Unable to start elastic search in AKS cluster, throwing bootstrap errors

Elastic Stack Elasticsearch
1

PFB errors

{"@timestamp":"2022-11-15T05:06:07.108Z", "log.level": "INFO", "message":"Native controller process has stopped - no new native processes can be started", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"ml-cpp-log-tail-thread","log.logger":"org.elasticsearch.xpack.ml.process.NativeController","elasticsearch.node.name":"es-cluster-0","elasticsearch.cluster.name":"k8s-logs"}
{"@timestamp":"2022-11-15T05:06:07.110Z", "log.level":"ERROR", "message":"uncaught exception in thread [process reaper (pid 87)]", "ecs.version": "1.2.0","service.name":"ES_ECS","event.dataset":"elasticsearch.server","process.thread.name":"process reaper (pid 87)","log.logger":"org.elasticsearch.bootstrap.ElasticsearchUncaughtExceptionHandler","elasticsearch.node.name":"es-cluster-0","error.type":"java.security.AccessControlException","error.message":"access denied (\"java.lang.RuntimePermission\" \"modifyThread\")","error.stack_trace":"java.security.AccessControlException: access denied (\"java.lang.RuntimePermission\" \"modifyThread\")\n\tat java.base/java.security.AccessControlContext.checkPermission(AccessControlContext.java:485)\n\tat java.base/java.security.AccessController.checkPermission(AccessController.java:1068)\n\tat java.base/java.lang.SecurityManager.checkPermission(SecurityManager.java:411)\n\tat org.elasticsearch.securesm@8.5.0/org.elasticsearch.secure_sm.SecureSM.checkThreadAccess(SecureSM.java:166)\n\tat org.elasticsearch.securesm@8.5.0/org.elasticsearch.secure_sm.SecureSM.checkAccess(SecureSM.java:120)\n\tat java.base/java.lang.Thread.checkAccess(Thread.java:2360)\n\tat java.base/java.lang.Thread.setDaemon(Thread.java:2308)\n\tat java.base/java.lang.ProcessHandleImpl.lambda$static$0(ProcessHandleImpl.java:103)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:637)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:928)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1021)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1158)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)\n\tat java.base/java.lang.Thread.run(Thread.java:1589)\n\tat java.base/jdk.internal.misc.InnocuousThread.run(InnocuousThread.java:186)\n"}

Elastic search configmap

cluster.name: es-cluster
node.name: es-cluster-0
discovery.seed_hosts: es-cluster-0.elasticsearch,es-cluster-1.elasticsearch,es-cluster-2.elasticsearch
cluster.initial_master_nodes: es-cluster-0
network.host: 0.0.0.0
node:
  master: true
  data: false
  ingest: false
xpack.security.enabled: true
xpack.monitoring.collection.enabled: true


apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: es-cluster
spec:
  serviceName: elasticsearch
  replicas: 3
  selector:
    matchLabels:
      app: elasticsearch
  template:
    metadata:
      labels:
        app: elasticsearch
    spec:
      containers:
      - name: elasticsearch
        image: docker.elastic.co/elasticsearch/elasticsearch:8.5.0
        resources:
            limits:
              cpu: 1000m
            requests:
              cpu: 100m
        ports:
        - containerPort: 9200
          name: rest
          protocol: TCP
        - containerPort: 9300
          name: inter-node
          protocol: TCP
        volumeMounts:
        - name: data
          mountPath: /usr/share/elasticsearch/data
        env:
          - name: cluster.name
            value: k8s-logs
          - name: node.name
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: discovery.seed_hosts
            value: "es-cluster-0.elasticsearch,es-cluster-1.elasticsearch,es-cluster-2.elasticsearch"
          - name: cluster.initial_master_nodes
            value: "es-cluster-0,es-cluster-1,es-cluster-2"
          - name: ES_JAVA_OPTS
            value: "-Xms1024m -Xmx2048m"
      nodeSelector:
        app: aks1
      initContainers:
      - name: fix-permissions
        image: busybox
        command: ["sh", "-c", "chown -R 1000:1000 /usr/share/elasticsearch/data"]
        securityContext:
          privileged: true
        volumeMounts:
        - name: data
          mountPath: /usr/share/elasticsearch/data
      - name: increase-vm-max-map
        image: busybox
        command: ["sysctl", "-w", "vm.max_map_count=262144"]
        securityContext:
          privileged: true
      - name: increase-fd-ulimit
        image: busybox
        command: ["sh", "-c", "ulimit -n 65536"]
        securityContext:
          privileged: true
  volumeClaimTemplates:
  - metadata:
      name: data
      labels:
        app: elasticsearch
    spec:
      accessModes: [ "ReadWriteOnce" ]
      storageClassName: default
      resources:
        requests:
          storage: 200Gi

Similar settings worked for version 7.3 version

2

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