@aws-cdk/aws-eks-v2-alpha
Version:
This module is deprecated. All constructs are now available under aws-cdk-lib/aws-eks-v2
149 lines • 22.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.KubectlProvider = void 0;
const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const path = require("path");
const iam = require("aws-cdk-lib/aws-iam");
const lambda = require("aws-cdk-lib/aws-lambda");
const core_1 = require("aws-cdk-lib/core");
const cr = require("aws-cdk-lib/custom-resources");
const lambda_layer_awscli_1 = require("aws-cdk-lib/lambda-layer-awscli");
const constructs_1 = require("constructs");
const cluster_1 = require("./cluster");
/**
* Implementation of Kubectl Lambda
*/
class KubectlProvider extends constructs_1.Construct {
static [JSII_RTTI_SYMBOL_1] = { fqn: "@aws-cdk/aws-eks-v2-alpha.KubectlProvider", version: "2.240.0-alpha.0" };
/**
* Take existing provider on cluster
*
* @param scope Construct
* @param cluster k8s cluster
*/
static getKubectlProvider(scope, cluster) {
try {
jsiiDeprecationWarnings.print("@aws-cdk/aws-eks-v2-alpha.KubectlProvider#getKubectlProvider", "");
jsiiDeprecationWarnings._aws_cdk_aws_eks_v2_alpha_ICluster(cluster);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.getKubectlProvider);
}
throw error;
}
// if this is an "owned" cluster, we need to wait for the kubectl barrier
// before applying any resources.
if (cluster instanceof cluster_1.Cluster) {
cluster._dependOnKubectlBarrier(scope);
}
return cluster.kubectlProvider;
}
/**
* Import an existing provider
*
* @param scope Construct
* @param id an id of resource
* @param attrs attributes for the provider
*/
static fromKubectlProviderAttributes(scope, id, attrs) {
try {
jsiiDeprecationWarnings.print("@aws-cdk/aws-eks-v2-alpha.KubectlProvider#fromKubectlProviderAttributes", "");
jsiiDeprecationWarnings._aws_cdk_aws_eks_v2_alpha_KubectlProviderAttributes(attrs);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.fromKubectlProviderAttributes);
}
throw error;
}
class Import extends constructs_1.Construct {
serviceToken = attrs.serviceToken;
role = attrs.role;
}
return new Import(scope, id);
}
/**
* The custom resource provider's service token.
*/
serviceToken;
/**
* The IAM execution role of the handler.
*/
role;
constructor(scope, id, props) {
super(scope, id);
try {
jsiiDeprecationWarnings.print("@aws-cdk/aws-eks-v2-alpha.KubectlProvider", "");
jsiiDeprecationWarnings._aws_cdk_aws_eks_v2_alpha_KubectlProviderProps(props);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, KubectlProvider);
}
throw error;
}
const vpc = props.privateSubnets ? props.cluster.vpc : undefined;
let securityGroups;
if (props.privateSubnets && props.cluster.clusterSecurityGroup) {
securityGroups = [props.cluster.clusterSecurityGroup];
}
const privateSubnets = props.privateSubnets ? { subnets: props.privateSubnets } : undefined;
const handler = new lambda.Function(this, 'Handler', {
timeout: core_1.Duration.minutes(15),
description: 'onEvent handler for EKS kubectl resource provider',
memorySize: props.memory?.toMebibytes() ?? 1024,
environment: {
// required and recommended for boto3
AWS_STS_REGIONAL_ENDPOINTS: 'regional',
...props.environment,
},
role: props.role,
code: lambda.Code.fromAsset(path.join(__dirname, 'kubectl-handler')),
handler: 'index.handler',
runtime: lambda.Runtime.determineLatestPythonRuntime(this),
// defined only when using private access
vpc,
securityGroups,
vpcSubnets: privateSubnets,
});
// allow user to customize the layers with the tools we need
handler.addLayers(props.awscliLayer ?? new lambda_layer_awscli_1.AwsCliLayer(this, 'AwsCliLayer'));
handler.addLayers(props.kubectlLayer);
const handlerRole = handler.role;
handlerRole.addToPrincipalPolicy(new iam.PolicyStatement({
actions: ['eks:DescribeCluster'],
resources: [props.cluster.clusterArn],
}));
// taken from the lambda default role logic.
// makes it easier for roles to be passed in.
if (handler.isBoundToVpc) {
handlerRole.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName('service-role/AWSLambdaVPCAccessExecutionRole'));
}
// For OCI helm chart authorization.
handlerRole.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonEC2ContainerRegistryReadOnly'));
/**
* For OCI helm chart public ECR authorization. As ECR public is only available in `aws` partition,
* we conditionally attach this policy when the AWS partition is `aws`.
*/
const hasEcrPublicCondition = new core_1.CfnCondition(handlerRole.node.scope, 'HasEcrPublic', {
expression: core_1.Fn.conditionEquals(core_1.Aws.PARTITION, 'aws'),
});
const conditionalPolicy = iam.ManagedPolicy.fromManagedPolicyArn(this, 'ConditionalPolicyArn', core_1.Fn.conditionIf(hasEcrPublicCondition.logicalId, iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonElasticContainerRegistryPublicReadOnly').managedPolicyArn, core_1.Aws.NO_VALUE).toString());
handlerRole.addManagedPolicy(iam.ManagedPolicy.fromManagedPolicyArn(this, 'conditionalPolicy', conditionalPolicy.managedPolicyArn));
const provider = new cr.Provider(this, 'Provider', {
onEventHandler: handler,
vpc: vpc,
vpcSubnets: privateSubnets,
securityGroups,
});
this.serviceToken = provider.serviceToken;
this.role = handlerRole;
if (props.removalPolicy) {
core_1.RemovalPolicies.of(this).apply(props.removalPolicy);
}
}
}
exports.KubectlProvider = KubectlProvider;
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if not specified, the default role created by a lambda function will\n   * be used.\n   */\n  readonly role?: iam.IRole;\n\n  /**\n   * An AWS Lambda layer that contains the `aws` CLI.\n   *\n   * If not defined, a default layer will be used containing the AWS CLI 2.x.\n   */\n  readonly awscliLayer?: lambda.ILayerVersion;\n\n  /**\n   *\n   * Custom environment variables when running `kubectl` against this cluster.\n   */\n  readonly environment?: { [key: string]: string };\n\n  /**\n   * A security group to use for `kubectl` execution.\n   *\n   * @default - If not specified, the k8s endpoint is expected to be accessible\n   * publicly.\n   */\n  readonly securityGroup?: ec2.ISecurityGroup;\n\n  /**\n   * The amount of memory allocated to the kubectl provider's lambda function.\n   */\n  readonly memory?: Size;\n\n  /**\n   * An AWS Lambda layer that includes `kubectl` and `helm`\n   */\n  readonly kubectlLayer: lambda.ILayerVersion;\n\n  /**\n   * Subnets to host the `kubectl` compute resources. If not specified, the k8s\n   * endpoint is expected to be accessible publicly.\n   */\n  readonly privateSubnets?: ec2.ISubnet[];\n\n  /**\n   * The removal policy applied to the custom resource that provides kubectl.\n   *\n   * The removal policy controls what happens to the resource if it stops being managed by CloudFormation.\n   * This can happen in one of three situations:\n   *\n   * - The resource is removed from the template, so CloudFormation stops managing it\n   * - A change to the resource is made that requires it to be replaced, so CloudFormation stops managing it\n   * - The stack is deleted, so CloudFormation stops managing all resources in it\n   *\n   * @default RemovalPolicy.DESTROY\n   */\n  readonly removalPolicy?: RemovalPolicy;\n}\n\n/**\n * Properties for a KubectlProvider\n */\nexport interface KubectlProviderProps extends KubectlProviderOptions {\n  /**\n   * The cluster to control.\n   */\n  readonly cluster: ICluster;\n}\n\n/**\n * Kubectl Provider Attributes\n */\nexport interface KubectlProviderAttributes {\n  /**\n   * The kubectl provider lambda arn\n   */\n  readonly serviceToken: string;\n\n  /**\n   * The role of the provider lambda function.\n   * Only required if you deploy helm charts using this imported provider.\n   *\n   * @default - no role.\n   */\n  readonly role?: iam.IRole;\n}\n\n/**\n * Imported KubectlProvider that can be used in place of the default one created by CDK\n */\nexport interface IKubectlProvider extends IConstruct {\n  /**\n   * The custom resource provider's service token.\n   */\n  readonly serviceToken: string;\n\n  /**\n   * The role of the provider lambda function. If undefined,\n   * you cannot use this provider to deploy helm charts.\n   */\n  readonly role?: iam.IRole;\n}\n\n/**\n * Implementation of Kubectl Lambda\n */\nexport class KubectlProvider extends Construct implements IKubectlProvider {\n  /**\n   * Take existing provider on cluster\n   *\n   * @param scope Construct\n   * @param cluster k8s cluster\n   */\n  public static getKubectlProvider(scope: Construct, cluster: ICluster) {\n    // if this is an \"owned\" cluster, we need to wait for the kubectl barrier\n    // before applying any resources.\n    if (cluster instanceof Cluster) {\n      cluster._dependOnKubectlBarrier(scope);\n    }\n\n    return cluster.kubectlProvider;\n  }\n\n  /**\n   * Import an existing provider\n   *\n   * @param scope Construct\n   * @param id an id of resource\n   * @param attrs attributes for the provider\n   */\n  public static fromKubectlProviderAttributes(scope: Construct, id: string, attrs: KubectlProviderAttributes): IKubectlProvider {\n    class Import extends Construct implements IKubectlProvider {\n      public readonly serviceToken: string = attrs.serviceToken;\n      public readonly role?: iam.IRole = attrs.role;\n    }\n    return new Import(scope, id);\n  }\n\n  /**\n   * The custom resource provider's service token.\n   */\n  public readonly serviceToken: string;\n\n  /**\n   * The IAM execution role of the handler.\n   */\n  public readonly role?: iam.IRole;\n\n  public constructor(scope: Construct, id: string, props: KubectlProviderProps) {\n    super(scope, id);\n\n    const vpc = props.privateSubnets ? props.cluster.vpc : undefined;\n    let securityGroups;\n    if (props.privateSubnets && props.cluster.clusterSecurityGroup) {\n      securityGroups = [props.cluster.clusterSecurityGroup];\n    }\n    const privateSubnets = props.privateSubnets ? { subnets: props.privateSubnets } : undefined;\n\n    const handler = new lambda.Function(this, 'Handler', {\n      timeout: Duration.minutes(15),\n      description: 'onEvent handler for EKS kubectl resource provider',\n      memorySize: props.memory?.toMebibytes() ?? 1024,\n      environment: {\n        // required and recommended for boto3\n        AWS_STS_REGIONAL_ENDPOINTS: 'regional',\n        ...props.environment,\n      },\n      role: props.role,\n      code: lambda.Code.fromAsset(path.join(__dirname, 'kubectl-handler')),\n      handler: 'index.handler',\n      runtime: lambda.Runtime.determineLatestPythonRuntime(this),\n      // defined only when using private access\n      vpc,\n      securityGroups,\n      vpcSubnets: privateSubnets,\n    });\n\n    // allow user to customize the layers with the tools we need\n    handler.addLayers(props.awscliLayer ?? new AwsCliLayer(this, 'AwsCliLayer'));\n    handler.addLayers(props.kubectlLayer);\n\n    const handlerRole = handler.role!;\n\n    handlerRole.addToPrincipalPolicy(new iam.PolicyStatement({\n      actions: ['eks:DescribeCluster'],\n      resources: [props.cluster.clusterArn],\n    }));\n\n    // taken from the lambda default role logic.\n    // makes it easier for roles to be passed in.\n    if (handler.isBoundToVpc) {\n      handlerRole.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName('service-role/AWSLambdaVPCAccessExecutionRole'));\n    }\n\n    // For OCI helm chart authorization.\n    handlerRole.addManagedPolicy(\n      iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonEC2ContainerRegistryReadOnly'),\n    );\n\n    /**\n     * For OCI helm chart public ECR authorization. As ECR public is only available in `aws` partition,\n     * we conditionally attach this policy when the AWS partition is `aws`.\n     */\n    const hasEcrPublicCondition = new CfnCondition(handlerRole.node.scope!, 'HasEcrPublic', {\n      expression: Fn.conditionEquals(Aws.PARTITION, 'aws'),\n    });\n\n    const conditionalPolicy = iam.ManagedPolicy.fromManagedPolicyArn(this, 'ConditionalPolicyArn',\n      Fn.conditionIf(hasEcrPublicCondition.logicalId,\n        iam.ManagedPolicy.fromAwsManagedPolicyName('AmazonElasticContainerRegistryPublicReadOnly').managedPolicyArn,\n        Aws.NO_VALUE).toString(),\n    );\n\n    handlerRole.addManagedPolicy(iam.ManagedPolicy.fromManagedPolicyArn(this, 'conditionalPolicy', conditionalPolicy.managedPolicyArn));\n\n    const provider = new cr.Provider(this, 'Provider', {\n      onEventHandler: handler,\n      vpc: vpc,\n      vpcSubnets: privateSubnets,\n      securityGroups,\n    });\n\n    this.serviceToken = provider.serviceToken;\n    this.role = handlerRole;\n\n    if (props.removalPolicy) {\n      RemovalPolicies.of(this).apply(props.removalPolicy);\n    }\n  }\n}\n"]}