all: sync with master; upd chlog

internal/confmigrate/v8.go

@@ -0,0 +1,36 @@
+package confmigrate
+
+// migrateTo8 performs the following changes:
+//
+//	# BEFORE:
+//	'schema_version': 7
+//	'dns':
+//	  'bind_host': '127.0.0.1'
+//	  # …
+//	# …
+//
+//	# AFTER:
+//	'schema_version': 8
+//	'dns':
+//	  'bind_hosts':
+//	  - '127.0.0.1'
+//	  # …
+//	# …
+func migrateTo8(diskConf yobj) (err error) {
+	diskConf["schema_version"] = 8
+
+	dns, ok, err := fieldVal[yobj](diskConf, "dns")
+	if !ok {
+		return err
+	}
+
+	bindHost, ok, err := fieldVal[string](dns, "bind_host")
+	if !ok {
+		return err
+	}
+
+	delete(dns, "bind_host")
+	dns["bind_hosts"] = yarr{bindHost}
+
+	return nil
+}