jobset-with-network.yaml

apiVersion: jobset.x-k8s.io/v1alpha2
kind: JobSet
metadata:
  name: network-jobset
spec:
  network:
    # this field allows pods to be reached via their hostnames
    # hostname: <jobSet.name>-<spec.replicatedJob.name>-<job-index>-<pod-index>.<subdomain>
    # example: network-jobset-leader-0-0.example
    enableDNSHostnames: true
    # subdomain is a field for a network subdomain name
    # defaults to <jobSet.name> if not set.
    subdomain: example
    # this field indicates if DNS records of pods should be published before the pods are ready.
    # default to true
    publishNotReadyAddresses: true
  replicatedJobs:
    - name: leader
      replicas: 1
      template:
        spec:
          backoffLimit: 0
          completions: 1
          parallelism: 1
          template:
            spec:
              containers:
                - name: leader
                  image: bash:latest
                  command:
                    - bash
                    - -xc
                    - |
                      sleep 3600
    - name: workers
      replicas: 1
      template:
        spec:
          backoffLimit: 0
          completions: 2
          parallelism: 2
          template:
            spec:
              containers:
                - name: worker
                  image: bash:latest
                  command:
                    - bash
                    - -xc
                    - |
                      sleep 20
                      success_count=0
                      for i in {1..2}; do
                        if ping -c 1 network-jobset-leader-0-0.example; then
                          ((success_count++))
                        fi
                      done
                      if [[ $success_count -eq 2 ]]; then
                        echo "leader is up"
                      fi
                      while true; do sleep 3600; done