exports.handler = function()

in functions/stream-logs/stream-logs.js [31:68]

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

exports.handler = function(input, context) {

    // decode input from base64
    var zippedInput = new Buffer.from(input.awslogs.data, 'base64');

    // decompress the input
    zlib.gunzip(zippedInput, function(error, buffer) {
        if (error) { context.fail(error); return; }

        // parse the input from JSON
        var awslogsData = JSON.parse(buffer.toString('utf8'));

        // transform the input to Elasticsearch documents
        var elasticsearchBulkData = transform(awslogsData);

        // skip control messages
        if (!elasticsearchBulkData) {
            console.log('Received a control message');
            context.succeed('Control message handled successfully');
            return;
        }

        // post documents to the Amazon Elasticsearch Service
        post(elasticsearchBulkData, function(error, success, statusCode, failedItems) {
            console.log('Response: ' + JSON.stringify({ 
                "statusCode": statusCode 
            }));

            if (error) {
                logFailure(error, failedItems);
                context.fail(JSON.stringify(error));
            } else {
                console.log('Success: ' + JSON.stringify(success));
                context.succeed('Success');
            }
        });
    });
};