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feat(networks): a network's DHCP leases on its page

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- A DHCP leases card on the page of a network that serves DHCP: each
  lease's address, MAC or an IPv6 client's DUID, the host name the client
  sent, the VM whose card has that MAC, linked, and when it ends.
- A lease that is a fixed address is marked; any other in one of the
  network's DHCP subnets has a Make fixed button that fills in the fixed
  address dialog with its address, MAC or DUID and name.
- Leases that cannot be read are said on the card; the rest of the page
  stays. A network that does not run has none.
- The VMs on a network are read with the MACs of their cards on it, from
  the definitions already read.
This commit is contained in:
catborise 2026-10-29 11:28:21 +03:00
parent 2e1f29961c
commit f745033d29
5 changed files with 245 additions and 9 deletions
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66
networks/templates/network.html
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@ -189,6 +189,69 @@
<div class="card-body small text-body-secondary">{% trans "The network serves no DHCP, so it has no fixed addresses." %}</div>
{% endif %}
</div>
{% if dhcp_networks %}
<div class="card mb-3">
<div class="card-header">{% trans "DHCP leases" %} {% if leases %}<span class="badge text-bg-light border">{{ leases|length }}</span>{% endif %}</div>
{% if leases_error %}
<div class="card-body small text-danger">{% blocktrans with error=leases_error %}The leases could not be read: {{ error }}{% endblocktrans %}</div>
{% elif leases %}
<div class="table-responsive position-relative">
<table class="table table-hover align-middle mb-0">
<thead>
<tr>
<th scope="col">{% trans "Address" %}</th>
<th scope="col">{% trans "MAC / DUID" %}</th>
<th scope="col">{% trans "Host name" %}</th>
<th scope="col">{% trans "VM" %}</th>
<th scope="col">{% trans "Ends" %}</th>
<th scope="col"><span class="visually-hidden">{% trans "Actions" %}</span></th>
</tr>
</thead>
<tbody>
{% for lease in leases %}
<tr>
<td class="text-nowrap">
<span class="font-monospace">{{ lease.ip }}</span>
{% if lease.fixed %}<span class="badge text-bg-light border">{% trans "Fixed" %}</span>{% endif %}
</td>
<td class="font-monospace text-nowrap">{{ lease.key|default:"–" }}</td>
<td class="text-nowrap">{{ lease.hostname|default:"–" }}</td>
<td>
{% if lease.vm.id %}
<a href="{% url 'instances:instance' lease.vm.id %}">{{ lease.vm.name }}</a>
{% else %}
{{ lease.vm.name|default:"–" }}
{% endif %}
</td>
<td class="text-nowrap">
{% if lease.expires %}
<div>{% blocktrans with time=lease.expires|timeuntil %}in {{ time }}{% endblocktrans %}</div>
<div class="small text-body-secondary">{{ lease.expires|date:"Y-m-d H:i" }}</div>
{% else %}
{% trans "Never" %}
{% endif %}
</td>
<td class="text-end">
{# a lease kept as a fixed address: the dialog of a new one, filled in #}
{% if not lease.fixed and lease.key and lease.ip_index is not None %}
<button type="button" class="btn btn-sm btn-outline-secondary text-nowrap" data-bs-toggle="modal" data-bs-target="#FixedAddress"
data-ip-index="{{ lease.ip_index }}" data-address="{{ lease.ip }}" data-mac="{{ lease.key }}"
data-name="{{ lease.name }}">{% bs_icon 'pin-angle' %} {% trans "Make fixed" %}</button>
{% endif %}
</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
{% elif state %}
<div class="card-body small text-body-secondary">{% trans "No current DHCP leases." %}</div>
{% else %}
<div class="card-body small text-body-secondary">{% trans "The network is not running, so it gives no leases." %}</div>
{% endif %}
</div>
{% endif %}
{% endif %}
<div class="card mb-3">
@ -413,7 +476,8 @@
form.elements.address.value = data.address || "";
form.elements.mac.value = data.mac || "";
form.elements.name.value = data.name || "";
if (data.ipIndex) form.elements.ip_index.value = data.ipIndex;
// Add starts from the first subnet, not the one a row chose before
form.elements.ip_index.value = data.ipIndex || form.elements.ip_index.options[0].value;
document.getElementById("fixed_subnet_row").hidden = Boolean(data.original);
});
fillFrom("DhcpRange", function (form, data) {