cdk-nag
Version:
Check CDK v2 applications for best practices using a combination on available rule packs.
61 lines • 8.01 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/*
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
const path_1 = require("path");
const aws_cdk_lib_1 = require("aws-cdk-lib");
const aws_redshift_1 = require("aws-cdk-lib/aws-redshift");
const nag_rules_1 = require("../../nag-rules");
/**
* Redshift clusters require TLS/SSL encryption
* @param node the CfnResource to check
*/
exports.default = Object.defineProperty((node) => {
if (node instanceof aws_redshift_1.CfnCluster) {
const clusterParameterGroupName = nag_rules_1.NagRules.resolveResourceFromInstrinsic(node, node.clusterParameterGroupName);
if (clusterParameterGroupName === undefined) {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
let found = false;
for (const child of aws_cdk_lib_1.Stack.of(node).node.findAll()) {
if (child instanceof aws_redshift_1.CfnClusterParameterGroup) {
if (isMatchingParameterGroup(child, clusterParameterGroupName)) {
found = true;
break;
}
}
}
if (!found) {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
return nag_rules_1.NagRuleCompliance.COMPLIANT;
}
else {
return nag_rules_1.NagRuleCompliance.NOT_APPLICABLE;
}
}, 'name', { value: path_1.parse(__filename).name });
/**
* Helper function to check whether the Parameter Group enforces SSL and is associated with the given Redshift cluster
* @param node the CfnClusterParameterGroup to check
* @param parameterGroupName The name of the associated parameter group
* returns whether the CfnClusterParameterGroup enforces SSL and is associated given Redshift cluster
*/
function isMatchingParameterGroup(node, parameterGroupName) {
const parameterGroupLogicalId = nag_rules_1.NagRules.resolveResourceFromInstrinsic(node, node.ref);
if (parameterGroupName !== parameterGroupLogicalId ||
node.parameters == undefined) {
return false;
}
const parameters = aws_cdk_lib_1.Stack.of(node).resolve(node.parameters);
for (const parameter of parameters) {
const resolvedParameter = aws_cdk_lib_1.Stack.of(node).resolve(parameter);
if (resolvedParameter.parameterName.toLowerCase() == 'require_ssl' &&
resolvedParameter.parameterValue.toLowerCase() == 'true') {
return true;
}
}
return false;
}
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