IAM role arn fails regex validation for Cloudian S3

[av-edgsle]

Description

I am using terraform aws provider against Cloudian S3 system. When using assume_role, terraform fails because Cloudian arn is a different format than aws. Assuming role works fine when using aws cli so I am guessing terraform shouldn't have an issue either.

Is it possible to skip the arn regex validation when using assume_role? Or are there any other workarounds?

References

Error: "assume_role.0.role_arn" (arn:aws:iam::ab8fcacd140e0b128730b1ea80943a4b:role/terraform-testing-role) is an invalid ARN: invalid account ID value (expecting to match regular expression: ^(aws|aws-managed|third-party|\d{12}|cw.{10})$)
│
│   with provider["registry.terraform.io/hashicorp/aws"],
│   on main.tf line 25, in provider "aws":
│   25:     role_arn = "arn:aws:iam::ab8fcacd140e0b128730b1ea80943a4b:role/terraform-testing-role"

Would you like to implement a fix?

None

[github-actions[bot]]

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