raise SecondaryNotConfigured if Geo DB is not found

ee/app/models/geo/tracking_base.rb

@@ -4,6 +4,7 @@ module Geo
   class TrackingBase < ActiveRecord::Base
     self.abstract_class = true
 
+    NOT_CONFIGURED_MSG     = 'Geo secondary database is not configured'.freeze
     SecondaryNotConfigured = Class.new(StandardError)
 
     if ::Gitlab::Geo.geo_database_configured?
@@ -12,13 +13,15 @@ module Geo
 
     def self.connection
       unless ::Gitlab::Geo.geo_database_configured?
-        message = 'Geo secondary database is not configured'
+        message = NOT_CONFIGURED_MSG
         message += "\nIn the GDK root, try running `make geo-setup`" if Rails.env.development?
         raise SecondaryNotConfigured.new(message)
       end
 
       # Don't call super because LoadBalancing::ActiveRecordProxy will intercept it
       retrieve_connection
+    rescue ActiveRecord::NoDatabaseError
+      raise SecondaryNotConfigured.new(NOT_CONFIGURED_MSG)
     end
   end
 end

ee/changelogs/unreleased/bw-sha-attribute-geo-fix.yml

+---
+title: no longer fail when setting up Geo database with GDK
+merge_request: 6680
+author:
+type: fixed

ee/spec/models/geo/tracking_base_spec.rb

+require 'spec_helper'
+
+describe Geo::TrackingBase do
+  it 'raises when Geo database is not configured' do
+    allow(Gitlab::Geo).to receive(:geo_database_configured?).and_return(false)
+
+    expect(described_class).not_to receive(:retrieve_connection)
+    expect { described_class.connection }.to raise_error(Geo::TrackingBase::SecondaryNotConfigured)
+  end
+
+  it 'raises when Geo database is not found' do
+    allow(Gitlab::Geo).to receive(:geo_database_configured?).and_return(true)
+    allow(described_class).to receive(:retrieve_connection).and_raise(ActiveRecord::NoDatabaseError.new('not found'))
+
+    expect(described_class).to receive(:retrieve_connection)
+    expect { described_class.connection }.to raise_error(Geo::TrackingBase::SecondaryNotConfigured)
+  end
+end