all: sync with master

internal/configmigrate/v28.go

@@ -0,0 +1,47 @@
+package configmigrate
+
+import (
+	"github.com/AdguardTeam/AdGuardHome/internal/dnsforward"
+)
+
+// migrateTo28 performs the following changes:
+//
+//	# BEFORE:
+//	'dns':
+//	  'all_servers': true
+//	  'fastest_addr': true
+//	  # …
+//	# …
+//
+//	# AFTER:
+//	'dns':
+//	  'upstream_mode': 'parallel'
+//	  # …
+//	# …
+func migrateTo28(diskConf yobj) (err error) {
+	diskConf["schema_version"] = 28
+
+	dns, ok, err := fieldVal[yobj](diskConf, "dns")
+	if !ok {
+		return err
+	}
+
+	allServers, _, _ := fieldVal[bool](dns, "all_servers")
+	fastestAddr, _, _ := fieldVal[bool](dns, "fastest_addr")
+
+	var upstreamModeType dnsforward.UpstreamMode
+	if allServers {
+		upstreamModeType = dnsforward.UpstreamModeParallel
+	} else if fastestAddr {
+		upstreamModeType = dnsforward.UpstreamModeFastestAddr
+	} else {
+		upstreamModeType = dnsforward.UpstreamModeLoadBalance
+	}
+
+	dns["upstream_mode"] = upstreamModeType
+
+	delete(dns, "all_servers")
+	delete(dns, "fastest_addr")
+
+	return nil
+}