cloud-report/analyzers/aws/lambda/dead_letter_queue_configured.js

Collects and analyzes cloud resources

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const types_1 = require("../../../types");
const base_1 = require("../../base");
class LambdaDeadLetterQueueAnalyzer extends base_1.BaseAnalyzer {
    analyze(params, fullReport) {
        const allFunctions = params.functions;
        if (!allFunctions) {
            return undefined;
        }
        const dead_letter_queue_configured = { type: types_1.CheckAnalysisType.Reliability };
        dead_letter_queue_configured.what = "Is dead letter queue (DLQ) configured for Lambda functions?";
        dead_letter_queue_configured.why = `When we configure DLQ then Lambda function will pushes
        all the failure events into the queue for further investigation.`;
        dead_letter_queue_configured.recommendation = "Recommended to configure DLQ for all the Lambda functions";
        dead_letter_queue_configured.benchmark = ['all'];
        const allRegionsAnalysis = {};
        for (const region in allFunctions) {
            const regionFunctions = allFunctions[region];
            allRegionsAnalysis[region] = [];
            for (const fn of regionFunctions) {
                const functionAnalysis = {};
                functionAnalysis.resource = fn;
                functionAnalysis.resourceSummary = {
                    name: "Function",
                    value: fn.FunctionName,
                };
                if (fn.DeadLetterConfig && fn.DeadLetterConfig.TargetArn) {
                    functionAnalysis.severity = types_1.SeverityStatus.Good;
                    functionAnalysis.message = "Dead Letter Queue is configured";
                }
                else {
                    functionAnalysis.severity = types_1.SeverityStatus.Warning;
                    functionAnalysis.message = "Dead Letter Queue is not configured";
                    functionAnalysis.action = "Configure DLQ";
                }
                allRegionsAnalysis[region].push(functionAnalysis);
            }
        }
        dead_letter_queue_configured.regions = allRegionsAnalysis;
        return { dead_letter_queue_configured };
    }
}
exports.LambdaDeadLetterQueueAnalyzer = LambdaDeadLetterQueueAnalyzer;