英文:
How can I configure Amazon CDK to trigger a Lambda function after deployment?
问题
我已经使用Amazon CDK部署了一个Lambda函数。我想每次部署时自动调用这个Lambda函数。是否可以使用Amazon CDK构建来实现这一点？
英文:
I have deployed a Lambda function using Amazon CDK. I would like to invoke this Lambda function automatically every time it is deployed. Is it possible to achieve this using the Amazon CDK construct?
答案1
得分: 2
以下是已翻译的内容：
"The canonical way to do this is using CDK triggers, but as @ipbearden correctly points out in the comments, the functionality to run a trigger on every deploy has not been added yet. You can use a hack to always recreate the Trigger on every deploy:
import * as triggers from 'aws-cdk-lib/triggers';const func: lambda.Function;new triggers.Trigger(this, 'MyTrigger-' + Date.now().toString(), {handler: func,});
You can even have it execute after (or before) the deployment of a specific construct.
英文:
The canonical way to do this is using CDK triggers, but as @ipbearden correctly points out in the comments, the functionality to run a trigger on every deploy has not been added yet. You can use a hack to always recreate the Trigger on every deploy:
import * as triggers from 'aws-cdk-lib/triggers';const func: lambda.Function;new triggers.Trigger(this, 'MyTrigger-' + Date.now().toString(), {handler: func,});
You can even have it execute after (or before) the deployment of a specific construct.
答案2
得分: 1
以下是已翻译的内容：
应该可以通过类似以下的CustomResource 来实现：```typescriptconst lambdaTrigger = new cr.AwsCustomResource(this, 'MyFunctionTrigger', {policy: cr.AwsCustomResourcePolicy.fromStatements([new iam.PolicyStatement({actions: ['lambda:InvokeFunction'],effect: iam.Effect.ALLOW,resources: [myFunction.functionArn],}),]),timeout: Duration.minutes(2),onCreate: {service: 'Lambda',action: 'invoke',parameters: {FunctionName: myFunction.functionName,InvocationType: 'Event',},physicalResourceId: cr.PhysicalResourceId.of(Date.now().toString()),},onUpdate: {service: 'Lambda',action: 'invoke',parameters: {FunctionName: myFunction.functionName,InvocationType: 'Event'},physicalResourceId: cr.PhysicalResourceId.of(Date.now().toString())}});
通过在部署时将physicalResourceId设置为当前时间，应该会触发每次部署时执行它。
<details><summary>英文:</summary>You should be able to do this with a CustomResource similar to below:```typescriptconst lambdaTrigger = new cr.AwsCustomResource(this, 'MyFunctionTrigger', {policy: cr.AwsCustomResourcePolicy.fromStatements([new iam.PolicyStatement({actions: ['lambda:InvokeFunction'],effect: iam.Effect.ALLOW,resources: [myFunction.functionArn],}),]),timeout: Duration.minutes(2),onCreate: {service: 'Lambda',action: 'invoke',parameters: {FunctionName: myFunction.functionName,InvocationType: 'Event',},physicalResourceId: cr.PhysicalResourceId.of(Date.now().toString()),},onUpdate: {service: 'Lambda',action: 'invoke',parameters: {FunctionName: myFunction.functionName,InvocationType: 'Event'},physicalResourceId: cr.PhysicalResourceId.of(Date.now().toString())}});
By setting the physicalResourceId to the current time on deploy it should trigger it to execute each deployment.
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