Dimensions: buildDimensions()

in code/log-processing/src/lib/logging/logger.js [145:173]

• 14 lines of code
• 2 McCabe index (conditional complexity)

                Dimensions: buildDimensions(service, options),
                Timestamp: new Date(),
                Unit: unit,
                Value: value
            },
        ],
        Namespace: namespace
    };
    return metric
}


/**
 * Builds correct format for custom metric dimensions from args.
 *  
 * CloudWatch accepts a max of 10 dimensions per metric
 * we include service name as a dimension
 * so we take up to 9 values as additional dimensions
 * before we return our dimensions array
 * 
 * @param   {JSON}  service             Service dimension. (e.g. {service: 'value'}) 
 * @param   {JSON}  extra_dimensions    Extra metric dimensions and. Optional. (e.g. {customer: customerId})
 * 
 * @returns {Array} Dimensions in the form of [{Name: 'dim1', Value: 'val1'}, {Name: 'dim10', Value: 'val10'}]  
 */
const buildDimensions = (service, extra_dimensions) => {
    let dimensions = [{ Name: 'service', Value: service }]
    if (extra_dimensions) {
        Object.keys(extra_dimensions).forEach(k => {