Do not persist errors from Kubernetes calls

app/services/clusters/applications/check_installation_progress_service.rb

@@ -14,8 +14,8 @@ module Clusters
         else
           check_timeout
         end
-      rescue Kubeclient::HttpError => ke
-        app.make_errored!("Kubernetes error: #{ke.message}") unless app.errored?
+      rescue Kubeclient::HttpError
+        app.make_errored!("Kubernetes error") unless app.errored?
       end
 
       private
@@ -27,7 +27,7 @@ module Clusters
       end
 
       def on_failed
-        app.make_errored!(installation_errors || 'Installation silently failed')
+        app.make_errored!('Installation failed')
       ensure
         remove_installation_pod
       end

app/services/clusters/applications/install_service.rb

@@ -12,10 +12,10 @@ module Clusters
 
           ClusterWaitForAppInstallationWorker.perform_in(
             ClusterWaitForAppInstallationWorker::INTERVAL, app.name, app.id)
-        rescue Kubeclient::HttpError => ke
-          app.make_errored!("Kubernetes error: #{ke.message}")
-        rescue StandardError => e
-          app.make_errored!("Can't start installation process. #{e.message}")
+        rescue Kubeclient::HttpError
+          app.make_errored!("Kubernetes error.")
+        rescue StandardError
+          app.make_errored!("Can't start installation process.")
         end
       end
     end

spec/services/clusters/applications/check_installation_progress_service_spec.rb

@@ -82,7 +82,7 @@ describe Clusters::Applications::CheckInstallationProgressService do
         service.execute
 
         expect(application).to be_errored
-        expect(application.status_reason).to eq(errors)
+        expect(application.status_reason).to eq("Installation failed")
       end
     end
 

spec/services/clusters/applications/install_service_spec.rb

@@ -42,7 +42,7 @@ describe Clusters::Applications::InstallService do
         service.execute
 
         expect(application).to be_errored
-        expect(application.status_reason).to match(/kubernetes error:/i)
+        expect(application.status_reason).to match('Kubernetes error.')
       end
     end