Jobs events - Amazon IoT Core
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Jobs events

The Amazon IoT Jobs service publishes to reserved topics on the MQTT protocol when jobs are pending, completed, or canceled, and when a device reports success or failure when running a job. Devices or management and monitoring applications can track the status of jobs by subscribing to these topics.

How to enable jobs events

Response messages from the Amazon IoT Jobs service don't pass through the message broker and they can't be subscribed to by other clients or rules. To subscribe to job activity-related messages, use the notify and notify-next topics. For information about jobs topics, see Job topics.

To be notified of jobs updates, enable these jobs events by using the Amazon Web Services Management Console, or by using the API or CLI. For more information, see Enable events for Amazon IoT.

How jobs events work

Because it can take some time to cancel or delete a job, two messages are sent to indicate the start and end of a request. For example, when a cancellation request starts, a message is sent to the $aws/events/job/jobID/cancellation_in_progress topic. When the cancellation request is complete, a message is sent to the $aws/events/job/jobID/canceled topic.

A similar process occurs for a job deletion request. Management and monitoring applications can subscribe to these topics to keep track of the status of jobs. For more information about publishing and subscribing to MQTT topics, see Device communication protocols.

Job event types

The following shows the different types of jobs events:

Job Completed/Canceled/Deleted

The Amazon IoT Jobs service publishes a message on an MQTT topic when a job is completed, canceled, deleted, or when cancellation or deletion are in progress:

  • $aws/events/job/jobID/completed

  • $aws/events/job/jobID/canceled

  • $aws/events/job/jobID/deleted

  • $aws/events/job/jobID/cancellation_in_progress

  • $aws/events/job/jobID/deletion_in_progress

The completed message contains the following example payload:

{ "eventType": "JOB", "eventId": "7364ffd1-8b65-4824-85d5-6c14686c97c6", "timestamp": 1234567890, "operation": "completed", "jobId": "27450507-bf6f-4012-92af-bb8a1c8c4484", "status": "COMPLETED", "targetSelection": "SNAPSHOT|CONTINUOUS", "targets": [ "arn:aws:iot:us-east-1:123456789012:thing/a39f6f91-70cf-4bd2-a381-9c66df1a80d0", "arn:aws:iot:us-east-1:123456789012:thinggroup/2fc4c0a4-6e45-4525-a238-0fe8d3dd21bb" ], "description": "My Job Description", "completedAt": 1234567890123, "createdAt": 1234567890123, "lastUpdatedAt": 1234567890123, "jobProcessDetails": { "numberOfCanceledThings": 0, "numberOfRejectedThings": 0, "numberOfFailedThings": 0, "numberOfRemovedThings": 0, "numberOfSucceededThings": 3 } }

The canceled message contains the following example payload.

{ "eventType": "JOB", "eventId": "568d2ade-2e9c-46e6-a115-18afa1286b06", "timestamp": 1234567890, "operation": "canceled", "jobId": "4d2a531a-da2e-47bb-8b9e-ff5adcd53ef0", "status": "CANCELED", "targetSelection": "SNAPSHOT|CONTINUOUS", "targets": [ "arn:aws:iot:us-east-1:123456789012:thing/Thing0-947b9c0c-ff10-4a80-b4b3-cd33d0145a0f", "arn:aws:iot:us-east-1:123456789012:thinggroup/ThingGroup1-95c644d5-1621-41a6-9aa5-ad2de581d18f" ], "description": "My job description", "createdAt": 1234567890123, "lastUpdatedAt": 1234567890123 }

The deleted message contains the following example payload.

{ "eventType": "JOB", "eventId": "568d2ade-2e9c-46e6-a115-18afa1286b06", "timestamp": 1234567890, "operation": "deleted", "jobId": "4d2a531a-da2e-47bb-8b9e-ff5adcd53ef0", "status": "DELETED", "targetSelection": "SNAPSHOT|CONTINUOUS", "targets": [ "arn:aws:iot:us-east-1:123456789012:thing/Thing0-947b9c0c-ff10-4a80-b4b3-cd33d0145a0f", "arn:aws:iot:us-east-1:123456789012:thinggroup/ThingGroup1-95c644d5-1621-41a6-9aa5-ad2de581d18f" ], "description": "My job description", "createdAt": 1234567890123, "lastUpdatedAt": 1234567890123, "comment": "Comment for this operation" }

The cancellation_in_progress message contains the following example payload:

{ "eventType": "JOB", "eventId": "568d2ade-2e9c-46e6-a115-18afa1286b06", "timestamp": 1234567890, "operation": "cancellation_in_progress", "jobId": "4d2a531a-da2e-47bb-8b9e-ff5adcd53ef0", "status": "CANCELLATION_IN_PROGRESS", "targetSelection": "SNAPSHOT|CONTINUOUS", "targets": [ "arn:aws:iot:us-east-1:123456789012:thing/Thing0-947b9c0c-ff10-4a80-b4b3-cd33d0145a0f", "arn:aws:iot:us-east-1:123456789012:thinggroup/ThingGroup1-95c644d5-1621-41a6-9aa5-ad2de581d18f" ], "description": "My job description", "createdAt": 1234567890123, "lastUpdatedAt": 1234567890123, "comment": "Comment for this operation" }

The deletion_in_progress message contains the following example payload:

{ "eventType": "JOB", "eventId": "568d2ade-2e9c-46e6-a115-18afa1286b06", "timestamp": 1234567890, "operation": "deletion_in_progress", "jobId": "4d2a531a-da2e-47bb-8b9e-ff5adcd53ef0", "status": "DELETION_IN_PROGRESS", "targetSelection": "SNAPSHOT|CONTINUOUS", "targets": [ "arn:aws:iot:us-east-1:123456789012:thing/Thing0-947b9c0c-ff10-4a80-b4b3-cd33d0145a0f", "arn:aws:iot:us-east-1:123456789012:thinggroup/ThingGroup1-95c644d5-1621-41a6-9aa5-ad2de581d18f" ], "description": "My job description", "createdAt": 1234567890123, "lastUpdatedAt": 1234567890123, "comment": "Comment for this operation" }
Job Execution Terminal Status

The Amazon IoT Jobs service publishes a message when a device updates a job execution to terminal status:

  • $aws/events/jobExecution/jobID/succeeded

  • $aws/events/jobExecution/jobID/failed

  • $aws/events/jobExecution/jobID/rejected

  • $aws/events/jobExecution/jobID/canceled

  • $aws/events/jobExecution/jobID/timed_out

  • $aws/events/jobExecution/jobID/removed

  • $aws/events/jobExecution/jobID/deleted

The message contains the following example payload:

{ "eventType": "JOB_EXECUTION", "eventId": "cca89fa5-8a7f-4ced-8c20-5e653afb3572", "timestamp": 1234567890, "operation": "succeeded|failed|rejected|canceled|removed|timed_out", "jobId": "154b39e5-60b0-48a4-9b73-f6f8dd032d27", "thingArn": "arn:aws:iot:us-east-1:123456789012:myThing/6d639fbc-8f85-4a90-924d-a2867f8366a7", "status": "SUCCEEDED|FAILED|REJECTED|CANCELED|REMOVED|TIMED_OUT", "statusDetails": { "key": "value" } }