@aws-cdk/aws-kinesisanalytics-flink-alpha
Version:
A CDK Construct Library for Kinesis Analytics Flink applications
49 lines • 6.14 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.flinkApplicationConfiguration = flinkApplicationConfiguration;
/**
* Build the nested Cfn FlinkApplicationConfiguration object. This function
* doesn't return empty config objects, returning the minimal config needed to
* express the supplied properties.
*
* This function also handles the quirky configType: 'CUSTOM' setting required
* whenever config in one of the nested groupings.
*/
function flinkApplicationConfiguration(config) {
const checkpointConfiguration = configFor({
checkpointingEnabled: config.checkpointingEnabled,
checkpointInterval: config.checkpointInterval?.toMilliseconds(),
minPauseBetweenCheckpoints: config.minPauseBetweenCheckpoints?.toMilliseconds(),
});
const monitoringConfiguration = configFor({
logLevel: config.logLevel,
metricsLevel: config.metricsLevel,
});
const parallelismConfiguration = configFor({
autoScalingEnabled: config.autoScalingEnabled,
parallelism: config.parallelism,
parallelismPerKpu: config.parallelismPerKpu,
});
const applicationConfiguration = {
checkpointConfiguration,
monitoringConfiguration,
parallelismConfiguration,
};
if (isEmptyObj(applicationConfiguration)) {
return;
}
return applicationConfiguration;
}
function configFor(config) {
if (isEmptyObj(config)) {
return;
}
return {
...config,
configurationType: 'CUSTOM',
};
}
function isEmptyObj(obj) {
return Object.values(obj).every(v => v === undefined);
}
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