configure Geth Mainnet fast sync node

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

ansible/geth.yml

@@ -8,7 +8,9 @@
         msg: 'Your Ansible version is lower than 2.8. Upgrade it.'
 
 - name: Configure geth nodes
-  hosts: nimbus-geth-goerli
+  hosts:
+    - nimbus-geth-goerli
+    - nimbus-geth-mainnet
   roles:
     - { role: swap-file,                tags: swap-file }
     - { role: infra-role-geth,          tags: infra-role-geth }

ansible/group_vars/nimbus-geth-goerli.yml

@@ -5,10 +5,10 @@
 swap_file_size_mb: 4096
 
 # Geth node
-geth_network_name: 'goerli'
+geth_network_name: 'mainnet'
 geth_cont_name: 'geth-{{ geth_network_name }}'
 geth_extra_alias: '{{ geth_cont_name }}'
-geth_sync_mode: 'full'
+geth_sync_mode: 'fast'
 geth_log_level_name: info
 geth_websocket_enabled: true
 # Geth auth

ansible/group_vars/nimbus-geth-mainnet.yml

@@ -0,0 +1,29 @@
+---
+# This node is used as replacement for Infura for end-to-end tests.
+
+# Syncing can use a lot of mamory
+swap_file_size_mb: 4096
+
+# Geth node
+geth_network_name: 'mainnet'
+geth_cont_name: 'geth-{{ geth_network_name }}'
+geth_extra_alias: '{{ geth_cont_name }}'
+geth_sync_mode: 'full'
+geth_log_level_name: info
+geth_websocket_enabled: true
+# Geth auth
+geth_account_pass: '{{lookup("passwordstore", "service/Nimbus-Geth/password")}}'
+
+# Memory settings
+geth_cont_mem_ratio: 0.7
+
+# Geth metrics
+geth_source_cont_name: '{{ geth_cont_name }}'
+geth_expo_cont_name: '{{ geth_cont_name }}-metrics'
+geth_expo_consul_id: '{{ geth_expo_cont_name }}'
+
+# Ports
+geth_port: 30303
+geth_rpc_port: 8545
+geth_websocket_port: 8546
+geth_expo_cont_port: 9200