Note: The DMF protocol uses the term “thing” for a device or in Bosch IoT Rollouts speech “provisioning target”. The terms can be considered as synonyms.

Messages sent to Rollouts (Client -> Rollouts)

THING_CREATED
THING_REMOVED
UPDATE_ATTRIBUTES
UPDATE_ACTION_STATUS
PING
UPDATE_AUTO_CONFIRM

All messages have to be sent to the exchange dmf.exchange.

THING_CREATED

Message to register and update a provisioning target.

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “THING_CREATED”	true
thingId	The ID of the registered provisioning target	String	true
sender	Name of the message sender	String	false
tenant	The tenant this provisioning target belongs to	String	false

Message Properties	Description	Type	Mandatory
content_type	The content type of the payload	String	true
reply_to	Exchange to reply to. The default is sp.direct.exchange which is bound to the sp_direct_queue	String	false

Example headers and payload:

Header	MessageProperties
type=THING_CREATED tenant=tenant123 thingId=abc sender=device	content_type=application/json reply_to (optional) =sp.connector.replyTo

Payload Template (optional):

{
    "name": "String",
    "attributeUpdate": {
        "attributes": {
            "exampleKey1" : "exampleValue1",
            "exampleKey2" : "exampleValue2"
        },
        "mode": "String"
    }
}

The "name" property specifies the name of the thing, which by default is the thing ID. This property is optional.
The "attributeUpdate" property provides the attributes of the thing, for details see UPDATE_ATTRIBUTES message. This property is optional.

THING_REMOVED

Message to request the deletion of a provisioning target.

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “THING_REMOVED”	true
thingId	The ID of the registered provisioning target	String	true
tenant	The tenant this provisioning target belongs to	String	false

Message Properties	Description	Type	Mandatory
content_type	The content type of the payload	String	true

Example headers

Header	MessageProperties
type=THING_REMOVED tenant=tenant123 thingId=abc	content_type=application/json

UPDATE_ATTRIBUTES

Message to update target attributes. This message can be send in response to a REQUEST_ATTRIBUTES_UPDATE event, sent by Bosch IoT Rollouts.
See Messages sent by Bosch IoT Rollouts > REQUEST_ATTRIBUTES_UPDATE

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “EVENT”	true
topic	Topic name identifying the event	Fixed string “UPDATE_ATTRIBUTES”	true
thingId	The ID of the registered thing	String	true
tenant	The tenant this thing belongs to	String	false

Message Properties	Description	Type	Mandatory
content_type	The content type of the payload	String	true

Example headers and payload:

Header	MessageProperties
type=EVENT tenant=tenant123 thingId=abc topic=UPDATE_ATTRIBUTES	content_type=application/json

Payload Template:

{
    "attributes": {
        "exampleKey1" : "exampleValue1",
        "exampleKey2" : "exampleValue2"
    },
    "mode": "String"
}

The "mode" property specifies the update mode that should be applied. This property is optional. Possible mode values:

Value	Description
MERGE	The target attributes specified in the payload are merged into the existing attributes. This is the default mode that is applied if no "mode" property is specified in the payload.
REPLACE	The existing attributes are replaced with the target attributes specified in the payload.
REMOVE	The target attributes specified in the payload are removed from the existing attributes.

UPDATE_ACTION_STATUS

Message to send an action status event to Bosch IoT Rollouts.

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “EVENT”	true
topic	Topic name identifying the event	Fixed string “UPDATE_ACTION_STATUS”	true
tenant	The tenant this thing belongs to	String	false

Message Properties	Description	Type	Mandatory
content_type	The content type of the payload	String	true

Payload Template (the Java representation is ActionUpdateStatus):

{
    "actionId": long,
    "softwareModuleId": long,
    "actionStatus":"String",
    "code": int,
    "message":["String"]
}

When the user consent flow feature has been enabled prior to the start of the action, the "softwareModuleId" field will not be used when handling the message as the confirmation will be per actionId.

Possible actionStatus values:

Value	Description
DOWNLOAD	Device is downloading
DOWNLOADED	Device completed download
RETRIEVED	Device has retrieved the artifact
RUNNING	Update is running
CONFIRMED	User consent for the update has been granted. Applicable only if the user consent flow feature has been enabled prior to the start of the action.
DENIED	User consent for the update has been denied. Applicable only if the user consent flow feature has been enabled prior to the start of the action.
FINISHED	Update process finished successfully
ERROR	Error during update process
WARNING	Warning during update process
CANCELED	Cancel update process successfully
CANCEL_REJECTED	Cancel update process has been rejected

Example header and payload:

Header	MessageProperties
type=EVENT tenant=tenant123 topic=UPDATE_ACTION_STATUS	content_type=application/json

{
  "actionId":137,
  "softwareModuleId":17,
  "actionStatus":"DOWNLOAD",
  "message":["The download has started"]
}

PING

Bosch IoT Rollouts allows DMF clients to check the availability of the DMF service. For this scenario DMF specifies a PING message that can be sent by the client:

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “PING”	true
tenant	The tenant the PING belongs to	String	false

Message Properties	Description	Type	Mandatory
correlationId	CorrelationId that allows the client to map a PING request to PING_RESPONSE	String	true

UPDATE_AUTO_CONFIRM

Message to activate or deactivate auto confirmation sent from the device to Bosch IoT Rollouts.

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “EVENT”	true
topic	Topic name identifying the event	Fixed string “UPDATE_AUTO_CONFIRM”	true
thingId	The ID of the registered thing	String	true
tenant	The tenant the thing belongs to	String	true

Message Properties	Description	Type	Mandatory
content_type	The content type of the payload	String	true

Use the following payload template to activate auto confirmation:

{
  "enabled" : "true",
  "initiator" : "user@test.com", <- (optional) e.g. a username from the customer system and will be persisted on every confirmed action
  "remark" : "Activated due to test device." <- (optional) if provided and will be persisted on every confirmed action
}

To deactivate auto confirmation send:

{
  "enabled" : "false"
}