Add debug entry point for delve

internal/provider/data_user_group_test.go

@@ -28,10 +28,10 @@ func TestAccDataUserGroup_multiple_providers(t *testing.T) {
 		PreCheck: func() { preCheck(t) },
 		ProviderFactories: map[string]func() (*schema.Provider, error){
 			"unifi2": func() (*schema.Provider, error) {
-				return New(), nil
+				return New("acctest")(), nil
 			},
 			"unifi3": func() (*schema.Provider, error) {
-				return New(), nil
+				return New("acctest")(), nil
 			},
 		},
 		// TODO: CheckDestroy: ,

internal/provider/provider.go

@@ -21,7 +21,8 @@ func init() {
 	}
 }
 
-func New() *schema.Provider {
+func New(version string) func() *schema.Provider {
+	return func() *schema.Provider {
 		p := &schema.Provider{
 			Schema: map[string]*schema.Schema{
 				"username": {
@@ -78,11 +79,12 @@ func New() *schema.Provider {
 				"unifi_wlan":           resourceWLAN(),
 			},
 		}
-	p.ConfigureFunc = configure(p)
+		p.ConfigureFunc = configure(version, p)
 		return p
+	}
 }
 
-func configure(p *schema.Provider) schema.ConfigureFunc {
+func configure(version string, p *schema.Provider) schema.ConfigureFunc {
 	return func(d *schema.ResourceData) (interface{}, error) {
 		user := d.Get("username").(string)
 		pass := d.Get("password").(string)

internal/provider/provider_test.go

@@ -12,7 +12,7 @@ import (
 
 var providerFactories = map[string]func() (*schema.Provider, error){
 	"unifi": func() (*schema.Provider, error) {
-		return New(), nil
+		return New("acctest")(), nil
 	},
 }
 

main.go

@@ -1,13 +1,40 @@
 package main // import "github.com/paultyng/terraform-provider-unifi"
 
 import (
+	"context"
+	"flag"
+	"log"
+
 	"github.com/hashicorp/terraform-plugin-sdk/v2/plugin"
 
 	"github.com/paultyng/terraform-provider-unifi/internal/provider"
 )
 
+var (
+	// these will be set by the goreleaser configuration
+	// to appropriate values for the compiled binary
+	version string = "dev"
+
+	// goreleaser can also pass the specific commit if you want
+	// commit  string = ""
+)
+
 func main() {
-	plugin.Serve(&plugin.ServeOpts{
-		ProviderFunc: provider.New,
-	})
+	var debugMode bool
+
+	flag.BoolVar(&debugMode, "debug", false, "set to true to run the provider with support for debuggers like delve")
+	flag.Parse()
+
+	opts := &plugin.ServeOpts{ProviderFunc: provider.New(version)}
+
+	if debugMode {
+		// TODO: update this string with the full name of your provider as used in your configs
+		err := plugin.Debug(context.Background(), "registry.terraform.io/hashicorp/scaffolding", opts)
+		if err != nil {
+			log.Fatal(err.Error())
+		}
+		return
+	}
+
+	plugin.Serve(opts)
 }