Failed to resolve publish address - error in eck on-premise deployment with kubeadm kubernetes

Elastic Orchestration Elastic Cloud on Kubernetes (ECK)
1

Hi All,

I have setup a kubernetes cluster with kubeadm where I am trying to deploy the eck , I am trying with the simple deployment mentioned below.

apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: quickstart
  namespace: observability
spec:
  version: 8.2.3
  nodeSets:
    - name: default
      count: 1
      config:
        node.store.allow_mmap: false
      volumeClaimTemplates:
        - metadata:
            name: elasticsearch-data # Do not change this name unless you set up a volume mount for the data path.
          spec:
            accessModes:
              - ReadWriteOnce
            resources:
              requests:
                storage: 5Gi
            storageClassName: local-storage

The issue I am facing is the elasticsearch pod is not able to start , it is throwing the following error:

org.elasticsearch.transport.BindTransportException: Failed to resolve publish address
Likely root cause: java.net.UnknownHostException: quickstart-es-default-0.quickstart-es-default.observability.svc
        at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:948)
        at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1628)
        at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1494)
        at org.elasticsearch.common.network.NetworkService.resolveInternal(NetworkService.java:267)
        at org.elasticsearch.common.network.NetworkService.resolveInetAddresses(NetworkService.java:215)
        at org.elasticsearch.common.network.NetworkService.resolvePublishHostAddresses(NetworkService.java:167)
        at org.elasticsearch.http.AbstractHttpServerTransport.bindServer(AbstractHttpServerTransport.java:171)
        at org.elasticsearch.http.netty4.Netty4HttpServerTransport.doStart(Netty4HttpServerTransport.java:249)
        at org.elasticsearch.xpack.security.transport.netty4.SecurityNetty4HttpServerTransport.doStart(SecurityNetty4HttpServerTransport.java:78)
        at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:48)
        at org.elasticsearch.node.Node.start(Node.java:1246)
        at org.elasticsearch.bootstrap.Bootstrap.start(Bootstrap.java:272)
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:367)
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:169)
        at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:160)
        at org.elasticsearch.common.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:81)
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:112)
        at org.elasticsearch.cli.Command.main(Command.java:77)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:125)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:80)

I have plan to setup the full observability with eck in on premise. But I got stuck with this issue. This was not happening with minikube though ( though there were some other issue ). Any help in this regard is much appreciated.

2

Hi,

I would first try to understand if the issue is related to the Kubernetes cluster itself (for example a problem with CoreDNS). Is Pod/Service name resolution working correctly from other Pods running on the same K8S node where the Elasticsearch Pod is deployed?

3

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