nimbus.mainnet: deploy one Geth node on metal hosts

https://github.com/status-im/infra-nimbus/issues/127

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ansible/group_vars/nimbus.mainnet.yml

@@ -6,6 +6,31 @@ bootstrap__extra_volume_bind_path: null
 # SWAP
 swap_file_size_mb: 2048
 
+# Go-Ethereum
+geth_service_name: 'geth-{{ geth_network_name }}'
+geth_service_path: '/docker/{{ geth_service_name }}'
+geth_network_name: 'mainnet'
+geth_cont_name: '{{ geth_service_name }}-node'
+geth_cont_vol: '{{ geth_service_path }}/node'
+geth_sync_mode: 'snap'
+geth_log_level_name: 'info'
+geth_account_pass: '{{lookup("bitwarden", "nimbus/geth", field="password")}}'
+geth_authrpc_jwtsecret: '{{lookup("bitwarden", "nimbus/jwt-token")}}'
+# Memory settings¬
+geth_cont_mem_ratio: 0.15
+geth_cache_size: '{{ (ansible_memtotal_mb * 0.05|float) | int }}'
+# Ports
+geth_port: 30303
+geth_rpc_addr: '0.0.0.0'
+geth_rpc_port: 8545
+geth_authrpc_addr: '127.0.0.1'
+geth_authrpc_port: 8551
+# 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
+
 # Nimbus Beacon Node
 beacon_node_network: 'mainnet'
 # TODO This is to avoid too long service names.

ansible/mainnet.yml

@@ -34,6 +34,8 @@
   hosts: nimbus-mainnet-metal
   roles:
     - { role: redirect-ports,               tags: [ redirect-ports ] }
+    - { role: infra-role-geth,              tags: [ infra-role-geth ] }
+    - { role: infra-role-geth-exporter,     tags: [ infra-role-geth-exporter ] }
     - { role: get-geth-api-urls,            tags: [ get-geth-api-urls ] }
     - { role: nimbus-era-files,             tags: [ nimbus-era-file ] }
   tasks: