feat: allow specifying consul addr for exporters

- ensure frr/node exporter reachable on hosts with loopbacks

hieradata/roles/infra/incus/node.yaml

@@ -150,8 +150,11 @@ networking::interfaces:
     netmask: 255.255.255.255
     mtu: 1500
 
+exporters::node_exporter::addr: "%{hiera('networking_loopback0_ip')}"
+
 # frrouting
 exporters::frr_exporter::enable: true
+exporters::frr_exporter::addr: "%{hiera('networking_loopback0_ip')}"
 frrouting::ospfd_router_id: "%{hiera('networking_loopback0_ip')}"
 frrouting::ospfd_redistribute:
   - connected

hieradata/roles/infra/k8s/node.yaml

@@ -97,8 +97,11 @@ profiles::consul::client::node_rules:
     segment: frr_exporter
     disposition: write
 
+exporters::node_exporter::addr: "%{hiera('networking_loopback0_ip')}"
+
 # frrouting
 exporters::frr_exporter::enable: true
+exporters::frr_exporter::addr: "%{hiera('networking_loopback0_ip')}"
 frrouting::ospfd_router_id: "%{hiera('networking_loopback0_ip')}"
 frrouting::ospfd_redistribute:
   - connected

modules/exporters/manifests/frr_exporter.pp

@@ -4,6 +4,7 @@ class exporters::frr_exporter (
   String  $group          = 'frr_exporter',
   Boolean $manage_user    = true,
   Boolean $manage_service = true,
+  Stdlib::Host $addr      = $facts['networking']['ip'],
   Stdlib::Port $port      = 9342,
   Stdlib::Absolutepath $exec_path  = '/usr/bin/frr_exporter',
   Stdlib::Absolutepath $socket_dir = '/var/run/frr',
@@ -45,7 +46,7 @@ class exporters::frr_exporter (
     # manage consul service
     consul::service { 'frr_exporter':
       service_name => 'frr_exporter',
-      address      => $facts['networking']['ip'],
+      address      => $addr,
       port         => $port,
       tags         => [
         'metrics',

modules/exporters/manifests/node_exporter.pp

@@ -4,6 +4,7 @@ class exporters::node_exporter (
   String  $group          = 'node_exporter',
   Boolean $manage_user    = true,
   Boolean $manage_service = true,
+  Stdlib::Host $addr      = $facts['networking']['ip'],
   Stdlib::Port $port      = 9100,
   Stdlib::Absolutepath $exec_path     = '/usr/bin/node_exporter',
   Boolean $cleanup_old_node_exporter  = false,
@@ -58,7 +59,7 @@ class exporters::node_exporter (
     # manage consul service
     consul::service { 'node_exporter':
       service_name => 'node_exporter',
-      address      => $facts['networking']['ip'],
+      address      => $addr,
       port         => $port,
       tags         => [
         'metrics',