Add some extra fields to Geo API node and status

- Add current attribute to GeoNode entity
- Add missing_oauth_application to GeoNodeStatus entity

Related to gitlab-org/gitlab-ee#4268

changelogs/unreleased-ee/tc-geo-backend-vue-admin.yml

+---
+title: Add some extra fields to Geo API node and status
+merge_request: 3858
+author:
+type: added

doc/api/geo_nodes.md

@@ -22,6 +22,7 @@ Example response:
     "url": "https://primary.example.com/",
     "primary": true,
     "enabled": true,
+    "current": true,
     "files_max_capacity": 10,
     "repos_max_capacity": 25,
     "clone_protocol": "http"
@@ -31,6 +32,7 @@ Example response:
     "url": "https://secondary.example.com/",
     "primary": false,
     "enabled": true,
+    "current": false,
     "files_max_capacity": 10,
     "repos_max_capacity": 25,
     "clone_protocol": "http"
@@ -56,6 +58,7 @@ Example response:
   "url": "https://primary.example.com/",
   "primary": true,
   "enabled": true,
+  "current": true,
   "files_max_capacity": 10,
   "repos_max_capacity": 25,
   "clone_protocol": "http"
@@ -80,6 +83,8 @@ Example response:
     "geo_node_id": 2,
     "healthy": true,
     "health": "Healthy",
+    "health_status": "Healthy",
+    "missing_oauth_application": false,
     "attachments_count": 1,
     "attachments_synced_count": 1,
     "attachments_failed_count": 0,
@@ -125,6 +130,8 @@ Example response:
   "geo_node_id": 2,
   "healthy": true,
   "health": "Healthy",
+  "health_status": "Healthy",
+  "missing_oauth_application": false,
   "attachments_count": 1,
   "attachments_synced_count": 1,
   "attachments_failed_count": 0,

ee/app/serializers/geo_node_status_entity.rb

@@ -8,6 +8,7 @@ class GeoNodeStatusEntity < Grape::Entity
     node.healthy? ? 'Healthy' : node.health
   end
   expose :health_status
+  expose :missing_oauth_application, as: :missing_oauth_application
 
   expose :attachments_count
   expose :attachments_synced_count
@@ -64,6 +65,10 @@ class GeoNodeStatusEntity < Grape::Entity
     object.geo_node.namespaces
   end
 
+  def missing_oauth_application
+    object.geo_node.missing_oauth_application?
+  end
+
   def version
     Gitlab::VERSION
   end

lib/api/entities.rb

@@ -1106,6 +1106,7 @@ module API
       expose :url
       expose :primary?, as: :primary
       expose :enabled
+      expose :current?, as: :current
       expose :files_max_capacity
       expose :repos_max_capacity
 

spec/fixtures/api/schemas/geo_node.json

@@ -5,6 +5,7 @@
     "url",
     "primary",
     "enabled",
+    "current",
     "files_max_capacity",
     "repos_max_capacity",
     "clone_protocol"
@@ -14,6 +15,7 @@
     "url": { "type": ["string", "null"] },
     "primary": { "type": "boolean" },
     "enabled": { "type": "boolean" },
+    "current": { "type": "boolean" },
     "files_max_capacity": { "type": "integer" },
     "repos_max_capacity": { "type": "integer" },
     "clone_protocol": { "type": ["string"] }

spec/fixtures/api/schemas/geo_node_status.json

@@ -5,6 +5,7 @@
     "healthy",
     "health",
     "health_status",
+    "missing_oauth_application",
     "attachments_count",
     "attachments_failed_count",
     "attachments_synced_count",
@@ -35,6 +36,7 @@
     "healthy": { "type": "boolean" },
     "health": { "type": ["string", "null"] },
     "health_status": { "type": "string" },
+    "missing_oauth_application": { "type": "boolean" },
     "attachments_count": { "type": "integer" },
     "attachments_failed_count": { "type": "integer" },
     "attachments_synced_count": { "type": "integer" },