dnsforward: slog logger

internal/home/home.go

@@ -6,6 +6,7 @@ import (
 	"crypto/x509"
 	"fmt"
 	"io/fs"
+	"log/slog"
 	"net/http"
 	"net/netip"
 	"net/url"
@@ -62,6 +63,9 @@ type homeContext struct {
 	// configuration files, for example /etc/hosts.
 	etcHosts *aghnet.HostsContainer
 
+	// logger is an instance of [*slog.Logger].  It is never nil.
+	logger *slog.Logger
+
 	// mux is our custom http.ServeMux.
 	mux *http.ServeMux
 
@@ -137,12 +141,13 @@ func Main(clientBuildFS fs.FS) {
 }
 
 // setupContext initializes [Context] fields.  It also reads and upgrades
-// config file if necessary.
-func setupContext(opts options) (err error) {
+// config file if necessary.  l must not be nil.
+func setupContext(opts options, l *slog.Logger) (err error) {
 	Context.firstRun = detectFirstRun()
 
 	Context.tlsRoots = aghtls.SystemRootCAs()
 	Context.mux = http.NewServeMux()
+	Context.logger = l
 
 	if Context.firstRun {
 		log.Info("This is the first time AdGuard Home is launched")
@@ -565,7 +570,7 @@ func run(opts options, clientBuildFS fs.FS, done chan struct{}) {
 		l.Info("AdGuard Home is running as a service")
 	}
 
-	err = setupContext(opts)
+	err = setupContext(opts, l)
 	fatalOnError(err)
 
 	err = configureOS(config)