aws-delivlib
Version:
A fabulous library for defining continuous pipelines for building, testing and releasing code libraries.
177 lines • 28.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.BuildSpec = void 0;
const util_1 = require("./util");
const MAGIC_ARTIFACT_NAME = 'PRIMARY';
/**
* Class to model a buildspec version 0.2
*
* Artifact handling is a little special: CodeBuild will interpret the
* 'artifacts' section differently depending on whether there are secondary
* artifacts or not.
*
* If there is only one artifact, the single artifact must go into the top-level
* 'artifacts' section. If there are multiple artifacts, all of them must go
* into the 'secondary-artifacts' section. Upon rendering to JSON, the caller
* must supply the name of the primary artifact (it's determined by
* the CodePipeline Action that invokes the CodeBuild Project that uses this
* buildspec).
*
* INVARIANT: in-memory, the BuildSpec will treat all artifacts the same (as
* a bag of secondary artifacts). At the edges (construction or rendering),
* if there's only a single artifact it will be rendered to the primary
* artifact.
*/
class BuildSpec {
static literal(struct) {
return new BuildSpec(struct);
}
static simple(props) {
// We merge the primary artifact into the secondary artifacts under a special key
// They will be compacted back together during rendering.
const artifactDirectories = Object.assign({}, props.additionalArtifactDirectories || {}, props.artifactDirectory ? { [MAGIC_ARTIFACT_NAME]: props.artifactDirectory } : {});
let artifacts;
if (Object.keys(artifactDirectories || {}).length > 0) {
artifacts = {
'secondary-artifacts': (0, util_1.mapValues)(artifactDirectories, d => ({
'base-directory': d,
'files': ['**/*'],
})),
};
}
return new BuildSpec({
version: '0.2',
phases: (0, util_1.noUndefined)({
install: props.install !== undefined ? { commands: props.install } : undefined,
pre_build: props.preBuild !== undefined ? { commands: props.preBuild } : undefined,
build: props.build !== undefined ? { commands: props.build } : undefined,
}),
artifacts,
reports: props.reports,
});
}
static empty() {
return new BuildSpec({ version: '0.2' });
}
constructor(spec) {
this.spec = spec;
}
get additionalArtifactNames() {
return Object.keys(this.spec.artifacts && this.spec.artifacts['secondary-artifacts'] || {}).filter(n => n !== MAGIC_ARTIFACT_NAME);
}
merge(other) {
return new BuildSpec({
'version': '0.2',
'run-as': mergeObj(this.spec['run-as'], other.spec['run-as'], equalObjects),
'env': mergeObj(this.spec.env, other.spec.env, (a, b) => ({
'parameter-store': mergeDict(a['parameter-store'], b['parameter-store'], equalObjects),
'variables': mergeDict(a.variables, b.variables, equalObjects),
})),
'phases': mergeDict(this.spec.phases, other.spec.phases, (a, b, phase) => {
const merged = {
'run-as': mergeObj(a['run-as'], b['run-as'], equalObjects),
'on-failure': mergeObj(a['on-failure'], b['on-failure'], equalObjects),
'commands': mergeList(a.commands, b.commands),
'finally': mergeList(a.finally, b.finally),
};
if (phase === 'install') {
merged['runtime-versions'] = mergeDict(a['runtime-versions'], b['runtime-versions'], equalObjects);
}
return (0, util_1.noUndefined)(merged);
}),
'artifacts': mergeObj(this.spec.artifacts, other.spec.artifacts, mergeArtifacts),
'cache': mergeObj(this.spec.cache, other.spec.cache, (a, b) => ({
paths: mergeList(a.paths, b.paths),
})),
'reports': mergeDict(this.spec.reports, other.spec.reports, (a, b) => {
throw new Error(`Reports must have unique names, got ${a} and ${b}`);
}),
});
function mergeArtifacts(a, b) {
if (a.files || b.files) {
throw new Error('None of the BuildSpecs may have a primary artifact.');
}
const artifacts = Object.assign({}, a['secondary-artifacts'] || {});
for (const [k, v] of Object.entries(b['secondary-artifacts'] || {})) {
if (k in artifacts) {
throw new Error(`There is already an artifact with name ${k}`);
}
artifacts[k] = v;
}
return Object.assign({}, a, { 'secondary-artifacts': artifacts });
}
function equalObjects(a, b) {
if (a !== b) {
throw new Error(`Can't merge two different values for the same key: ${JSON.stringify(a)}, ${JSON.stringify(b)}`);
}
return b;
}
function mergeObj(a, b, fn) {
if (a === undefined) {
return b;
}
if (b === undefined) {
return a;
}
return fn(a, b);
}
function mergeDict(as, bs, fn) {
return mergeObj(as, bs, (a, b) => {
const ret = Object.assign({}, a);
for (const [k, v] of Object.entries(b)) {
if (ret[k]) {
ret[k] = fn(ret[k], v, k);
}
else {
ret[k] = v;
}
}
return ret;
});
}
function mergeList(as, bs) {
return mergeObj(as, bs, (a, b) => a.concat(b));
}
}
render(options = {}) {
return Object.assign({}, this.spec, { artifacts: this.renderArtifacts(options) });
}
renderArtifacts(options) {
if (!this.spec.artifacts || !this.spec.artifacts['secondary-artifacts']) {
return this.spec.artifacts;
}
// Simplify a single "secondary-artifacts" to a single primary artifact (regardless of the name)
const singleArt = dictSingletonValue(this.spec.artifacts['secondary-artifacts']);
if (singleArt) {
return singleArt;
}
// Otherwise rename a 'PRIMARY' key if it exists
if (MAGIC_ARTIFACT_NAME in this.spec.artifacts['secondary-artifacts']) {
if (!options.primaryArtifactName) {
throw new Error(`Replacement name for ${MAGIC_ARTIFACT_NAME} artifact not supplied`);
}
return { 'secondary-artifacts': renameKey(this.spec.artifacts['secondary-artifacts'], MAGIC_ARTIFACT_NAME, options.primaryArtifactName) };
}
return this.spec.artifacts;
}
}
exports.BuildSpec = BuildSpec;
/**
* If the dict is a singleton dict, return the value of the first key, otherwise return undefined
*/
function dictSingletonValue(xs) {
const keys = Object.keys(xs);
if (keys.length === 1) {
return xs[keys[0]];
}
return undefined;
}
function renameKey(xs, orig, rename) {
const ret = Object.assign({}, xs);
if (orig in ret) {
ret[rename] = ret[orig];
delete ret[orig];
}
return ret;
}
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{ mapValues, noUndefined } from './util';\n\n\nconst MAGIC_ARTIFACT_NAME = 'PRIMARY';\n\n/**\n * Class to model a buildspec version 0.2\n *\n * Artifact handling is a little special: CodeBuild will interpret the\n * 'artifacts' section differently depending on whether there are secondary\n * artifacts or not.\n *\n * If there is only one artifact, the single artifact must go into the top-level\n * 'artifacts' section. If there are multiple artifacts, all of them must go\n * into the 'secondary-artifacts' section. Upon rendering to JSON, the caller\n * must supply the name of the primary artifact (it's determined by\n * the CodePipeline Action that invokes the CodeBuild Project that uses this\n * buildspec).\n *\n * INVARIANT: in-memory, the BuildSpec will treat all artifacts the same (as\n * a bag of secondary artifacts). At the edges (construction or rendering),\n * if there's only a single artifact it will be rendered to the primary\n * artifact.\n */\nexport class BuildSpec {\n  public static literal(struct: BuildSpecStruct) {\n    return new BuildSpec(struct);\n  }\n\n  public static simple(props: SimpleBuildSpecProps) {\n    // We merge the primary artifact into the secondary artifacts under a special key\n    // They will be compacted back together during rendering.\n    const artifactDirectories = Object.assign({},\n      props.additionalArtifactDirectories || {},\n      props.artifactDirectory ? { [MAGIC_ARTIFACT_NAME]: props.artifactDirectory } : {},\n    );\n\n    let artifacts: PrimaryArtifactStruct | undefined;\n    if (Object.keys(artifactDirectories || {}).length > 0) {\n      artifacts = {\n        'secondary-artifacts': mapValues(artifactDirectories!, d => ({\n          'base-directory': d,\n          'files': ['**/*'],\n        })),\n      };\n    }\n\n    return new BuildSpec({\n      version: '0.2',\n      phases: noUndefined({\n        install: props.install !== undefined ? { commands: props.install } : undefined,\n        pre_build: props.preBuild !== undefined ? { commands: props.preBuild } : undefined,\n        build: props.build !== undefined ? { commands: props.build } : undefined,\n      }),\n      artifacts,\n      reports: props.reports,\n    });\n  }\n\n  public static empty() {\n    return new BuildSpec({ version: '0.2' });\n  }\n\n  private constructor(private readonly spec: BuildSpecStruct) {\n  }\n\n  public get additionalArtifactNames(): string[] {\n    return Object.keys(this.spec.artifacts && this.spec.artifacts['secondary-artifacts'] || {}).filter(n => n !== MAGIC_ARTIFACT_NAME);\n  }\n\n  public merge(other: BuildSpec): BuildSpec {\n    return new BuildSpec({\n      'version': '0.2',\n      'run-as': mergeObj(this.spec['run-as'], other.spec['run-as'], equalObjects),\n      'env': mergeObj(this.spec.env, other.spec.env, (a, b) => ({\n        'parameter-store': mergeDict(a['parameter-store'], b['parameter-store'], equalObjects),\n        'variables': mergeDict(a.variables, b.variables, equalObjects),\n      })),\n      'phases': mergeDict(this.spec.phases, other.spec.phases, (a, b, phase) => {\n        const merged: PhaseStruct = {\n          'run-as': mergeObj(a['run-as'], b['run-as'], equalObjects),\n          'on-failure': mergeObj(a['on-failure'], b['on-failure'], equalObjects),\n          'commands': mergeList(a.commands, b.commands)!,\n          'finally': mergeList(a.finally, b.finally),\n        };\n\n        if (phase === 'install') {\n          (merged as InstallPhaseStruct)['runtime-versions'] = mergeDict(\n            (a as InstallPhaseStruct)['runtime-versions'],\n            (b as InstallPhaseStruct)['runtime-versions'],\n            equalObjects,\n          );\n        }\n\n        return noUndefined(merged);\n      }),\n      'artifacts': mergeObj(this.spec.artifacts, other.spec.artifacts, mergeArtifacts),\n      'cache': mergeObj(this.spec.cache, other.spec.cache, (a, b) => ({\n        paths: mergeList(a.paths, b.paths)!,\n      })),\n      'reports': mergeDict(this.spec.reports, other.spec.reports, (a, b) => {\n        throw new Error(`Reports must have unique names, got ${a} and ${b}`);\n      }),\n    });\n\n    function mergeArtifacts(a: PrimaryArtifactStruct, b: PrimaryArtifactStruct): PrimaryArtifactStruct {\n      if (a.files || b.files) {\n        throw new Error('None of the BuildSpecs may have a primary artifact.');\n      }\n\n      const artifacts = Object.assign({}, a['secondary-artifacts'] || {});\n      for (const [k, v] of Object.entries(b['secondary-artifacts'] || {})) {\n        if (k in artifacts) {\n          throw new Error(`There is already an artifact with name ${k}`);\n        }\n        artifacts[k] = v;\n      }\n      return Object.assign({}, a, { 'secondary-artifacts': artifacts });\n    }\n\n\n    function equalObjects(a: string, b: string) {\n      if (a !== b) {\n        throw new Error(`Can't merge two different values for the same key: ${JSON.stringify(a)}, ${JSON.stringify(b)}`);\n      }\n      return b;\n    }\n\n    function mergeObj<T>(a: T | undefined, b: T | undefined, fn: (a: T, b: T) => T): T | undefined {\n      if (a === undefined) { return b; }\n      if (b === undefined) { return a; }\n      return fn(a, b);\n    }\n\n    function mergeDict<T>(as: { [k: string]: T } | undefined, bs: { [k: string]: T } | undefined, fn: (a: T, b: T, k: string) => T) {\n      return mergeObj(as, bs, (a, b) => {\n        const ret = Object.assign({}, a);\n        for (const [k, v] of Object.entries(b)) {\n          if (ret[k]) {\n            ret[k] = fn(ret[k], v, k);\n          } else {\n            ret[k] = v;\n          }\n        }\n        return ret;\n      });\n    }\n\n    function mergeList<T>(as: T[] | undefined, bs: T[] | undefined): T[] | undefined {\n      return mergeObj(as, bs, (a, b) => a.concat(b));\n    }\n  }\n\n  public render(options: BuildSpecRenderOptions = {}): BuildSpecStruct {\n    return Object.assign({}, this.spec, { artifacts: this.renderArtifacts(options) });\n  }\n\n  private renderArtifacts(options: BuildSpecRenderOptions): PrimaryArtifactStruct | undefined {\n    if (!this.spec.artifacts || !this.spec.artifacts['secondary-artifacts']) { return this.spec.artifacts; }\n\n    // Simplify a single \"secondary-artifacts\" to a single primary artifact (regardless of the name)\n    const singleArt = dictSingletonValue(this.spec.artifacts['secondary-artifacts']);\n    if (singleArt) { return singleArt; }\n\n    // Otherwise rename a 'PRIMARY' key if it exists\n    if (MAGIC_ARTIFACT_NAME in this.spec.artifacts['secondary-artifacts']) {\n      if (!options.primaryArtifactName) {\n        throw new Error(`Replacement name for ${MAGIC_ARTIFACT_NAME} artifact not supplied`);\n      }\n\n      return { 'secondary-artifacts': renameKey(this.spec.artifacts['secondary-artifacts'], MAGIC_ARTIFACT_NAME, options.primaryArtifactName) };\n    }\n\n    return this.spec.artifacts;\n  }\n}\n\nexport interface SimpleBuildSpecProps {\n  install?: string[];\n  preBuild?: string[];\n  build?: string[];\n  reports?: { [key: string]: ReportStruct };\n  artifactDirectory?: string;\n\n  /**\n   * Where the directories for each artifact are\n   *\n   * Use special name PRIMARY to refer to the primary artifact. Will be\n   * replaced with the actual artifact name when the build spec is synthesized.\n   */\n  additionalArtifactDirectories?: { [id: string]: string };\n}\n\nexport interface BuildSpecStruct {\n  'version': '0.2';\n  'run-as'?: string;\n  'env'?: EnvStruct;\n  'phases'?: {\n    install?: InstallPhaseStruct;\n    pre_build?: PhaseStruct;\n    build?: PhaseStruct;\n    post_build?: PhaseStruct;\n  };\n  'artifacts'?: PrimaryArtifactStruct;\n  'cache'?: CacheStruct;\n  'reports'?: { [key: string]: ReportStruct };\n}\n\nexport interface EnvStruct {\n  'variables'?: { [key: string]: string };\n  'parameter-store'?: { [key: string]: string };\n  'exported-variables'?: string[];\n}\n\nexport interface PhaseStruct {\n  'run-as'?: string;\n  'on-failure'?: string;\n  'commands': string[];\n  'finally'?: string[];\n}\n\nexport interface InstallPhaseStruct extends PhaseStruct {\n  'runtime-versions'?: { [key: string]: string };\n}\n\nexport interface ReportStruct {\n  'files'?: string[];\n  'base-directory'?: string;\n  'discard-paths'?: 'yes' | 'no';\n  'file-format'?: 'CucumberJson' | 'JunitXml' | 'NunitXml' | 'TestNGXml' | 'VisualStudioTrx';\n}\n\nexport interface ArtifactStruct {\n  'files'?: string[];\n  'name'?: string;\n  'base-directory'?: string;\n  'discard-paths'?: 'yes' | 'no';\n}\n\nexport interface PrimaryArtifactStruct extends ArtifactStruct {\n  'secondary-artifacts'?: { [key: string]: ArtifactStruct };\n}\n\nexport interface CacheStruct {\n  paths: string[];\n}\n\nexport interface BuildSpecRenderOptions {\n  /**\n   * Replace PRIMARY artifact name with this\n   *\n   * Cannot use the special term PRIMARY if this is not supplied.\n   *\n   * @default  Cannot use PRIMARY\n   */\n  primaryArtifactName?: string;\n}\n\n/**\n * If the dict is a singleton dict, return the value of the first key, otherwise return undefined\n */\nfunction dictSingletonValue<T>(xs: { [key: string]: T }): T | undefined {\n  const keys = Object.keys(xs);\n  if (keys.length === 1) {\n    return xs[keys[0]];\n  }\n  return undefined;\n}\n\nfunction renameKey<T>(xs: { [key: string]: T }, orig: string, rename: string): { [key: string]: T } {\n  const ret = Object.assign({}, xs);\n  if (orig in ret) {\n    ret[rename] = ret[orig];\n    delete ret[orig];\n  }\n  return ret;\n}\n"]}