Fix pep8 issues Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Add get_supported_protocols and minor error regex fix Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Remove unused imports Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Fix review comments Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Add get_diff and run_commands Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Set output to empty list Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com> * Fix CI errors Signed-off-by: NilashishC <nilashishchakraborty8@gmail.com>pull/51607/head
Nilashish Chakraborty
6 years ago
committed by
GitHub
parent
bac19c3301
commit
beb2af83c1
@ -0,0 +1,218 @@
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#
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# (c) 2018 Red Hat Inc.
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = """
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---
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author: Ansible Networking Team
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cliconf: frr
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short_description: Use frr cliconf to run command on Free Range Routing platform
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description:
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- This frr plugin provides low level abstraction api's for
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sending and receiving CLI commands from devices running frr.
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version_added: "2.8"
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"""
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import re
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import json
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from ansible.errors import AnsibleConnectionFailure
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from ansible.module_utils._text import to_text
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from ansible.module_utils.common._collections_compat import Mapping
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from ansible.module_utils.network.common.config import NetworkConfig, dumps
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from ansible.module_utils.network.common.utils import to_list
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from ansible.module_utils.basic import get_timestamp
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from ansible.plugins.cliconf import CliconfBase, enable_mode
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class Cliconf(CliconfBase):
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def get_supported_protocols(self):
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supported_protocols = {}
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protocols = ['bgp', 'isis', 'ospf', 'ldp', 'ospf6', 'pim', 'rip', 'ripm', 'zebra']
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daemons = self.get('show daemons')
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data = to_text(daemons, errors='surrogate_or_strict').strip()
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for item in protocols:
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supported_protocols[item] = True if item in data else False
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return supported_protocols
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def get_device_info(self):
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device_info = {}
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device_info['network_os'] = 'frr'
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reply = self.get('show version')
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data = to_text(reply, errors='surrogate_or_strict').strip()
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match = re.search(r'FRRouting (\S+) \((\S+)\)', data)
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if match:
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device_info['network_os_version'] = match.group(1)
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if match.group(2):
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device_info['network_os_hostname'] = match.group(2)
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return device_info
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def get_option_values(self):
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return {
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'format': ['text'],
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'diff_match': ['line', 'strict', 'exact', 'none'],
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'diff_replace': ['line', 'block'],
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'output': []
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}
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def get_device_operations(self):
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return {
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'supports_diff_replace': False,
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'supports_commit': False,
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'supports_rollback': False,
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'supports_defaults': False,
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'supports_onbox_diff': False,
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'supports_commit_comment': False,
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'supports_multiline_delimiter': False,
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'supports_diff_match': False,
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'supports_diff_ignore_lines': False,
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'supports_generate_diff': True,
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'supports_replace': False
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}
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def get_capabilities(self):
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result = super(Cliconf, self).get_capabilities()
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result['rpc'] += ['get_diff', 'run_commands']
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result['device_operations'] = self.get_device_operations()
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result['supported_protocols'] = self.get_supported_protocols()
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result.update(self.get_option_values())
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return json.dumps(result)
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def get_diff(self, candidate=None, running=None, diff_match='line', diff_ignore_lines=None, path=None, diff_replace='line'):
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diff = {}
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device_operations = self.get_device_operations()
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option_values = self.get_option_values()
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if candidate is None and device_operations['supports_generate_diff']:
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raise ValueError("candidate configuration is required to generate diff")
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if diff_match not in option_values['diff_match']:
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raise ValueError("'match' value %s in invalid, valid values are %s" % (
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diff_match, ', '.join(option_values['diff_match'])))
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if diff_replace not in option_values['diff_replace']:
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raise ValueError("'replace' value %s in invalid, valid values are %s" % (
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diff_replace, ', '.join(option_values['diff_replace'])))
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# prepare candidate configuration
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candidate_obj = NetworkConfig(indent=1)
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candidate_obj.load(candidate)
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if running and diff_match != 'none':
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# running configuration
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running_obj = NetworkConfig(indent=1, contents=running, ignore_lines=diff_ignore_lines)
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configdiffobjs = candidate_obj.difference(running_obj, path=path, match=diff_match, replace=diff_replace)
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else:
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configdiffobjs = candidate_obj.items
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diff['config_diff'] = dumps(configdiffobjs, 'commands') if configdiffobjs else ''
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return diff
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@enable_mode
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def get_config(self, source='running', flags=None, format=None):
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if source not in ('running', 'startup'):
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raise ValueError("fetching configuration from %s is not supported" % source)
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if format:
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raise ValueError("'format' value %s is not supported for get_config" % format)
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if not flags:
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flags = []
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if source == 'running':
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cmd = 'show running-config '
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else:
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cmd = 'show startup-config '
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cmd += ' '.join(to_list(flags))
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cmd = cmd.strip()
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return self.send_command(cmd)
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@enable_mode
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def edit_config(self, candidate=None, commit=True, replace=None, comment=None):
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resp = {}
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operations = self.get_device_operations()
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self.check_edit_config_capability(operations, candidate, commit, replace, comment)
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results = []
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requests = []
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if commit:
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self.send_command('configure terminal')
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for line in to_list(candidate):
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if not isinstance(line, Mapping):
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line = {'command': line}
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cmd = line['command']
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if cmd != 'end' and cmd[0] != '!':
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results.append(self.send_command(**line))
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requests.append(cmd)
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self.send_command('end')
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else:
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raise ValueError('check mode is not supported')
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resp['request'] = requests
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resp['response'] = results
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return resp
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def get(self, command=None, prompt=None, answer=None, sendonly=False, output=None, check_all=False):
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if not command:
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raise ValueError('must provide value of command to execute')
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if output:
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raise ValueError("'output' value %s is not supported for get" % output)
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return self.send_command(command=command, prompt=prompt, answer=answer, sendonly=sendonly, check_all=check_all)
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def run_commands(self, commands=None, check_rc=True, return_timestamps=False):
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if commands is None:
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raise ValueError("'commands' value is required")
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responses = list()
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timestamps = list()
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for cmd in to_list(commands):
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if not isinstance(cmd, Mapping):
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cmd = {'command': cmd}
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output = cmd.pop('output', None)
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if output:
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raise ValueError("'output' value %s is not supported for run_commands" % output)
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try:
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out = self.send_command(**cmd)
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timestamp = get_timestamp()
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except AnsibleConnectionFailure as e:
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if check_rc:
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raise
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out = getattr(e, 'err', to_text(e))
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responses.append(out)
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timestamps.append(timestamp)
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if return_timestamps:
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return responses, timestamps
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else:
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return responses
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@ -0,0 +1,60 @@
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#
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# (c) 2018 Red Hat Inc.
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import re
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from ansible.errors import AnsibleConnectionFailure
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from ansible.plugins.terminal import TerminalBase
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class TerminalModule(TerminalBase):
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terminal_stdout_re = [
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re.compile(br"[\r\n]?[\w\+\-\.:\/\[\]]+(?:\([^\)]+\)){0,3}(?:[>#]) ?$")
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]
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terminal_stderr_re = [
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re.compile(br"% Command incomplete", re.I),
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re.compile(br"% Unknown command", re.I),
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re.compile(br"(?:\S+) instance is already running", re.I),
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re.compile(br"% (?:Create|Specify) .* first", re.I),
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re.compile(br"(?:\S+) is not running", re.I),
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re.compile(br"% Can't find .*", re.I),
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re.compile(br"invalid input", re.I),
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re.compile(br"connection timed out", re.I),
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re.compile(br"[^\r\n]+ not found"),
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]
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def on_open_shell(self):
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try:
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self._exec_cli_command(b'terminal length 0')
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except AnsibleConnectionFailure:
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raise AnsibleConnectionFailure('unable to set terminal parameters')
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def on_become(self, passwd=None):
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# NOTE: For FRR, enable password only takes effect when telnetting to individual daemons
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# vtysh will always drop into enable mode since it runs as a privileged process
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pass
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def on_unbecome(self):
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# NOTE: For FRR, enable password only takes effect when telnetting to individual daemons
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# vtysh will always drop into enable mode since it runs as a privileged process
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pass
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