cdk-monitoring-constructs
Version:
[](https://badge.fury.io/js/cdk-monitoring-constructs) [](https://m
71 lines • 9.46 kB
JavaScript
;
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.BitmapWidgetRenderingSupport = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const path = require("path");
const aws_cdk_lib_1 = require("aws-cdk-lib");
const aws_iam_1 = require("aws-cdk-lib/aws-iam");
const aws_lambda_1 = require("aws-cdk-lib/aws-lambda");
const aws_logs_1 = require("aws-cdk-lib/aws-logs");
const constructs_1 = require("constructs");
const CustomWidget_1 = require("./CustomWidget");
/**
* Support for rendering bitmap widgets on the server side.
* It is a custom widget lambda with some additional roles and helper methods.
*/
class BitmapWidgetRenderingSupport extends constructs_1.Construct {
constructor(scope, id) {
super(scope, id);
this.handler = new aws_lambda_1.Function(this, "Lambda", {
code: aws_lambda_1.Code.fromAsset(path.join(__dirname, "..", "..", "..", "assets", "BitmapWidgetRenderingSupport")),
description: "Custom Widget Render for Bitmap Widgets (cdk-monitoring-constructs)",
handler: "index.handler",
memorySize: 128,
runtime: aws_lambda_1.determineLatestNodeRuntime(this),
timeout: aws_cdk_lib_1.Duration.seconds(60),
logGroup: new aws_logs_1.LogGroup(this, "LambdaLogs", {
retention: aws_logs_1.RetentionDays.ONE_DAY,
removalPolicy: aws_cdk_lib_1.RemovalPolicy.RETAIN_ON_UPDATE_OR_DELETE,
}),
});
this.handler.addToRolePolicy(new aws_iam_1.PolicyStatement({
actions: ["cloudwatch:GetMetricWidgetImage"],
effect: aws_iam_1.Effect.ALLOW,
resources: ["*"],
}));
aws_cdk_lib_1.Tags.of(this.handler).add("cw-custom-widget", "describe:readOnly");
}
asBitmap(widget) {
const props = this.getWidgetProperties(widget);
// remove the title from the graph and remember it
const { title, ...graph } = props;
return new CustomWidget_1.CustomWidget({
// move the original title here
title,
width: widget.width,
height: widget.height,
// empty the inner title since we already have it on the whole widget
handlerParams: { graph: { ...graph, title: " " } },
handler: this.handler,
updateOnRefresh: true,
updateOnResize: true,
updateOnTimeRangeChange: true,
});
}
getWidgetProperties(widget) {
const graphs = widget.toJson();
if (graphs.length != 1) {
throw new Error("Number of objects in the widget definition must be exactly one.");
}
const graph = graphs[0];
if (!graph.properties) {
throw new Error("No graph properties: " + graph);
}
return graph.properties;
}
}
exports.BitmapWidgetRenderingSupport = BitmapWidgetRenderingSupport;
_a = JSII_RTTI_SYMBOL_1;
BitmapWidgetRenderingSupport[_a] = { fqn: "cdk-monitoring-constructs.BitmapWidgetRenderingSupport", version: "9.15.2" };
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