consul: allow for customizing tags, add scope

Without scope we can't select which metrics we want to collect.
This is especially important for `eth2.prod` which has it's own
Prometheus instance and its metrics should not go to our main cluster.

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

defaults/main.yml

@@ -14,6 +14,18 @@ geth_expo_cont_name: '{{ geth_expo_service_name }}-exporter'
 geth_expo_cont_addr: '0.0.0.0'
 geth_expo_cont_port: 9200
 
+# Consul config
+geth_expo_consul_service_name: 'geth-exporter'
+geth_expo_consul_scope: 'main'
+geth_expo_consul_default_tags:
+  - 'geth'
+  - 'exporter'
+  - 'metrics'
+  - 'scope:{{ geth_expo_consul_scope }}'
+  - '{{ env }}.{{ stage }}'
+geth_expo_consul_extra_tags: []
+geth_expo_consul_tags: '{{ geth_expo_consul_default_tags + geth_expo_consul_extra_tags }}'
+
 # general container management
 compose_recreate: 'smart'
 compose_state: 'present'

tasks/consul.yml

@@ -5,15 +5,15 @@
     consul_config_name: '{{ geth_expo_cont_name }}'
     consul_services:
       # Prometheus config expects this service name
-      - name: 'geth-exporter'
-        id: '{{ geth_expo_cont_name }}'
+      - id:   '{{ geth_expo_cont_name }}'
+        name: '{{ geth_expo_consul_service_name }}'
+        tags: '{{ geth_expo_consul_tags }}'
         port: '{{ geth_expo_cont_port }}'
         address: '{{ ansible_local.wireguard.vpn_ip }}'
-        tags: ['{{ geth_expo_cont_name }}', 'metrics', 'geth']
         meta:
           container: '{{ geth_expo_source_cont_name | mandatory }}'
         checks:
           - id: '{{ geth_expo_cont_name }}-health'
-            name: 'geth-exporter healthcheck'
-            type: http
+            name: '{{ geth_expo_consul_service_name }} healthcheck'
+            type: 'http'
             http: 'http://localhost:{{ geth_expo_cont_port }}/health'