add support for custom bootnodes with geth_bootnodes

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

defaults/main.yml

@@ -58,6 +58,9 @@ geth_v5disc_enabled: true
 geth_trusted_peers: []
 geth_trusted_peers_file: '{{ geth_data_path }}/trusted-nodes.json'
 
+# Custom bootnodes
+geth_bootnodes: []
+
 # Enable metrics
 geth_metrics_enabled: true
 

tasks/container.yml

@@ -73,6 +73,9 @@
       --ws.api={{ geth_websocket_api }}
       --ws.origins='{{ geth_websocket_origins }}'
       {% endif %}
+      {% if (geth_bootnodes|length) > 0 %}
+      --bootnodes="{{ geth_bootnodes | join(',') }}"
+      {% endif %}
     volumes:
       - '{{ geth_cont_vol }}/keys:/keys:rw'
       # WARNING: This assumes /data is mounted, see bootstrap role