export async function handler()

in src/removeNode.ts [7:26]

• 16 lines of code
• 3 McCabe index (conditional complexity)

export async function handler(event: TargetAndNewNodeResponse): Promise<TargetAndNewNodeResponse> {

    const targetInstance: Instance = event.targetElasticSearchNode.ec2Instance;
    const newestInstance: Instance = event.newestElasticsearchNode.ec2Instance;
    const elasticsearchClient = new Elasticsearch(newestInstance.id)

    if (event.targetElasticSearchNode.isMasterEligible) try {
        console.log(`attempting to smoothly shutdown master-eligible node: ${targetInstance.id}`);
        await ssmCommand("systemctl stop elasticsearch", targetInstance.id, false);
    } catch(error) {
        console.log(`Will still attempt to terminate ${targetInstance.id} after best effort at gentle shutdown not completed due to: ${error}`);
    }

    await Promise.all([
        terminateInstanceInASG(targetInstance),
        elasticsearchClient.excludeFromAllocation("") // Don't exclude any ips
    ]);

    return event;
}