cdk-monitoring-constructs
Version:
[](https://badge.fury.io/js/cdk-monitoring-constructs) [](https://m
39 lines • 6.1 kB
JavaScript
;
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.WafV2MetricFactory = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const common_1 = require("../../common");
const MetricNamespace = "AWS/WAFV2";
/**
* https://docs.aws.amazon.com/waf/latest/developerguide/monitoring-cloudwatch.html
*/
class WafV2MetricFactory extends common_1.BaseMetricFactory {
constructor(metricFactory, props) {
super(metricFactory, props);
if (props.acl.scope === "REGIONAL" && !props.region) {
throw new Error(`region is required if CfnWebACL has "REGIONAL" scope`);
}
this.dimensions = {
Rule: "ALL",
WebACL: props.acl.name,
...(props.acl.scope === "REGIONAL" && { Region: props.region }),
};
}
metricAllowedRequests() {
return this.metricFactory.createMetric("AllowedRequests", common_1.MetricStatistic.SUM, "Allowed", this.dimensions, undefined, MetricNamespace, undefined, this.region, this.account);
}
metricBlockedRequests() {
return this.metricFactory.createMetric("BlockedRequests", common_1.MetricStatistic.SUM, "Blocked", this.dimensions, undefined, MetricNamespace, undefined, this.region, this.account);
}
metricBlockedRequestsRate() {
return this.metricFactory.createMetricMath("100 * (blocked / (allowed + blocked))", {
allowed: this.metricAllowedRequests(),
blocked: this.metricBlockedRequests(),
}, "Blocked (rate)");
}
}
exports.WafV2MetricFactory = WafV2MetricFactory;
_a = JSII_RTTI_SYMBOL_1;
WafV2MetricFactory[_a] = { fqn: "cdk-monitoring-constructs.WafV2MetricFactory", version: "10.2.0" };
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