add support for --log-stdout flag that controls format

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

defaults/main.yml

@@ -21,7 +21,8 @@ beacon_node_build_days_kept: 3
 
 # shared testnet name: mainnet, pyrmont, prater, etc.
 beacon_node_network: 'mainnet'
-beacon_node_log_level: 'INFO'
+beacon_node_log_level: 'INFO' # TRACE DEBUG INFO NOTICE WARN ERROR FATAL NONE
+beacon_node_log_format: 'json' # auto colors nocolors json none
 beacon_node_data_folder: 'shared_{{ beacon_node_network }}_0'
 beacon_node_subscribe_all: false
 beacon_node_doppelganger_detection: true

tasks/service.yml

@@ -26,8 +26,11 @@
       {% if beacon_node_secrets_dir != "" %}
       --secrets-dir="{{ beacon_node_secrets_dir }}"
       {% endif %}
-      --nat=extip:{{ beacon_node_public_address }}
+      {% if beacon_node_repo_branch == "unstable" %}
+      --log-stdout={{ beacon_node_log_format }}
+      {% endif %}
       --log-level={{ beacon_node_log_level }}
+      --nat=extip:{{ beacon_node_public_address }}
       --tcp-port={{ beacon_node_listening_port }}
       --udp-port={{ beacon_node_discovery_port }}
       --max-peers={{ beacon_node_max_peers }}