NeptuneStack failed to create

[s4kharitonov]

If your issue relates to the Discovery Process, please first follow the steps described in the implementation guide Debugging the Discovery Component

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Describe the bug
Creation of WDNeptuneDBCluster failed

The Parameter Group workload-discovery-neptune-cluster-parameter-group with DBParameterGroupFamily neptune1 cannot be used for this instance. Please use a Parameter Group with DBParameterGroupFamily neptune1.2 (Service: AmazonNeptune; Status Code: 400; Error Code: InvalidParameterCombination; Request ID: 43e211aa-5f07-40a6-af07-4ffc2d3b6f87; Proxy: null)

To Reproduce
Steps to reproduce the behavior:

Run main.template

Expected behavior
NeptuneStack created successful

Screenshots

[svozza]

We are currently working on releasing a fix for this. As a workaround, you can edit the Family field to neptune1.2 in the template linked below to continue:

https://github.com/awslabs/workload-discovery-on-aws/blob/c87dfe411593dea905e36deceac2d31fee396657/source/cfn/templates/neptune.template#L391

https://github.com/awslabs/workload-discovery-on-aws/blob/c87dfe411593dea905e36deceac2d31fee396657/source/cfn/templates/neptune.template#L425

[dieherna]

Svozza I have been trying to figure out exactly how to implement the provided workaround however I am not having much luck. When you import the Cloudformation template I don’t see an option to be able to edit the nested neptune.template. I have also tried uploading the contents of the cfn folder from this github to my own S3 bucket and then tried deploying the main.template after modifying neptune.template but then the stack fails to build as it looks like it doesn’t resolve the variables in main.template. Also I notice there are some zip files that some of the other templates are referencing.

Any guidance you can provide is much appreciated.

[svozza]

The easiest way to get it working is the do a local build. Clone the repo, make the changes to the template and follow the instructions here: https://github.com/awslabs/workload-discovery-on-aws#deploying-a-local-build.

[s4kharitonov]

Local build

Failed on TaskStack stack

  TaskStack:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL:
        !Sub
          - ${DeploymentBucket}/discovery-crawler.template
          - DeploymentBucket: !GetAtt Variables.DeploymentBucket
      TimeoutInMinutes: 60
      Parameters:
        DiscoveryBucket: !GetAtt S3Buckets.Outputs.DiscoveryBucket
        AppName: !FindInMap [Solution, Constants, AppName]
        PrivateSubnet0: !GetAtt VpcStack.Outputs.PrivateSubnet0
        PrivateSubnet1: !GetAtt VpcStack.Outputs.PrivateSubnet1
        VpcId: !GetAtt VpcStack.Outputs.VPCId
        VpcEndpointsSg: !GetAtt VpcStack.Outputs.VpcEndpointsSg
        ImageVersion: !FindInMap [Solution, Constants, ImageVersion]
        ConfigurationAggregator: !GetAtt ConfigAggregator.Outputs.PerspectiveConfigurationAggregator
        AppSyncArn: !GetAtt AppSyncApiStack.Outputs.AppSyncApiArn
        AppSyncApiUrl: !GetAtt AppSyncApiStack.Outputs.AppSyncApiUrl
        Cpu: 1024
        Memory: 2048
        Decorators: !GetAtt LayerStack.Outputs.Decorators
        BotoUtils: !GetAtt LayerStack.Outputs.BotoUtils
        CustomResourceHelper: !GetAtt LayerStack.Outputs.CustomResourceHelper
        DeploymentBucketName: !GetAtt Variables.DeploymentBucketName
        DeploymentBucketKey: !FindInMap [ Solution, Constants, DeploymentBucketKey ]

Template: discovery-crawler.template

  CleanupECRRepository:
    Type: Custom::Setup
    Properties:
      ServiceToken: !GetAtt CleanupRepositoryFunction.Arn
      LogLevel: !Ref LogLevel
      Repository: !Ref PerspectiveContainerRepo

[svozza]

This issue has arisen before but I've never been able to reproduce it for some reason. To unblock yourself, just comment out that custom resource in the cfn template and reupload it. All it means is that if you uninstall, you'll have to manually delete the ECR repository.

[svozza]

The fix for the Neptune issue has now been released. You can download the updated template here: https://aws.amazon.com/solutions/implementations/workload-discovery-on-aws/.