Helm (Kubernetes) plugin for drone.io

This plugin allows to deploy a Helm chart into a Kubernetes cluster.

For example, this configuration will deploy my-app using a chart located in the repo called my-chart

    pipeline:
                helm_deploy:
                image: quay.io/ipedrazas/drone-helm
                skip_tls_verify: true
                chart: ./charts/my-chart
                release: ${DRONE_BRANCH}
                values: secret.password=${SECRET_PASSWORD},image.tag=${DRONE_BRANCH}-${DRONE_COMMIT_SHA:0:7}
                prefix: STAGING
                debug: true
                when:
                 branch: [master]

There are two secrets you have to create (Note that if you specify the prefix, your secrets have to be created using that prefix):

            drone secret add --image=quay.io/ipedrazas/drone-helm \
                    your-user/your-repo STAGING_API_SERVER https://mykubernetesapiserver


            drone secret add --image=quay.io/ipedrazas/drone-helm \
                    your-user/your-repo STAGING_KUBERNETES_TOKEN eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJrdWJ...


            drone secret add --image=quay.io/ipedrazas/drone-helm \
                    your-user/your-repo STAGING_SECRET_PASSWORD Sup3rS3cr3t

Prefix helps you to use the same block in different environments:

        pipeline:
                helm_deploy_staging:
                image: quay.io/ipedrazas/drone-helm
                skip_tls_verify: true
                chart: ./charts/my-chart
                release: ${DRONE_BRANCH}
                values: secret.password=${SECRET_PASSWORD},image.tag=${DRONE_BRANCH}-${DRONE_COMMIT_SHA:0:7}
                prefix: STAGING
                debug: true
                when:
                  branch:
                    exclude: [ master ]


        pipeline_production:
                helm_deploy:
                image: quay.io/ipedrazas/drone-helm
                skip_tls_verify: true
                chart: ./charts/my-chart
                release: ${DRONE_BRANCH}
                values: secret.password=${SECRET_PASSWORD},image.tag=${DRONE_BRANCH}-${DRONE_COMMIT_SHA:0:7}
                prefix: PROD
                debug: true
                when:
                 branch: [master]

This last block defines how the plugin will deploy

To test the plugin, you can run minikube and just run the docker image as follows:

    docker run --rm \
    -e PLUGIN_API_SERVER=https://192.168.64.5:8443 \
    -e PLUGIN_TOKEN="" \
    -e PLUGIN_NAMESPACE=default \
    -e PLUGIN_SKIP_TLS_VERIFY=true \
    -e PLUGIN_RELEASE=my-release \
    -e PLUGIMN_CHART=stable/redis \
    -e PLUGIN_VALUES="tag=TAG,api=API" \
    -e PLUGIN_DEBUG=true \
    -e PLUGIN_DRY_RUN=true \
    -e DRONE_BUILD_EVENT=push \
    quay.io/ipedrazas/drone-helm

This plugin expects Tiller to be already installed in the cluster

Happy Helming!