Re: [packer] Error reading variables in 'vars.json': json: cannot unmarshal object into Go value of type string

[Rickard von Essen]

Drop the outer { and "variables":.

 See https://packer.io/docs/templates/user-variables.html#from-a-file

On Sat, Jun 8, 2019, 22:59 Arun kumar <devops...@gmail.com> wrote:

Hi All,

I have been using packer for ami builds recently. when I used the variables inside the template, template works fine but when I provide the variables using -var-file=variables.json, it throws me below mentioned error.

"Error reading variables in 'vars.json': json: cannot unmarshal object into Go value of type string"

I looked for a thread to find out the solution, but haven't had luck finding it. Most of the threads are incomplete...

Can someone please shed some light why is this happening. Below is my variables file.

{

"variables":

{

"aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",

"aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}",

"aws_session_token" : "{{env `AWS_SESSION_TOKEN`}}",

    "region": "us-east-1",

    "iam_role": "packer-role",

    "vpc_id": "vpc-xxxxxxx",

    "subnet_id": "subnet-xxxxxxxx",

    "security_group_id": "sg-xxxxxxxxx",

    "created_ami_name": "xxxxxxxx-{{env `date +%Y-%m-%d`}}",

"kms_key_id": "ami-kms-key",

"instance_type": "t2.micro",

"Environment": "dev",

"source_ami_name": "testami",

"ssh_username": "ubuntu",

"script": "setup.sh",

"owners": ["987654321"]

}

}

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