servers/roles/proxmox/templates/cluster.fw.j2

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[OPTIONS]
enable: 1
[RULES]
IN Ping(ACCEPT) -log nolog # don’t be rude
IN SSH(ACCEPT) -i mgmt # for ansible etc.
IN ACCEPT -source {{ nodes | map('device_address') | flatten | selectattr('family.value', '==', 4) | map(attribute='address') | join(',') }} # my cluster
IN ACCEPT -source {{ nodes | map('device_address') | flatten | selectattr('family.value', '==', 6) | map(attribute='address') | join(',') }} # my cluster
{% for service in cluster_services %}
{% set prefixes = service | allowed_prefixes %}
{% set prefixes4 = prefixes | selectattr('family.value', '==', 4) | map('string') %}
{% set prefixes6 = prefixes | selectattr('family.value', '==', 6) | map('string') %}
{% set ports = service.ports | compact_numlist(range_delimiter=':') %}
{% if prefixes4 %}
IN ACCEPT -source {{ prefixes4 | join(',') }} -p {{ service.protocol.value }} -dport {{ ports }} # {{ service.name }}
{% endif %}
{% if prefixes6 %}
IN ACCEPT -source {{ prefixes6 | join(',') }} -p {{ service.protocol.value }} -dport {{ ports }} # {{ service.name }}
{% endif %}
{% endfor %}