aws-delivlib
Version:
A fabulous library for defining continuous pipelines for building, testing and releasing code libraries.
171 lines • 29.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.EcrMirrorAspect = exports.EcrMirror = void 0;
const aws_cdk_lib_1 = require("aws-cdk-lib");
const constructs_1 = require("constructs");
const constants_1 = require("../constants");
/**
* Synchronize images from DockerHub to an ECR registry in the AWS account.
* This is particularly useful to workaround DockerHub's throttling on pulls and use ECR instead.
*/
class EcrMirror extends constructs_1.Construct {
constructor(scope, id, props) {
super(scope, id);
this._repos = new Map();
this._repoTagsSeen = new Set();
if (!props.schedule && !props.autoStart) {
throw new Error('Either schedule or autoStart must be provided');
}
const ecrRegistry = `${aws_cdk_lib_1.Stack.of(scope).account}.dkr.ecr.${aws_cdk_lib_1.Stack.of(scope).region}.amazonaws.com`;
const commands = [];
const assets = new Array();
const codeBuildSecretValue = (key, auth) => {
return `${props.dockerHubCredentials.secret.secretName}:${key}:${auth.versionStage ?? 'AWSCURRENT'}`;
};
const username = codeBuildSecretValue(props.dockerHubCredentials.usernameKey, props.dockerHubCredentials);
const password = codeBuildSecretValue(props.dockerHubCredentials.passwordKey, props.dockerHubCredentials);
if (!props.buildImage) {
aws_cdk_lib_1.Annotations.of(this).addWarningV2('aws-delivlib:EcrMirror.missingBuildImage', 'Prefer supplying an explicit build image to relying on the default superchain.');
}
this.project = new aws_cdk_lib_1.aws_codebuild.Project(this, 'EcrPushImages', {
description: aws_cdk_lib_1.Lazy.string({ produce: () => `Synchronize ${props.sources.length} images from DockerHub to local ECR` }),
environment: {
privileged: true,
buildImage: props.buildImage ?? aws_cdk_lib_1.aws_codebuild.LinuxBuildImage.fromDockerRegistry(constants_1.DEFAULT_SUPERCHAIN_IMAGE),
},
environmentVariables: {
// DockerHub credentials to avoid throttling
DOCKERHUB_USERNAME: { value: username, type: aws_cdk_lib_1.aws_codebuild.BuildEnvironmentVariableType.SECRETS_MANAGER },
DOCKERHUB_PASSWORD: { value: password, type: aws_cdk_lib_1.aws_codebuild.BuildEnvironmentVariableType.SECRETS_MANAGER },
},
buildSpec: aws_cdk_lib_1.aws_codebuild.BuildSpec.fromObject(aws_cdk_lib_1.Lazy.any({
produce: () => {
return {
version: '0.2',
phases: {
build: {
commands: [
// start the docker daemon
'nohup /usr/bin/dockerd --host=unix:///var/run/docker.sock --host=tcp://127.0.0.1:2375 --storage-driver=overlay2&',
'timeout 15 sh -c "until docker info; do echo .; sleep 1; done"',
// login to dockerhub so we won't get throttled
'docker login -u ${DOCKERHUB_USERNAME} -p ${DOCKERHUB_PASSWORD}',
// login to ecr so we can push to it
`aws ecr get-login-password | docker login --username AWS --password-stdin ${ecrRegistry}`,
// login to ecr-public so we can pull from it with improved rate limits
'aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin public.ecr.aws',
...commands,
],
},
},
};
},
})),
ssmSessionPermissions: true,
});
// Ensure the runner has PULL access to ECR-Public.
this.project.role.addManagedPolicy(aws_cdk_lib_1.aws_iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonElasticContainerRegistryPublicReadOnly'));
// Give the project access to the Docker Hub credentials
// Required for access to private images and to avoid throttling of unauthorized requests
props.dockerHubCredentials.secret.grantRead(this.project);
for (const image of props.sources) {
const result = image.bind({
scope: this,
ecrRegistry,
syncJob: this.project,
});
commands.push(...result.commands);
const repoTag = `${result.repositoryName}:${result.tag}`;
if (this._repoTagsSeen.has(repoTag)) {
throw new Error(`Mirror source with repository name [${result.repositoryName}] and tag [${result.tag}] already exists.`);
}
this._repoTagsSeen.add(repoTag);
this.createMirrorRepo(result.repositoryName);
const ecrImageUri = `${ecrRegistry}/${result.repositoryName}:${result.tag}`;
commands.push(`docker push ${ecrImageUri}`);
// clean after each push so that we don't fillup disk space
// possibly failing the next pull.
commands.push('docker image prune --all --force');
}
// CodeBuild needs to read the secret to resolve environment variables
props.dockerHubCredentials.secret.grantRead(this.project);
aws_cdk_lib_1.aws_ecr.AuthorizationToken.grantRead(this.project);
this._repos.forEach((r, _) => r.grantPullPush(this.project));
// this project needs to download the assets so it can build them
assets.forEach(a => a.grantRead(this.project));
if (props.autoStart) {
new aws_cdk_lib_1.custom_resources.AwsCustomResource(this, 'BuildExecution', {
installLatestAwsSdk: false,
policy: aws_cdk_lib_1.custom_resources.AwsCustomResourcePolicy.fromSdkCalls({ resources: [this.project.projectArn] }),
onUpdate: {
action: 'startBuild',
service: 'CodeBuild',
parameters: {
projectName: this.project.projectName,
// to tigger the build on every update
idempotencyToken: `${Date.now()}`,
},
physicalResourceId: aws_cdk_lib_1.custom_resources.PhysicalResourceId.of('EcrRegistryExecution'),
// need since the default reponse if greater than the 4k limit for custom resources.
outputPaths: ['build.id'],
},
});
}
if (props.schedule) {
new aws_cdk_lib_1.aws_events.Rule(this, 'ScheduledTrigger', {
description: 'Trigger ECR mirror job',
schedule: props.schedule,
targets: [new aws_cdk_lib_1.aws_events_targets.CodeBuildProject(this.project)],
});
}
}
createMirrorRepo(ecrRepositoryName) {
if (this._repos.get(ecrRepositoryName)) {
return;
}
const repository = new aws_cdk_lib_1.aws_ecr.Repository(this, `Repo${ecrRepositoryName}`, {
repositoryName: ecrRepositoryName,
});
this._repos.set(ecrRepositoryName, repository);
}
/**
* Get the target ECR repository for the given repository name and tag.
* @param repositoryName The ECR repository with this name
* @param tag the tag for the repository, defaults to 'latest'
*/
ecrRepository(repositoryName) {
return this._repos.get(repositoryName);
}
}
exports.EcrMirror = EcrMirror;
;
/**
* An aspect that walks through the construct tree and replaces CodeBuild jobs with Docker images
* with ECR equivalents found in the EcrMirror.
*/
class EcrMirrorAspect {
constructor(mirror) {
this.mirror = mirror;
}
visit(construct) {
if (construct instanceof aws_cdk_lib_1.aws_codebuild.Project) {
const cfnproject = construct.node.defaultChild;
if (!aws_cdk_lib_1.Token.isUnresolved(cfnproject.environment)) {
const env = cfnproject.environment;
const imageName = env.image.split(':')[0];
const tag = env.image.split(':')[1];
const replacement = this.mirror.ecrRepository(imageName);
if (replacement) {
cfnproject.environment = {
...env,
image: aws_cdk_lib_1.aws_codebuild.LinuxBuildImage.fromEcrRepository(replacement, tag).imageId,
};
replacement.grantPull(construct);
aws_cdk_lib_1.aws_ecr.AuthorizationToken.grantRead(construct);
}
}
}
}
}
exports.EcrMirrorAspect = EcrMirrorAspect;
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{\n  IAspect, Lazy, Stack, Token,\n  aws_ecr as ecr,\n  aws_codebuild as codebuild,\n  aws_events as events,\n  aws_events_targets as targets,\n  aws_iam as iam,\n  aws_s3_assets as s3Assets,\n  aws_secretsmanager as sm,\n  custom_resources as cr,\n  Annotations,\n} from 'aws-cdk-lib';\nimport { Construct, IConstruct } from 'constructs';\nimport { MirrorSource } from './mirror-source';\nimport { DEFAULT_SUPERCHAIN_IMAGE } from '../constants';\n\n/**\n * Authentication details for DockerHub.\n *\n * @see https://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html#build-spec.env.secrets-manager\n */\nexport interface DockerHubCredentials {\n\n  /**\n   * The secret that contains the username and password for Dockerhub\n   */\n  readonly secret: sm.ISecret;\n\n  /**\n   * The secret key that contains the username in the specified secret.\n   */\n  readonly usernameKey: string;\n\n  /**\n   * The secret key that contains the password in the specified secret.\n   */\n  readonly passwordKey: string;\n\n  /**\n   * Version stage of the secret.\n   *\n   * @default 'AWSCURRENT'\n   */\n  readonly versionStage?: string;\n}\n\n/**\n * Properties to initialize EcrRegistrySync\n */\nexport interface EcrMirrorProps {\n  /**\n   * The list of images to keep sync'ed.\n   */\n  readonly sources: MirrorSource[];\n\n  /**\n   * Credentials to signing into Dockerhub.\n   */\n  readonly dockerHubCredentials: DockerHubCredentials;\n\n  /**\n   * The image used to run the mirror step itself.\n   *\n   * Prefer to supply the image yourself here.\n   *\n   * @default - Some superchain image that may grow outdated.\n   */\n  readonly buildImage?: codebuild.IBuildImage;\n\n  /**\n   * Sync job runs on a schedule.\n   * Throws an error if neither this nor `autoStart` are specified.\n   * @default - does not run on schedule\n   */\n  readonly schedule?: events.Schedule;\n\n  /**\n   * Start the sync job immediately after the deployment.\n   * This injects a custom resource that is executed as part of the deployment.\n   * Throws an error if neither this nor `schedule` are specified.\n   * @default false\n   */\n  readonly autoStart?: boolean;\n}\n\n/**\n * Synchronize images from DockerHub to an ECR registry in the AWS account.\n * This is particularly useful to workaround DockerHub's throttling on pulls and use ECR instead.\n */\nexport class EcrMirror extends Construct {\n\n  private readonly _repos: Map<string, ecr.Repository> = new Map();\n  private readonly _repoTagsSeen = new Set<string>();\n\n  public readonly project: codebuild.Project;\n\n  constructor(scope: Construct, id: string, props: EcrMirrorProps) {\n    super(scope, id);\n\n    if (!props.schedule && !props.autoStart) {\n      throw new Error('Either schedule or autoStart must be provided');\n    }\n\n    const ecrRegistry = `${Stack.of(scope).account}.dkr.ecr.${Stack.of(scope).region}.amazonaws.com`;\n    const commands: string[] = [];\n    const assets = new Array<s3Assets.Asset>();\n\n    const codeBuildSecretValue = (key: string, auth: DockerHubCredentials) => {\n      return `${props.dockerHubCredentials.secret.secretName}:${key}:${auth.versionStage ?? 'AWSCURRENT'}`;\n    };\n\n    const username = codeBuildSecretValue(props.dockerHubCredentials.usernameKey, props.dockerHubCredentials);\n    const password = codeBuildSecretValue(props.dockerHubCredentials.passwordKey, props.dockerHubCredentials);\n\n    if (!props.buildImage) {\n      Annotations.of(this).addWarningV2('aws-delivlib:EcrMirror.missingBuildImage', 'Prefer supplying an explicit build image to relying on the default superchain.');\n    }\n\n    this.project = new codebuild.Project(this, 'EcrPushImages', {\n      description: Lazy.string({ produce: () => `Synchronize ${props.sources.length} images from DockerHub to local ECR` }),\n      environment: {\n        privileged: true,\n        buildImage: props.buildImage ?? codebuild.LinuxBuildImage.fromDockerRegistry(DEFAULT_SUPERCHAIN_IMAGE),\n      },\n      environmentVariables: {\n        // DockerHub credentials to avoid throttling\n        DOCKERHUB_USERNAME: { value: username, type: codebuild.BuildEnvironmentVariableType.SECRETS_MANAGER },\n        DOCKERHUB_PASSWORD: { value: password, type: codebuild.BuildEnvironmentVariableType.SECRETS_MANAGER },\n      },\n      buildSpec: codebuild.BuildSpec.fromObject(Lazy.any({\n        produce: () => {\n          return {\n            version: '0.2',\n            phases: {\n              build: {\n                commands: [\n\n                  // start the docker daemon\n                  'nohup /usr/bin/dockerd --host=unix:///var/run/docker.sock --host=tcp://127.0.0.1:2375 --storage-driver=overlay2&',\n                  'timeout 15 sh -c \"until docker info; do echo .; sleep 1; done\"',\n\n                  // login to dockerhub so we won't get throttled\n                  'docker login -u ${DOCKERHUB_USERNAME} -p ${DOCKERHUB_PASSWORD}',\n\n                  // login to ecr so we can push to it\n                  `aws ecr get-login-password | docker login --username AWS --password-stdin ${ecrRegistry}`,\n\n                  // login to ecr-public so we can pull from it with improved rate limits\n                  'aws ecr-public get-login-password --region us-east-1 | docker login --username AWS --password-stdin public.ecr.aws',\n\n                  ...commands,\n                ],\n              },\n            },\n          };\n        },\n      })),\n      ssmSessionPermissions: true,\n    });\n\n    // Ensure the runner has PULL access to ECR-Public.\n    this.project.role!.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonElasticContainerRegistryPublicReadOnly'));\n\n    // Give the project access to the Docker Hub credentials\n    // Required for access to private images and to avoid throttling of unauthorized requests\n    props.dockerHubCredentials.secret.grantRead(this.project);\n\n    for (const image of props.sources) {\n      const result = image.bind({\n        scope: this,\n        ecrRegistry,\n        syncJob: this.project,\n      });\n      commands.push(...result.commands);\n\n      const repoTag = `${result.repositoryName}:${result.tag}`;\n      if (this._repoTagsSeen.has(repoTag)) {\n        throw new Error(`Mirror source with repository name [${result.repositoryName}] and tag [${result.tag}] already exists.`);\n      }\n      this._repoTagsSeen.add(repoTag);\n\n      this.createMirrorRepo(result.repositoryName);\n\n      const ecrImageUri = `${ecrRegistry}/${result.repositoryName}:${result.tag}`;\n      commands.push(`docker push ${ecrImageUri}`);\n\n      // clean after each push so that we don't fillup disk space\n      // possibly failing the next pull.\n      commands.push('docker image prune --all --force');\n    }\n\n    // CodeBuild needs to read the secret to resolve environment variables\n    props.dockerHubCredentials.secret.grantRead(this.project);\n\n    ecr.AuthorizationToken.grantRead(this.project);\n    this._repos.forEach((r, _) => r.grantPullPush(this.project));\n\n    // this project needs to download the assets so it can build them\n    assets.forEach(a => a.grantRead(this.project));\n\n    if (props.autoStart) {\n      new cr.AwsCustomResource(this, 'BuildExecution', {\n        installLatestAwsSdk: false,\n        policy: cr.AwsCustomResourcePolicy.fromSdkCalls({ resources: [this.project.projectArn] }),\n        onUpdate: {\n          action: 'startBuild',\n          service: 'CodeBuild',\n          parameters: {\n            projectName: this.project.projectName,\n            // to tigger the build on every update\n            idempotencyToken: `${Date.now()}`,\n          },\n          physicalResourceId: cr.PhysicalResourceId.of('EcrRegistryExecution'),\n\n          // need since the default reponse if greater than the 4k limit for custom resources.\n          outputPaths: ['build.id'],\n        },\n      });\n    }\n\n    if (props.schedule) {\n      new events.Rule(this, 'ScheduledTrigger', {\n        description: 'Trigger ECR mirror job',\n        schedule: props.schedule,\n        targets: [new targets.CodeBuildProject(this.project)],\n      });\n    }\n  }\n\n  private createMirrorRepo(ecrRepositoryName: string) {\n    if (this._repos.get(ecrRepositoryName)) {\n      return;\n    }\n\n    const repository = new ecr.Repository(this, `Repo${ecrRepositoryName}`, {\n      repositoryName: ecrRepositoryName,\n    });\n    this._repos.set(ecrRepositoryName, repository);\n  }\n\n  /**\n   * Get the target ECR repository for the given repository name and tag.\n   * @param repositoryName The ECR repository with this name\n   * @param tag the tag for the repository, defaults to 'latest'\n   */\n  public ecrRepository(repositoryName: string): ecr.IRepository | undefined {\n    return this._repos.get(repositoryName);\n  }\n};\n\n/**\n * An aspect that walks through the construct tree and replaces CodeBuild jobs with Docker images\n * with ECR equivalents found in the EcrMirror.\n */\nexport class EcrMirrorAspect implements IAspect {\n  constructor(private readonly mirror: EcrMirror) {}\n\n  public visit(construct: IConstruct) {\n    if (construct instanceof codebuild.Project) {\n      const cfnproject = construct.node.defaultChild as codebuild.CfnProject;\n      if (!Token.isUnresolved(cfnproject.environment)) {\n        const env = cfnproject.environment as codebuild.CfnProject.EnvironmentProperty;\n        const imageName = env.image.split(':')[0];\n        const tag = env.image.split(':')[1];\n        const replacement = this.mirror.ecrRepository(imageName);\n        if (replacement) {\n          cfnproject.environment = {\n            ...env,\n            image: codebuild.LinuxBuildImage.fromEcrRepository(replacement, tag).imageId,\n          };\n          replacement.grantPull(construct);\n          ecr.AuthorizationToken.grantRead(construct);\n        }\n      }\n    }\n  }\n}\n"]}