Fix reverse proxy to cockpit dashboard

containers/traefik/templates/conf/cockpit.yml.j2

@@ -1,20 +1,15 @@
 http:
   routers:
     cockpit:
-      rule: "Host(`{{ vault_domain }}`) && (PathPrefix(`/cockpit/`) || Path(`/cockpit`))"
+      rule: "Host(`{{ vault_domain }}`) && (PathPrefix(`/admin/`) || Path(`/admin`))"
       entryPoints: https
       middlewares:
-        - force-trailing-slash
         - drop-xforwarded-proto
       service: cockpit
       tls:
         certresolver: wildcard
 
   middlewares:
-    cockpit-stripprefix:
-      stripPrefix:
-        prefixes:
-          - "/cockpit"
     drop-xforwarded-proto:
       headers:
         customrequestheaders:
@@ -25,8 +20,8 @@ http:
       loadBalancer:
         serversTransport: nocertverify
         servers:
-          - url: "https://{{ vault_domain }}:9090"
+          - url: "https://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:9090/admin/"
 
   serversTransports:
     nocertverify:
-      insecureSkipVerify: true
+      insecureSkipVerify: true

roles/cockpit/templates/cockpit.conf.j2

@@ -1,3 +1,4 @@
 [WebService]
-Origins = http://{{ inventory_hostname }} ws://{{ inventory_hostname }} https://{{ inventory_hostname }} wss://{{ inventory_hostname }} http://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:9090 ws://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:9090 https://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:9090 wss://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:9090
+Origins = https://{{ inventory_hostname }} wss://{{ inventory_hostname }}
 ProtocolHeader = X-Forwarded-Proto
+UrlRoot=/admin