sealos/controllers/terminal

Terminal CRD

apiVersion: terminal.sealos.io/v1
kind: Terminal
metadata:
  name: terminal-sample
  annotations:
    lastUpdateTime: "2022-08-09T15:22:49+08:00"
spec:
  user: ccl
  token: abcdefg
  apiServer: https://192.168.49.2:8443
  keepalived: 5h
  ttyImage: ghcr.io/cuisongliu/go-docker-dev:1.18.4
  replicas: 1
  ingressType: nginx

TerminalSpec

• user(string)

• token(string)

• keepalived(string)

• apiServer(string)

  APIServer address of the cluster. Default to "https://kubernetes.default.svc.cluster.local:443"

• ttyImage(string)

  TTY Image Name.

• replicas(int32)

  Number of desired pods in Deployment.

• ingressType(string)

  Ingress Type, nginx. Default to nginx.

Usage

1. run kubectl apply terminal.yaml
2. run kubectl get terminal terminal-name -o template --template={{.status.domain}} to get terminal address.
3. visit terminal address.

Keep terminal alived

Client should regularly update the lastUpdateTime in annotations to keep the terminal alived. The Cluster will delete the terminal if client does not update the annotations after the time that specified in keepalived filed in TerminalSpec. The lastUpdateTime follows the RFC3339 format.

Log

The log module that terminal controller uses is "sigs.k8s.io/controller-runtime/pkg/log", which is the default log module of kubebuilder.