Merge branch 'ignore-writing-trace-if-it-already-archived' into 'master'

Disallow updating job status if the job is not running

Closes #46383

See merge request gitlab-org/gitlab-ce!19101

changelogs/unreleased/ignore-writing-trace-if-it-already-archived.yml

+---
+title: Disallow updating job status if the job is not running
+merge_request: 19101
+author:
+type: fixed

lib/api/runner.rb

@@ -123,6 +123,7 @@ module API
       end
       put '/:id' do
         job = authenticate_job!
+        forbidden!('Job is not running') unless job.running?
         job.trace.set(params[:trace]) if params[:trace]
@@ -131,9 +132,9 @@ module API
         case params[:state].to_s
         when 'success'
-          job.success
+          job.success!
         when 'failed'
-          job.drop(params[:failure_reason] || :unknown_failure)
+          job.drop!(params[:failure_reason] || :unknown_failure)
         end
       end

spec/requests/api/runner_spec.rb

@@ -830,6 +830,21 @@ describe API::Runner, :clean_gitlab_redis_shared_state do
         end
       end
+      context 'when job has already been finished' do
+        before do
+          job.trace.set('Job failed')
+          job.drop!(:script_failure)
+        end
+
+        it 'does not update job status and job trace' do
+          update_job(state: 'success', trace: 'BUILD TRACE UPDATED')
+
+          expect(response).to have_gitlab_http_status(403)
+          expect(job.trace.raw).to eq 'Job failed'
+          expect(job).to be_failed
+        end
+      end
+
       def update_job(token = job.token, **params)
         new_params = params.merge(token: token)
         put api("/jobs/#{job.id}"), new_params