Umbrella Issue: kubeadm operator v0.1.0

[pacoxu]

Goals

• upgrade support for v1.n-1.x to v1.n.y
• • tested v1.23.5 - v1.23.6
• • tested v1.23.5 - v1.24.0
• • tested v1.23.5 - v1.23.5
• • tested v1.23.5 - v1.23.5-lts.1
• dry-run upgrade support for v1.n-1.x to v1.n.y
• • tested
• renew certs
• • tested
• upgrade from v1.n-2 to v1.n
• • tested v1.22.5 - v1.24.0 cross version upgration support like: v1.20 to v1.24 #73
• upgrade: download binary
• • tested
• custom runtime task group
• • tested

Non-Goals / Feature Supports

• non-root : use non-root user: currently the /etc/kubernetes need root permissions #34
• real dry-run upgrade support for v1.n-1.x to v1.n.y
• • tested

[pacoxu]

Renew Demo

apiVersion: operator.kubeadm.x-k8s.io/v1alpha1
kind: Operation
metadata:
  name: renew
spec:
  executionMode: Auto
  renewCertificates: {}

[pacoxu]

Upgrade Demo

apiVersion: operator.kubeadm.x-k8s.io/v1alpha1
kind: Operation
metadata:
  name: upgrade
spec:
  executionMode: Auto
  upgrade:
    kubernetesVersion: v1.24.0
    local: false

[pacoxu]

Upgrade Demo(Dry-Run)

apiVersion: operator.kubeadm.x-k8s.io/v1alpha1
kind: Operation
metadata:
  name: upgrade
spec:
  executionMode: DryRun
  upgrade:
    kubernetesVersion: v1.24.0
    local: false