Diskoteket opened a new issue, #269:
URL: https://github.com/apache/cloudstack-terraform-provider/issues/269
### Affected Resources
- resource "cloudstack_instance"
- resource "cloudstack_user_data"
### Description
I have deployed Apache Cloudstack and I want to create instances with
userdata.
My userdata is merely `7544 bytes` but when the provider tries to issue a
GET method during orchestration the error code `4350` is thrown.
I have tried pasting userdata in the webui and referencing on the instance
but the same issue is thrown, see below.
I have tried increasing the `vm.userdata.max.length` setting from `32768` to
`1048576` , but it didn't help.
**My userdata:**
```terraform
output "user_data_size_bytes" {
value = length(base64encode(local.my-vm_cloudinit))
}
```
```bash
Apply complete! Resources: 0 added, 0 changed, 0 destroyed.
Outputs:
user_data_size_bytes = 7544
```
I am not sure what the solution for this is since I have not delved into the
code, but in the documentation there seems to be a [higher limit for POST
method in the
API](https://docs.cloudstack.apache.org/en/4.22.0.0/adminguide/virtual_machines/user-data.html#storing-and-accessing-user-data),
maybe this could solve this issue?
> HTTP GET parameters are limited to a length of 2048 bytes, but it is
possible to store larger User Data blobs by sending them in the body via HTTP
POST instead of GET.
### Provider resource snippets
https://github.com/apache/cloudstack-terraform-provider/blob/16915b6926557720c001264cecdbe1c9caedd85c/cloudstack/resource_cloudstack_instance.go#L453
https://github.com/apache/cloudstack-terraform-provider/blob/16915b6926557720c001264cecdbe1c9caedd85c/cloudstack/resource_cloudstack_user_data.go#L91
### Debug output
```bash
cloudstack_user_data.my-vm: Creating...
╷
│ Error: Error registering user data: CloudStack API error 431
(CSExceptionErrorCode: 4350): User data is too long for http GET request
```
```bash
cloudstack_instance.my-vm: Creating...
╷
│ Error: Error creating the new instance my-vm: CloudStack API error 431
(CSExceptionErrorCode: 4350): User data is too long for http GET request
```
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