add iamcredentialsbasepath support for plugin framework (GoogleCloudP…

…latform#11947)

mmv1/third_party/terraform/fwtransport/framework_config.go.tmpl

@@ -57,6 +57,7 @@ type FrameworkProviderConfig struct {
 	DefaultLabels              types.Map
 
 	// paths for client setup
+	IAMCredentialsBasePath           string // TODO: This will be removed once we resove the muxing issues
 	{{- range $product := $.Products }}
 	{{ $product.Name }}BasePath string
 	{{- end }}
@@ -99,6 +100,7 @@ func (p *FrameworkProviderConfig) LoadAndValidateFramework(ctx context.Context,
 
 	// Setup Base Paths for clients
 	// Generated products
+	p.IAMCredentialsBasePath = data.IamCredentialsCustomEndpoint.ValueString() // TODO: This will be removed once we resove the muxing issues
 	{{- range $product := $.Products }}
 	p.{{ $product.Name }}BasePath = data.{{ $product.Name }}CustomEndpoint.ValueString()
 	{{- end }}

mmv1/third_party/terraform/fwtransport/framework_provider_clients.go.tmpl

@@ -2,13 +2,15 @@ package fwtransport
 
 import (
 	"fmt"
+	"log"
 	"strings"
 
 	"google.golang.org/api/dns/v1"
 {{- if ne $.TargetVersionName "ga" }}
 	firebase "google.golang.org/api/firebase/v1beta1"
 {{- end }}
 	"google.golang.org/api/option"
+	iamcredentials "google.golang.org/api/iamcredentials/v1"
 
 	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
@@ -37,6 +39,20 @@ func (p *FrameworkProviderConfig) NewDnsClient(userAgent string, diags *diag.Dia
 	return clientDns
 }
 
+func (p *FrameworkProviderConfig) NewIamCredentialsClient(userAgent string) *iamcredentials.Service {
+	iamCredentialsClientBasePath := transport_tpg.RemoveBasePathVersion(p.IAMCredentialsBasePath)
+	log.Printf("[INFO] Instantiating Google Cloud IAMCredentials client for path %s", iamCredentialsClientBasePath)
+	clientIamCredentials, err := iamcredentials.NewService(p.Context, option.WithHTTPClient(p.Client))
+	if err != nil {
+		log.Printf("[WARN] Error creating client iam credentials: %s", err)
+		return nil
+	}
+	clientIamCredentials.UserAgent = userAgent
+	clientIamCredentials.BasePath = iamCredentialsClientBasePath
+
+	return clientIamCredentials
+}
+
 {{ if ne $.TargetVersionName `ga` -}}
 func (p *FrameworkProviderConfig) NewFirebaseClient(userAgent string, diags *diag.Diagnostics) *firebase.Service {
 	firebaseClientBasePath := transport_tpg.RemoveBasePathVersion(p.FirebaseBasePath)