1 | ;
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | exports.SynthUtils = void 0;
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4 | const fs = require("fs");
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5 | const path = require("path");
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6 | const core = require("aws-cdk-lib");
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7 | class SynthUtils {
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8 | /**
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9 | * Returns the cloud assembly template artifact for a stack.
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10 | */
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11 | static synthesize(stack, options = {}) {
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12 | // always synthesize against the root (be it an App or whatever) so all artifacts will be included
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13 | const assembly = synthesizeApp(stack, options);
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14 | return stripNewStyleSynthCfnElements(assembly.getStackArtifact(stack.artifactId));
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15 | }
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16 | /**
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17 | * Synthesizes the stack and returns the resulting CloudFormation template.
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18 | */
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19 | static toCloudFormation(stack, options = {}) {
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20 | const synth = this._synthesizeWithNested(stack, options);
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21 | if (isStackArtifact(synth)) {
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22 | return synth.template;
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23 | }
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24 | else {
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25 | return synth;
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26 | }
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27 | }
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28 | /**
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29 | * @returns Returns a subset of the synthesized CloudFormation template (only specific resource types).
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30 | */
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31 | static subset(stack, options) {
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32 | const template = this.toCloudFormation(stack);
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33 | if (template.Resources) {
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34 | for (const [key, resource] of Object.entries(template.Resources)) {
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35 | if (options.resourceTypes && !options.resourceTypes.includes(resource.Type)) {
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36 | delete template.Resources[key];
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37 | }
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38 | }
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39 | }
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40 | return template;
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41 | }
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42 | /**
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43 | * Synthesizes the stack and returns a `CloudFormationStackArtifact` which can be inspected.
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44 | * Supports nested stacks as well as normal stacks.
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45 | *
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46 | * @return CloudFormationStackArtifact for normal stacks or the actual template for nested stacks
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47 | * @internal
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48 | */
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49 | static _synthesizeWithNested(stack, options = {}) {
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50 | // always synthesize against the root (be it an App or whatever) so all artifacts will be included
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51 | const assembly = synthesizeApp(stack, options);
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52 | // if this is a nested stack (it has a parent), then just read the template as a string
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53 | if (stack.nestedStackParent) {
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54 | return JSON.parse(fs.readFileSync(path.join(assembly.directory, stack.templateFile)).toString('utf-8'));
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55 | }
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56 | return stripNewStyleSynthCfnElements(assembly.getStackArtifact(stack.artifactId));
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57 | }
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58 | }
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59 | exports.SynthUtils = SynthUtils;
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60 | /**
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61 | * Synthesizes the app in which a stack resides and returns the cloud assembly object.
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62 | */
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63 | function synthesizeApp(stack, options) {
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64 | const root = stack.node.root;
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65 | if (!core.Stage.isStage(root)) {
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66 | throw new Error('unexpected: all stacks must be part of a Stage or an App');
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67 | }
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68 | // to support incremental assertions (i.e. "expect(stack).toNotContainSomething(); doSomething(); expect(stack).toContainSomthing()")
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69 | const force = true;
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70 | return root.synth({
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71 | force,
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72 | ...options,
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73 | });
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74 | }
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75 | function stripNewStyleSynthCfnElements(stackArtifact) {
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76 | const synthesizedTemplate = stackArtifact.template;
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77 | // if new-style synthesis is not explicitly set, remove the extra generated Rule and Parameter from the synthesized template,
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78 | // to avoid changing many tests that rely on the template being exactly what it is
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79 | delete synthesizedTemplate?.Rules?.CheckBootstrapVersion;
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80 | if (Object.keys(synthesizedTemplate?.Rules ?? {}).length === 0) {
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81 | delete synthesizedTemplate?.Rules;
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82 | }
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83 | delete synthesizedTemplate?.Parameters?.BootstrapVersion;
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84 | if (Object.keys(synthesizedTemplate?.Parameters ?? {}).length === 0) {
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85 | delete synthesizedTemplate?.Parameters;
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86 | }
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87 | return stackArtifact;
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88 | }
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89 | function isStackArtifact(x) {
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90 | return 'template' in x;
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91 | }
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* as fs from 'fs';\nimport * as path from 'path';\nimport * as core from 'aws-cdk-lib';\nimport * as cxapi from 'aws-cdk-lib/cx-api';\n\nexport class SynthUtils {\n  /**\n   * Returns the cloud assembly template artifact for a stack.\n   */\n  public static synthesize(stack: core.Stack, options: core.StageSynthesisOptions = { }): cxapi.CloudFormationStackArtifact {\n    // always synthesize against the root (be it an App or whatever) so all artifacts will be included\n    const assembly = synthesizeApp(stack, options);\n    return stripNewStyleSynthCfnElements(assembly.getStackArtifact(stack.artifactId));\n  }\n\n  /**\n   * Synthesizes the stack and returns the resulting CloudFormation template.\n   */\n  public static toCloudFormation(stack: core.Stack, options: core.StageSynthesisOptions = { }): any {\n    const synth = this._synthesizeWithNested(stack, options);\n    if (isStackArtifact(synth)) {\n      return synth.template;\n    } else {\n      return synth;\n    }\n  }\n\n  /**\n   * @returns Returns a subset of the synthesized CloudFormation template (only specific resource types).\n   */\n  public static subset(stack: core.Stack, options: SubsetOptions): any {\n    const template = this.toCloudFormation(stack);\n    if (template.Resources) {\n      for (const [key, resource] of Object.entries(template.Resources)) {\n        if (options.resourceTypes && !options.resourceTypes.includes((resource as any).Type)) {\n          delete template.Resources[key];\n        }\n      }\n    }\n\n    return template;\n  }\n\n  /**\n   * Synthesizes the stack and returns a `CloudFormationStackArtifact` which can be inspected.\n   * Supports nested stacks as well as normal stacks.\n   *\n   * @return CloudFormationStackArtifact for normal stacks or the actual template for nested stacks\n   * @internal\n   */\n  public static _synthesizeWithNested(stack: core.Stack, options: core.StageSynthesisOptions = { }): cxapi.CloudFormationStackArtifact | object {\n    // always synthesize against the root (be it an App or whatever) so all artifacts will be included\n    const assembly = synthesizeApp(stack, options);\n\n    // if this is a nested stack (it has a parent), then just read the template as a string\n    if (stack.nestedStackParent) {\n      return JSON.parse(fs.readFileSync(path.join(assembly.directory, stack.templateFile)).toString('utf-8'));\n    }\n\n    return stripNewStyleSynthCfnElements(assembly.getStackArtifact(stack.artifactId));\n  }\n}\n\n/**\n * Synthesizes the app in which a stack resides and returns the cloud assembly object.\n */\nfunction synthesizeApp(stack: core.Stack, options: core.StageSynthesisOptions): cxapi.CloudAssembly {\n  const root = stack.node.root;\n  if (!core.Stage.isStage(root)) {\n    throw new Error('unexpected: all stacks must be part of a Stage or an App');\n  }\n\n  // to support incremental assertions (i.e. \"expect(stack).toNotContainSomething(); doSomething(); expect(stack).toContainSomthing()\")\n  const force = true;\n\n  return root.synth({\n    force,\n    ...options,\n  });\n}\n\nfunction stripNewStyleSynthCfnElements(stackArtifact: cxapi.CloudFormationStackArtifact): cxapi.CloudFormationStackArtifact {\n  const synthesizedTemplate = stackArtifact.template;\n\n  // if new-style synthesis is not explicitly set, remove the extra generated Rule and Parameter from the synthesized template,\n  // to avoid changing many tests that rely on the template being exactly what it is\n  delete synthesizedTemplate?.Rules?.CheckBootstrapVersion;\n  if (Object.keys(synthesizedTemplate?.Rules ?? {}).length === 0) {\n    delete synthesizedTemplate?.Rules;\n  }\n  delete synthesizedTemplate?.Parameters?.BootstrapVersion;\n  if (Object.keys(synthesizedTemplate?.Parameters ?? {}).length === 0) {\n    delete synthesizedTemplate?.Parameters;\n  }\n\n  return stackArtifact;\n}\n\nexport interface SubsetOptions {\n  /**\n   * Match all resources of the given type\n   */\n  resourceTypes?: string[];\n}\n\nfunction isStackArtifact(x: object): x is cxapi.CloudFormationStackArtifact {\n  return 'template' in x;\n}"]} |
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