add vendoring with go dep

vendor/github.com/influxdata/influxdb/monitor/system.go

@@ -0,0 +1,28 @@
+package monitor
+
+import (
+	"os"
+	"time"
+
+	"github.com/influxdata/influxdb/monitor/diagnostics"
+)
+
+var startTime time.Time
+
+func init() {
+	startTime = time.Now().UTC()
+}
+
+// system captures system-level diagnostics.
+type system struct{}
+
+func (s *system) Diagnostics() (*diagnostics.Diagnostics, error) {
+	d := map[string]interface{}{
+		"PID":         os.Getpid(),
+		"currentTime": time.Now().UTC(),
+		"started":     startTime,
+		"uptime":      time.Since(startTime).String(),
+	}
+
+	return diagnostics.RowFromMap(d), nil
+}