Captain

Captain is a Helm 3 Controller

About Helm3

This project is based on the core helm v3 code, acting as a library. Some modifications were made to help implement this controller on a fork: alauda/helm .

Features

HelmRequest/ChartRepo/Release CRD, namespace based
Git/Svn as ChartRepo
Local ChartRepo based on ChartMuseum
Multi cluster support based on cluster-registry
Dependency check for HelmRequest (between HelmRequests)
valuesFrom support: support to ConfigMap or Secret value store
kubectl apply like resource manipulation: no more resource conflict and CRD management issues
OCI chart support
HTTP downloadable chart support

Quick Start

Check the Installation Guide to learn how to install captain

Then, create a HelmRequest resource

kind: HelmRequest
apiVersion: app.alauda.io/v1
metadata:
  name: nginx-ingress
spec:
  chart: stable/nginx-ingress

After a few seconds, you have an nginx-ingress chart running

[email protected]:~/demo# kubectl get pods
NAME                                             READY   STATUS    RESTARTS   AGE
nginx-ingress-controller-57987f445c-9rhv5        1/1     Running   0          16s
nginx-ingress-default-backend-7679dbd5c9-wkkss   1/1     Running   0          16s
[email protected]:~/demo# kubectl get hr
NAME            CHART                  VERSION   NAMESPACE   ALLCLUSTER   PHASE    AGE
nginx-ingress   stable/nginx-ingress             default                  Synced   23s

For the detailed explain and advanced usage, please check the documentation below

Documention

SDK

Golang: also contains the CRD definition

Future Plans

Java SDK
Auto update of HelmRequest
Always update to the latest version of chart

Captain Releated Projects

kubectl-captain: a kubectl plugin for captain
captain-test-charts: test charts for captain
oci-chartrepo: use oci registry as helm chart repo

Related Projects

flux: flux have a similar controller based on Helm2

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