if server['obfs'] not in ('True', 'False'):

                error_message = ('obfs has not the right content!'

                                 ' is: %s must be one of: True or False\n') \

                    % server['obfs']

                raise ValueError(error_message)

    if 'ip' in server:

        if IP_REGEX.match(server['ip']) is None:

            raise ValueError('ip is not the right format!\n')

        elif PRIVATE_IP_REGEX.match(server['ip']) is not None:

            raise ValueError('ip is not accepted!\n')

    return True

def update_server(server, ip):

    server['last_updated'] = datetime.utcnow().strftime(DATE_FORMAT)

    server['server_status'] = 'Online'

    server['country'] = gi4.country_name_by_addr(ip)

    if server['server_type'] == 'Bridge':

        server['obfs'] = literal_eval(server['obfs'])

    else:

        if 'obfs' in server:

            del server['obfs']

        server['ip'] = ip

    try:

        filename = ''.join(['data/', server['server_name'].lower(), '.json'])

        with open(filename, 'w', encoding='utf-8') as fb:

            json.dump(server, fb)

        return server

    except Exception as e:

        return e

    {% set color = "text-success" %}

  {% else %}

    {% set color = "text-danger" %}

  {% endif %}

  <p class={{ color }}>{{ obfs }}</p>

{% endmacro %}

{% macro create_country(country) %}

  {% set country_class = "flag-" + country|lower|replace(' ', '-') %}

  <i class={{ country_class }}></i> {{ country|title }}

{% endmacro %}

{% macro create_fingerprint(fingerprint) %}

  <a href="http://globe.enn.lu/#/relay/{{ fingerprint }}">{{ fingerprint|upper}}</a>

{% endmacro %}

{% macro create_name(name) %}

  <a href="http://{{ name|lower }}.enn.lu">{{ name }}</a>

{% endmacro %}

{% macro create_server_table(server_type, servers) %}

  {% if server_type in ('Exit', 'Relay') %}

    {% set headers = ['#', 'Name', 'IP', 'Server Status', 'Tor Status', 'Country', 'Fingerprint', 'Last Updated (UTC)'] %}

  {% else %}

  {% endif %}

  <h2>{{ server_type }}</h2>

  <table class="table table-bordered table-striped">

    <thead>

      <tr>

        {% for name in headers %}

          <th>{{ name }}</th>

        {% endfor %}

      </tr>

    </thead>

    <tbody>

      {% for server in servers %}

        <tr>

          <td>{{ loop.index }}</td>

          {% if server_type in ('Exit', 'Relay') %}

            <td>{{ create_name(server['server_name']) }}</td>

          {% else %}

            <td>{{ server['server_name'] }}</td>

          {% endif %}

          {% if server_type in ('Exit', 'Relay') %}

            <td>{{ server['ip'] }}</td>

          {% endif %}

          {% for status in [server['server_status'], server['tor_status']] %}

            <td>{{ colorize_status(status) }}</td>

          {% endfor %}

          <td>{{ create_country(server['country']) }}</td>

            <td>{{ colorize_obfs(server['obfs']) }}</td>

          {% endif %}

          <td>{{ server['last_updated'] }}</td>

        </tr>

      {% endfor %}

    </tbody>

  </table>

{% endmacro %}