mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-09-10 01:03:07 +02:00
250 lines
6.8 KiB
Python
250 lines
6.8 KiB
Python
# -*- coding: utf-8 -*-
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#
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# (c) 2017, Ansible by Red Hat, inc
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#
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# This file is part of Ansible by Red Hat
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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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import json
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from ansible.module_utils._text import to_text
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from ansible.module_utils.connection import Connection, ConnectionError
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from ansible.module_utils.network.common.utils import to_list, EntityCollection
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_DEVICE_CONFIGS = {}
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_CONNECTION = None
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_COMMAND_SPEC = {
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'command': dict(key=True),
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'prompt': dict(),
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'answer': dict()
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}
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def get_connection(module):
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global _CONNECTION
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if _CONNECTION:
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return _CONNECTION
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_CONNECTION = Connection(module._socket_path)
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return _CONNECTION
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def to_commands(module, commands):
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if not isinstance(commands, list):
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raise AssertionError('argument must be of type <list>')
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transform = EntityCollection(module, _COMMAND_SPEC)
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commands = transform(commands)
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return commands
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def run_commands(module, commands, check_rc=True):
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connection = get_connection(module)
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commands = to_commands(module, to_list(commands))
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responses = list()
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for cmd in commands:
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out = connection.get(**cmd)
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responses.append(to_text(out, errors='surrogate_then_replace'))
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return responses
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def get_config(module, source='running'):
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conn = get_connection(module)
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out = conn.get_config(source)
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cfg = to_text(out, errors='surrogate_then_replace').strip()
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return cfg
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def load_config(module, config):
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try:
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conn = get_connection(module)
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conn.edit_config(config)
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except ConnectionError as exc:
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module.fail_json(msg=to_text(exc))
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def _parse_json_output(out):
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out_list = out.split('\n')
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first_index = 0
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opening_char = None
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lines_count = len(out_list)
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while first_index < lines_count:
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first_line = out_list[first_index].strip()
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if not first_line or first_line[0] not in ("[", "{"):
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first_index += 1
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continue
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opening_char = first_line[0]
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break
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if not opening_char:
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return "null"
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closing_char = ']' if opening_char == '[' else '}'
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last_index = lines_count - 1
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found = False
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while last_index > first_index:
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last_line = out_list[last_index].strip()
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if not last_line or last_line[0] != closing_char:
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last_index -= 1
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continue
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found = True
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break
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if not found:
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return opening_char + closing_char
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return "".join(out_list[first_index:last_index + 1])
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def show_cmd(module, cmd, json_fmt=True, fail_on_error=True):
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if json_fmt:
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cmd += " | json-print"
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conn = get_connection(module)
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command_obj = to_commands(module, to_list(cmd))[0]
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try:
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out = conn.get(**command_obj)
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except ConnectionError:
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if fail_on_error:
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raise
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return None
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if json_fmt:
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out = _parse_json_output(out)
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try:
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cfg = json.loads(out)
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except ValueError:
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module.fail_json(
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msg="got invalid json",
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stderr=to_text(out, errors='surrogate_then_replace'))
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else:
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cfg = to_text(out, errors='surrogate_then_replace').strip()
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return cfg
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def get_interfaces_config(module, interface_type, flags=None, json_fmt=True):
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cmd = "show interfaces %s" % interface_type
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if flags:
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cmd += " %s" % flags
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return show_cmd(module, cmd, json_fmt)
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def show_version(module):
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return show_cmd(module, "show version")
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def get_bgp_summary(module):
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cmd = "show running-config protocol bgp"
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return show_cmd(module, cmd, json_fmt=False, fail_on_error=False)
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class BaseOnyxModule(object):
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ONYX_API_VERSION = "3.6.6000"
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def __init__(self):
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self._module = None
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self._commands = list()
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self._current_config = None
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self._required_config = None
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self._os_version = None
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def init_module(self):
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pass
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def load_current_config(self):
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pass
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def get_required_config(self):
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pass
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def _get_os_version(self):
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version_data = show_version(self._module)
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return self.get_config_attr(
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version_data, "Product release")
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# pylint: disable=unused-argument
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def check_declarative_intent_params(self, result):
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return None
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def _validate_key(self, param, key):
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validator = getattr(self, 'validate_%s' % key)
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if callable(validator):
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validator(param.get(key))
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def validate_param_values(self, obj, param=None):
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if param is None:
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param = self._module.params
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for key in obj:
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# validate the param value (if validator func exists)
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try:
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self._validate_key(param, key)
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except AttributeError:
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pass
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@classmethod
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def get_config_attr(cls, item, arg):
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return item.get(arg)
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@classmethod
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def get_mtu(cls, item):
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mtu = cls.get_config_attr(item, "MTU")
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mtu_parts = mtu.split()
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try:
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return int(mtu_parts[0])
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except ValueError:
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return None
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def _validate_range(self, attr_name, min_val, max_val, value):
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if value is None:
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return True
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if not min_val <= int(value) <= max_val:
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msg = '%s must be between %s and %s' % (
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attr_name, min_val, max_val)
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self._module.fail_json(msg=msg)
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def validate_mtu(self, value):
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self._validate_range('mtu', 1500, 9612, value)
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def generate_commands(self):
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pass
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def run(self):
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self.init_module()
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result = {'changed': False}
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self.get_required_config()
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self.load_current_config()
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self.generate_commands()
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result['commands'] = self._commands
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if self._commands:
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if not self._module.check_mode:
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load_config(self._module, self._commands)
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result['changed'] = True
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failed_conditions = self.check_declarative_intent_params(result)
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if failed_conditions:
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msg = 'One or more conditional statements have not been satisfied'
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self._module.fail_json(msg=msg,
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failed_conditions=failed_conditions)
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self._module.exit_json(**result)
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@classmethod
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def main(cls):
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app = cls()
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app.run()
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