Question 19911 in Amazon Web Sevices Question posted in
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Error while creating aws_launch_template using Terraform

I am receiving an error while creating aws_launch_template using Terraform, below the error message
I am using an existing Role which is pre-created in the account

Error message – An argument named "iam_instance_profile" is not expected here. Did you mean to define a block of type "iam_instance_profile"?

Code

data "aws_iam_roles" "seamless_domain_join_role" {
  name = "seamless-domain-join-role"
}

data "aws_iam_instance_profile" "autoscale-instance-profile" {
  name = "seamless-domain-join-role"
}


resource "aws_launch_template" "Windows-instance" {
  name_prefix   = "Windows_Instance"
  image_id      = "ami-0526b9747c2c87a0b"
  iam_instance_profile = {
              arn = data.aws_iam_instance_profile.autoscale-instance-profile.arn
          }
  instance_type = "t2.medium"
  tag_specifications {
    resource_type = "instance"
    tags = {
      Name : "sk-autoscaling-dj"
    }
  }
}

I am receiving same error with **name ** as well.

  iam_instance_profile = {
              name= data.aws_iam_instance_profile.autoscale-instance-profile.name
          }

Any suggestions will be appreciated.

Any suggestions on how to fix this issue?

Tags:

2

Answers


  1. 0

    You don’t need the = sign as that is a block not an argument:

    iam_instance_profile {
  arn = data.aws_iam_instance_profile.autoscale-instance-profile.arn
}

    This should really be clear from the provider documentation for aws_launch_template resource [1].

    [1] https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_template#example-usage

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  2. 0

    I see two mistakes in the code-

    • The first one is in-
    data "aws_iam_roles" "seamless_domain_join_role" {
  name = "seamless-domain-join-role"
}

    It should be aws_iam_role , rather than aws_iam_roles .

    • The second mistake is in-
      iam_instance_profile = {
              arn = data.aws_iam_instance_profile.autoscale-instance-profile.arn
          }

    It doesn’t need a = as its a block.

    The correct code is –

    data "aws_iam_role" "seamless_domain_join_role" {
  name = "seamless-domain-join-role"
}

data "aws_iam_instance_profile" "autoscale-instance-profile" {
  name = "seamless-domain-join-role"
}

resource "aws_launch_template" "Windows-instance" {
  name_prefix = "Windows_Instance"
  image_id    = "ami-0526b9747c2c87a0b"
  iam_instance_profile {
    arn = data.aws_iam_instance_profile.autoscale-instance-profile.arn
  }
  instance_type = "t2.medium"
  tag_specifications {
    resource_type = "instance"
    tags = {
      Name : "sk-autoscaling-dj"
    }
  }
}

    terraform validate

    Success! The configuration is valid.

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