Markdium-Restart Kubernetes deployments using HTTP requests

Markdium-YAML.yaml

apiVersion: apps/v1  
kind: Deployment  
metadata:  
  name: restart-helper  
  labels:  
    app: restart-helper  
spec:  
  replicas: 1  
  template:  
    metadata:
      name: restart-helper  
      labels:  
        app: restart-helper  
    spec:  
      # Binds to the previously created service account  
      serviceAccountName: restart-helper  
      containers:  
        - name: restart-helper  
          image: alpine:3.14.0  
          imagePullPolicy: IfNotPresent  
          # The port needs to be the same as the one defined in  
          # go-to-exec configuration  
          ports:  
            - containerPort: 7055  
              name: http  
          readinessProbe:  
            httpGet:  
              port: 7055  
              path: /healthz  
              scheme: HTTP  
          command:  
            - sh  
            - -c  
            - |  
              set -ex  
  
              GOTOEXEC_VERSION="v1.0.5"  
  
              GOTOEXEC="/gotoexec"  
              KUBECTL="/kubectl"  
  
              # Download the required tools  
              wget -O "$GOTOEXEC" "https://github.com/cmaster11/go-to-exec/releases/download/$GOTOEXEC_VERSION/gotoexec-linux-amd64"  
              wget -O "$KUBECTL" "https://dl.k8s.io/release/$(wget -O- https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"  
  
              chmod +x "$GOTOEXEC"  
              chmod +x "$KUBECTL"  
  
              # Defines the configuration for go-to-exec  
              cat << EOF > /config.yaml  
              port: 7055  
  
              listeners:  
  
                "/restart/:type/:name":  
  
                  logOutput: true  
                  logArgs: true  
                  returnOutput: true  
  
                  # Command to run, and list of arguments  
                  command: "$KUBECTL"  
                  args:  
                    # Uncomment to force a specific namespace  
                    # - -n  
                    # - my-namespace  
                    - rollout  
                    - restart  
                    - "{{ .type }}/{{ .name }}"  
              EOF  
    
              # By using `exec`, we replace the current process with  
              # go-to-exec one, which allows the program to receive all  
              # system signals. Necessary for graceful shutdown
              exec $GOTOEXEC
      restartPolicy: Always  
  selector:  
    matchLabels:  
      app: restart-helper