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96 lines
4.2 KiB
Markdown
96 lines
4.2 KiB
Markdown
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# ChangeEvent
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This schema defines webhook for receiving events from OpenMetadata.
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**$id:** [**https://open-metadata.org/schema/entity/events/webhook.json**](https://open-metadata.org/schema/entity/events/webhook.json)
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Type: `object`
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This schema <u>does not</u> accept additional properties.
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## Properties
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- **id** `required`
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- Unique ID associated with a webhook subscription.
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- $ref: [../../type/basic.json#/definitions/uuid](../types/basic.md#uuid)
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- **name** `required`
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- Unique name of the application receiving webhook events.
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- Type: `string`
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- Length: between 1 and 128
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- **description**
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- Description of the application.
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- Type: `string`
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- **endpoint**
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- Endpoint to receive the webhook events over POST requests.
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- Type: `string`
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- String format must be a "uri"
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- **eventFilters**
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- Endpoint to receive the webhook events over POST requests.
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- Type: `array`
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- **Items**
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- $ref: [../../type/changeEvent.json#/definitions/eventFilter](../types/changeevent.md#eventfilter)
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- **batchSize**
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- Maximum number of events sent in a batch (Default 10).
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- Type: `integer`
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- Default: `10`
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- **timeout**
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- Connection timeout in seconds. (Default 10s).
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- Type: `integer`
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- Default: `10`
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- **enabled**
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- When set to `true`, the webhook event notification is enabled. Set it to `false` to disable the subscription. (Default `true`).
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- Type: `boolean`
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- Default: _true_
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- **secretKey**
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- Secret set by the webhook client used for computing HMAC SHA256 signature of webhook payload and sent in `X-OM-Signature` header in POST requests to publish the events.
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- Type: `string`
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- **version**
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- Metadata version of the entity.
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- $ref: [../../type/entityHistory.json#/definitions/entityVersion](../types/entityhistory.md#entityversion)
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- **updatedAt**
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- Last update time corresponding to the new version of the entity in Unix epoch time milliseconds.
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- $ref: [../../type/basic.json#/definitions/timestamp](../types/basic.md#timestamp)
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- **updatedBy**
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- User who made the update.
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- Type: `string`
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- **status**
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- Status is `notStarted`, when webhook was created with `enabled` set to false and it never started publishing events. Status is `started` when webhook is normally functioning and 200 OK response was received for callback notification. Status is `failed` on bad callback URL, connection failures, `1xx`, and `3xx` response was received for callback notification. Status is `awaitingRetry` when previous attempt at callback timed out or received `4xx`, `5xx` response. Status is `retryLimitReached` after all retries fail.
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- Type: `string`
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- The value is restricted to the following:
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1. _"notStarted"_
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2. _"started"_
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3. _"failed"_
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4. _"awaitingRetry"_
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5. _"retryLimitReached"_
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- **failureDetails**
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- Failure details are set only when `status` is not `success`.
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- Type: `object`
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- This schema <u>does not</u> accept additional properties.
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- **Properties**
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- **lastSuccessfulAt**
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- Last non-successful callback time in UNIX UTC epoch time in milliseconds.
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- $ref: [../../type/basic.json#/definitions/timestamp](../types/basic.md#timestamp)
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- **lastFailedAt**
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- Last non-successful callback time in UNIX UTC epoch time in milliseconds.
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- $ref: [../../type/basic.json#/definitions/timestamp](../types/basic.md#timestamp)
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- **lastFailedStatusCode**
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- Last non-successful activity response code received during callback.
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- Type: `integer`
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- **lastFailedReason**
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- Last non-successful activity response reason received during callback.
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- Type: `string`
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- **nextAttempt**
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- Next retry will be done at this time in Unix epoch time milliseconds. Only valid is `status` is `awaitingRetry`.
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- $ref: [../../type/basic.json#/definitions/timestamp](../types/basic.md#timestamp)
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- **href**
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- Link to this webhook resource.
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- $ref: [../../type/basic.json#/definitions/href](../types/basic.md#href)
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- **changeDescription**
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- Change that lead to this version of the entity.
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- $ref: [../../type/entityHistory.json#/definitions/changeDescription](../types/entityhistory.md#changedescription)
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- **deleted**
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- When `true` indicates the entity has been soft deleted.
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- Type: `boolean`
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- Default: _false_
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_This document was updated on: Tuesday, January 25, 2022_
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