Terraform assuming EC2 role instead of ECS role

[vinujan59]

I can confirm that ECS container which is running the terraform has the environmental variable AWS_CONTAINER_CREDENTIALS_RELATIVE_URI

Terraform Version

v0.12.21

Terraform Configuration Files

dev-backend-config
bucket=""
key=""
region=""

command - terraform init -backend-config="dev-backend-config"

Debug Output

2020/03/03 11:46:52 [INFO] ECS container credentials detected, RemoteCredProvider added to auth chain
2020/03/03 11:46:52 [INFO] AWS EC2 instance detected via default metadata API endpoint, EC2RoleProvider added to the auth chain
2020/03/03 11:46:53 [INFO] AWS Auth provider used: "EC2RoleProvider

Crash Output

Expected Behavior

Terraform should assume role assigned to ECS task

Actual Behavior

Terraform is assuming EC2 role

Steps to Reproduce

Additional Context

References

[bflad]

Multiple fixes for credential ordering, automatically using the AWS shared configuration file if present, and profile configuration handling of the S3 Backend have been merged and will release with version 0.13.0-beta2 of Terraform.

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