Disabling GCE discovery Can not get list of nodes – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch is unable to retrieve the list of nodes from Google Compute Engine (GCE) for cluster discovery. This could be due to network issues, incorrect configuration, or insufficient permissions. To resolve this, ensure that the OpenSearch node has the correct permissions to access GCE. Also, verify your GCE discovery settings in the OpenSearch configuration file. If the issue persists, check your network connectivity and firewall settings to ensure that OpenSearch can communicate with GCE.

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This guide will help you check for common problems that cause the log ” disabling GCE discovery. Can not get list of nodes ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: discovery-gce, plugins, discovery.

Log Context

Log “disabling GCE discovery. Can not get list of nodes” classname is GceInstancesServiceImpl.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            a.addAll(b);
            return a;
        });

        if (instances.isEmpty()) {
            logger.warn("disabling GCE discovery. Can not get list of nodes");
        }

        return instances;
    }

 

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