Does not update Geo node if running on a primary site

Changelog: changed
EE: true

ee/lib/gitlab/geo/geo_tasks.rb

@@ -22,14 +22,17 @@ module Gitlab
           primary_node = GeoNode.primary_node
           current_node = GeoNode.current_node
 
-          abort 'The primary is not set' unless primary_node
+          abort 'The primary Geo site is not set' unless primary_node
           abort 'Current node is not identified' unless current_node
-          abort 'This is not a secondary node' unless current_node.secondary?
 
-          primary_node.destroy
-          current_node.update!(primary: true, enabled: true)
+          if current_node.primary?
+            $stdout.puts "#{current_node.url} is already the primary Geo site".color(:green)
+          else
+            primary_node.destroy
+            current_node.update!(primary: true, enabled: true)
 
-          $stdout.puts "#{current_node.url} is now the primary Geo node".color(:green)
+            $stdout.puts "#{current_node.url} is now the primary Geo site".color(:green)
+          end
         end
       end
 

ee/spec/lib/gitlab/geo/geo_tasks_spec.rb

@@ -35,7 +35,7 @@ RSpec.describe Gitlab::Geo::GeoTasks do
     it 'aborts if the primary node is not set' do
       primary.update_column(:primary, false)
 
-      expect(subject).to receive(:abort).with('The primary is not set').and_raise('aborted')
+      expect(subject).to receive(:abort).with('The primary Geo site is not set').and_raise('aborted')
 
       expect { subject.set_secondary_as_primary }.to raise_error('aborted')
     end
@@ -48,19 +48,21 @@ RSpec.describe Gitlab::Geo::GeoTasks do
       expect { subject.set_secondary_as_primary }.to raise_error('aborted')
     end
 
-    it 'aborts if run on a node that is not a secondary' do
+    it 'does nothing if run on a node that is not a secondary' do
       primary.update_column(:primary, false)
       secondary.update!(primary: true)
 
-      expect(subject).to receive(:abort).with('This is not a secondary node').and_raise('aborted')
+      expect(subject).not_to receive(:abort)
 
-      expect { subject.set_secondary_as_primary }.to raise_error('aborted')
+      expect { subject.set_secondary_as_primary }.to output(/#{secondary.url} is already the primary Geo site/).to_stdout
+      expect(secondary.reload).to be_primary
+      expect(primary.reload).to be_secondary
     end
 
     it 'sets the secondary as the primary node' do
       expect(subject).not_to receive(:abort)
 
-      expect { subject.set_secondary_as_primary }.to output(/#{secondary.url} is now the primary Geo node/).to_stdout
+      expect { subject.set_secondary_as_primary }.to output(/#{secondary.url} is now the primary Geo site/).to_stdout
       expect(secondary.reload).to be_primary
     end
 
@@ -69,7 +71,7 @@ RSpec.describe Gitlab::Geo::GeoTasks do
 
       expect(subject).not_to receive(:abort)
 
-      expect { subject.set_secondary_as_primary }.to output(/#{secondary.url} is now the primary Geo node/).to_stdout
+      expect { subject.set_secondary_as_primary }.to output(/#{secondary.url} is now the primary Geo site/).to_stdout
       expect(secondary.reload).to be_primary
       expect(secondary.reload).to be_enabled
     end