Merge branch 'fix/project-export-error' into 'master'

Add more debug info to import/export and memory killer

This should help debug https://gitlab.com/gitlab-org/gitlab-ce/issues/19124 further

See merge request !5108
(cherry picked from commit b73da89591877e03ba9be7c415e30c3f07997373)

5 files changed, 10 insertions, 3 deletions

diff --git a/CHANGELOG b/CHANGELOG
index b8e872f767a..e6b86390a0d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.9.5
+  - Add more debug info to import/export and memory killer. !5108
   - Fixed avatar alignment in new MR view. !5095
   - Fix diff comments not showing up in activity feed. !5069
   - Add index on both Award Emoji user and name. !5061
diff --git a/app/services/projects/import_export/export_service.rb b/app/services/projects/import_export/export_service.rb
index 80c7193efcb..771fa8c2aa9 100644
--- a/app/services/projects/import_export/export_service.rb
+++ b/app/services/projects/import_export/export_service.rb
@@ -39,6 +39,8 @@ module Projects
       end
 
       def cleanup_and_notify
+        Rails.logger.error("Import/Export - Project #{project.name} with ID: #{project.id} export error - #{@shared.errors.join(', ')}")
+
         FileUtils.rm_rf(@shared.export_path)
 
         notify_error
@@ -46,6 +48,8 @@ module Projects
       end
 
       def notify_success
+        Rails.logger.info("Import/Export - Project #{project.name} with ID: #{project.id} successfully exported")
+
         notification_service.project_exported(@project, @current_user)
       end
 
diff --git a/lib/gitlab/import_export/command_line_util.rb b/lib/gitlab/import_export/command_line_util.rb
index 78664f076eb..62c736451b7 100644
--- a/lib/gitlab/import_export/command_line_util.rb
+++ b/lib/gitlab/import_export/command_line_util.rb
@@ -28,7 +28,8 @@ module Gitlab
       end
 
       def execute(cmd)
-        _output, status = Gitlab::Popen.popen(cmd)
+        output, status = Gitlab::Popen.popen(cmd)
+        @shared.error(output.to_s) unless status.zero?
         status.zero?
       end
 
diff --git a/lib/gitlab/import_export/saver.rb b/lib/gitlab/import_export/saver.rb
index f38229c6c59..dd4fdf37309 100644
--- a/lib/gitlab/import_export/saver.rb
+++ b/lib/gitlab/import_export/saver.rb
@@ -17,6 +17,7 @@ module Gitlab
           Rails.logger.info("Saved project export #{archive_file}")
           archive_file
         else
+          @shared.error("Unable to save #{archive_file} into #{@shared.export_path}")
           false
         end
       rescue => e
diff --git a/lib/gitlab/sidekiq_middleware/memory_killer.rb b/lib/gitlab/sidekiq_middleware/memory_killer.rb
index 4831c46c4be..104280f520a 100644
--- a/lib/gitlab/sidekiq_middleware/memory_killer.rb
+++ b/lib/gitlab/sidekiq_middleware/memory_killer.rb
@@ -29,11 +29,11 @@ module Gitlab
             "in #{GRACE_TIME} seconds"
           sleep(GRACE_TIME)
 
-          Sidekiq.logger.warn "sending SIGTERM to PID #{Process.pid}"
+          Sidekiq.logger.warn "sending SIGTERM to PID #{Process.pid} - Worker #{worker.class} - JID-#{job['jid']}"
           Process.kill('SIGTERM', Process.pid)
 
           Sidekiq.logger.warn "waiting #{SHUTDOWN_WAIT} seconds before sending "\
-            "#{SHUTDOWN_SIGNAL} to PID #{Process.pid}"
+            "#{SHUTDOWN_SIGNAL} to PID #{Process.pid} - Worker #{worker.class} - JID-#{job['jid']}"
           sleep(SHUTDOWN_WAIT)
 
           Sidekiq.logger.warn "sending #{SHUTDOWN_SIGNAL} to PID #{Process.pid} - Worker #{worker.class} - JID-#{job['jid']}"