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nxos cliconf plugin refactor (#43203)
* nxos cliconf plugin refactor Fixes #39056 * Refactor nxos cliconf plugin as per new api definition * Minor changes in ios, eos, vyos cliconf plugin * Change nxos httpapi plugin edit_config method to be in sync with nxos cliconf edit_config * Fix CI failure * Fix unit test failure and review comment
This commit is contained in:
Ganesh Nalawade
GitHub
parent
e215f842ba
commit
af3f510316
16 changed files with 426 additions and 245 deletions
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@ -19,6 +19,7 @@
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import collections
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import json
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import re
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@ -27,30 +28,30 @@ from itertools import chain
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from ansible.errors import AnsibleConnectionFailure
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from ansible.module_utils._text import to_bytes, to_text
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from ansible.module_utils.connection import ConnectionError
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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.plugins.cliconf import CliconfBase
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from ansible.plugins.cliconf import CliconfBase, enable_mode
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from ansible.plugins.connection.network_cli import Connection as NetworkCli
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from ansible.plugins.connection.httpapi import Connection as HttpApi
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class Cliconf(CliconfBase):
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def send_command(self, command, prompt=None, answer=None, sendonly=False, newline=True, prompt_retry_check=False):
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def __init__(self, *args, **kwargs):
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super(Cliconf, self).__init__(*args, **kwargs)
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def send_command(self, command, **kwargs):
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"""Executes a cli command and returns the results
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This method will execute the CLI command on the connection and return
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the results to the caller. The command output will be returned as a
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string
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"""
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kwargs = {'command': to_bytes(command), 'sendonly': sendonly,
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'newline': newline, 'prompt_retry_check': prompt_retry_check}
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if prompt is not None:
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kwargs['prompt'] = to_bytes(prompt)
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if answer is not None:
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kwargs['answer'] = to_bytes(answer)
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if isinstance(self._connection, NetworkCli):
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resp = self._connection.send(**kwargs)
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else:
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resp = super(Cliconf, self).send_command(command, **kwargs)
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elif isinstance(self._connection, HttpApi):
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resp = self._connection.send_request(command, **kwargs)
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else:
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raise ValueError("Invalid connection type")
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return resp
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def get_device_info(self):
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@ -101,66 +102,169 @@ class Cliconf(CliconfBase):
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return device_info
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def get_config(self, source='running', format='text', flags=None):
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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" % (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" % (diff_replace, ', '.join(option_values['diff_replace'])))
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# prepare candidate configuration
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candidate_obj = NetworkConfig(indent=2)
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candidate_obj.load(candidate)
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if running and diff_match != 'none' and diff_replace != 'config':
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# running configuration
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running_obj = NetworkConfig(indent=2, 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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def get_config(self, source='running', format='text', filter=None):
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options_values = self.get_option_values()
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if format not in options_values['format']:
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raise ValueError("'format' value %s is invalid. Valid values are %s" % (format, ','.join(options_values['format'])))
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lookup = {'running': 'running-config', 'startup': 'startup-config'}
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if source not in lookup:
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return self.invalid_params("fetching configuration from %s is not supported" % source)
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cmd = 'show {0} '.format(lookup[source])
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if flags:
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cmd += ' '.join(flags)
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if format and format is not 'text':
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cmd += '| %s ' % format
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if filter:
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cmd += ' '.join(to_list(filter))
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cmd = cmd.strip()
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return self.send_command(cmd)
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def edit_config(self, command):
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responses = []
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for cmd in chain(['configure'], to_list(command), ['end']):
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responses.append(self.send_command(cmd))
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resp = responses[1:-1]
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return json.dumps(resp)
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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_capabiltiy(operations, candidate, commit, replace, comment)
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results = []
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requests = []
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def get(self, command, prompt=None, answer=None, sendonly=False):
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if replace:
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candidate = 'config replace {0}'.format(replace)
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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, collections.Mapping):
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line = {'command': line}
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cmd = line['command']
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if cmd != 'end':
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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, prompt=None, answer=None, sendonly=False, output=None):
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if output:
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command = self._get_command_with_output(command, output)
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return self.send_command(command, prompt=prompt, answer=answer, sendonly=sendonly)
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def get_capabilities(self):
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result = {}
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result['rpc'] = self.get_base_rpc()
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result['device_info'] = self.get_device_info()
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if isinstance(self._connection, NetworkCli):
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result['network_api'] = 'cliconf'
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else:
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result['network_api'] = 'nxapi'
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return json.dumps(result)
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def run_commands(self, commands=None, check_rc=True):
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if commands is None:
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raise ValueError("'commands' value is required")
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# Migrated from module_utils
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def run_commands(self, commands, check_rc=True):
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"""Run list of commands on remote device and return results
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"""
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responses = list()
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for cmd in to_list(commands):
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if not isinstance(cmd, collections.Mapping):
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cmd = {'command': cmd}
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for item in to_list(commands):
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if item['output'] == 'json' and not item['command'].endswith('| json'):
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cmd = '%s | json' % item['command']
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elif item['output'] == 'text' and item['command'].endswith('| json'):
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cmd = item['command'].rsplit('|', 1)[0]
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else:
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cmd = item['command']
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output = cmd.pop('output', None)
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if output:
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cmd['command'] = self._get_command_with_output(cmd['command'], output)
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try:
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out = self.get(cmd)
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out = self.send_command(**cmd)
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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', e)
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try:
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out = to_text(out, errors='surrogate_or_strict').strip()
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except UnicodeError:
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raise ConnectionError(msg=u'Failed to decode output from %s: %s' % (cmd, to_text(out)))
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if out is not None:
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try:
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out = to_text(out, errors='surrogate_or_strict').strip()
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except UnicodeError:
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raise ConnectionError(msg=u'Failed to decode output from %s: %s' % (cmd, to_text(out)))
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try:
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out = json.loads(out)
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except ValueError:
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pass
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try:
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out = json.loads(out)
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except ValueError:
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out = to_text(out, errors='surrogate_or_strict').strip()
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responses.append(out)
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responses.append(out)
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return responses
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def get_device_operations(self):
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return {
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'supports_diff_replace': True,
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'supports_commit': False,
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'supports_rollback': False,
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'supports_defaults': True,
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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': True,
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'supports_diff_ignore_lines': True,
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'supports_generate_diff': True,
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'supports_replace': True
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}
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def get_option_values(self):
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return {
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'format': ['text', 'json'],
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'diff_match': ['line', 'strict', 'exact', 'none'],
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'diff_replace': ['line', 'block', 'config'],
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'output': ['text', 'json']
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}
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def get_capabilities(self):
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result = {}
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result['rpc'] = self.get_base_rpc()
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result['device_info'] = self.get_device_info()
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result.update(self.get_option_values())
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if isinstance(self._connection, NetworkCli):
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result['network_api'] = 'cliconf'
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elif isinstance(self._connection, HttpApi):
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result['network_api'] = 'nxapi'
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else:
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raise ValueError("Invalid connection type")
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return json.dumps(result)
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def _get_command_with_output(self, command, output):
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options_values = self.get_option_values()
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if output not in options_values['output']:
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raise ValueError("'output' value %s is invalid. Valid values are %s" % (output, ','.join(options_values['output'])))
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if output == 'json' and not command.endswith('| json'):
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cmd = '%s | json' % command
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elif output == 'text' and command.endswith('| json'):
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cmd = command.rsplit('|', 1)[0]
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else:
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cmd = command
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return cmd
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