Upgrade to Terraform Plugin SDK v2

[holmesb]

https://www.terraform.io/plugin/sdkv2/guides/v2-upgrade-guide

[SchoolGuy]

@hbokh Could you help out here maybe? I don't have the bandwith atm sadly.

[hbokh]

I'm sorry but I am unable to handle this for various reasons.

• at $COMPANY we are moving away from Cobbler and are still on v3.1.2. I am unable to test this (quickly) against the latest Cobbler version v3.3.2. Would need to setup a test env in my spare time.
• I am not a (Go) developer. An experienced developer is definitely needed to solve this issue.
  Nevertheless I gave it a quick try / look anyway by scanning the Terraform Plugin SDK v2 Upgrade Guide.
  This is where I get stuck:

$GOPATH/bin/tf-sdk-migrator v2upgrade
Rewriting provider go.mod file...
Rewriting SDK package imports...
Running `go mod tidy`...
Error running go mod tidy: exit status 1
go: finding module for package github.com/hashicorp/terraform-plugin-sdk/v2/helper/hashcode
go: finding module for package github.com/hashicorp/terraform-plugin-sdk/v2/helper/pathorcontents
github.com/cobbler/terraform-provider-cobbler/cobbler imports
	github.com/hashicorp/terraform-plugin-sdk/v2/helper/hashcode: module github.com/hashicorp/terraform-plugin-sdk/v2@latest found (v2.17.0), but does not contain package github.com/hashicorp/terraform-plugin-sdk/v2/helper/hashcode
github.com/cobbler/terraform-provider-cobbler/cobbler imports
	github.com/hashicorp/terraform-plugin-sdk/v2/helper/pathorcontents: module github.com/hashicorp/terraform-plugin-sdk/v2@latest found (v2.17.0), but does not contain package github.com/hashicorp/terraform-plugin-sdk/v2/helper/pathorcontents

From the changelog:

BREAKING CHANGES

Removed the helper/mutexkv, helper/pathorcontents, httpclient, and helper/hashcode packages. These packages can be easily replicated in plugin code if necessary or the v1 versions can be used side-by-side (hashicorp/terraform-plugin-sdk#438)

As stated, I think someone with proper Golang knowledge can fix this easily, but sadly that won't be me...

[SchoolGuy]

Okay thanks a lot for the quick look though! @hbokh

I guess then this will be added to the endless list of things I need to fix on the weekend.