ui: Customize link for an Upstream in a different namespace as the ingress gateway (#8006)

* Add configuration default value for findGatewayBySlug

* Customize link for an Upstream in a different nspace as the ingress gateway

ui-v2/app/services/repository/service.js

@@ -76,7 +76,7 @@ export default RepositoryService.extend({
       throw e;
     });
   },
-  findGatewayBySlug: function(slug, dc, nspace, configuration) {
+  findGatewayBySlug: function(slug, dc, nspace, configuration = {}) {
     const query = {
       dc: dc,
       ns: nspace,

ui-v2/app/templates/dc/services/show/upstreams.hbs

@@ -8,9 +8,17 @@
     {{#let item.Service.Namespace as |nspace|}}
       <ListCollection @items={{gatewayServices}} class="consul-upstream-list" as |item index|>
       {{#if (service/exists item)}}
+      {{#let item.Namespace as |gatewayNspace|}}
+        {{#if (and (env 'CONSUL_NSPACES_ENABLED') (not-eq gatewayNspace nspace))}}
+          <a data-test-service-name href={{href-to 'nspace.dc.services.show' (concat '~' gatewayNspace) dc item.Name}}>
+            {{item.Name}}
+          </a>
+        {{else}}
           <a data-test-service-name href={{href-to 'dc.services.show' item.Name}}>
             {{item.Name}}
           </a>
+        {{/if}}
+      {{/let}}
       {{else}}
         <p data-test-service-name>
           {{item.Name}}