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 by Rollouts (Rollouts -> Client)

CANCEL_DOWNLOAD
DOWNLOAD_AND_INSTALL or DOWNLOAD
MULTI_ACTION
THING_DELETED
REQUEST_ATTRIBUTES_UPDATE
PING_RESPONSE
CONFIRM

All messages from Bosch IoT Rollouts are sent to the sp_direct_queue or to the exchange specified by the reply_to property.

CANCEL_DOWNLOAD

Message to cancel an update task.

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “Event”	true
thingId	The ID of the registered provisioning target	String	true
topic	Topic name identifying the event	Fixed string “CANCEL_DOWNLOAD”	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

Payload template:

{
    "actionId": long
}

Example Headers and Payload:

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

{
"actionId":137
}

After sending this message, an action status event with either actionStatus=CANCELED or actionStatus=CANCEL_REJECTED has to be returned.

Example header and payload when cancellation is successful:

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

{
  "actionId":137,
  "softwareModuleId":17,
  "actionStatus":"CANCELED",
  "message":["The update was canceled."]
}

Example header and payload when cancellation is rejected:

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

{
  "actionId":137,
  "softwareModuleId":17,
  "actionStatus":"CANCEL_REJECTED",
  "message":["The cancellation was not possible since the target sent an unexpected response."]
}

DOWNLOAD_AND_INSTALL or DOWNLOAD

Message sent by Bosch IoT Rollouts to initialize an update or download task. Note: in case of a Action state machine > Maintenance Window configured but not yet active the message will have the topic DOWNLOAD instead of DOWNLOAD_AND_INSTALL.

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “EVENT”	true
thingId	The ID of the registered provisioning target	String	true
topic	Topic name identifying the event	Fixed string “DOWNLOAD_AND_INSTALL” or “DOWNLOAD”	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

Payload Template (the Java representation is DmfDownloadAndUpdateRequest):

Click here to expand...

{
"actionId": long,
"targetSecurityToken": "String",
"softwareModules":[
    {
    "moduleId": long,
    "moduleType":"String",
    "moduleVersion":"String",
    "artifacts":[
        {
        "filename":"String",
        "urls":{
            "COAP":"String",
            "HTTP":"String",
            "HTTPS":"String"
            },
        "hashes":{
            "md5":"String",
            "sha1":"String"
            },
        "size":long
        }],
    "metadata":[
        {
            "key":"String",
            "value":"String"
        }
    ]
    }]
}

Example header and payload:

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

Click here to expand...

{
"actionId":137,
"targetSecurityToken":"bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
"softwareModules":[
    {
    "moduleId":7,
    "moduleType":"firmware",
    "moduleVersion":"7.7.7",
    "artifacts":[
        {
        "filename":"artifact.zip",
        "urls":{
            "COAP":"coap://download-from-url.com",
            "HTTP":"http://download-from-url.com",
            "HTTPS":"https://download-from-url.com"
            },
        "hashes":{
            "md5":"md5hash",
            "sha1":"sha1hash"
            },
        "size":512
        }],
    "metadata":[
        {
            "key":"installationType",
            "value":"5784K#"
        }
    ]
    }]
}

MULTI_ACTION

If multi.assignments.enabled is enabled, this message is sent instead of DOWNLOAD_AND_INSTALL, DOWNLOAD, or CANCEL_DOWNLOAD by Bosch IoT Rollouts to initialize update, download, or cancel task(s).

Header	Description	Type	Mandatory
type	Type of the message	Fixed string “EVENT”	true
thingId	The ID of the registered provisioning target	String	true
topic	Topic name identifying the event	Fixed string “MULTI_ACTION”	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

Payload Template (the Java representation is DmfMultiActionRequest):

Click here to expand...

[{
"topic": "String",
"weight": long,
"action": {
  "actionId": long,
  "targetSecurityToken": "String",
  "softwareModules":[
      {
      "moduleId": long,
      "moduleType":"String",
      "moduleVersion":"String",
      "artifacts":[
          {
          "filename":"String",
          "urls":{
              "COAP":"String",
              "HTTP":"String",
              "HTTPS":"String"
              },
          "hashes":{
              "md5":"String",
              "sha1":"String"
              },
          "size":long
          }],
      "metadata":[
          {
              "key":"String",
              "value":"String"
          }
      ]
      }]
  }
},
{
"topic": "String",
"weight": long,
"action": {
  "actionId": long,
  "targetSecurityToken": "String",
  "softwareModules":[
      {
      "moduleId": long,
      "moduleType":"String",
      "moduleVersion":"String",
      "artifacts":[
          {
          "filename":"String",
          "urls":{
              "COAP":"String",
              "HTTP":"String",
              "HTTPS":"String"
              },
          "hashes":{
              "md5":"String",
              "sha1":"String"
              },
          "size":long
          }],
      "metadata":[
          {
              "key":"String",
              "value":"String"
          }
      ]
      }]
  }
}]

Example header and payload:

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

Click here to expand...

[{
"topic": "DOWNLOAD_AND_INSTALL",
"weight": 500,
"action": {
  "actionId":137,
  "targetSecurityToken":"bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
  "softwareModules":[
      {
      "moduleId":7,
      "moduleType":"firmware",
      "moduleVersion":"7.7.7",
      "artifacts":[
          {
          "filename":"artifact.zip",
          "urls":{
              "COAP":"coap://download-from-url.com",
              "HTTP":"http://download-from-url.com",
              "HTTPS":"https://download-from-url.com"
              },
          "hashes":{
              "md5":"md5hash",
              "sha1":"sha1hash"
              },
          "size":512
          }],
      "metadata":[
          {
              "key":"installationType",
              "value":"5784K#"
          }
      ]
      }]
  }
},
{
"topic": "DOWNLOAD",
"weight": 300,
"action": {
  "actionId":138,
  "targetSecurityToken":"bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
  "softwareModules":[
      {
      "moduleId":4,
      "moduleType":"firmware",
      "moduleVersion":"7.7.9",
      "artifacts":[
          {
          "filename":"artifact.zip",
          "urls":{
              "COAP":"coap://download-from-url.com",
              "HTTP":"http://download-from-url.com",
              "HTTPS":"https://download-from-url.com"
              },
          "hashes":{
              "md5":"md5hash",
              "sha1":"sha1hash"
              },
          "size":512
          }],
      "metadata":[
          {
              "key":"installationType",
              "value":"5784K#"
          }
      ]
      }]
  }
}]

THING_DELETED

Message sent by Bosch IoT Rollouts when a target has been deleted.

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

Example header:

Header	MessageProperties
type=THING_DELETED tenant=tenant123 thingId=abc

REQUEST_ATTRIBUTES_UPDATE

Message sent by Bosch IoT Rollouts when a re-transmission of target attributes is requested.

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

Example headers:

Header	MessageProperties
type=EVENT tenant=tenant123 thingId=abc topic=REQUEST_ATTRIBUTES_UPDATE

PING_RESPONSE

To the Messages sent to Bosch IoT Rollouts > PING message, Bosch IoT Rollouts will respond with a PING_RESPONSE type message that has the same correlationId as the original PING message:

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

Message Properties	Description	Type	Mandatory
correlationId	CorrelationId of the original PING request	String	true
content_type	The content type of the payload	String	true

The PING_RESPONSE also contains a timestamp (i.e. the difference, measured in milliseconds, between the current time and midnight, January 1, 1970 UTC) as plain text. It is not guaranteed that this timestamp is completely accurate.

Header	MessageProperties
type=PING_RESPONSE tenant=tenant123	content_type=text/plain

Disclaimer: It is up to the (potentially clustered) client to relate the PING message to the corresponding PING_RESPONSE (which might be taken by another cluster node from the queue).

CONFIRM

Message sent by Bosch IoT Rollouts to initialize a user confirmation task.

Applicable only if the user consent flow feature has been enabled prior to the start of the action.

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

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

Click here to expand...

{
"actionId": long,
"targetSecurityToken": "String",
"softwareModules":[
    {
    "moduleId": long,
    "moduleType":"String",
    "moduleVersion":"String",
    "artifacts":[
        {
        "filename":"String",
        "urls":{
            "COAP":"String",
            "HTTP":"String",
            "HTTPS":"String"
            },
        "hashes":{
            "md5":"String",
            "sha1":"String"
            },
        "size":long
        }],
    "metadata":[
        {
            "key":"String",
            "value":"String"
        }
    ]
    }]
}