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Merge pull request #17032 from Qalthos/net_mod_nxos
Update NXOS to NetworkModule
This commit is contained in:
Peter Sprygada
GitHub
commit
7579df33ce
1 changed files with 208 additions and 191 deletions
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@ -19,266 +19,283 @@
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import re
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import re
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from ansible.module_utils.basic import AnsibleModule, env_fallback, get_exception
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from ansible.module_utils.basic import json, json_dict_bytes_to_unicode
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from ansible.module_utils.shell import Shell, ShellError, HAS_PARAMIKO
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from ansible.module_utils.network import NetCli, NetworkError, ModuleStub
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from ansible.module_utils.netcfg import parse
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from ansible.module_utils.network import add_argument, register_transport, to_list
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from ansible.module_utils.urls import fetch_url
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from ansible.module_utils.netcfg import NetworkConfig
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from ansible.module_utils.urls import fetch_url, url_argument_spec
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NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
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# temporary fix until modules are update. to be removed before 2.2 final
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from ansible.module_utils.network import get_module
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NET_COMMON_ARGS = dict(
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add_argument('use_ssl', dict(default=False, type='bool'))
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host=dict(required=True),
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add_argument('validate_certs', dict(default=True, type='bool'))
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port=dict(type='int'),
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username=dict(fallback=(env_fallback, ['ANSIBLE_NET_USERNAME'])),
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password=dict(no_log=True, fallback=(env_fallback, ['ANSIBLE_NET_PASSWORD'])),
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ssh_keyfile=dict(fallback=(env_fallback, ['ANSIBLE_NET_SSH_KEYFILE']), type='path'),
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transport=dict(default='cli', choices=['cli', 'nxapi']),
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use_ssl=dict(default=False, type='bool'),
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validate_certs=dict(default=True, type='bool'),
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provider=dict(type='dict'),
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timeout=dict(default=10, type='int')
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)
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NXAPI_COMMAND_TYPES = ['cli_show', 'cli_show_ascii', 'cli_conf', 'bash']
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def argument_spec():
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return dict(
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# config options
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running_config=dict(aliases=['config']),
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save_config=dict(type='bool', default=False, aliases=['save']),
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)
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nxos_argument_spec = argument_spec()
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NXAPI_ENCODINGS = ['json', 'xml']
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def get_config(module):
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config = module.params['running_config']
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if not config:
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config = module.config.get_config(include_defaults=True)
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return NetworkConfig(indent=2, contents=config)
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CLI_PROMPTS_RE = [
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def load_config(module, candidate):
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re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*[>|#|%](?:\s*)$'),
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config = get_config(module)
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re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*\(.+\)#(?:\s*)$')
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]
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CLI_ERRORS_RE = [
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commands = candidate.difference(config)
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re.compile(r"% ?Error"),
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commands = [str(c).strip() for c in commands]
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re.compile(r"^% \w+", re.M),
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re.compile(r"% ?Bad secret"),
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re.compile(r"invalid input", re.I),
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re.compile(r"(?:incomplete|ambiguous) command", re.I),
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re.compile(r"connection timed out", re.I),
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re.compile(r"[^\r\n]+ not found", re.I),
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re.compile(r"'[^']' +returned error code: ?\d+"),
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re.compile(r"syntax error"),
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re.compile(r"unknown command")
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]
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save_config = module.params['save_config']
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def to_list(val):
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result = dict(changed=False)
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if isinstance(val, (list, tuple)):
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return list(val)
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if commands:
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elif val is not None:
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if not module.check_mode:
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return [val]
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module.config(commands)
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else:
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if save_config:
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return list()
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module.config.save_config()
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result['changed'] = True
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result['updates'] = commands
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return result
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class Nxapi(object):
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class Nxapi(object):
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def __init__(self, module):
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OUTPUT_TO_COMMAND_TYPE = {
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self.module = module
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'text': 'cli_show_ascii',
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'json': 'cli_show',
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# sets the module_utils/urls.py req parameters
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'bash': 'bash',
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self.module.params['url_username'] = module.params['username']
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'config': 'cli_conf'
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self.module.params['url_password'] = module.params['password']
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}
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def __init__(self):
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self.url = None
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self.url = None
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self.url_args = ModuleStub(url_argument_spec(), self._error)
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self._nxapi_auth = None
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self._nxapi_auth = None
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self.default_output = 'json'
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self._connected = False
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def _get_body(self, commands, command_type, encoding, version='1.0', chunk='0', sid=None):
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def _error(self, msg, **kwargs):
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self._nxapi_auth = None
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raise NetworkError(msg, url=self.url)
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def _get_body(self, commands, output, version='1.0', chunk='0', sid=None):
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"""Encodes a NXAPI JSON request message
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"""Encodes a NXAPI JSON request message
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"""
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"""
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try:
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command_type = self.OUTPUT_TO_COMMAND_TYPE[output]
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except KeyError:
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msg = 'invalid format, received %s, expected one of %s' % \
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(output, ','.join(self.OUTPUT_TO_COMMAND_TYPE.keys()))
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self._error(msg=msg)
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if isinstance(commands, (list, set, tuple)):
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if isinstance(commands, (list, set, tuple)):
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commands = ' ;'.join(commands)
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commands = ' ;'.join(commands)
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if encoding not in NXAPI_ENCODINGS:
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msg = 'invalid encoding, received %s, exceped one of %s' % \
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(encoding, ','.join(NXAPI_ENCODINGS))
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self.module_fail_json(msg=msg)
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msg = {
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msg = {
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'version': version,
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'version': version,
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'type': command_type,
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'type': command_type,
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'chunk': chunk,
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'chunk': chunk,
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'sid': sid,
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'sid': sid,
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'input': commands,
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'input': commands,
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'output_format': encoding
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'output_format': output
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}
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}
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return dict(ins_api=msg)
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return dict(ins_api=msg)
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def connect(self):
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def connect(self, params, **kwargs):
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host = self.module.params['host']
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host = params['host']
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port = self.module.params['port']
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port = params['port']
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if self.module.params['use_ssl']:
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# sets the module_utils/urls.py req parameters
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self.url_args.params['url_username'] = params['username']
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self.url_args.params['url_password'] = params['password']
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self.url_args.params['validate_certs'] = params['validate_certs']
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if params['use_ssl']:
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proto = 'https'
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proto = 'https'
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if not port:
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port = port or 443
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port = 443
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else:
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else:
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proto = 'http'
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proto = 'http'
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if not port:
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port = port or 80
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port = 80
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self.url = '%s://%s:%s/ins' % (proto, host, port)
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self.url = '%s://%s:%s/ins' % (proto, host, port)
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self._connected = True
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def send(self, commands, command_type='cli_show_ascii', encoding='json'):
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def disconnect(self, **kwargs):
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self.url = None
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self._nxapi_auth = None
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self._connected = False
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def execute(self, commands, output=None, **kwargs):
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"""Send commands to the device.
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"""Send commands to the device.
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"""
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"""
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clist = to_list(commands)
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commands = to_list(commands)
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output = output or self.default_output
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if command_type not in NXAPI_COMMAND_TYPES:
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data = self._get_body(commands, output)
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msg = 'invalid command_type, received %s, exceped one of %s' % \
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data = self._jsonify(data)
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(command_type, ','.join(NXAPI_COMMAND_TYPES))
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self.module_fail_json(msg=msg)
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data = self._get_body(clist, command_type, encoding)
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data = self.module.jsonify(data)
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headers = {'Content-Type': 'application/json'}
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headers = {'Content-Type': 'application/json'}
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if self._nxapi_auth:
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if self._nxapi_auth:
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headers['Cookie'] = self._nxapi_auth
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headers['Cookie'] = self._nxapi_auth
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response, headers = fetch_url(self.module, self.url, data=data,
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response, headers = fetch_url(
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headers=headers, method='POST')
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self.url_args, self.url, data=data, headers=headers, method='POST'
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)
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self._nxapi_auth = headers.get('set-cookie')
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self._nxapi_auth = headers.get('set-cookie')
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if headers['status'] != 200:
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if headers['status'] != 200:
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self.module.fail_json(**headers)
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self._error(**headers)
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try:
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response = json.loads(response.read())
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except ValueError:
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raise NetworkError(msg='unable to load repsonse from device')
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response = self.module.from_json(response.read())
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result = list()
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result = list()
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output = response['ins_api']['outputs']['output']
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output = response['ins_api']['outputs']['output']
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for item in to_list(output):
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for item in to_list(output):
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if item['code'] != '200':
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if item['code'] != '200':
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self.module.fail_json(**item)
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self._error(**item)
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else:
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else:
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result.append(item['body'])
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result.append(item['body'])
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return result
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return result
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### implemented by network.Config ###
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class Cli(object):
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def __init__(self, module):
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self.module = module
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self.shell = None
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def connect(self, **kwargs):
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host = self.module.params['host']
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port = self.module.params['port'] or 22
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username = self.module.params['username']
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password = self.module.params['password']
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timeout = self.module.params['timeout']
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key_filename = self.module.params['ssh_keyfile']
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allow_agent = (key_filename is not None) or (key_filename is None and password is None)
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try:
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self.shell = Shell(kickstart=False, prompts_re=CLI_PROMPTS_RE,
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errors_re=CLI_ERRORS_RE)
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self.shell.open(host, port=port, username=username,
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password=password, key_filename=key_filename,
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allow_agent=allow_agent, timeout=timeout)
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except ShellError:
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e = get_exception()
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msg = 'failed to connect to %s:%s - %s' % (host, port, str(e))
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self.module.fail_json(msg=msg)
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def send(self, commands, encoding='text'):
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try:
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return self.shell.send(commands)
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except ShellError:
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e = get_exception()
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self.module.fail_json(msg=e.message, commands=commands)
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class NetworkModule(AnsibleModule):
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def __init__(self, *args, **kwargs):
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super(NetworkModule, self).__init__(*args, **kwargs)
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self.connection = None
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self._config = None
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self._connected = False
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@property
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def connected(self):
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return self._connected
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@property
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def config(self):
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if not self._config:
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self._config = self.get_config()
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return self._config
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def _load_params(self):
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super(NetworkModule, self)._load_params()
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provider = self.params.get('provider') or dict()
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for key, value in provider.items():
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if key in NET_COMMON_ARGS:
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if self.params.get(key) is None and value is not None:
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self.params[key] = value
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def connect(self):
|
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cls = globals().get(str(self.params['transport']).capitalize())
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try:
|
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self.connection = cls(self)
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except TypeError:
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e = get_exception()
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self.fail_json(msg=e.message)
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self.connection.connect()
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if self.params['transport'] == 'cli':
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self.connection.send('terminal length 0')
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self._connected = True
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def configure(self, commands):
|
def configure(self, commands):
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commands = to_list(commands)
|
commands = to_list(commands)
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if self.params['transport'] == 'cli':
|
return self.execute(commands, output='config')
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return self.configure_cli(commands)
|
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else:
|
|
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return self.execute(commands, command_type='cli_conf')
|
|
||||||
|
|
||||||
def configure_cli(self, commands):
|
def get_config(self, **kwargs):
|
||||||
commands = to_list(commands)
|
cmd = 'show running-config'
|
||||||
commands.insert(0, 'configure')
|
if kwargs.get('include_defaults'):
|
||||||
|
cmd += ' all'
|
||||||
|
return self.execute([cmd], output='text')[0]
|
||||||
|
|
||||||
|
def load_config(self, **kwargs):
|
||||||
|
raise NotImplementedError
|
||||||
|
|
||||||
|
def replace_config(self, **kwargs):
|
||||||
|
raise NotImplementedError
|
||||||
|
|
||||||
|
def commit_config(self, **kwargs):
|
||||||
|
raise NotImplementedError
|
||||||
|
|
||||||
|
def abort_config(self, **kwargs):
|
||||||
|
raise NotImplementedError
|
||||||
|
|
||||||
|
def _jsonify(self, data):
|
||||||
|
for encoding in ("utf-8", "latin-1"):
|
||||||
|
try:
|
||||||
|
return json.dumps(data, encoding=encoding)
|
||||||
|
# Old systems using old simplejson module does not support encoding keyword.
|
||||||
|
except TypeError:
|
||||||
|
try:
|
||||||
|
new_data = json_dict_bytes_to_unicode(data, encoding=encoding)
|
||||||
|
except UnicodeDecodeError:
|
||||||
|
continue
|
||||||
|
return json.dumps(new_data)
|
||||||
|
except UnicodeDecodeError:
|
||||||
|
continue
|
||||||
|
self._error(msg='Invalid unicode encoding encountered')
|
||||||
|
Nxapi = register_transport('nxapi')(Nxapi)
|
||||||
|
|
||||||
|
|
||||||
|
class Cli(NetCli):
|
||||||
|
NET_PASSWD_RE = re.compile(r"[\r\n]?password: $", re.I)
|
||||||
|
|
||||||
|
CLI_PROMPTS_RE = [
|
||||||
|
re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*[>|#|%](?:\s*)$'),
|
||||||
|
re.compile(r'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*\(.+\)#(?:\s*)$')
|
||||||
|
]
|
||||||
|
|
||||||
|
CLI_ERRORS_RE = [
|
||||||
|
re.compile(r"% ?Error"),
|
||||||
|
re.compile(r"^% \w+", re.M),
|
||||||
|
re.compile(r"% ?Bad secret"),
|
||||||
|
re.compile(r"invalid input", re.I),
|
||||||
|
re.compile(r"(?:incomplete|ambiguous) command", re.I),
|
||||||
|
re.compile(r"connection timed out", re.I),
|
||||||
|
re.compile(r"[^\r\n]+ not found", re.I),
|
||||||
|
re.compile(r"'[^']' +returned error code: ?\d+"),
|
||||||
|
re.compile(r"syntax error"),
|
||||||
|
re.compile(r"unknown command")
|
||||||
|
]
|
||||||
|
|
||||||
|
def connect(self, params, **kwargs):
|
||||||
|
super(Cli, self).connect(params, kickstart=False, **kwargs)
|
||||||
|
self.shell.send('terminal length 0')
|
||||||
|
|
||||||
|
### implementation of network.Cli ###
|
||||||
|
|
||||||
|
def run_commands(self, commands):
|
||||||
|
cmds = list(prepare_commands(commands))
|
||||||
|
responses = self.execute(cmds)
|
||||||
|
for index, cmd in enumerate(commands):
|
||||||
|
if cmd.output == 'json':
|
||||||
|
try:
|
||||||
|
responses[index] = json.loads(responses[index])
|
||||||
|
except ValueError:
|
||||||
|
raise NetworkError(
|
||||||
|
msg='unable to load response from device',
|
||||||
|
response=responses[index]
|
||||||
|
)
|
||||||
|
return responses
|
||||||
|
|
||||||
|
### implemented by network.Config ###
|
||||||
|
|
||||||
|
def get_config(self, **kwargs):
|
||||||
|
cmd = 'show running-config'
|
||||||
|
if kwargs.get('include_defaults'):
|
||||||
|
cmd += ' all'
|
||||||
|
return self.execute([cmd])[0]
|
||||||
|
|
||||||
|
def configure(self, commands, **kwargs):
|
||||||
|
commands = prepare_config(commands)
|
||||||
responses = self.execute(commands)
|
responses = self.execute(commands)
|
||||||
responses.pop(0)
|
responses.pop(0)
|
||||||
return responses
|
return responses
|
||||||
|
|
||||||
def execute(self, commands, **kwargs):
|
def load_config(self):
|
||||||
if not self.connected:
|
raise NotImplementedError
|
||||||
self.connect()
|
|
||||||
return self.connection.send(commands, **kwargs)
|
|
||||||
|
|
||||||
def disconnect(self):
|
def replace_config(self, **kwargs):
|
||||||
self.connection.close()
|
raise NotImplementedError
|
||||||
self._connected = False
|
|
||||||
|
|
||||||
def parse_config(self, cfg):
|
def commit_config(self):
|
||||||
return parse(cfg, indent=2)
|
raise NotImplementedError
|
||||||
|
|
||||||
def get_config(self):
|
def abort_config(self):
|
||||||
cmd = 'show running-config'
|
raise NotImplementedError
|
||||||
if self.params.get('include_defaults'):
|
|
||||||
cmd += ' all'
|
def save_config(self):
|
||||||
response = self.execute(cmd)
|
self.execute(['copy running-config startup-config'])
|
||||||
return response[0]
|
Cli = register_transport('cli', default=True)(Cli)
|
||||||
|
|
||||||
|
def prepare_config(commands):
|
||||||
|
commands = to_list(commands)
|
||||||
|
commands.insert(0, 'configure')
|
||||||
|
commands.append('end')
|
||||||
|
return commands
|
||||||
|
|
||||||
|
|
||||||
def get_module(**kwargs):
|
def prepare_commands(commands):
|
||||||
"""Return instance of NetworkModule
|
jsonify = lambda x: '%s | json' % x
|
||||||
"""
|
for cmd in to_list(commands):
|
||||||
argument_spec = NET_COMMON_ARGS.copy()
|
if cmd.output == 'json':
|
||||||
if kwargs.get('argument_spec'):
|
cmd = jsonify(cmd)
|
||||||
argument_spec.update(kwargs['argument_spec'])
|
else:
|
||||||
kwargs['argument_spec'] = argument_spec
|
cmd = str(cmd)
|
||||||
|
yield cmd
|
||||||
module = NetworkModule(**kwargs)
|
|
||||||
|
|
||||||
if module.params['transport'] == 'cli' and not HAS_PARAMIKO:
|
|
||||||
module.fail_json(msg='paramiko is required but does not appear to be installed')
|
|
||||||
|
|
||||||
return module
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue