feat: add consul server profile

- install/configure consul
- install/configure dnsmasq as dns proxy for consul
- add unkin yumrepo definition as source for consul
- update datavol to ensure the /data volume is mounted

hieradata/roles/infra/storage/consul.yaml

@@ -0,0 +1,22 @@
+---
+profiles::consul::server::members_role: roles::infra::storage::consul
+profiles::consul::server::members_lookup: true
+profiles::consul::server::data_dir: /data/consul
+profiles::consul::server::primary_datacenter: 'au-drw1'
+profiles::consul::server::addresses:
+  dns: "%{::networking.ip}"
+  http: "%{::networking.ip}"
+  https: "%{::networking.ip}"
+  grpc: "%{::networking.ip}"
+  grpc_tls: "%{::networking.ip}"
+profiles::consul::server::ports:
+  dns: 8600
+  http: 8500
+  https: -1
+profiles::consul::server::acl:
+  enabled: true
+  default_policy: 'deny'
+  down_policy: 'extend-cache'
+  tokens:
+    initial_management: "%{alias('profiles::consul::server::acl_tokens_initial_management')}"
+    default: "%{alias('profiles::consul::server::acl_tokens_default')}"