add flat for enabling metrics

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

defaults/main.yml

@@ -46,6 +46,9 @@ geth_v5disc_enabled: true
 geth_trusted_peers: []
 geth_trusted_peers_file: '{{ geth_data_path }}/trusted-nodes.json'
 
+# Enable metrics
+geth_metrics_enabled: true
+
 # Mining settings
 geth_miner_enabled: false
 geth_miner_threads: '{{ ansible_processor_vcpus }}'

tasks/container.yml

@@ -40,6 +40,9 @@
       --shh 
       --shh.pow={{ geth_whisper_pow }}
       {% endif %}
+      {% if geth_metrics_enabled %}
+      --metrics
+      {% endif %}
       --verbosity={{ geth_log_level_id }} 
       --cache={{ geth_cache }}
       --maxpeers={{ geth_max_peers }}