tell geth what vhost to expect from clients

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

ansible/roles/faucet/defaults/main.yml

@@ -21,6 +21,7 @@ faucet_geth_image: 'ethereum/client-go:{{ faucet_geth_tag }}'
 faucet_geth_name: 'faucet-geth'
 faucet_geth_vol: '/docker/{{ faucet_geth_name }}'
 faucet_geth_rpc_port: 8545
+faucet_geth_alias: 'geth'
 
 # generic container settings
 cont_state: started

ansible/roles/faucet/tasks/faucet.yml

@@ -13,9 +13,10 @@
     labels:
       com.centurylinklabs.watchtower.enable: 'true'
     links:
-      - '{{ faucet_geth_name }}:geth'
+      - '{{ faucet_geth_name }}:{{ faucet_geth_alias }}'
     ports:
       - '127.0.0.1:{{ faucet_http_port | mandatory }}:{{ faucet_http_port }}'
     command: |
       -network={{ faucet_network | mandatory }}
+      -geth=http://{{ faucet_geth_alias }}:{{ faucet_geth_rpc_port }}/
       -acc_pass={{ faucet_account_pass | mandatory }}

ansible/roles/faucet/tasks/geth.yml

@@ -23,10 +23,11 @@
       --syncmode=light
       --rpc
       --rpcapi=eth
+      --rpcvhosts={{ faucet_geth_alias }}
       --rpcaddr=0.0.0.0
       --rpcport={{ faucet_geth_rpc_port }}
       --v5disc
-    exposed_ports:
-      - '{{ faucet_geth_rpc_port }}'
+    ports:
+      - '127.0.0.1:{{ faucet_geth_rpc_port }}:{{ faucet_geth_rpc_port }}'
     volumes:
       - '{{ faucet_geth_vol }}/data:/date'