cdk-nag
Version:
Check CDK v2 applications for best practices using a combination on available rule packs.
94 lines • 14.7 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_applicationautoscaling_1 = require("aws-cdk-lib/aws-applicationautoscaling");
const aws_dynamodb_1 = require("aws-cdk-lib/aws-dynamodb");
const nag_rules_1 = require("../../nag-rules");
/**
* Provisioned capacity DynamoDB tables have auto-scaling enabled on their indexes
* @param node the CfnResource to check
*/
exports.default = Object.defineProperty((node) => {
if (node instanceof aws_dynamodb_1.CfnTable) {
if (nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, node.billingMode) !==
aws_dynamodb_1.BillingMode.PAY_PER_REQUEST) {
const indexWriteMatches = [''];
const indexReadMatches = [''];
const tableLogicalId = nag_rules_1.NagRules.resolveResourceFromIntrinsic(node, node.ref);
const tableName = aws_cdk_lib_1.Stack.of(node).resolve(node.tableName);
const globalSecondaryIndexes = aws_cdk_lib_1.Stack.of(node).resolve(node.globalSecondaryIndexes);
if (Array.isArray(globalSecondaryIndexes)) {
globalSecondaryIndexes.forEach((gsi) => {
const resolvedGsi = aws_cdk_lib_1.Stack.of(node).resolve(gsi);
indexWriteMatches.push(resolvedGsi.indexName);
indexReadMatches.push(resolvedGsi.indexName);
});
}
for (const child of aws_cdk_lib_1.Stack.of(node).node.findAll()) {
if (child instanceof aws_applicationautoscaling_1.CfnScalableTarget) {
const writeMatchIndex = isMatchingScalableTarget(child, 'WriteCapacityUnits', tableLogicalId, tableName, indexWriteMatches);
if (writeMatchIndex !== -1) {
indexWriteMatches.splice(writeMatchIndex, 1);
continue;
}
const readMatchIndex = isMatchingScalableTarget(child, 'ReadCapacityUnits', tableLogicalId, tableName, indexReadMatches);
if (readMatchIndex !== -1) {
indexReadMatches.splice(readMatchIndex, 1);
}
}
}
if (indexWriteMatches.length != 0 || indexReadMatches.length != 0) {
return nag_rules_1.NagRuleCompliance.NON_COMPLIANT;
}
}
return nag_rules_1.NagRuleCompliance.COMPLIANT;
}
else {
return nag_rules_1.NagRuleCompliance.NOT_APPLICABLE;
}
}, 'name', { value: (0, path_1.parse)(__filename).name });
/**
* Helper function to check whether the CfnScalableTarget is related to the given Table index
* @param node the CfnScalableTarget to check
* @param dimension the dimension of the CfnScalableTarget to check
* @param tableLogicalId the Cfn Logical ID of the table
* @param tableName the name of the table
* @param indexNames the names of the indexes to check against
* returns the location in the indexNames array of the matching index or -1 if no match is found
*/
function isMatchingScalableTarget(node, dimension, tableLogicalId, tableName, indexNames) {
if (node.serviceNamespace === 'dynamodb') {
let scalableDimension = '';
const resourceId = JSON.stringify(aws_cdk_lib_1.Stack.of(node).resolve(node.resourceId));
for (let i = 0; i < indexNames.length; i++) {
const regexes = Array();
const indexName = indexNames[i];
if (indexName === '') {
regexes.push(`${tableLogicalId}.*`);
if (tableName !== undefined) {
regexes.push(`${tableName}.*`);
}
scalableDimension = `dynamodb:table:${dimension}`;
}
else {
regexes.push(`${tableLogicalId}.*index\/${indexName}(?![\\w\\-_\\.])`);
if (tableName !== undefined) {
regexes.push(`${tableName}.*index\/${indexName}(?![\\w\\-_\\.])`);
}
scalableDimension = `dynamodb:index:${dimension}`;
}
const regex = new RegExp(regexes.join('|'), 'gm');
if (node.scalableDimension === scalableDimension &&
regex.test(resourceId)) {
return i;
}
}
}
return -1;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"DynamoDBAutoScalingEnabled.js","sourceRoot":"","sources":["../../../src/rules/dynamodb/DynamoDBAutoScalingEnabled.ts"],"names":[],"mappings":";;AAAA;;;EAGE;AACF,+BAA6B;AAC7B,6CAAiD;AACjD,uFAA2E;AAC3E,2DAAiE;AACjE,+CAA8D;AAE9D;;;GAGG;AAEH,kBAAe,MAAM,CAAC,cAAc,CAClC,CAAC,IAAiB,EAAqB,EAAE;IACvC,IAAI,IAAI,YAAY,uBAAQ,EAAE,CAAC;QAC7B,IACE,oBAAQ,CAAC,4BAA4B,CAAC,IAAI,EAAE,IAAI,CAAC,WAAW,CAAC;YAC7D,0BAAW,CAAC,eAAe,EAC3B,CAAC;YACD,MAAM,iBAAiB,GAAG,CAAC,EAAE,CAAC,CAAC;YAC/B,MAAM,gBAAgB,GAAG,CAAC,EAAE,CAAC,CAAC;YAC9B,MAAM,cAAc,GAAG,oBAAQ,CAAC,4BAA4B,CAC1D,IAAI,EACJ,IAAI,CAAC,GAAG,CACT,CAAC;YACF,MAAM,SAAS,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;YACzD,MAAM,sBAAsB,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CACnD,IAAI,CAAC,sBAAsB,CAC5B,CAAC;YACF,IAAI,KAAK,CAAC,OAAO,CAAC,sBAAsB,CAAC,EAAE,CAAC;gBAC1C,sBAAsB,CAAC,OAAO,CAAC,CAAC,GAAG,EAAE,EAAE;oBACrC,MAAM,WAAW,GAAG,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;oBAChD,iBAAiB,CAAC,IAAI,CAAC,WAAW,CAAC,SAAS,CAAC,CAAC;oBAC9C,gBAAgB,CAAC,IAAI,CAAC,WAAW,CAAC,SAAS,CAAC,CAAC;gBAC/C,CAAC,CAAC,CAAC;YACL,CAAC;YACD,KAAK,MAAM,KAAK,IAAI,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,OAAO,EAAE,EAAE,CAAC;gBAClD,IAAI,KAAK,YAAY,8CAAiB,EAAE,CAAC;oBACvC,MAAM,eAAe,GAAG,wBAAwB,CAC9C,KAAK,EACL,oBAAoB,EACpB,cAAc,EACd,SAAS,EACT,iBAAiB,CAClB,CAAC;oBACF,IAAI,eAAe,KAAK,CAAC,CAAC,EAAE,CAAC;wBAC3B,iBAAiB,CAAC,MAAM,CAAC,eAAe,EAAE,CAAC,CAAC,CAAC;wBAC7C,SAAS;oBACX,CAAC;oBACD,MAAM,cAAc,GAAG,wBAAwB,CAC7C,KAAK,EACL,mBAAmB,EACnB,cAAc,EACd,SAAS,EACT,gBAAgB,CACjB,CAAC;oBACF,IAAI,cAAc,KAAK,CAAC,CAAC,EAAE,CAAC;wBAC1B,gBAAgB,CAAC,MAAM,CAAC,cAAc,EAAE,CAAC,CAAC,CAAC;oBAC7C,CAAC;gBACH,CAAC;YACH,CAAC;YACD,IAAI,iBAAiB,CAAC,MAAM,IAAI,CAAC,IAAI,gBAAgB,CAAC,MAAM,IAAI,CAAC,EAAE,CAAC;gBAClE,OAAO,6BAAiB,CAAC,aAAa,CAAC;YACzC,CAAC;QACH,CAAC;QACD,OAAO,6BAAiB,CAAC,SAAS,CAAC;IACrC,CAAC;SAAM,CAAC;QACN,OAAO,6BAAiB,CAAC,cAAc,CAAC;IAC1C,CAAC;AACH,CAAC,EACD,MAAM,EACN,EAAE,KAAK,EAAE,IAAA,YAAK,EAAC,UAAU,CAAC,CAAC,IAAI,EAAE,CAClC,CAAC;AAEF;;;;;;;;GAQG;AACH,SAAS,wBAAwB,CAC/B,IAAuB,EACvB,SAAiB,EACjB,cAAsB,EACtB,SAA6B,EAC7B,UAAoB;IAEpB,IAAI,IAAI,CAAC,gBAAgB,KAAK,UAAU,EAAE,CAAC;QACzC,IAAI,iBAAiB,GAAG,EAAE,CAAC;QAC3B,MAAM,UAAU,GAAG,IAAI,CAAC,SAAS,CAAC,mBAAK,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC;QAC3E,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE,CAAC;YAC3C,MAAM,OAAO,GAAG,KAAK,EAAU,CAAC;YAChC,MAAM,SAAS,GAAG,UAAU,CAAC,CAAC,CAAC,CAAC;YAChC,IAAI,SAAS,KAAK,EAAE,EAAE,CAAC;gBACrB,OAAO,CAAC,IAAI,CAAC,GAAG,cAAc,IAAI,CAAC,CAAC;gBACpC,IAAI,SAAS,KAAK,SAAS,EAAE,CAAC;oBAC5B,OAAO,CAAC,IAAI,CAAC,GAAG,SAAS,IAAI,CAAC,CAAC;gBACjC,CAAC;gBACD,iBAAiB,GAAG,kBAAkB,SAAS,EAAE,CAAC;YACpD,CAAC;iBAAM,CAAC;gBACN,OAAO,CAAC,IAAI,CAAC,GAAG,cAAc,YAAY,SAAS,kBAAkB,CAAC,CAAC;gBACvE,IAAI,SAAS,KAAK,SAAS,EAAE,CAAC;oBAC5B,OAAO,CAAC,IAAI,CAAC,GAAG,SAAS,YAAY,SAAS,kBAAkB,CAAC,CAAC;gBACpE,CAAC;gBACD,iBAAiB,GAAG,kBAAkB,SAAS,EAAE,CAAC;YACpD,CAAC;YACD,MAAM,KAAK,GAAG,IAAI,MAAM,CAAC,OAAO,CAAC,IAAI,CAAC,GAAG,CAAC,EAAE,IAAI,CAAC,CAAC;YAClD,IACE,IAAI,CAAC,iBAAiB,KAAK,iBAAiB;gBAC5C,KAAK,CAAC,IAAI,CAAC,UAAU,CAAC,EACtB,CAAC;gBACD,OAAO,CAAC,CAAC;YACX,CAAC;QACH,CAAC;IACH,CAAC;IACD,OAAO,CAAC,CAAC,CAAC;AACZ,CAAC","sourcesContent":["/*\nCopyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0\n*/\nimport { parse } from 'path';\nimport { CfnResource, Stack } from 'aws-cdk-lib';\nimport { CfnScalableTarget } from 'aws-cdk-lib/aws-applicationautoscaling';\nimport { CfnTable, BillingMode } from 'aws-cdk-lib/aws-dynamodb';\nimport { NagRuleCompliance, NagRules } from '../../nag-rules';\n\n/**\n * Provisioned capacity DynamoDB tables have auto-scaling enabled on their indexes\n * @param node the CfnResource to check\n */\n\nexport default Object.defineProperty(\n  (node: CfnResource): NagRuleCompliance => {\n    if (node instanceof CfnTable) {\n      if (\n        NagRules.resolveResourceFromIntrinsic(node, node.billingMode) !==\n        BillingMode.PAY_PER_REQUEST\n      ) {\n        const indexWriteMatches = [''];\n        const indexReadMatches = [''];\n        const tableLogicalId = NagRules.resolveResourceFromIntrinsic(\n          node,\n          node.ref\n        );\n        const tableName = Stack.of(node).resolve(node.tableName);\n        const globalSecondaryIndexes = Stack.of(node).resolve(\n          node.globalSecondaryIndexes\n        );\n        if (Array.isArray(globalSecondaryIndexes)) {\n          globalSecondaryIndexes.forEach((gsi) => {\n            const resolvedGsi = Stack.of(node).resolve(gsi);\n            indexWriteMatches.push(resolvedGsi.indexName);\n            indexReadMatches.push(resolvedGsi.indexName);\n          });\n        }\n        for (const child of Stack.of(node).node.findAll()) {\n          if (child instanceof CfnScalableTarget) {\n            const writeMatchIndex = isMatchingScalableTarget(\n              child,\n              'WriteCapacityUnits',\n              tableLogicalId,\n              tableName,\n              indexWriteMatches\n            );\n            if (writeMatchIndex !== -1) {\n              indexWriteMatches.splice(writeMatchIndex, 1);\n              continue;\n            }\n            const readMatchIndex = isMatchingScalableTarget(\n              child,\n              'ReadCapacityUnits',\n              tableLogicalId,\n              tableName,\n              indexReadMatches\n            );\n            if (readMatchIndex !== -1) {\n              indexReadMatches.splice(readMatchIndex, 1);\n            }\n          }\n        }\n        if (indexWriteMatches.length != 0 || indexReadMatches.length != 0) {\n          return NagRuleCompliance.NON_COMPLIANT;\n        }\n      }\n      return NagRuleCompliance.COMPLIANT;\n    } else {\n      return NagRuleCompliance.NOT_APPLICABLE;\n    }\n  },\n  'name',\n  { value: parse(__filename).name }\n);\n\n/**\n * Helper function to check whether the CfnScalableTarget is related to the given Table index\n * @param node the CfnScalableTarget to check\n * @param dimension the dimension of the CfnScalableTarget to check\n * @param tableLogicalId the Cfn Logical ID of the table\n * @param tableName the name of the table\n * @param indexNames the names of the indexes to check against\n * returns the location in the indexNames array of the matching index or -1 if no match is found\n */\nfunction isMatchingScalableTarget(\n  node: CfnScalableTarget,\n  dimension: string,\n  tableLogicalId: string,\n  tableName: string | undefined,\n  indexNames: string[]\n): number {\n  if (node.serviceNamespace === 'dynamodb') {\n    let scalableDimension = '';\n    const resourceId = JSON.stringify(Stack.of(node).resolve(node.resourceId));\n    for (let i = 0; i < indexNames.length; i++) {\n      const regexes = Array<string>();\n      const indexName = indexNames[i];\n      if (indexName === '') {\n        regexes.push(`${tableLogicalId}.*`);\n        if (tableName !== undefined) {\n          regexes.push(`${tableName}.*`);\n        }\n        scalableDimension = `dynamodb:table:${dimension}`;\n      } else {\n        regexes.push(`${tableLogicalId}.*index\\/${indexName}(?![\\\\w\\\\-_\\\\.])`);\n        if (tableName !== undefined) {\n          regexes.push(`${tableName}.*index\\/${indexName}(?![\\\\w\\\\-_\\\\.])`);\n        }\n        scalableDimension = `dynamodb:index:${dimension}`;\n      }\n      const regex = new RegExp(regexes.join('|'), 'gm');\n      if (\n        node.scalableDimension === scalableDimension &&\n        regex.test(resourceId)\n      ) {\n        return i;\n      }\n    }\n  }\n  return -1;\n}\n"]}