gistfile1.txt

kubectl run -n jgroups-demo ispn -it --rm=true --image=belaban/ispn_perf_test kube.sh

jgroups.sh

#!/bin/bash

# ---------------------------------------------------------------------
# This demo assumes that RBAC is enabled on the Kubernetes cluster.
#
# The serviceaccount, clusterrole and clusterrolebinding provide
# permission for the pods to query K8S api
# ---------------------------------------------------------------------

# Change to a Kubernetes namespace of your preference
export TARGET_NAMESPACE=jgroups-demo

cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Namespace
metadata:
  name: $TARGET_NAMESPACE

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: jgroups-kubeping-service-account
  namespace: $TARGET_NAMESPACE
---

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: jgroups-kubeping-pod-reader
rules:
- apiGroups: [""]
  resources: ["pods"]
  verbs: ["get", "list"]

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: jgroups-kubeping-api-access
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: jgroups-kubeping-pod-reader
subjects:
- kind: ServiceAccount
  name: jgroups-kubeping-service-account
  namespace: $TARGET_NAMESPACE

---

apiVersion: v1
items:
- apiVersion: apps/v1
  kind: Deployment
  metadata:
    annotations:
    name: ispn-perf-test
    namespace: $TARGET_NAMESPACE
  spec:
    replicas: 3
    selector:
      matchLabels:
        run: ispn-perf-test
    template:
      metadata:
        labels:
          run: ispn-perf-test
      spec:
        serviceAccountName: jgroups-kubeping-service-account
        containers:
        - args:
          - /opt/ispn/IspnPerfTest/bin/kube.sh
          - -nohup
          env:
          - name: KUBERNETES_NAMESPACE
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: metadata.namespace
          image: belaban/ispn_perf_test
          name: ispn-perf-test
          resources: {}
          terminationMessagePath: /dev/termination-log
kind: List
metadata: {}

EOF