A Json file presenting a FIS template for injecting failures into a Lambda function

lambda_fis_experiment.json

{
    "description": "Inject Lambda failures using Lambda extension",
    "targets": {},
    "actions": {
        "S00_AttachExtensionToLambda": {
            "actionId": "aws:ssm:start-automation-execution",
            "description": "Attach chaos extension to lambda function",
            "parameters": {
                "documentArn": "[ARN of the SSM document we created above]",
                "documentParameters": "{\"AutomationAssumeRole\": \"[ARN of an IAM role with permissions to update a Lambda function]\" , \"FunctionName\": \"[The name of the function we want to inject failures to]\", \"LayerArn\": \"arn:aws:lambda:us-east-1:871265522301:layer:chaos-lambda-extension-x86_64-unknown-linux-gnu-release:12\", \"AliasName\": \"[The alias of the function we want to update]\" }",
                "maxDuration": "PT1M"
            }
        },
        "S01_Wait": {
            "actionId": "aws:fis:wait",
            "parameters": {
                "duration": "PT10M"
            },
            "startAfter": [
                "S00_AttachExtensionToLambda"
            ]
        },
        "S02_DetachExtensionFromLambda": {
            "actionId": "aws:ssm:start-automation-execution",
            "description": "Attach chaos extension to lambda function",
            "parameters": {
                "documentArn": "[ARN of an SSM document similar to the one created above]",
                "documentParameters": "{\"ChaosMode\": \"DISABLED\", \"AutomationAssumeRole\": \"[ARN of an IAM role with permissions to update a Lambda function]\" , \"FunctionName\": \"[The name of the function we want to inject failures to]\", \"LayerArn\": \"arn:aws:lambda:us-east-1:871265522301:layer:chaos-lambda-extension-x86_64-unknown-linux-gnu-release:12\", \"AliasName\": \"[The alias of the function we want to update]\" }",
                "maxDuration": "PT1M"
            },
            "startAfter": [
                "S01_Wait"
            ]
        },
    },
    "stopConditions": [
        {
            "source": "none"
        }
    ],
    "roleArn": "[ARN with permission to run an experiment]",

    ...
}