Add more details to Geo health check status message

app/assets/stylesheets/pages/geo_nodes.scss

@@ -32,6 +32,7 @@
 .geo-health {
   display: inline-block;
   margin-top: 5px;
+  white-space: pre-wrap;
 }
 
 .node-badge {

app/services/geo/node_status_service.rb

@@ -22,7 +22,16 @@ module Geo
           if response.success?
             response.parsed_response.values_at(*KEYS)
           else
-            ["Could not connect to Geo node - HTTP Status Code: #{response.code}"]
+            message = "Could not connect to Geo node - HTTP Status Code: #{response.code} #{response.message}"
+            payload = response.parsed_response
+            details =
+              if payload.is_a?(Hash)
+                payload['message']
+              else
+                payload
+              end
+
+            Array([message, details].compact.join("\n"))
           end
         rescue HTTParty::Error, Timeout::Error, SocketError, Errno::ECONNRESET, Errno::ECONNREFUSED => e
           [e.message]

spec/services/geo/node_status_service_spec.rb

+require 'spec_helper'
+
+describe Geo::NodeStatusService, services: true do
+  let!(:primary)  { create(:geo_node, :primary) }
+  let(:secondary) { create(:geo_node) }
+
+  subject { described_class.new }
+
+  before do
+    allow(described_class).to receive(:current_node) { primary }
+  end
+
+  describe '#call' do
+    it 'parses a 401 response' do
+      request = double(success?: false,
+                       code: 401,
+                       message: 'Unauthorized',
+                       parsed_response: { 'message' => 'Test' } )
+      allow(described_class).to receive(:get).and_return(request)
+
+      status = subject.call(secondary)
+
+      expect(status.health).to eq("Could not connect to Geo node - HTTP Status Code: 401 Unauthorized\nTest")
+    end
+
+    it 'parses a 200 response' do
+      data = { health: 'OK',
+               repositories_count: 10,
+               repositories_synced_count: 1,
+               repositories_failed_count: 2,
+               lfs_objects_count: 100,
+               lfs_objects_synced_count: 50,
+               attachments_count: 30,
+               attachments_synced_count: 30 }
+      request = double(success?: true, parsed_response: data.stringify_keys, code: 200)
+      allow(described_class).to receive(:get).and_return(request)
+
+      status = subject.call(secondary)
+
+      expect(status).to have_attributes(data)
+    end
+  end
+end