Migrating provider to terraform plugin SDK.

This migrates the provider to the terraform plugin SDK using the
automated tool.

Tests pass and provider builds. There were no issues with the automated
tool.

go.mod

@@ -3,9 +3,7 @@ module github.com/terraform-providers/terraform-provider-powerdns
 go 1.12
 
 require (
-	github.com/hashicorp/go-cleanhttp v0.5.0
-	github.com/hashicorp/terraform v0.12.3
-	github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.1
+	github.com/hashicorp/terraform-plugin-sdk v1.1.0
 	github.com/stretchr/testify v1.3.0
-	golang.org/x/arch v0.0.0-20190312162104-788fe5ffcd8c // indirect
 )

main.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"github.com/hashicorp/terraform/plugin"
+	"github.com/hashicorp/terraform-plugin-sdk/plugin"
 	"github.com/terraform-providers/terraform-provider-powerdns/powerdns"
 )
 

powerdns/config.go

@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/hashicorp/terraform/helper/pathorcontents"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/pathorcontents"
 )
 
 // Config describes de configuration interface of this provider

powerdns/provider.go

@@ -1,8 +1,8 @@
 package powerdns
 
 import (
-	"github.com/hashicorp/terraform/helper/schema"
-	"github.com/hashicorp/terraform/terraform"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/terraform"
 )
 
 // Provider returns a schema.Provider for PowerDNS.

powerdns/provider_test.go

@@ -4,8 +4,8 @@ import (
 	"os"
 	"testing"
 
-	"github.com/hashicorp/terraform/helper/schema"
-	"github.com/hashicorp/terraform/terraform"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/terraform"
 )
 
 var testAccProviders map[string]terraform.ResourceProvider

powerdns/resource_powerdns_record.go

@@ -6,7 +6,7 @@ import (
 	"log"
 	"strings"
 
-	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
 )
 
 func resourcePDNSRecord() *schema.Resource {

powerdns/resource_powerdns_record_test.go

@@ -5,8 +5,8 @@ import (
 	"regexp"
 	"testing"
 
-	"github.com/hashicorp/terraform/helper/resource"
-	"github.com/hashicorp/terraform/terraform"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/terraform"
 )
 
 func TestAccPDNSRecord_Empty(t *testing.T) {

powerdns/resource_powerdns_zone.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
 )
 
 func resourcePDNSZone() *schema.Resource {

powerdns/resource_powerdns_zone_test.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/hashicorp/terraform/helper/resource"
-	"github.com/hashicorp/terraform/terraform"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/terraform"
 )
 
 func TestAccPDNSZoneNative(t *testing.T) {