package configmigrate
// migrateTo3 performs the following changes:
//
// # BEFORE:
// 'schema_version': 2
// 'dns':
// 'bootstrap_dns': '1.1.1.1'
// # …
// # AFTER:
// 'schema_version': 3
// 'bootstrap_dns':
// - '1.1.1.1'
func migrateTo3(diskConf yobj) (err error) {
diskConf["schema_version"] = 3
dnsConfig, ok, err := fieldVal[yobj](diskConf, "dns")
if !ok {
return err
}
bootstrapDNS, ok, err := fieldVal[any](dnsConfig, "bootstrap_dns")
if ok {
dnsConfig["bootstrap_dns"] = yarr{bootstrapDNS}