allow enabling websocket API port

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

defaults/main.yml

@@ -29,6 +29,10 @@ geth_rpc_port: 8545
 geth_rcp_api: 'eth,net,web3,personal,admin'
 # Alternative IPC socket
 geth_ipc_path: '/data/geth.ipc'
+# Web Sockets API
+geth_websocket_enabled: true
+geth_websocket_port: '{{ geth_rpc_port + 1 | int }}'
+geth_websocket_api: 'eth,net,web3,personal,admin'
 # useful for linking containers
 geth_extra_alias: geth
 geth_aliases:

tasks/consul.yml

@@ -45,3 +45,15 @@
             type: script
             script: '{{ geth_sync_check_script }}'
             timeout: '5s'
+      - name: '{{ geth_cont_name }}-ws'
+        tags: '{{ geth_consul_tags + ["websocket"] }}'
+        port: '{{ geth_websocket_port }}'
+        address: '{{ geth_consul_rpc_address }}'
+        meta:
+          env: '{{ env }}'
+          stage: '{{ stage }}'
+        checks:
+          - id: '{{ geth_cont_name }}-ws-status'
+            name: 'Geth WebSocket API'
+            type: 'tcp'
+            tcp: 'localhost:{{ geth_websocket_port }}'

tasks/container.yml

@@ -15,6 +15,7 @@
     ports:
       - '{{ geth_port }}:{{ geth_port }}/tcp'
       - '{{ geth_port }}:{{ geth_port }}/udp'
+      - '{{ geth_websocket_port }}:{{ geth_websocket_port }}/tcp'
       - '{{ geth_rpc_addr }}:{{ geth_rpc_port }}:{{ geth_rpc_port }}'
     labels:
       # These are just for documentation
@@ -65,6 +66,13 @@
       --http.api={{ geth_rcp_api }}
       --ipcpath={{ geth_ipc_path }}
       {% endif %}
+      {% if geth_websocket_enabled %}
+      --ws
+      --ws.addr=0.0.0.0
+      --ws.port={{ geth_websocket_port }}
+      --ws.origins={{ geth_aliases | join(",") }}
+      --ws.api={{ geth_websocket_api }}
+      {% endif %}
     volumes:
       - '{{ geth_cont_vol }}/keys:/keys:rw'
       # WARNING: This assumes /data is mounted, see bootstrap role