Remove unused ProcessAlertWorker

Changelog: changed

app/workers/all_queues.yml

@@ -1078,15 +1078,6 @@
   :weight: 2
   :idempotent:
   :tags: []
-- :name: incident_management:incident_management_process_alert
-  :worker_name: IncidentManagement::ProcessAlertWorker
-  :feature_category: :incident_management
-  :has_external_dependencies:
-  :urgency: :low
-  :resource_boundary: :unknown
-  :weight: 2
-  :idempotent:
-  :tags: []
 - :name: incident_management:incident_management_process_alert_worker_v2
   :worker_name: IncidentManagement::ProcessAlertWorkerV2
   :feature_category: :incident_management

app/workers/incident_management/process_alert_worker.rb

-# frozen_string_literal: true
-
-module IncidentManagement
-  class ProcessAlertWorker # rubocop:disable Scalability/IdempotentWorker
-    include ApplicationWorker
-
-    sidekiq_options retry: 3
-
-    queue_namespace :incident_management
-    feature_category :incident_management
-
-    # `project_id` and `alert_payload` are deprecated and can be removed
-    # starting from 14.0 release
-    # https://gitlab.com/gitlab-org/gitlab/-/issues/224500
-    #
-    # This worker is not scheduled anymore since
-    # https://gitlab.com/gitlab-org/gitlab/-/merge_requests/60285
-    # and will be removed completely via
-    # https://gitlab.com/gitlab-org/gitlab/-/issues/224500
-    # in 14.0.
-    def perform(_project_id = nil, _alert_payload = nil, alert_id = nil)
-      return unless alert_id
-
-      alert = find_alert(alert_id)
-      return unless alert
-
-      result = create_issue_for(alert)
-      return if result.success?
-
-      log_warning(alert, result)
-    end
-
-    private
-
-    def find_alert(alert_id)
-      AlertManagement::Alert.find_by_id(alert_id)
-    end
-
-    def create_issue_for(alert)
-      AlertManagement::CreateAlertIssueService
-        .new(alert, User.alert_bot)
-        .execute
-    end
-
-    def log_warning(alert, result)
-      issue_id = result.payload[:issue]&.id
-
-      Gitlab::AppLogger.warn(
-        message: 'Cannot process an Incident',
-        issue_id: issue_id,
-        alert_id: alert.id,
-        errors: result.message
-      )
-    end
-  end
-end

spec/workers/every_sidekiq_worker_spec.rb

@@ -306,7 +306,6 @@ RSpec.describe 'Every Sidekiq worker' do
         'IncidentManagement::OncallRotations::PersistAllRotationsShiftsJob' => 3,
         'IncidentManagement::OncallRotations::PersistShiftsJob' => 3,
         'IncidentManagement::PagerDuty::ProcessIncidentWorker' => 3,
-        'IncidentManagement::ProcessAlertWorker' => 3,
         'IncidentManagement::ProcessPrometheusAlertWorker' => 3,
         'InvalidGpgSignatureUpdateWorker' => 3,
         'IrkerWorker' => 3,

spec/workers/incident_management/process_alert_worker_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe IncidentManagement::ProcessAlertWorker do
-  let_it_be(:project) { create(:project) }
-  let_it_be(:settings) { create(:project_incident_management_setting, project: project, create_issue: true) }
-
-  describe '#perform' do
-    let_it_be(:started_at) { Time.now.rfc3339 }
-    let_it_be(:payload) { { 'title' => 'title', 'start_time' => started_at } }
-    let_it_be(:alert) { create(:alert_management_alert, project: project, payload: payload, started_at: started_at) }
-
-    let(:created_issue) { Issue.last! }
-
-    subject { described_class.new.perform(nil, nil, alert.id) }
-
-    before do
-      allow(Gitlab::AppLogger).to receive(:warn).and_call_original
-
-      allow(AlertManagement::CreateAlertIssueService)
-        .to receive(:new).with(alert, User.alert_bot)
-        .and_call_original
-    end
-
-    shared_examples 'creates issue successfully' do
-      it 'creates an issue' do
-        expect(AlertManagement::CreateAlertIssueService)
-          .to receive(:new).with(alert, User.alert_bot)
-
-        expect { subject }.to change { Issue.count }.by(1)
-      end
-
-      it 'updates AlertManagement::Alert#issue_id' do
-        subject
-
-        expect(alert.reload.issue_id).to eq(created_issue.id)
-      end
-
-      it 'does not write a warning to log' do
-        subject
-
-        expect(Gitlab::AppLogger).not_to have_received(:warn)
-      end
-    end
-
-    context 'with valid alert' do
-      it_behaves_like 'creates issue successfully'
-
-      context 'when alert cannot be updated' do
-        let_it_be(:alert) { create(:alert_management_alert, :with_validation_errors, project: project, payload: payload) }
-
-        it 'updates AlertManagement::Alert#issue_id' do
-          expect { subject }.not_to change { alert.reload.issue_id }
-        end
-
-        it 'logs a warning' do
-          subject
-
-          expect(Gitlab::AppLogger).to have_received(:warn).with(
-            message: 'Cannot process an Incident',
-            issue_id: created_issue.id,
-            alert_id: alert.id,
-            errors: 'Hosts hosts array is over 255 chars'
-          )
-        end
-      end
-
-      context 'prometheus alert' do
-        let_it_be(:alert) { create(:alert_management_alert, :prometheus, project: project, started_at: started_at) }
-
-        it_behaves_like 'creates issue successfully'
-      end
-    end
-
-    context 'with invalid alert' do
-      let(:invalid_alert_id) { non_existing_record_id }
-
-      subject { described_class.new.perform(nil, nil, invalid_alert_id) }
-
-      it 'does not create issues' do
-        expect(AlertManagement::CreateAlertIssueService).not_to receive(:new)
-
-        expect { subject }.not_to change { Issue.count }
-      end
-    end
-  end
-end