Move cmd/dockerd/debug to daemon/command/debug

Signed-off-by: Derek McGowan <derek@mcg.dev>

cmd/dockerd/daemon.go

@@ -39,10 +39,10 @@ import (
 	buildkit "github.com/docker/docker/builder/builder-next"
 	"github.com/docker/docker/builder/builder-next/exporter"
 	"github.com/docker/docker/builder/dockerfile"
-	"github.com/docker/docker/cmd/dockerd/debug"
 	"github.com/docker/docker/cmd/dockerd/trap"
 	"github.com/docker/docker/daemon"
 	"github.com/docker/docker/daemon/cluster"
+	"github.com/docker/docker/daemon/command/debug"
 	"github.com/docker/docker/daemon/config"
 	"github.com/docker/docker/daemon/listeners"
 	"github.com/docker/docker/dockerversion"

cmd/dockerd/debug/debug.go

@@ -1,26 +0,0 @@
-package debug
-
-import (
-	"os"
-
-	"github.com/containerd/log"
-)
-
-// Enable sets the DEBUG env var to true
-// and makes the logger to log at debug level.
-func Enable() {
-	os.Setenv("DEBUG", "1")
-	_ = log.SetLevel("debug")
-}
-
-// Disable sets the DEBUG env var to false
-// and makes the logger to log at info level.
-func Disable() {
-	os.Setenv("DEBUG", "")
-	_ = log.SetLevel("info")
-}
-
-// IsEnabled checks whether the debug flag is set or not.
-func IsEnabled() bool {
-	return os.Getenv("DEBUG") != ""
-}

cmd/dockerd/debug/debug_test.go

@@ -1,43 +0,0 @@
-package debug
-
-import (
-	"os"
-	"testing"
-
-	"github.com/containerd/log"
-)
-
-func TestEnable(t *testing.T) {
-	t.Cleanup(func() {
-		_ = os.Setenv("DEBUG", "")
-		_ = log.SetLevel("info")
-	})
-	Enable()
-	if debug := os.Getenv("DEBUG"); debug != "1" {
-		t.Fatalf("expected DEBUG=1, got %s", debug)
-	}
-	if lvl := log.GetLevel(); lvl != log.DebugLevel {
-		t.Fatalf("expected log level %v, got %v", log.DebugLevel, lvl)
-	}
-}
-
-func TestDisable(t *testing.T) {
-	Disable()
-	if debug := os.Getenv("DEBUG"); debug != "" {
-		t.Fatalf(`expected DEBUG="", got %s`, debug)
-	}
-	if lvl := log.GetLevel(); lvl != log.InfoLevel {
-		t.Fatalf("expected log level %v, got %v", log.InfoLevel, lvl)
-	}
-}
-
-func TestEnabled(t *testing.T) {
-	Enable()
-	if !IsEnabled() {
-		t.Fatal("expected debug enabled, got false")
-	}
-	Disable()
-	if IsEnabled() {
-		t.Fatal("expected debug disabled, got true")
-	}
-}