initial import

core/sysx/automaxprocs.go

@@ -0,0 +1,8 @@
+package sysx
+
+import "go.uber.org/automaxprocs/maxprocs"
+
+// Automatically set GOMAXPROCS to match Linux container CPU quota.
+func init() {
+	maxprocs.Set(maxprocs.Logger(nil))
+}

core/sysx/host.go

@@ -0,0 +1,19 @@
+package sysx
+
+import (
+	"os"
+
+	"zero/core/lang"
+)
+
+var hostname string
+
+func init() {
+	var err error
+	hostname, err = os.Hostname()
+	lang.Must(err)
+}
+
+func Hostname() string {
+	return hostname
+}

core/sysx/host_test.go

@@ -0,0 +1,11 @@
+package sysx
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHostname(t *testing.T) {
+	assert.True(t, len(Hostname()) > 0)
+}