fix metadata map reading

Author: Vadim Chinyaev

gcore/resource_gcore_floatingip.go

@@ -248,7 +248,9 @@ func resourceFloatingIPRead(ctx context.Context, d *schema.ResourceData, m inter
 
 	if len(floatingIP.Metadata) > 0 {
 		for _, metadataItem := range floatingIP.Metadata {
-			metadataMap[metadataItem.Key] = metadataItem.Value
+			if !metadataItem.ReadOnly {
+				metadataMap[metadataItem.Key] = metadataItem.Value
+			}
 			metadataReadOnly = append(metadataReadOnly, map[string]interface{}{
 				"key":       metadataItem.Key,
 				"value":     metadataItem.Value,

gcore/resource_gcore_network.go

@@ -221,7 +221,9 @@ func resourceNetworkRead(ctx context.Context, d *schema.ResourceData, m interfac
 
 	if len(network.Metadata) > 0 {
 		for _, metadataItem := range network.Metadata {
-			metadataMap[metadataItem.Key] = metadataItem.Value
+			if !metadataItem.ReadOnly {
+				metadataMap[metadataItem.Key] = metadataItem.Value
+			}
 			metadataReadOnly = append(metadataReadOnly, map[string]interface{}{
 				"key":       metadataItem.Key,
 				"value":     metadataItem.Value,

gcore/resource_gcore_securitygroup.go

@@ -305,7 +305,9 @@ func resourceSecurityGroupRead(ctx context.Context, d *schema.ResourceData, m in
 
 	if len(sg.Metadata) > 0 {
 		for _, metadataItem := range sg.Metadata {
-			metadataMap[metadataItem.Key] = metadataItem.Value
+			if !metadataItem.ReadOnly {
+				metadataMap[metadataItem.Key] = metadataItem.Value
+			}
 			metadataReadOnly = append(metadataReadOnly, map[string]interface{}{
 				"key":       metadataItem.Key,
 				"value":     metadataItem.Value,

gcore/resource_gcore_subnet.go

@@ -325,7 +325,9 @@ func resourceSubnetRead(ctx context.Context, d *schema.ResourceData, m interface
 	metadataReadOnly := make([]map[string]interface{}, 0, len(subnet.Metadata))
 	if len(subnet.Metadata) > 0 {
 		for _, metadataItem := range subnet.Metadata {
-			metadataMap[metadataItem.Key] = metadataItem.Value
+			if !metadataItem.ReadOnly {
+				metadataMap[metadataItem.Key] = metadataItem.Value
+			}
 			metadataReadOnly = append(metadataReadOnly, map[string]interface{}{
 				"key":       metadataItem.Key,
 				"value":     metadataItem.Value,