@lpezet/hpcc-cluster/lib/mods/status.js

HPCC Cluster management in JS

const Promises = require('../promises');

ModClass = function( pHpccCluster, pLogger, pUtils, pCloudClient ) {
	
	pHpccCluster.mod( 'status', this, this.handle );
	this.mLogger = pLogger;
	this.mUtils = pUtils;
	this.mCloudClient = pCloudClient;
	this.mRoot = pHpccCluster;
}

ModClass.prototype.handle = function( pConfig, pParameters ) {
	var that = this;
	try {
		var oCheckStackExists = function() {
			return that.mCloudClient.stack_exists( pConfig.Cluster.Name, pConfig.Cluster.Name );
		}
		var oGetAllEC2InstanceIds = function() {
			return that.mCloudClient.get_all_ec2_instance_ids_from_cluster( pConfig.Cluster.Name );
		}
		var oListEC2InstancesStatus = function( pInstanceIds ) {
			return that.mCloudClient.describe_ec2_status( pInstanceIds, pParameters["outputToConsole"] );
		}
		var oSaveState = function( pData ) {
			return new Promise( function( resolve, reject ) {
				var ret = function() {
					resolve( pData );
				}
				that.mRoot.save_state( pConfig, pData ).then( ret, ret ); // reset state, ignore error when saving state
			});
		}
		
		var oSequence = [ oCheckStackExists, oGetAllEC2InstanceIds, oListEC2InstancesStatus, oSaveState ];
		return Promises.seq( oSequence, {} );
	} catch ( e ) {
		return Promise.reject( e );
	}
};


exports = module.exports = ModClass;