dendrite/common: Move logrus configuration to common

src/github.com/matrix-org/dendrite/common/log.go

@@ -0,0 +1,25 @@
+package common
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/matrix-org/dugong"
+)
+
+// SetupLogging configures the logging format and destination(s).
+func SetupLogging(logDir string) {
+	_ = os.Mkdir(logDir, os.ModePerm)
+	logrus.AddHook(dugong.NewFSHook(
+		filepath.Join(logDir, "info.log"),
+		filepath.Join(logDir, "warn.log"),
+		filepath.Join(logDir, "error.log"),
+		&logrus.TextFormatter{
+			TimestampFormat:  "2006-01-02 15:04:05.000000",
+			DisableColors:    true,
+			DisableTimestamp: false,
+			DisableSorting:   false,
+		}, &dugong.DailyRotationSchedule{GZip: true},
+	))
+}