Upgrade dependencies and remove retracted version

[jaredledvina]

Motivation

Currently attempting to go get this project with Go 1.16 fails with the following:

❯ go get -u github.com/minamijoyo/tflock
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/consul imports
	github.com/hashicorp/consul/api: ambiguous import: found package github.com/hashicorp/consul/api in multiple modules:
	github.com/hashicorp/consul v0.0.0-20171026175957-610f3c86a089 (/Users/jared.ledvina/go/pkg/mod/github.com/hashicorp/[email protected]/api)
	github.com/hashicorp/consul/api v1.8.1 (/Users/jared.ledvina/go/pkg/mod/github.com/hashicorp/consul/[email protected])
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes/typed/coordination/v1: cannot find module providing package k8s.io/client-go/kubernetes/typed/coordination/v1
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes imports
	k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1 imports
	k8s.io/api/admissionregistration/v1alpha1: cannot find module providing package k8s.io/api/admissionregistration/v1alpha1
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes imports
	k8s.io/client-go/kubernetes/typed/auditregistration/v1alpha1 imports
	k8s.io/api/auditregistration/v1alpha1: cannot find module providing package k8s.io/api/auditregistration/v1alpha1
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes imports
	k8s.io/client-go/kubernetes/typed/batch/v2alpha1 imports
	k8s.io/api/batch/v2alpha1: cannot find module providing package k8s.io/api/batch/v2alpha1
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes imports
	k8s.io/client-go/kubernetes/typed/settings/v1alpha1 imports
	k8s.io/api/settings/v1alpha1: cannot find module providing package k8s.io/api/settings/v1alpha1
go: warning: k8s.io/[email protected]+incompatible: retracted by module author: pre-module versions are obsolete
go: to switch to the latest unretracted version, run:
	go get k8s.io/client-go@latest

Details

The kubernetes folks have retracted many versions of the client-go library via kubernetes/kubernetes#98267. This PR attempts to remove the retracted version and upgrades the Terraform and Golang version to the latest state releases while I'm here.

I copied over the grpc & client-go replaces from https://github.com/hashicorp/terraform/blob/v0.15.1/go.mod#L141-L143 as without them go mod would complain:

diff --git a/go.mod b/go.mod
index 919dac8..bdaee91 100644
--- a/go.mod
+++ b/go.mod
@@ -2,10 +2,6 @@ module github.com/minamijoyo/tflock

 go 1.16

-replace google.golang.org/grpc v1.31.1 => google.golang.org/grpc v1.27.1
-
-replace k8s.io/client-go => k8s.io/client-go v0.0.0-20190620085101-78d2af792bab
-
 require (
        github.com/hashicorp/logutils v1.0.0
        github.com/hashicorp/terraform v0.15.1

❯ go mod tidy
go: finding module for package google.golang.org/grpc/naming
go: finding module for package k8s.io/client-go/kubernetes/typed/coordination/v1
go: finding module for package github.com/gregjones/httpcache
go: finding module for package github.com/gregjones/httpcache/diskcache
go: finding module for package github.com/peterbourgon/diskv
go: finding module for package k8s.io/api/admissionregistration/v1alpha1
go: found github.com/gregjones/httpcache in github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79
go: found github.com/gregjones/httpcache/diskcache in github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79
go: found github.com/peterbourgon/diskv in github.com/peterbourgon/diskv v2.0.1+incompatible
go: finding module for package google.golang.org/grpc/naming
go: finding module for package k8s.io/client-go/kubernetes/typed/coordination/v1
go: finding module for package k8s.io/api/admissionregistration/v1alpha1
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes/typed/coordination/v1: package k8s.io/client-go/kubernetes/typed/coordination/v1 provided by k8s.io/client-go at latest version v0.21.0 but not at required version v10.0.0+incompatible
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/kubernetes imports
	k8s.io/client-go/kubernetes imports
	k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1 imports
	k8s.io/api/admissionregistration/v1alpha1: module k8s.io/api@latest found (v0.21.0), but does not contain package k8s.io/api/admissionregistration/v1alpha1
github.com/minamijoyo/tflock imports
	github.com/hashicorp/terraform/backend/init imports
	github.com/hashicorp/terraform/backend/remote-state/etcdv2 imports
	github.com/coreos/etcd/client tested by
	github.com/coreos/etcd/client.test imports
	github.com/coreos/etcd/integration imports
	github.com/coreos/etcd/proxy/grpcproxy imports
	google.golang.org/grpc/naming: module google.golang.org/grpc@latest found (v1.37.0), but does not contain package google.golang.org/grpc/naming

[minamijoyo]

@jaredledvina Thank you for working on this. I tried to build this branch, but failed.

[tflock@pr-6|✔]$ go build
# github.com/minamijoyo/tflock
./main.go:37:35: too many arguments in call to clistate.NewLocker
        have (context.Context, time.Duration, cli.Ui, *colorstring.Colorize)
        want (time.Duration, views.StateLocker)

Terraform v0.15.0 changed the clistate.NewLocker function.

https://github.com/hashicorp/terraform/pull/27787/files#diff-d4648631daf54c861b5dc6c7301ca56bf7b0219cb3e5e939c983c19e6672d375L85-L90

[jaredledvina]

@minamijoyo - Ahhh thanks, I pushed a fix that should work. While I'm not entirely familiar with the Terraform code base this seems to follow similar logic they are using. I verified this builds locally for me with Go 1.16.

[minamijoyo]

I've also built it locally with Go 1.16.3, tested it with Terraform v0.15.1 + backend s3+DynamoDB and confirmed that it works fine for me 👍 Thanks!