@aws-community/ephemeral
Version:
Ephemeral Stacks! A CDK Stack and Construct that will self-destruct after a specified time period.
93 lines • 13.2 kB
JavaScript
"use strict";
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SelfDestructConstruct = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const aws_stepfunctions_tasks_1 = require("aws-cdk-lib/aws-stepfunctions-tasks");
const aws_stepfunctions_1 = require("aws-cdk-lib/aws-stepfunctions");
const constructs_1 = require("constructs");
const aws_cdk_lib_1 = require("aws-cdk-lib");
const custom_resources_1 = require("aws-cdk-lib/custom-resources");
const self_destruct_aspect_1 = require("./self-destruct-aspect");
class SelfDestructConstruct extends constructs_1.Construct {
constructor(scope, id, props = {}) {
super(scope, id);
const { duration } = props;
const listExecutions = new aws_stepfunctions_tasks_1.CallAwsService(this, 'ListExecutions', {
action: 'listExecutions',
iamAction: 'states:ListExecutions',
iamResources: ['*'],
parameters: {
'StateMachineArn.$': '$$.StateMachine.Id',
StatusFilter: 'RUNNING',
},
service: 'sfn',
});
const executionsMap = new aws_stepfunctions_1.Map(this, 'ExecutionsMap', {
inputPath: '$.Executions',
});
const stopExecution = new aws_stepfunctions_tasks_1.CallAwsService(this, 'StopExecution', {
action: 'stopExecution',
iamAction: 'states:StopExecution',
iamResources: ['*'],
parameters: {
Cause: 'Superceded',
'ExecutionArn.$': '$.ExecutionArn',
},
service: 'sfn',
});
executionsMap.iterator(new aws_stepfunctions_1.Choice(this, 'NotSelf?')
.when(aws_stepfunctions_1.Condition.not(aws_stepfunctions_1.Condition.stringEqualsJsonPath('$.ExecutionArn', '$$.Execution.Id')), stopExecution)
.otherwise(new aws_stepfunctions_1.Pass(this, 'self')));
const wait = new aws_stepfunctions_1.Wait(this, 'Wait', {
time: aws_stepfunctions_1.WaitTime.duration(duration),
});
const wasDelete = new aws_stepfunctions_1.Choice(this, 'WasDelete?')
.when(aws_stepfunctions_1.Condition.stringEquals('$$.Execution.Input.Action', 'Delete'), new aws_stepfunctions_1.Succeed(this, 'DeleteSuccess'))
.otherwise(wait);
const deleteStack = new aws_stepfunctions_tasks_1.CallAwsService(this, 'DeleteStack', {
action: 'deleteStack',
iamAction: 'cloudformation:DeleteStack',
iamResources: ['*'],
parameters: {
'StackName.$': '$$.Execution.Input.StackName',
},
service: 'cloudformation',
});
const finished = new aws_stepfunctions_1.Succeed(this, 'Finished');
listExecutions.next(executionsMap);
executionsMap.next(wasDelete);
wait.next(deleteStack);
deleteStack.next(finished);
const sm = new aws_stepfunctions_1.StateMachine(this, 'SelfDestructMachine', {
definitionBody: aws_stepfunctions_1.DefinitionBody.fromChainable(listExecutions),
});
const sdkCall = (Action) => ({
action: 'startExecution',
parameters: {
input: JSON.stringify({
Action,
StackArn: aws_cdk_lib_1.Stack.of(this).stackId,
StackName: aws_cdk_lib_1.Stack.of(this).stackName,
Version: `${Date.now()}`,
}),
stateMachineArn: sm.stateMachineArn,
},
physicalResourceId: custom_resources_1.PhysicalResourceId.of('SelfDestructCR'),
service: 'StepFunctions',
});
new custom_resources_1.AwsCustomResource(this, 'SelfDestructCR', {
onCreate: sdkCall('Create'),
onDelete: sdkCall('Delete'),
onUpdate: sdkCall('Update'),
policy: custom_resources_1.AwsCustomResourcePolicy.fromSdkCalls({
resources: [sm.stateMachineArn],
}),
});
aws_cdk_lib_1.Aspects.of(aws_cdk_lib_1.Stack.of(this)).add(new self_destruct_aspect_1.SelfDestructAspect());
}
}
_a = JSII_RTTI_SYMBOL_1;
SelfDestructConstruct[_a] = { fqn: "@aws-community/ephemeral.SelfDestructConstruct", version: "2.1.0" };
exports.SelfDestructConstruct = SelfDestructConstruct;
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{ CallAwsService } from 'aws-cdk-lib/aws-stepfunctions-tasks';\nimport { Choice,\n  Condition,\n  DefinitionBody,\n  Map,\n  Pass,\n  StateMachine,\n  Succeed,\n  Wait,\n  WaitTime } from 'aws-cdk-lib/aws-stepfunctions';\nimport { Construct } from 'constructs';\nimport { Aspects, Duration, Stack } from 'aws-cdk-lib';\nimport { AwsCustomResource,\n  AwsCustomResourcePolicy,\n  AwsSdkCall,\n  PhysicalResourceId } from 'aws-cdk-lib/custom-resources';\nimport { SelfDestructAspect } from './self-destruct-aspect';\n\nexport interface SelfDestructConstructProps {\n  readonly duration: Duration\n}\n\nexport class SelfDestructConstruct extends Construct {\n  constructor (scope: Construct, id: string, props: SelfDestructConstructProps = {\n  } as SelfDestructConstructProps) {\n    super(scope, id);\n\n    const { duration } = props;\n\n    const listExecutions = new CallAwsService(this, 'ListExecutions', {\n      action: 'listExecutions',\n      iamAction: 'states:ListExecutions',\n      iamResources: ['*'],\n      parameters: {\n        'StateMachineArn.$': '$$.StateMachine.Id',\n        StatusFilter: 'RUNNING',\n      },\n      service: 'sfn',\n    });\n\n    const executionsMap = new Map(this, 'ExecutionsMap', {\n      inputPath: '$.Executions',\n    });\n\n    const stopExecution = new CallAwsService(this, 'StopExecution', {\n      action: 'stopExecution',\n      iamAction: 'states:StopExecution',\n      iamResources: ['*'],\n      parameters: {\n        Cause: 'Superceded',\n        'ExecutionArn.$': '$.ExecutionArn',\n      },\n      service: 'sfn',\n    });\n\n    executionsMap.iterator(\n      new Choice(this, 'NotSelf?')\n        .when(\n          Condition.not(\n            Condition.stringEqualsJsonPath('$.ExecutionArn', '$$.Execution.Id'),\n          ),\n          stopExecution,\n        )\n        .otherwise(new Pass(this, 'self')),\n    );\n\n    const wait = new Wait(this, 'Wait', {\n      time: WaitTime.duration(duration),\n    });\n    const wasDelete = new Choice(this, 'WasDelete?')\n      .when(\n        Condition.stringEquals('$$.Execution.Input.Action', 'Delete'),\n        new Succeed(this, 'DeleteSuccess'),\n      )\n      .otherwise(wait);\n\n    const deleteStack = new CallAwsService(this, 'DeleteStack', {\n      action: 'deleteStack',\n      iamAction: 'cloudformation:DeleteStack',\n      iamResources: ['*'],\n      parameters: {\n        'StackName.$': '$$.Execution.Input.StackName',\n      },\n      service: 'cloudformation',\n    });\n\n    const finished = new Succeed(this, 'Finished');\n\n    listExecutions.next(executionsMap);\n    executionsMap.next(wasDelete);\n    wait.next(deleteStack);\n    deleteStack.next(finished);\n\n    const sm = new StateMachine(this, 'SelfDestructMachine', {\n      definitionBody: DefinitionBody.fromChainable(listExecutions),\n    });\n\n    const sdkCall = (Action: string): AwsSdkCall => ({\n      action: 'startExecution',\n      parameters: {\n        input: JSON.stringify({\n          Action,\n          StackArn: Stack.of(this).stackId,\n          StackName: Stack.of(this).stackName,\n          Version: `${Date.now()}`,\n        }),\n        stateMachineArn: sm.stateMachineArn,\n      },\n      physicalResourceId: PhysicalResourceId.of('SelfDestructCR'),\n      service: 'StepFunctions',\n    });\n\n    new AwsCustomResource(this, 'SelfDestructCR', {\n      onCreate: sdkCall('Create'),\n      onDelete: sdkCall('Delete'),\n      onUpdate: sdkCall('Update'),\n      policy: AwsCustomResourcePolicy.fromSdkCalls({\n        resources: [sm.stateMachineArn],\n      }),\n    });\n\n    Aspects.of(Stack.of(this)).add(new SelfDestructAspect());\n  }\n}\n"]}