job-exec-action-provider

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Published: Jun 9, 2022 License: Apache-2.0 Imports: 14 Imported by: 0

README

README

job-exec-action-provider

GitHub release (latest by date) Go Report Card

This implements a job-exec-action-provider for Keptn. If you want to learn more about Keptn visit us on keptn.sh

Compatibility Matrix

Please fill in your versions accordingly

Keptn Version* Keptn-Service-Template-Go Docker Image
0.6 - 0.8 admittednovas/job-exec-action-provider:0.8.3
0.10.x admittednovas/job-exec-action-provider:0.10.0
0.11.x admittednovas/job-exec-action-provider:0.11.4
0.12.x admittednovas/job-exec-action-provider:0.12.2
0.13.x admittednovas/job-exec-action-provider:0.13.0
0.14.x admittednovas/job-exec-action-provider:0.14.0

* This is the Keptn version we aim to be compatible with. Other versions should work too, but there is no guarantee.

Note: Versions compatible with Keptn 0.14.x and newer are not backward compatible due to a change in NATS cluster name (see https://github.com/keptn/keptn/releases/tag/0.14.1 for more info about the breaking change).

Installation

The job-exec-action-provider can be installed as a part of Keptn's uniform.

Deploy in your Kubernetes cluster

To deploy the current version of the job-exec-action-provider in your Keptn Kubernetes cluster use the helm chart file, for example:

helm install -n keptn job-exec-action-provider chart/

This should install the job-exec-action-provider together with a Keptn distributor into the keptn namespace, which you can verify using

kubectl -n keptn get deployment job-exec-action-provider -o wide
kubectl -n keptn get pods -l run=job-exec-action-provider
Up- or Downgrading

Adapt and use the following command in case you want to up- or downgrade your installed version (specified by the $VERSION placeholder):

helm upgrade -n keptn --set image.tag=$VERSION job-exec-action-provider chart/
Uninstall

To delete a deployed job-exec-action-provider, use the file deploy/*.yaml files from this repository and delete the Kubernetes resources:

helm uninstall -n keptn job-exec-action-provider

Development

Development can be conducted using any GoLang compatible IDE/editor (e.g., Jetbrains GoLand, VSCode with Go plugins).

It is recommended to make use of branches as follows:

  • main/master contains the latest potentially unstable version
  • release-* contains a stable version of the service (e.g., release-0.1.0 contains version 0.1.0)
  • create a new branch for any changes that you are working on, e.g., feature/my-cool-stuff or bug/overflow
  • once ready, create a pull request from that branch back to the main/master branch

When writing code, it is recommended to follow the coding style suggested by the Golang community.

Where to start

If you don't care about the details, your first entrypoint is eventhandlers.go. Within this file you can add implementation for pre-defined Keptn Cloud events.

To better understand all variants of Keptn CloudEvents, please look at the Keptn Spec.

If you want to get more insights into processing those CloudEvents or even defining your own CloudEvents in code, please look into main.go (specifically processKeptnCloudEvent), chart/values.yaml, consult the Keptn docs as well as existing Keptn Core and Keptn Contrib services.

Common tasks
  • Build the binary: go build -ldflags '-linkmode=external' -v -o job-exec-action-provider
  • Run tests: go test -race -v ./...
  • Build the docker image: docker build . -t admittednovas/job-exec-action-provider:dev (Note: Ensure that you use the correct DockerHub account/organization)
  • Run the docker image locally: docker run --rm -it -p 8080:8080 admittednovas/job-exec-action-provider:dev
  • Push the docker image to DockerHub: docker push admittednovas/job-exec-action-provider:dev (Note: Ensure that you use the correct DockerHub account/organization)
  • Deploy the service using kubectl: kubectl apply -f deploy/
  • Delete/undeploy the service using kubectl: kubectl delete -f deploy/
  • Watch the deployment using kubectl: kubectl -n keptn get deployment job-exec-action-provider -o wide
  • Get logs using kubectl: kubectl -n keptn logs deployment/job-exec-action-provider -f
  • Watch the deployed pods using kubectl: kubectl -n keptn get pods -l run=job-exec-action-provider
  • Deploy the service using Skaffold: skaffold run --default-repo=your-docker-registry --tail (Note: Replace your-docker-registry with your container image registry (defaults to ghcr.io/admittednovas/job-exec-action-provider); also make sure to adapt the image name in skaffold.yaml)
Testing Cloud Events

We have dummy cloud-events in the form of RFC 2616 requests in the test-events/ directory. These can be easily executed using third party plugins such as the Huachao Mao REST Client in VS Code.

Automation

GitHub Actions: Automated Pull Request Review

This repo uses reviewdog for automated reviews of Pull Requests.

You can find the details in .github/workflows/reviewdog.yml.

GitHub Actions: Unit Tests

This repo has automated unit tests for pull requests.

You can find the details in .github/workflows/CI.yml.

GH Actions/Workflow: Build Docker Images

This repo uses GH Actions and Workflows to test the code and automatically build docker images.

Docker Images are automatically pushed based on the configuration done in .ci_env and the two GitHub Secrets

  • REGISTRY_USER - your DockerHub username
  • REGISTRY_PASSWORD - a DockerHub access token (alternatively, your DockerHub password)

How to release a new version of this service

It is assumed that the current development takes place in the main/master branch (either via Pull Requests or directly).

Once you're ready, go to the Actions tab on GitHub, select Pre-Release or Release, and run the action.

License

Please find more information in the LICENSE file.

Documentation

The Go Gopher

There is no documentation for this package.

Directories

Path Synopsis
test
e2e

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