@aws-cdk/aws-logs/lib/metric-filter.js

"use strict";
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetricFilter = void 0;
const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const aws_cloudwatch_1 = require("@aws-cdk/aws-cloudwatch");
const core_1 = require("@aws-cdk/core");
const logs_generated_1 = require("./logs.generated");
/**
 * A filter that extracts information from CloudWatch Logs and emits to CloudWatch Metrics
 */
class MetricFilter extends core_1.Resource {
    constructor(scope, id, props) {
        super(scope, id);
        try {
            jsiiDeprecationWarnings._aws_cdk_aws_logs_MetricFilterProps(props);
        }
        catch (error) {
            if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
                Error.captureStackTrace(error, MetricFilter);
            }
            throw error;
        }
        this.metricName = props.metricName;
        this.metricNamespace = props.metricNamespace;
        // It looks odd to map this object to a singleton list, but that's how
        // we're supposed to do it according to the docs.
        //
        // > Currently, you can specify only one metric transformation for
        // > each metric filter. If you want to specify multiple metric
        // > transformations, you must specify multiple metric filters.
        //
        // https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-logs-metricfilter.html
        new logs_generated_1.CfnMetricFilter(this, 'Resource', {
            logGroupName: props.logGroup.logGroupName,
            filterPattern: props.filterPattern.logPatternString,
            metricTransformations: [{
                    metricNamespace: props.metricNamespace,
                    metricName: props.metricName,
                    metricValue: props.metricValue ?? '1',
                    defaultValue: props.defaultValue,
                }],
        });
    }
    /**
     * Return the given named metric for this Metric Filter
     *
     * @default avg over 5 minutes
     */
    metric(props) {
        return new aws_cloudwatch_1.Metric({
            metricName: this.metricName,
            namespace: this.metricNamespace,
            statistic: 'avg',
            ...props,
        }).attachTo(this);
    }
}
exports.MetricFilter = MetricFilter;
_a = JSII_RTTI_SYMBOL_1;
MetricFilter[_a] = { fqn: "@aws-cdk/aws-logs.MetricFilter", version: "1.204.0" };
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