def repeat_commands(module, commands, check_rc=True):
    responses = list()
    responses.append("START: " + datetime.now().strftime("%Y/%m/%d %H:%M:%S"))

    logdir = module.params['logdir']
    logfile = module.params['logfile']
    log_path = to_bytes(os.path.join(logdir, logfile))
    repeat = module.params['repeat']
    sleep = module.params['sleep']
    store_stdout = module.params['store_stdout']

    connection = get_connection(module)

    if not module.check_mode:
        while repeat > 0:
            repeat -= 1
            for cmd in commands:
                if isinstance(cmd, dict):
                    command = cmd['command']
                    prompt = cmd['prompt']
                    answer = cmd['answer']
                else:
                    command = cmd
                    prompt = None
                    answer = None

                try:
                    out = connection.get(command, prompt, answer)
                except ConnectionError as e:
                    if check_rc:
                        raise
                    else:
                        module.fail_json(
                            msg=u'Failed to get command output %s : %s' %
                            (command, to_text(e)))

                try:
                    out = to_text(out, errors='surrogate_or_strict')
                except UnicodeError:
                    module.fail_json(msg=u'Failed to decode output : %s' %
                                     (command))

                # to reduce memory consumption, store_stdout is set to False by default
                if store_stdout:
                    responses.append(out)

                try:
                    with open(log_path, "a") as f:
                        f.write(command + "\n")
                        f.write(out + "\n")
                        f.write("\n")
                except EnvironmentError as e:
                    module.fail_json(msg=u'Failed to write output %s : %s' %
                                     (command, to_text(e)))

                if sleep > 0 and repeat > 0:
                    time.sleep(sleep)

    responses.append("END: " + datetime.now().strftime("%Y/%m/%d %H:%M:%S"))
    return responses
Example #2
0
def main():
    """ main entry point for module execution
    """
    backup_spec = dict(filename=dict(), dir_path=dict(type='path'))
    argument_spec = dict(
        src=dict(type='path'),
        lines=dict(aliases=['commands'], type='list'),
        parents=dict(type='list'),
        before=dict(type='list'),
        after=dict(type='list'),
        match=dict(default='line', choices=['line', 'strict', 'exact',
                                            'none']),
        replace=dict(default='line', choices=['line', 'block']),
        multiline_delimiter=dict(default='@'),
        running_config=dict(aliases=['config']),
        intended_config=dict(),
        defaults=dict(type='bool', default=False),
        backup=dict(type='bool', default=False),
        backup_options=dict(type='dict', options=backup_spec),
        save_when=dict(choices=['always', 'never', 'modified', 'changed'],
                       default='never'),
        diff_against=dict(choices=['startup', 'intended', 'running']),
        diff_ignore_lines=dict(type='list'),
    )

    argument_spec.update(ios_argument_spec)

    mutually_exclusive = [('lines', 'src'), ('parents', 'src')]

    required_if = [('match', 'strict', ['lines']),
                   ('match', 'exact', ['lines']),
                   ('replace', 'block', ['lines']),
                   ('diff_against', 'intended', ['intended_config'])]

    module = AnsibleModule(argument_spec=argument_spec,
                           mutually_exclusive=mutually_exclusive,
                           required_if=required_if,
                           supports_check_mode=True)

    result = {'changed': False}

    warnings = list()
    check_args(module, warnings)
    result['warnings'] = warnings

    diff_ignore_lines = module.params['diff_ignore_lines']
    config = None
    contents = None
    flags = get_defaults_flag(module) if module.params['defaults'] else []
    connection = get_connection(module)

    if module.params['backup'] or (module._diff and
                                   module.params['diff_against'] == 'running'):
        contents = get_config(module, flags=flags)
        config = NetworkConfig(indent=1, contents=contents)
        if module.params['backup']:
            result['__backup__'] = contents

    if any((module.params['lines'], module.params['src'])):
        match = module.params['match']
        replace = module.params['replace']
        path = module.params['parents']

        candidate = get_candidate_config(module)
        running = get_running_config(module, contents, flags=flags)
        try:
            response = connection.get_diff(candidate=candidate,
                                           running=running,
                                           diff_match=match,
                                           diff_ignore_lines=diff_ignore_lines,
                                           path=path,
                                           diff_replace=replace)
        except ConnectionError as exc:
            module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))

        config_diff = response['config_diff']
        banner_diff = response['banner_diff']

        if config_diff or banner_diff:
            commands = config_diff.split('\n')

            if module.params['before']:
                commands[:0] = module.params['before']

            if module.params['after']:
                commands.extend(module.params['after'])

            result['commands'] = commands
            result['updates'] = commands
            result['banners'] = banner_diff

            # send the configuration commands to the device and merge
            # them with the current running config
            if not module.check_mode:
                if commands:
                    edit_config_or_macro(connection, commands)
                if banner_diff:
                    connection.edit_banner(candidate=json.dumps(banner_diff),
                                           multiline_delimiter=module.
                                           params['multiline_delimiter'])

            result['changed'] = True

    running_config = module.params['running_config']
    startup_config = None

    if module.params['save_when'] == 'always':
        save_config(module, result)
    elif module.params['save_when'] == 'modified':
        output = run_commands(module,
                              ['show running-config', 'show startup-config'])

        running_config = NetworkConfig(indent=1,
                                       contents=output[0],
                                       ignore_lines=diff_ignore_lines)
        startup_config = NetworkConfig(indent=1,
                                       contents=output[1],
                                       ignore_lines=diff_ignore_lines)

        if running_config.sha1 != startup_config.sha1:
            save_config(module, result)
    elif module.params['save_when'] == 'changed' and result['changed']:
        save_config(module, result)

    if module._diff:
        if not running_config:
            output = run_commands(module, 'show running-config')
            contents = output[0]
        else:
            contents = running_config

        # recreate the object in order to process diff_ignore_lines
        running_config = NetworkConfig(indent=1,
                                       contents=contents,
                                       ignore_lines=diff_ignore_lines)

        if module.params['diff_against'] == 'running':
            if module.check_mode:
                module.warn(
                    "unable to perform diff against running-config due to check mode"
                )
                contents = None
            else:
                contents = config.config_text

        elif module.params['diff_against'] == 'startup':
            if not startup_config:
                output = run_commands(module, 'show startup-config')
                contents = output[0]
            else:
                contents = startup_config.config_text

        elif module.params['diff_against'] == 'intended':
            contents = module.params['intended_config']

        if contents is not None:
            base_config = NetworkConfig(indent=1,
                                        contents=contents,
                                        ignore_lines=diff_ignore_lines)

            if running_config.sha1 != base_config.sha1:
                if module.params['diff_against'] == 'intended':
                    before = running_config
                    after = base_config
                elif module.params['diff_against'] in ('startup', 'running'):
                    before = base_config
                    after = running_config

                result.update({
                    'changed': True,
                    'diff': {
                        'before': str(before),
                        'after': str(after)
                    }
                })

    module.exit_json(**result)
Example #3
0
def run_commands(module, commands, check_rc=False):
    connection = get_connection(module)

    return connection.run_commands(commands=commands, check_rc=check_rc)