The job service dashboard is a web-based interface that allows you to view and manage jobs that are running in the Harbor job service. It is available at https://<harbor_url>/harbor/job-service-dashboard/. You can use the dashboard to view the status of job queues, the schedule of jobs, and the status of the job service pools and workers. you can also use it to stop pending or running jobs, or pause or resume the job service queue.

View Job Service Queue Status

1. Log in to the Harbor Web interface with an account that has Harbor system administrator privileges.
2. Expand Administration, and select Job Service Dashboard.

In the job service dashboard, you can view the status of the job service queue, the job service pools, and the job service workers.

The following table describes the information that is displayed in the dashboard.

Field	Description	Actions
Pending Jobs In Queues	The job service queue is a FIFO queue that stores jobs to be executed. Total displays the count of queue type, and the top 2 queues	Stop All: stop all jobs in all queues
Schedules	The job service pool is a pool of workers that execute jobs, display the total count of schedules and show its status	Pause All: Pause all running job schedule, Resume All: Resume all paused job schedule
Workers	The job service worker is a goroutine that executes jobs, it displays the free/total workers	Free All: stop the execution of running jobs to free all workers

View Job Queue Details

In the job service dashboard, click the Job Queues tab.

The Job Queues tab displays the detail of job queues. The following table describes the information that is displayed in the Job Queues tab.

Field	Description
Job Type	The name of the job queue.
Pending Count	The number of jobs that are waiting to be executed in the queue.
Latency	The waiting time of the current queue, it indicate how long tasks in the queue have already waited.
Paused	The paused status of job queue.

Actions for each job queue:

• Click the Stop button to stop all jobs in the queue. it will remove all jobs from the queue and mark their status as “Stopped”.
• Click the Pause button to pause the job queue.
• Click the Resume button to resume the job queue.

Job Types

Type Name	Description
GARBAGE_COLLECTION	Job queue for garbage collection.
IMAGE_SCAN	Job queue for image scan.
P2P_PREHEAT	Job queue for p2p preheat related task.
PURGE_AUDIT	Job queue for purge audit log.
REPLICATION	Job queue for image replication.
RETENTION	Job queue for tag retention.
SCAN_DATA_EXPORT	Job queue for export CVE data.
SCHEDULER	Job queue for all periodical tasks, if it is paused, all periodical schedule will not be triggered.
SLACK	Job queue for sending slack message.
SYSTEM_ARTIFACT_CLEANUP	Job queue for cleanup system artifact, used by export CVE feature.
WEBHOOK	Job queue for web hook task.

NOTE The Pause and Resume operation just stop the worker from consuming jobs in the job queue, it does not stop the job task submission, neither change job status in the job queue.

View Schedule Details

In the job service dashboard, click the Schedules tab.

The Schedules tab displays the details of the job schedules. The following table describes the information that is displayed in the Schedules tab.

Field	Description
ID	The ID of the job schedule.
Vendor Type	The vendor type of the job service schedule.
Vendor ID	The vendor id of the job schedule. empty if there is no vendor id.
Cron	The cron expression of the schedule.
Create Time	The created time of the job schedule.

View Worker Details

In the job service dashboard, click the Workers tab.

The worker pools table displays the details of the worker pools. The following table describes the information that is displayed in the Workers tab. When you click a worker pool in the table, workes of this pool is displayed in the worker’s table.

Field	Description
Worker Pool ID	The ID of the worker pool.
PID	The process the worker pool.
Start At	The start time of the worker pool.
Heartbeat At	The heartbeat time of the worker pool.
Concurrency	The concurrency of worker pool.

The worker’s table displays the details of the workers. The following table describes the information that is displayed in the Workers tab.

Field	Description
Worker ID	The ID of the worker.
Job Name	The job name of the current job that the worker is executing.
Job ID	The ID of the current job that the worker is executing.
Started At	The start time of the current job that the worker is executing.
Checked In At	The check in time of the current job that the worker is executing.

Actions for workers:

– Click the Free button to stop the execution of the current job that the worker is executing to free the worker. The stop operation takes several minutes to complete, it depends on the job type.

Steps to Withdraw an Execution

Because an execution might contains one or many tasks, some of then might be in pending state, some of them might be in running state. Stop running tasks might not stop whole the execution. You can use the following steps to stop the overall execution.

1. Go to the Harbor job service dashboard with an account that has Harbor system administrator privileges.
2. Click the Job Queues tab, and click the Stop button to stop all jobs in the queue.
3. Click the Workers tab, and click the Free button to stop the execution of the current job which the worker is working on to free the worker.
4. Wait and check the execution status to become Stopped.

Sometimes, you don’t want to remove this scheduled task from job queue. To let workers to work on other types of jobs, you can pause/resume the job queue.

1. Go to the Harbor job service dashboard with an account that has Harbor system administrator privileges.
2. Click the Job Queues tab, and click the Pause button to pause all jobs in the queue.
3. Wait the job service workers to work on other type of jobs.
4. Click the Resume button to resume the job queue.