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Expanded documentation for Webhooks 2.0 (chains and callbacks information)

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Signed-off-by: Joffrey Fuhrer <joffrey@gmail.com>
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Joffrey F 2014-11-24 23:54:50 +01:00
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36
docs/sources/docker-hub/repos.md
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@ -1,6 +1,6 @@
page_title: Repositories and Images on Docker Hub
page_description: Repositories and Images on Docker Hub
page_keywords: Docker, docker, registry, accounts, plans, Dockerfile, Docker Hub, docs, documentation
page_keywords: Docker, docker, registry, accounts, plans, Dockerfile, Docker Hub, webhooks, docs, documentation
# Repositories and Images on Docker Hub
@ -142,3 +142,37 @@ similar to the example shown below.
Webhooks allow you to notify people, services and other applications of
new updates to your images and repositories.
### Webhook chains
Webhook chains allow you to chain calls to multiple services. After clicking the
"Add webhook" button, simply add as many URLs as necessary in your chain.
The first webhook in a chain will be called after a successful push. Subsequent URLs will be contacted after the callback has been validated.
#### Validating a callback
In order to validate a callback in a webhook chain, you need to
1. Retrieve the `callback_url` value in the request's JSON payload.
1. Send a POST request to this URL containing a valid JSON body.
> **Note**: A chain request will only be considered complete once the last
> callback has been validated.
#### Callback JSON data
Recognized parameters in callback data are as follow:
* `state` (required): Accepted values are `success`, `failure` and `error`. If the state isn't `success`, the webhook chain will be interrupted.
* `description`: A string containing miscellaneous information that will be available on the Docker Hub. Maximum 255 characters.
* `context`: A string containing the context of the operation. Can be retrieved on the Docker Hub. Maximum 100 characters.
* `target_url`: The URL where the results of the operation can be found. Can be retrieved on the Docker Hub.
*Example callback payload:*
{
"state": "success",
"description": "387 tests PASSED",
"context": "Continuous integration by Acme CI",
"target_url": "http://ci.acme.com/results/afd339c1c3d27"
}

3
docs/sources/userguide/dockerrepos.md
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@ -162,6 +162,9 @@ event when an image or updated image is pushed to the repository. With
a webhook you can specify a target URL and a JSON payload that will be
delivered when the image is pushed.
See more information on webhooks
[here](http://docs.docker.com/docker-hub/repos/#webhooks)
## Next steps
Go and use Docker!