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https://github.com/brigadecore/brigade-dockerhub-gateway
A Brigade 2 compatible gateway for events originating from Docker Hub
https://github.com/brigadecore/brigade-dockerhub-gateway
brigade brigade-gateway v2
Last synced: 4 days ago
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A Brigade 2 compatible gateway for events originating from Docker Hub
- Host: GitHub
- URL: https://github.com/brigadecore/brigade-dockerhub-gateway
- Owner: brigadecore
- License: apache-2.0
- Created: 2021-08-05T23:14:46.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2024-06-24T22:05:39.000Z (5 months ago)
- Last Synced: 2024-08-02T15:47:47.647Z (3 months ago)
- Topics: brigade, brigade-gateway, v2
- Language: Go
- Homepage:
- Size: 177 KB
- Stars: 3
- Watchers: 3
- Forks: 2
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Codeowners: CODEOWNERS
Awesome Lists containing this project
README
# Brigade Docker Hub Gateway
[](https://codecov.io/gh/brigadecore/brigade-dockerhub-gateway)
[](https://goreportcard.com/report/github.com/brigadecore/brigade-dockerhub-gateway)
[](https://kubernetes.slack.com/messages/C87MF1RFD)
This Brigade Docker Hub Gateway receives events
([webhooks](https://docs.docker.com/docker-hub/webhooks/)) from Docker Hub and
emits them into Brigade's event bus.
## Creating Webhooks
After [installation](docs/INSTALLATION.md), browse to any of your Docker Hub
repositories for which you'd like to send webhooks to this gateway. From the
tabs across the top of the page, select __Webhooks__.
* In the __Webhook name__ field, add a meaningful name for the webhook.
* In the __Webhook URL__ field, use a value of the form
`https:///events?access_token=`.
* Click __Create__
> ⚠️ Docker Hub doesn't provide _any_ reasonable mechanism for
> authenticating to the endpoints to which events (webhooks) are sent. Due to
> this, the only viable approach to authentication is to include a token (a
> shared secret) in the webhook URL as depicted above. Users are cautioned that
> even with TLS, this is not _entirely_ secure because web servers, reverse
> proxies, and other infrastructure are apt to capture entire URLs, including
> query parameters, in their access logs. _If your threat model suggests this is
> an intolerable degree of risk, then do not use this gateway and, more
> generally, do not use Docker Hub webhooks._
## Subscribing
Now subscribe any number of Brigade
[projects](https://docs.brigade.sh/topics/project-developers/projects/) to
events emitted by this gateway -- all of which have a value of
`brigade.sh/dockerhub` in their `source` field. You can subscribe to all event
types emitted by the gateway, or just specific ones.
In the example project definition below, we subscribe to `push` events, provided
they've originated from the fictitious `example-org/example` repository (see the
`repo`
[qualifier](https://docs.brigade.sh/topics/project-developers/events/#qualifiers)).
You should adjust this value to match a repository for which you are sending
webhooks to your new gateway (see
[installation instructions](docs/INSTALLATION.md)).
```yaml
apiVersion: brigade.sh/v2
kind: Project
metadata:
id: dockerhub-demo
description: A project that demonstrates integration with Docker Hub
spec:
eventSubscriptions:
- source: brigade.sh/dockerhub
types:
- push
qualifiers:
repo: example-org/example
workerTemplate:
defaultConfigFiles:
brigade.js: |-
const { events } = require("@brigadecore/brigadier");
events.on("brigade.sh/dockerhub", "push", () => {
console.log("Someone pushed an image to the example-org/example repository!");
});
events.process();
```
Assuming this file were named `project.yaml`, you can create the project like
so:
```shell
$ brig project create --file project.yaml
```
Pushing an image to the corresponding repo should now send a webhook from Docker
Hub to your gateway. The gateway, in turn, will emit the event into Brigade's
event bus. Brigade should initialize a worker (containerized event handler) for
every project that has subscribed to the event, and the worker should execute
the `brigade.js` script that was embedded in the example project definition.
List the events for the `dockerhub-demo` project to confirm this:
```shell
$ brig event list --project dockerhub-demo
```
Full coverage of `brig` commands is beyond the scope of this documentation, but
at this point,
[additional `brig` commands](https://docs.brigade.sh/topics/project-developers/brig/)
can be applied to monitor the event's status and view logs produced in the
course of handling the event.
## Events Received and Emitted by this Gateway
Docker Hub only supports one type of event (webhook) and that is the `push`
event.
## Contributing
The Brigade project accepts contributions via GitHub pull requests. The
[Contributing](CONTRIBUTING.md) document outlines the process to help get your
contribution accepted.
## Support & Feedback
We have a slack channel!
[Kubernetes/#brigade](https://kubernetes.slack.com/messages/C87MF1RFD) Feel free
to join for any support questions or feedback, we are happy to help. To report
an issue or to request a feature open an issue
[here](https://github.com/brigadecore/brigade-dockerhub-gateway/issues)
## Code of Conduct
Participation in the Brigade project is governed by the
[CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).