Merge branch '3334-check-when-geo-nodes-exists-geo' into 'master'

check if the GeoNode table exists before checking its state

Closes #3334

See merge request gitlab-org/gitlab-ee!3298

lib/gitlab/geo.rb

@@ -115,9 +115,9 @@ module Gitlab
     end
 
     def self.configure_cron_jobs!
-      if self.primary?
+      if self.connected? && self.primary?
         self.configure_primary_jobs!
-      elsif self.secondary?
+      elsif self.connected? && self.secondary?
         self.configure_secondary_jobs!
       else
         self.enable_all_cron_jobs!

lib/gitlab/mirror.rb

@@ -18,7 +18,7 @@ module Gitlab
     class << self
       def configure_cron_job!
         destroy_cron_job!
-        return if Gitlab::Geo.secondary?
+        return if Gitlab::Geo.connected? && Gitlab::Geo.secondary?
 
         Sidekiq::Cron::Job.create(
           name: 'update_all_mirrors_worker',

spec/lib/gitlab/mirror_spec.rb

@@ -37,6 +37,7 @@ describe Gitlab::Mirror do
 
           expect(Sidekiq::Cron::Job.find("update_all_mirrors_worker")).to be_enabled
 
+          allow(Gitlab::Geo).to receive(:connected?).and_return(true)
           allow(Gitlab::Geo).to receive(:secondary?).and_return(true)
           described_class.configure_cron_job!