aws Property validation failure for a ONTAP volume creation - amazon-web-services

Question

I am trying to Create AWS FSxN(ONTAP) Volume via Cloudformation where I'm using Parameters also while executing the template stack it failing with an error as given below.
Being a novice I'm not able to catch the issue, any help or hint Would be much appreciated.
cloudformation template below:
---
AWSTemplateFormatVersion: "2010-09-09"
Description: >
Description: "AWS CloudFormation to create multiple ONTAP volumes.
Parameters:
VolumeName1:
Type: String
Description: 'The name of the first volume.'
Default: 'testVol001'
Volume1Size:
Description: 'The size of the first volume.'
Type: Number
Default: 100
VolumeName2:
Type: String
Description: 'The name of the Second volume.'
Default: 'testVol002'
Volume2Size:
Type: Number
Description: 'The size of the first volume.'
Default: '100'
SVMName:
Type: String
Description: 'Provide the name of the backup-plan'
Default: 'svm-0524816479dbbe473'
FSxVolType:
Type: String
Description: 'FSx Volume Type'
Default: 'ONTAP'
Resources:
VolumeName:
Type: "AWS::FSx::Volume"
Properties:
Name: !Ref VolumeName1
OntapConfiguration:
-
JunctionPath: !Ref VolumeName1
SizeInMegabytes: !Ref Volume1Size
StorageEfficiencyEnabled: true
StorageVirtualMachineId: !Ref SVMName
VolumeType: !Ref FSxVolType
Tags:
- Key: "archival"
Value: "backup"
VolumeName:
Type: "AWS::FSx::Volume"
Properties:
Name: !Ref VolumeName2
OntapConfiguration:
-
JunctionPath: !Ref VolumeName2
SizeInMegabytes: !Ref Volume2Size
StorageEfficiencyEnabled: true
StorageVirtualMachineId: !Ref SVMName
VolumeType: !Ref FSxVolType
Tags:
- Key: "archival"
Value: "backup"
...
Error:
2022-08-03 21:52:24 UTC+0530 VolumeName CREATE_FAILED Property validation failure: [Value of property {/OntapConfiguration} does not match type {Object}]

Answer 1

You should try using substitute !Sub to substitute the Parameter or Variable in the template you need to specify template parameter names or resource logical IDs, such with clode curly parenthesis and a doller sign as ${}, you also need to correct the indentation and remove the - .
More information can be found on the AWS documentation AWS Sub
Please try Below its working ...
---
Description: "This is Cloudformation template for Creating Multiple Volumes While using parameters."
Parameters:
FSxSVMiD:
Default: svm-0524816479dbbe473
Description: "Provide the SVM Name for FSxN"
Type: String
FSxVolType:
Default: 'ONTAP'
Type: String
FSxVolume01:
Default: DemoFSxVolume01
Description: "This is First Volume in the template Selection"
Type: String
FSxVolume02:
Default: DemoFsxVolume02
Description: "This is Second Volume in the template Selection"
Type: String
FSxVolumeSize:
Default: 1024
Type: Number
Resources:
AWSDemoVolume1:
Description: "This is a Demo Volume resource"
Type: 'AWS::FSx::Volume'
Properties:
Name: !Ref FSxVolume01
OntapConfiguration:
JunctionPath: !Sub "/${FSxVolume01}"
SizeInMegabytes: !Ref FSxVolumeSize
StorageEfficiencyEnabled: true
StorageVirtualMachineId: !Ref FSxSVMiD
VolumeType: !Ref FSxVolType
Tags:
- Key: "backup"
Value: "archival"
AWSDemoVolume2:
Description: "This is a Demo Volume resource"
Type: 'AWS::FSx::Volume'
Properties:
Name: !Ref FSxVolume02
OntapConfiguration:
JunctionPath: !Sub "/${FSxVolume02}"
SizeInMegabytes: !Ref FSxVolumeSize
StorageEfficiencyEnabled: true
StorageVirtualMachineId: !Ref FSxSVMiD
VolumeType: !Ref FSxVolType
Tags:
- Key: "backup"
Value: "archival"