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wso2-hazelcast-health-check

Health checker for monitoring the hazelcast cluster status

Build

Clone the repository and in the directory where the pom file is located, issue the following command to build the project.

mvn clean install

Deploy

After successfully building the project, the resulting jar file can be retrieved from the target directory. (the already built jar is included in the release section) copy the resulting jar to the <IS_HOME>/repository/components/dropins/ directory.

The health check API and this health checker can be enabled by adding the following configurations in the deployment.toml.

[carbon_health_check]
enable= true

[[health_checker]]
name = "HazelcastHealthChecker"
order="87"

Testing

Start the server and send a GET request to the health check API

Sample curl request :

curl -k -v https://localhost:9443/api/health-check/v1.0/health

Response :

{
    "health": [
        {
            "key": "cluster.status",
            "value": "ACTIVE"
        },
        {
            "key": "cluster.members",
            "value": "2"
        }
    ]
}