Upgrade terraform-plugin-go to 0.3.0 (dev)

Upgrade terraform-plugin-go to the unreleased 0.3.0 candidate (still
awaiting merge, so commit hashes won't actually match) and account for
the breaking changes.

Author: Paddy Carver

go.mod

@@ -27,7 +27,7 @@ require (
 	github.com/hashicorp/logutils v1.0.0
 	github.com/hashicorp/terraform-exec v0.13.0
 	github.com/hashicorp/terraform-json v0.8.0
-	github.com/hashicorp/terraform-plugin-go v0.2.1
+	github.com/hashicorp/terraform-plugin-go v0.2.2-0.20210414015844-4730a5d4579d
 	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d // indirect
 	github.com/keybase/go-crypto v0.0.0-20161004153544-93f5b35093ba
 	github.com/kylelemons/godebug v1.1.0 // indirect

go.sum

@@ -13,7 +13,7 @@ import (
 	"github.com/hashicorp/go-cty/cty/msgpack"
 
 	"github.com/hashicorp/terraform-plugin-go/tfprotov5"
-	"github.com/hashicorp/terraform-plugin-go/tfprotov5/tftypes"
+	"github.com/hashicorp/terraform-plugin-go/tftypes"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/internal/configs/configschema"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/internal/configs/hcl2shim"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/internal/plans/objchange"
@@ -1155,7 +1155,7 @@ func pathToAttributePath(path cty.Path) *tftypes.AttributePath {
 	if len(steps) < 1 {
 		return nil
 	}
-	return &tftypes.AttributePath{Steps: steps}
+	return tftypes.NewAttributePathWithSteps(steps)
 }
 
 // helper/schema throws away timeout values from the config and stores them in

helper/schema/grpc_provider.go

@@ -6,7 +6,7 @@ import (
 	"github.com/hashicorp/go-cty/cty"
 
 	"github.com/hashicorp/terraform-plugin-go/tfprotov5"
-	"github.com/hashicorp/terraform-plugin-go/tfprotov5/tftypes"
+	"github.com/hashicorp/terraform-plugin-go/tftypes"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 )
 
@@ -92,7 +92,7 @@ func AttributePathToPath(ap *tftypes.AttributePath) cty.Path {
 	if ap == nil {
 		return p
 	}
-	for _, step := range ap.Steps {
+	for _, step := range ap.Steps() {
 		switch step.(type) {
 		case tftypes.AttributeName:
 			p = p.GetAttr(string(step.(tftypes.AttributeName)))
@@ -110,20 +110,20 @@ func PathToAttributePath(p cty.Path) *tftypes.AttributePath {
 	if p == nil || len(p) < 1 {
 		return nil
 	}
-	ap := &tftypes.AttributePath{}
+	ap := tftypes.NewAttributePath()
 	for _, step := range p {
 		switch selector := step.(type) {
 		case cty.GetAttrStep:
-			ap.Steps = append(ap.Steps, tftypes.AttributeName(selector.Name))
+			ap = ap.WithAttributeName(selector.Name)
 
 		case cty.IndexStep:
 			key := selector.Key
 			switch key.Type() {
 			case cty.String:
-				ap.Steps = append(ap.Steps, tftypes.ElementKeyString(key.AsString()))
+				ap = ap.WithElementKeyString(key.AsString())
 			case cty.Number:
 				v, _ := key.AsBigFloat().Int64()
-				ap.Steps = append(ap.Steps, tftypes.ElementKeyInt(v))
+				ap = ap.WithElementKeyInt(v)
 			default:
 				// We'll bail early if we encounter anything else, and just
 				// return the valid prefix.

internal/plugin/convert/diagnostics.go

@@ -7,7 +7,7 @@ import (
 	"github.com/hashicorp/go-cty/cty"
 
 	"github.com/hashicorp/terraform-plugin-go/tfprotov5"
-	"github.com/hashicorp/terraform-plugin-go/tfprotov5/tftypes"
+	"github.com/hashicorp/terraform-plugin-go/tftypes"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 )
 
@@ -139,12 +139,9 @@ func TestDiagnostics(t *testing.T) {
 					Severity: tfprotov5.DiagnosticSeverityError,
 					Summary:  "error",
 					Detail:   "error detail",
-					Attribute: &tftypes.AttributePath{
-						Steps: []tftypes.AttributePathStep{
-
-							tftypes.AttributeName("attribute_name"),
-						},
-					},
+					Attribute: tftypes.NewAttributePathWithSteps([]tftypes.AttributePathStep{
+						tftypes.AttributeName("attribute_name"),
+					}),
 				})
 				return diags
 			},
@@ -164,46 +161,38 @@ func TestDiagnostics(t *testing.T) {
 						Severity: tfprotov5.DiagnosticSeverityError,
 						Summary:  "error 1",
 						Detail:   "error 1 detail",
-						Attribute: &tftypes.AttributePath{
-							Steps: []tftypes.AttributePathStep{
-								tftypes.AttributeName("attr"),
-							},
-						},
+						Attribute: tftypes.NewAttributePathWithSteps([]tftypes.AttributePathStep{
+							tftypes.AttributeName("attr"),
+						}),
 					},
 					&tfprotov5.Diagnostic{
 						Severity: tfprotov5.DiagnosticSeverityError,
 						Summary:  "error 2",
 						Detail:   "error 2 detail",
-						Attribute: &tftypes.AttributePath{
-							Steps: []tftypes.AttributePathStep{
-								tftypes.AttributeName("attr"),
-								tftypes.AttributeName("sub"),
-							},
-						},
+						Attribute: tftypes.NewAttributePathWithSteps([]tftypes.AttributePathStep{
+							tftypes.AttributeName("attr"),
+							tftypes.AttributeName("sub"),
+						}),
 					},
 					&tfprotov5.Diagnostic{
 						Severity: tfprotov5.DiagnosticSeverityWarning,
 						Summary:  "warning",
 						Detail:   "warning detail",
-						Attribute: &tftypes.AttributePath{
-							Steps: []tftypes.AttributePathStep{
-								tftypes.AttributeName("attr"),
-								tftypes.ElementKeyInt(1),
-								tftypes.AttributeName("sub"),
-							},
-						},
+						Attribute: tftypes.NewAttributePathWithSteps([]tftypes.AttributePathStep{
+							tftypes.AttributeName("attr"),
+							tftypes.ElementKeyInt(1),
+							tftypes.AttributeName("sub"),
+						}),
 					},
 					&tfprotov5.Diagnostic{
 						Severity: tfprotov5.DiagnosticSeverityError,
 						Summary:  "error 3",
 						Detail:   "error 3 detail",
-						Attribute: &tftypes.AttributePath{
-							Steps: []tftypes.AttributePathStep{
-								tftypes.AttributeName("attr"),
-								tftypes.ElementKeyString("idx"),
-								tftypes.AttributeName("sub"),
-							},
-						},
+						Attribute: tftypes.NewAttributePathWithSteps([]tftypes.AttributePathStep{
+							tftypes.AttributeName("attr"),
+							tftypes.ElementKeyString("idx"),
+							tftypes.AttributeName("sub"),
+						}),
 					},
 				)
 

internal/plugin/convert/diagnostics_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/hashicorp/go-cty/cty"
 	"github.com/hashicorp/terraform-plugin-go/tfprotov5"
-	"github.com/hashicorp/terraform-plugin-go/tfprotov5/tftypes"
+	"github.com/hashicorp/terraform-plugin-go/tftypes"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/internal/configs/configschema"
 )
 

internal/plugin/convert/schema.go

@@ -8,7 +8,7 @@ import (
 	"github.com/hashicorp/go-cty/cty"
 
 	"github.com/hashicorp/terraform-plugin-go/tfprotov5"
-	"github.com/hashicorp/terraform-plugin-go/tfprotov5/tftypes"
+	"github.com/hashicorp/terraform-plugin-go/tftypes"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/internal/configs/configschema"
 )