sepolia: add geth exporter

ansible/group_vars/nimbus.sepolia.yml

@@ -2,6 +2,9 @@
 # Go-Ethereum
 geth_service_name: 'geth-sepolia-{{ node.branch }}'
 geth_network_name: 'sepolia'
+geth_service_path: '/docker/{{ geth_service_name }}'
+geth_cont_name: '{{ geth_service_name }}-node'
+geth_cont_vol: '{{ geth_service_path }}/node'
 geth_sync_mode: 'full'
 geth_log_level_name: info
 # Geth auth & JWT token
@@ -78,6 +81,13 @@ validator_client_build_frequency: 'daily'
 # Ports
 validator_client_metrics_port:    '{{ 8108 + idx|int + 1 }}'
 validator_client_keymanager_port: '{{ 5052 + idx|int + 1 }}'
+
+# Geth metrics¬
+geth_expo_service_name: '{{ geth_service_name }}'
+geth_expo_source_cont_name: '{{ geth_cont_name }}'
+geth_expo_source_data_path: '{{ geth_cont_vol }}/data'
+geth_expo_cont_port:  '{{ 9400 + (idx|int) + 1 }}'
+
 # Suggests it to the Execution Layer client and the builder network.
 validator_client_suggested_fee_recipient: '{{lookup("bitwarden", "nimbus/wallet/testnets", field="address")}}'
 # MEV Payload Builder
@@ -109,3 +119,4 @@ open_ports_list:
   - { port: '9557:9560',                       ipset: 'waku.test',      comment: 'Websocket for Waku' }
   - { port: '8556:8559',                       ipset: 'waku.sandbox',   comment: 'HTTP RCP for Waku' }
   - { port: '9557:9560',                       ipset: 'waku.sandbox',   comment: 'Websocket for Waku' }
+  - { port: '9400:9404',                       ipset: 'metrics.hq',     comment: 'Geth Exporter' }

ansible/sepolia.yml

@@ -17,10 +17,10 @@
     - nimbus-sepolia-linux
   roles:
     - { role: update-netplan,           tags: [ update-netplan ], when: ansible_system == 'Linux' }
-    - { role: infra-role-open-ports,    tags: [ open-ports ]        }
-    - { role: infra-role-smart-metrics, tags: [ smart-metrics ]     }
-    - { role: redirect-ports,           tags: [ redirect-ports ]    }
-    - { role: nimbus-era-files,         tags: [ nimbus-era-files ]  }
+    - { role: infra-role-open-ports,    tags: [ open-ports ]                                      }
+    - { role: infra-role-smart-metrics, tags: [ smart-metrics ]                                   }
+    - { role: redirect-ports,           tags: [ redirect-ports ]                                  }
+    - { role: nimbus-era-files,         tags: [ nimbus-era-files ]                                }
   tasks:
     - include_role:
         name: infra-role-geth
@@ -52,3 +52,11 @@
       loop_control:
         loop_var: node
         index_var: idx
+
+    - include_role:
+        name: infra-role-geth-exporter
+        apply:
+          tags: always
+      tags: [ infra-role-geth-exporter ]
+      with_items: '{{ nodes_layout[hostname] }}'
+      loop_control: { loop_var: node, index_var: idx }