data aws_launch_configuration throws Error: Invalid address to set: []string{"ebs_block_device", "0", "no_device"}

[ghost]

This issue was originally opened by @datapromike as hashicorp/terraform#25787. It was migrated here as a result of the provider split. The original body of the issue is below.

---

Terraform Version

Terraform v0.12.29
+ provider.aws v3.0.0

Terraform Configuration Files

provider "aws" {
  profile = "default"
  secret_key = var.secret_key
  region     = var.aws_region
}

data "aws_launch_configuration" "launch_config" {
  name = "EA-cluster-LaunchConfig1-19A7XZL8FKR8A"
}

Debug Output

Debug Output

Crash Output

N/A

Expected Behavior

Retrieve launch configuration data

Actual Behavior

Returns Error:

data.aws_availability_zones.available: Refreshing state...
data.aws_launch_configuration.launch_config: Refreshing state...

Error: Invalid address to set: []string{"ebs_block_device", "0", "no_device"}

on marklogic-cf-with-tf-exist-vpc.tf line 40, in data "aws_launch_configuration" "launch_config":
40: data "aws_launch_configuration" "launch_config" {

Steps to Reproduce

terraform apply

Additional Context

There are two EBS devices in the launch configuration, both with encrypted set to false:

 <DescribeImagesResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
     <requestId>2d9d0dd2-9c9c-42af-a290-31c8eea45ecc</requestId>
     <imagesSet>
         <item>
             <imageId>ami-0b08f9840dc6d5f9b</imageId>
             <imageLocation>aws-marketplace/release-MarkLogic-10.0-4.x86_64.rpm-52ce1567-c738-4208-be90-08b575f2c41d-ami-072912159b2174cd4.4</imageLocation>
             <imageState>available</imageState>
             <imageOwnerId>679593333241</imageOwnerId>
             <creationDate>2020-04-16T13:16:50.000Z</creationDate>
             <isPublic>true</isPublic>
             <productCodes>
                 <item>
                     <productCode>4whbpp8cq0qvbyg98jlvmjod9</productCode>
                     <type>marketplace</type>
                 </item>
             </productCodes>
             <architecture>x86_64</architecture>
             <imageType>machine</imageType>
             <sriovNetSupport>simple</sriovNetSupport>
             <imageOwnerAlias>aws-marketplace</imageOwnerAlias>
             <name>release-MarkLogic-10.0-4.x86_64.rpm-52ce1567-c738-4208-be90-08b575f2c41d-ami-072912159b2174cd4.4</name>
             <description>release-MarkLogic-10.0-4.x86_64.rpm</description>
             <rootDeviceType>ebs</rootDeviceType>
             <rootDeviceName>/dev/xvda</rootDeviceName>
             <blockDeviceMapping>
                 <item>
                     <deviceName>/dev/xvda</deviceName>
                     <ebs>
                         <snapshotId>snap-038f64149ad8b9993</snapshotId>
                         <volumeSize>8</volumeSize>
                         <deleteOnTermination>true</deleteOnTermination>
                         <volumeType>gp2</volumeType>
                         <encrypted>false</encrypted>
                     </ebs>
                 </item>
                 <item>
                     <deviceName>/dev/sdf</deviceName>
                     <ebs>
                         <snapshotId>snap-007fd7e86733caab0</snapshotId>
                         <volumeSize>10</volumeSize>
                         <deleteOnTermination>true</deleteOnTermination>
                         <volumeType>gp2</volumeType>
                         <encrypted>false</encrypted>
                     </ebs>
                 </item>
             </blockDeviceMapping>
             <virtualizationType>hvm</virtualizationType>
             <hypervisor>xen</hypervisor>
             <enaSupport>true</enaSupport>
             <platformDetails>Linux/UNIX</platformDetails>
             <usageOperation>RunInstances</usageOperation>
         </item>
     </imagesSet>
 </DescribeImagesResponse>

References

Appears similar to:

• Invalid address to set: []string{"root_block_device", "0", "encrypted"} terraform#5108

[ewbankkit]

Similar underlying cause:

• aws_lb Data Source returns error setting subnet_mapping: Invalid address to set: []string{"subnet_mapping", "0", "private_ipv4_address"} #14565

[bflad]

The fix for this has been merged and will release with version 3.2.0 of the Terraform AWS Provider, later today. Thanks to @ewbankkit for the implementation. 👍

[ghost]

This has been released in version 3.2.0 of the Terraform AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template for triage. Thanks!

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!