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Add documentation for feature Multi-Assignment (#840)

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Signed-off-by: Jeroen Laverman <jeroen.laverman@bosch-si.com>
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Jeroen Laverman
2019-06-06 16:43:14 +02:00
committed by GitHub
parent 3b15e80e95
commit be17958f4a
2 changed files with 447 additions and 177 deletions
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601
docs/content/apis/dmf_api.md
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@@ -33,269 +33,516 @@ The following chapter describes the message body, header and properties.
Note: the DMF protocol was intended to be compatible to other use cases by design. As a result, DMF uses the term **thing** and not **target** but they are actually synonyms in this case.
## Messages sent to hawkBit
## Messages sent to hawkBit (Client -> hawkBit)
All messages have to be sent to the exchange **dmf.exchange**.
### Message to register a thing
### THING_CREATED
| Message Header | Description | Type | Mandatory |
| -------------- | -------------------------------- | ----------------------------- | --------- |
| type | Type of the message | Fixed string "THING_CREATED " | true |
| thingId | The ID of the registered thing | String | true |
| tenant | The tenant this thing belongs to | String | true |
Message to register and update a provisioning target.
| Message Properties | Description | Type | Mandatory |
| ------------------ | --------------------- | ------ | --------- |
| reply_to | Exchange to reply to. | String | true |
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
**Example Header**
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
| Headers | MessageProperties |
| ------------------------------------------------------------- | -------------------------- |
| type=THING_CREATED <br /> tenant=tenant123 <br /> thingId=abc | reply_to=dmfclient.replyTo |
Example headers
### Message to update target attributes
Header | MessageProperties
----------------------------------------------------------------------------------- | -------------------------------------------------------------------------------
type=THING\_CREATED <br /> tenant=tenant123 <br /> thingId=abc <br /> sender=Lwm2m | content\_type=application/json <br /> reply_to (optional) =sp.connector.replyTo
| Message Header | Description | Type | Mandatory |
| -------------- | -------------------------------- | -------------------------------- | --------- |
| type | Type of the message | Fixed string "EVENT" | true |
| topic | Topic to handle events different | Fixed string "UPDATE_ATTRIBUTES" | true |
| thingId | The ID of the registered thing | String | true |
| tenant | The tenant this thing belongs to | String | true |
### UPDATE_ATTRIBUTES
| Message Properties | Description | Type | Mandatory |
| ------------------ | ------------------------------- | ------ | --------- |
| content_type | The content type of the payload | String | true |
Message to update target attributes. This message can be send in response to a _REQUEST_ATTRIBUTES_UPDATE_ event, sent by hawkBit.
**Example Header and Payload**
| 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
| Headers | MessageProperties |
| ------------------------------------------------------------------------------------ | ----------------------------- |
| type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=UPDATE_ATTRIBUTES | content_type=application/json |
Payload Template
| Message Properties | Description | Type | Mandatory |
|-----------------------------|----------------------------------|--------|-----------|
| content_type | The content type of the payload | String | true |
Example header and payload:
| Header | MessageProperties |
|---------------------------------------|---------------------------------|
| type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=UPDATE\_ATTRIBUTES | content\_type=application/json <br />
Payload Template:
```json
{
"attributes": {
"exampleKey1": "exampleValue1",
"exampleKey2": "exampleValue2"
}
"attributes": {
"exampleKey1" : "exampleValue1",
"exampleKey2" : "exampleValue2"
},
"mode": "String"
}
```
### Message to send an action status event to hawkBit
The "mode" property specifies the update mode that should be applied. This property is optional. Possible [mode](https://github.com/eclipse/hawkbit/tree/master/hawkbit-dmf/hawkbit-dmf-api/src/main/java/org/eclipse/hawkbit/dmf/json/model/DmfUpdateMode.java) values:
The Java representation is ActionUpdateStatus:
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.
| Header | Description | Type | Mandatory |
| ------ | -------------------------------- | ----------------------------------- | --------- |
| type | Type of the message | Fixed string "EVENT" | true |
| topic | Topic to handle events different | Fixed string "UPDATE_ACTION_STATUS" | true |
| tenant | The tenant this thing belongs to | String | true |
| Message Properties | Description | Type | Mandatory |
| ------------------ | ------------------------------- | ------ | --------- |
| content_type | The content type of the payload | String | true |
### UPDATE_ACTION_STATUS
Payload Template
Message to send an action status event to hawkBit.
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](https://github.com/eclipse/hawkbit/tree/master/hawkbit-dmf/hawkbit-dmf-api/src/main/java/org/eclipse/hawkbit/dmf/json/model/DmfActionUpdateStatus.java)):
```json
{
"actionId": long,
"softwareModuleId": long,
"actionStatus": "String",
"message": ["String"]
"actionStatus":"String",
"message":["String"]
}
```
Possible actionStatus
Possible [actionStatus](https://github.com/eclipse/hawkbit/tree/master/hawkbit-dmf/hawkbit-dmf-api/src/main/java/org/eclipse/hawkbit/dmf/json/model/DmfActionStatus.java) values:
| Header | Description |
| --------------- | ------------------------------------------------- |
| DOWNLOAD | Device is downloading |
| RETRIEVED | Device management service has retrieved something |
| RUNNING | Update is running |
| FINISHED | Update process finished successful |
| ERROR | Error during update process |
| WARNING | Warning during update process |
| CANCELED | Cancel update process successful |
| CANCEL_REJECTED | Cancel update process has been rejected |
Value | Description
--------------- | ---------------------------------------
DOWNLOAD | Device is downloading
DOWNLOADED | Device completed download
RETRIEVED | Device has retrieved the artifact
RUNNING | Update is running
FINISHED | Update process finished successful
ERROR | Error during update process
WARNING | Warning during update process
CANCELED | Cancel update process successful
CANCEL_REJECTED | Cancel update process has been rejected
**Example Header and Payload**
Example header and payload:
| Headers | MessageProperties |
| -------------------------------------------------------------------- | ----------------------------- |
| type=EVENT <br /> tenant=tenant123 <br /> topic=UPDATE_ACTION_STATUS | content_type=application/json |
Header | MessageProperties
----------------------------------------------------------------------- | -----------------------------
type=EVENT <br /> tenant=tenant123 <br /> topic=UPDATE\_ACTION\_STATUS | content_type=application/json
```json
{
"actionId": 137,
"softwareModuleId": 17,
"actionStatus": "DOWNLOAD",
"message": ["The download has started"]
"actionId":137,
"softwareModuleId":17,
"actionStatus":"DOWNLOAD",
"message":["The download has started"]
}
```
### Message to cancel an update task
### PING
| Header | Description | Type | Mandatory |
| ------- | -------------------------------- | ------------------------------ | --------- |
| type | Type of the message | Fixed string "Event" | true |
| thingId | The ID of the registered thing | String | true |
| topic | Topic to handle events different | Fixed string "CANCEL_DOWNLOAD" | true |
| tenant | The tenant this thing belongs to | String | true |
hawkBit 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:
| Message Properties | Description | Type | Mandatory |
| ------------------ | ------------------------------- | ------ | --------- |
| content_type | The content type of the payload | String | true |
Header | Description | Type | Mandatory
------- | -------------------------------- | ------------------------------ | -------------------------------------------------------------
type | Type of the message | Fixed string "PING" | true
tenant | The tenant the PING belongs to | String | false
Payload Template
Message Properties | Description | Type | Mandatory
------------------ | ------------------------------- | ------ | -------------------------------------------------------------
correlationId | CorrelationId that allows the client to map a PING request to PING_RESPONSE | String | true
## Messages sent by hawkBit (hawkBit -> Client)
### 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:
```json
{
"actionId": long
"actionId": long
}
```
**Example Header and payload**
Example Headers and Payload:
| Headers | MessageProperties |
| ---------------------------------------------------------------------------------- | ----------------------------- |
| type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=CANCEL_DOWNLOAD | content_type=application/json |
| Header | MessageProperties |
|---------------------------------------|---------------------------------|
| type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=CANCEL\_DOWNLOAD | content_type=application/json
```json
{
"actionId": 137
"actionId":137
}
```
After this message has been sent, an action status event with either actionStatus=CANCELED or actionStatus=CANCEL_REJECTED has to be returned.
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**
Example header and payload when cancellation is successful:
| Headers | MessageProperties |
| -------------------------------------------------------------------- | ----------------------------- |
| type=EVENT <br /> tenant=tenant123 <br /> topic=UPDATE_ACTION_STATUS | content_type=application/json |
Header | MessageProperties
----------------------------------------------------------------------- | -----------------------------
type=EVENT <br /> tenant=tenant123 <br /> topic=UPDATE\_ACTION\_STATUS | content_type=application/json
```json
{
"actionId": 137,
"softwareModuleId": 17,
"actionStatus": "CANCELED",
"message": ["The update was canceled."]
"actionId":137,
"softwareModuleId":17,
"actionStatus":"CANCELED",
"message":["The update was canceled."]
}
```
**Example Header and Payload when cancellation was rejected**
Example header and payload when cancellation is rejected:
| Headers | MessageProperties |
| -------------------------------------------------------------------- | ----------------------------- |
| type=EVENT <br /> tenant=tenant123 <br /> topic=UPDATE_ACTION_STATUS | content_type=application/json |
Header | MessageProperties
----------------------------------------------------------------------- | -----------------------------
type=EVENT <br /> tenant=tenant123 <br /> topic=UPDATE\_ACTION\_STATUS | content_type=application/json
```json
{
"actionId": 137,
"softwareModuleId": 17,
"actionStatus": "CANCEL_REJECTED",
"message": [
"The cancellation was not possible since the target sent an unexpected response."
]
"actionId":137,
"softwareModuleId":17,
"actionStatus":"CANCEL_REJECTED",
"message":["The cancellation was not possible since the target sent an unexpected response."]
}
```
## Messages sent by hawkBit
All messages from hawkBit will be sent to the specified exchange in the `reply_to` property.
### DOWNLOAD_AND_INSTALL or DOWNLOAD
### Message sent by hawkBit to initialize an update task
Message sent by hawkBit to initialize an update or download task. Note: in case of a 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 thing | String | true |
| topic | Topic to handle events different | Fixed string "DOWNLOAD_AND_INSTALL" | true |
| tenant | The tenant this thing belongs to | String | true |
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 |
Message Properties | Description | Type | Mandatory
------------------ | ------------------------------- | ------ | -------------------------------------------------------------
content_type | The content type of the payload | String | true
The Java representation is DownloadAndUpdateRequest:
Payload Template
Payload Template (the Java representation is [DmfDownloadAndUpdateRequest](https://github.com/eclipse/hawkbit/tree/master/hawkbit-dmf/hawkbit-dmf-api/src/main/java/org/eclipse/hawkbit/dmf/json/model/DmfDownloadAndUpdateRequest.java)):
```json
{
"actionId": long,
"targetSecurityToken": "String",
"softwareModules":[
{
"moduleId": long,
"moduleType":"String",
"moduleVersion":"String",
"artifacts":[
{
"filename":"String",
"urls":{
"HTTP":"String",
"HTTPS":"String"
},
"hashes":{
"md5":"String",
"sha1":"String"
},
"size":long
}],
"metadata":[
{
"key":"String",
"value":"String"
}
]
}]
}
```
Example header and payload:
Header | MessageProperties
------------------------------------------------------------------------------------------- | -----------------------------
type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=DOWNLOAD\_AND\_INSTALL | content_type=application/json
```json
{
"actionId":137,
"targetSecurityToken":"bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
"softwareModules":[
{
"moduleId":7,
"moduleType":"firmware",
"moduleVersion":"7.7.7",
"artifacts":[
{
"filename":"artifact.zip",
"urls":{
"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 hawkBit 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](https://github.com/eclipse/hawkbit/tree/master/hawkbit-dmf/hawkbit-dmf-api/src/main/java/org/eclipse/hawkbit/dmf/json/model/DmfMultiActionRequest.java)):
```json
[{
"topic": "String",
"action": {
"actionId": long,
"targetSecurityToken": "String",
"softwareModules": [
{
"softwareModules":[
{
"moduleId": long,
"moduleType": "String",
"moduleVersion": "String",
"artifacts": [
{
"filename": "String",
"urls": {
"HTTP": "String",
"HTTPS": "String"
},
"hashes": {
"md5": "String",
"sha1": "String"
},
"size": long
}
],
"metadata": [
{
"key": "String",
"value": "String"
}
"moduleType":"String",
"moduleVersion":"String",
"artifacts":[
{
"filename":"String",
"urls":{
"HTTP":"String",
"HTTPS":"String"
},
"hashes":{
"md5":"String",
"sha1":"String"
},
"size":long
}],
"metadata":[
{
"key":"String",
"value":"String"
}
]
}
]
}
}]
}
},
{
"topic": "String",
"action": {
"actionId": long,
"targetSecurityToken": "String",
"softwareModules":[
{
"moduleId": long,
"moduleType":"String",
"moduleVersion":"String",
"artifacts":[
{
"filename":"String",
"urls":{
"HTTP":"String",
"HTTPS":"String"
},
"hashes":{
"md5":"String",
"sha1":"String"
},
"size":long
}],
"metadata":[
{
"key":"String",
"value":"String"
}
]
}]
}
}]
```
**Example Header and Payload**
Example header and payload:
| Headers | MessageProperties |
| --------------------------------------------------------------------------------------- | ----------------------------- |
| type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=DOWNLOAD_AND_INSTALL | content_type=application/json |
Header | MessageProperties
------------------------------------------------------------------------------------------- | -----------------------------
type=EVENT <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=MULTI\_ACTION | content_type=application/json
```json
{
"actionId": 137,
"targetSecurityToken": "bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
"softwareModules": [
{
"moduleId": 7,
"moduleType": "firmware",
"moduleVersion": "7.7.7",
"artifacts": [
{
"filename": "artifact.zip",
"urls": {
"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_AND_INSTALL",
"action": {
"actionId":137,
"targetSecurityToken":"bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
"softwareModules":[
{
"moduleId":7,
"moduleType":"firmware",
"moduleVersion":"7.7.7",
"artifacts":[
{
"filename":"artifact.zip",
"urls":{
"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",
"action": {
"actionId":138,
"targetSecurityToken":"bH7XXAprK1ChnLfKSdtlsp7NOlPnZAYY",
"softwareModules":[
{
"moduleId":4,
"moduleType":"firmware",
"moduleVersion":"7.7.9",
"artifacts":[
{
"filename":"artifact.zip",
"urls":{
"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 hawkBit 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 <br /> tenant=tenant123 <br /> thingId=abc | |
### REQUEST_ATTRIBUTES_UPDATE
Message sent by Eclipse hawkBit 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 <br /> tenant=tenant123 <br /> thingId=abc <br /> topic=REQUEST\_ATTRIBUTES\_UPDATE | |
### PING_RESPONSE
_hawkBit_ will respond to the PING message 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 <br /> tenant=tenant123 | content_type=text/plain |
```text
1505215891247
```

23
docs/content/concepts/rollout-management.md
View File

@@ -47,3 +47,26 @@ The cascading execution of the deployment groups is based on two thresholds that
### State Machine on Rollout Deployment Group
![](../../images/rolloutgroupstatediagram.png)
## Multi-Assignments (beta)
One of the main paradigms of Eclipse hawkBit is, that a Distribution Set represents the currently installed software of a device. Hence, a device can have only one Distribution Set assigned/installed at a time. With _Multi-Assignments_ enabled, this paradigm shifts. Multi-Assignments allows to assign multiple Distribution Sets to a device simultaneously, without cancelling each other. As a consequence, an operator can trigger multiple campaigns addressing the same devices in parallel.
### Consequences
While this feature provides more flexibility to the user and enables new use-cases, there are also some consequences one should be aware of:
**Critical**
* This feature is in beta and may change unannounced.
* For now, this feature is **opt-in only**. Once activated, it cannot be deactivated.
* Currently, there is no mechanism to hint devices to process the actions in a certain order.
**Minor**
* While on DMF-API a MULTI_ACTION request is sent, DDI-API only exposes the oldest open action.
* All information regarding the currently assigned or installed Distribution Set does only respect the last assignment, as well as the last successfully installed Distribution set. This also affects:
* Pinning a target or Distribution Set in Deployment View.
* Statistics about installed or assigned Distribution Sets.
* Auto close running actions, when a new Distribution Set is assigned (`repository.actions.autoclose.enabled`) is deactivated.
* Marking a Distribution Set to be a *Required Migration Step* is deactivated.