K3s Github Action

This github action starts a k3s cluster of chosen version and sets KUBECONFIG to created cluster. This is helpful for testing applications / operators on top of kubernetes cluster

Inputs

• version of k3s

refer to table at the end of this README

• egress-fix whether to disable the k3s egress selector (bug on v1.22)
• ports

Outputs

• KUBECONFIG environment variable set to k3s cluster created as part of action.
• kubeconfig: Kubeconfig location

Example usage

- uses: debianmaster/actions-k3s@master
  id: k3s
  with:
    version: 'latest'
    egress-fix: false
- run: |
    kubectl get nodes
    kubectl get pods -A
    sleep 20
    kubectl get pods -A

name: k3s Testing
on: push
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: debianmaster/actions-k3s@master
      id: k3s
      with:
        version: 'v1.21.2-k3s1'
    - run: |
        kubectl get nodes

name: Matrix Testing
on: push
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        k8s_version: [latest,v1.21.2-k3s1,v1.20.8-k3s1,v1.19.12-k3s1]
    steps:
    - uses: debianmaster/actions-k3s@master
      id: k3s
      with:
        version: ${{ matrix.k8s_version }}
    - name: Test on k3s
      run: |
        kubectl get nodes

k3s version mapping with k8s

k3s	k8s
v1.21.2-k3s1	v1.21.2
v1.20.8-k3s1	v1.20.8
v1.19.12-k3s1	v1.19.1
v1.18.2-k3s1	v1.18.2
v1.17.4-k3s1	v1.17.4
v1.17.3-k3s1	v1.17.3
v1.17.2-k3s1	v1.17.2
v1.17.0-k3s.1	v1.17.0.
v1.16.9-k3s1	v1.16.9
v0.10.0, 0.10.1, 0.10.2	v1.16.2.
v0.9.0, 0.9.1	v1.15.4
v0.8.1	v1.14.6.
v0.8.0	v1.14.5.
v0.7.0	v1.14.4
0.6.0, 0.6.1	v1.14.3.