Fixes KVM template mismatch

glesys/resource_glesys_server.go

@@ -175,6 +175,15 @@ func resourceGlesysServerCreate(d *schema.ResourceData, m interface{}) error {
 	return resourceGlesysServerRead(d, m)
 }
 
+func getTemplate(original string, srv *glesys.ServerDetails) string {
+	for _, tag := range srv.InitialTemplate.CurrentTags {
+		if tag == original {
+			return original
+		}
+	}
+	return srv.Template
+}
+
 func resourceGlesysServerRead(d *schema.ResourceData, m interface{}) error {
 	client := m.(*glesys.Client)
 
@@ -202,7 +211,7 @@ func resourceGlesysServerRead(d *schema.ResourceData, m interface{}) error {
 	d.Set("memory", srv.Memory)
 	d.Set("platform", srv.Platform)
 	d.Set("storage", srv.Storage)
-	d.Set("template", srv.Template)
+	d.Set("template", getTemplate(d.Get("template").(string), srv))
 
 	d.SetConnInfo(map[string]string{
 		"type": "ssh",

glesys/resource_glesys_server_test.go

@@ -0,0 +1,42 @@
+package glesys
+
+import (
+	"testing"
+
+	"github.com/glesys/glesys-go/v2"
+)
+
+func Test_getTemplate(t *testing.T) {
+	srv := &glesys.ServerDetails{}
+	for _, tt := range []struct {
+		name         string
+		tfTemplate   string
+		readTemplate string
+		readTags     []string
+		want         string
+	}{
+		{
+			name:         "KVM_instance",
+			tfTemplate:   "ubuntu-20-04",
+			readTemplate: "Ubuntu 20.04 LTS (Focal Fossa)",
+			readTags:     []string{"ubuntu", "ubuntu-lts", "ubuntu-20-04"},
+			want:         "ubuntu-20-04",
+		},
+		{
+			name:         "VMware_instance",
+			tfTemplate:   "Ubuntu 20.04 LTS 64-bit",
+			readTemplate: "Ubuntu 20.04 LTS 64-bit",
+			readTags:     []string{},
+			want:         "Ubuntu 20.04 LTS 64-bit",
+		},
+	} {
+		t.Run(tt.name, func(t *testing.T) {
+			srv.Template = tt.readTemplate
+			srv.InitialTemplate.Name = tt.readTemplate
+			srv.InitialTemplate.CurrentTags = tt.readTags
+			if got := getTemplate(tt.tfTemplate, srv); got != tt.want {
+				t.Errorf("got: %v, want %v", got, tt.want)
+			}
+		})
+	}
+}