[pipelines] self-update build fails with named pipeline stack

When naming the pipeline stack using the stackName property with a different name than the id, the self-update build fails with an error that it cannot find the stack.

Reproduction Steps

Create a pipeline project and give the pipeline stack a custom name.

import * as cdk from '@aws-cdk/core';
import { PipelineStack } from '../lib/pipeline-stack';

const app = new cdk.App();

new PipelineStack(app, 'PipelineStack', {
    stackName: 'Pipeline'
});

app.synth();

Then deploy the project and have a look at the pipeline execution.

What did you expect to happen?

I expected the pipeline stack to be named ‘Pipeline’. This happened successfully on the first deploy from my local command line. Then I expected the pipeline build to execute successfully and update the pipeline, however this step failed. It works fine, when I don’t supply a stackName.

What actually happened?

The update build failed with the error message that it could not find the stack ‘Pipeline’.

95	No stack found matching 'Pipeline'. Use "list" to print manifest
96	Error: No stack found matching 'Pipeline'. Use "list" to print manifest
97	    at CloudAssembly.selectStacks (/usr/local/lib/node_modules/aws-cdk/lib/api/cxapp/cloud-assembly.ts:115:15)
98	    at CdkToolkit.selectStacksForDeploy (/usr/local/lib/node_modules/aws-cdk/lib/cdk-toolkit.ts:381:35)
99	    at CdkToolkit.deploy (/usr/local/lib/node_modules/aws-cdk/lib/cdk-toolkit.ts:111:20)
100	    at initCommandLine (/usr/local/lib/node_modules/aws-cdk/bin/cdk.ts:197:9)

Environment

• CLI Version : 1.66.0
• Framework Version: 1.66.0
• Node.js Version: v14.11.0
• OS : Linux x86_64
• Language (Version): Typescript

Other

---

This is 🐛 Bug Report

[alehatsman]

Hello,

I was able to workaround the issue with the next code:

class MyCdkPipeline extends CdkPipeline {
  constructor(scope: cdk.Construct, id: string, props: CdkPipelineProps) {
    // pass self mutating false to prevent bug behaviour
    super(scope, id, {...props, selfMutating: false});

    const pipelineStack = cdk.Stack.of(this);

    if (props.selfMutating ?? true) {
      this.codePipeline.addStage({
        stageName: 'UpdatePipeline',
        actions: [new UpdatePipelineAction(this, 'UpdatePipeline', {
          cloudAssemblyInput: props.cloudAssemblyArtifact,
          // use logical id as pipelineStackName to get correct cli command
          pipelineStackName: pipelineStack.node.id,
          cdkCliVersion: props.cdkCliVersion,
          projectName: `${props.pipelineName}-selfupdate`,
        })]
      })
    }
  }
}

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