conan/pseudo/upsertLambdaByNameStep.js

Barbarically simple framework for building deployment systems.

export default function upsertLambdaByNameStep(conan, context, done) {
	const lambda = new context.dependencies.aws.Lambda({"region": conan.config.region});
	if(context.results.lambda && context.results.lambda.found === true) {
		let lambdaParameters = {
			"FunctionName": context.parameters.name,
			"Description": context.parameters.description,
			"Handler": context.parameters.handler,
			"MemorySize": context.parameters.memorySize,
			"Role": context.parameters.role,
			"Timeout": context.parameters.timeout
		};
		const result = { lambda: { name: context.parameters.name } };
		lambda.updateFunctionConfiguration(lambdaParameters,
			(error, response) => {
				if(!error && response) {
					result.lambda.response = response;
					lambdaParameters = {
						"FunctionName": context.parameters.name,
						"S3Bucket": context.results.s3Bucket,
						"S3Key": context.results.s3Key,
						"S3ObjectVersion": context.results.s3ObjectVersion,
						"Publish": context.parameters.publish
					};
					lambda.updateFunctionCode(lambdaParameters,
						(updateCodeError, updateCodeResponse) => {
							if(!updateCodeError && updateCodeResponse) {
								result.lambda.response.Code = updateCodeResponse;
								done(null, result);
							} else {
								done(updateCodeError);
							}
						}
					);
				} else {
					done(error);
				}
			});
	} else {
		const lambdaParameters = {
			"Code": {
				"S3Bucket": context.results.s3Bucket,
				"S3Key": context.results.s3Key,
				"S3ObjectVersion": context.results.s3ObjectVersion
			},
			"FunctionName": context.parameters.name,
			"Description": context.parameters.description,
			"Handler": context.parameters.handler,
			"MemorySize": context.parameters.memorySize,
			"Publish": context.parameters.publish,
			"Role": context.parameters.role,
			"Runtime": context.parameters.runtime,
			"Timeout": context.parameters.timeout
		};
		const result = { lambda: { name: context.parameters.name } };
		lambda.createFunction(lambdaParameters,
			(error, response) => {
				if(!error && response) {
					result.lambda.response = response;
					done(null, result);
				} else {
					done(error);
				}
			});
	}
}