add button to configure prometheus integration from cluster page

app/assets/javascripts/clusters/clusters_bundle.js

@@ -32,6 +32,7 @@ export default class Clusters {
       installIngressPath,
       installRunnerPath,
       installPrometheusPath,
+      managePrometheusPath,
       clusterStatus,
       clusterStatusReason,
       helpPath,
@@ -39,6 +40,7 @@ export default class Clusters {
     this.store = new ClustersStore();
     this.store.setHelpPath(helpPath);
+    this.store.setManagePrometheusPath(managePrometheusPath);
     this.store.updateStatus(clusterStatus);
     this.store.updateStatusReason(clusterStatusReason);
     this.service = new ClustersService({
@@ -93,6 +95,7 @@ export default class Clusters {
           props: {
             applications: this.state.applications,
             helpPath: this.state.helpPath,
+            managePrometheusPath: this.state.managePrometheusPath,
           },
         });
       },

app/assets/javascripts/clusters/stores/clusters_store.js

@@ -43,6 +43,10 @@ export default class ClusterStore {
     this.state.helpPath = helpPath;
   }
+  setManagePrometheusPath(managePrometheusPath) {
+    this.state.managePrometheusPath = managePrometheusPath;
+  }
+
   updateStatus(status) {
     this.state.status = status;
   }

app/views/projects/clusters/show.html.haml

@@ -13,7 +13,8 @@
   toggle_status: @cluster.enabled? ? 'true': 'false',
   cluster_status: @cluster.status_name,
   cluster_status_reason: @cluster.status_reason,
-  help_path: help_page_path('user/project/clusters/index.md', anchor: 'installing-applications') } }
+  help_path: help_page_path('user/project/clusters/index.md', anchor: 'installing-applications'),
+  manage_prometheus_path: edit_project_service_path(@cluster.project, 'prometheus') } }
   .js-cluster-application-notice
     .flash-container