Add `go mod` support (#2503)

* Remove vendor and go-dep

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Add go.mod

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Update Makefile and .travis.yml

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

1 files changed, 0 insertions, 78 deletions

diff --git a/vendor/github.com/rcrowley/go-metrics/syslog.go b/vendor/github.com/rcrowley/go-metrics/syslog.go
deleted file mode 100644
index 693f19085..000000000
--- a/vendor/github.com/rcrowley/go-metrics/syslog.go
+++ /dev/null
@@ -1,78 +0,0 @@
-// +build !windows
-
-package metrics
-
-import (
-	"fmt"
-	"log/syslog"
-	"time"
-)
-
-// Output each metric in the given registry to syslog periodically using
-// the given syslogger.
-func Syslog(r Registry, d time.Duration, w *syslog.Writer) {
-	for _ = range time.Tick(d) {
-		r.Each(func(name string, i interface{}) {
-			switch metric := i.(type) {
-			case Counter:
-				w.Info(fmt.Sprintf("counter %s: count: %d", name, metric.Count()))
-			case Gauge:
-				w.Info(fmt.Sprintf("gauge %s: value: %d", name, metric.Value()))
-			case GaugeFloat64:
-				w.Info(fmt.Sprintf("gauge %s: value: %f", name, metric.Value()))
-			case Healthcheck:
-				metric.Check()
-				w.Info(fmt.Sprintf("healthcheck %s: error: %v", name, metric.Error()))
-			case Histogram:
-				h := metric.Snapshot()
-				ps := h.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
-				w.Info(fmt.Sprintf(
-					"histogram %s: count: %d min: %d max: %d mean: %.2f stddev: %.2f median: %.2f 75%%: %.2f 95%%: %.2f 99%%: %.2f 99.9%%: %.2f",
-					name,
-					h.Count(),
-					h.Min(),
-					h.Max(),
-					h.Mean(),
-					h.StdDev(),
-					ps[0],
-					ps[1],
-					ps[2],
-					ps[3],
-					ps[4],
-				))
-			case Meter:
-				m := metric.Snapshot()
-				w.Info(fmt.Sprintf(
-					"meter %s: count: %d 1-min: %.2f 5-min: %.2f 15-min: %.2f mean: %.2f",
-					name,
-					m.Count(),
-					m.Rate1(),
-					m.Rate5(),
-					m.Rate15(),
-					m.RateMean(),
-				))
-			case Timer:
-				t := metric.Snapshot()
-				ps := t.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
-				w.Info(fmt.Sprintf(
-					"timer %s: count: %d min: %d max: %d mean: %.2f stddev: %.2f median: %.2f 75%%: %.2f 95%%: %.2f 99%%: %.2f 99.9%%: %.2f 1-min: %.2f 5-min: %.2f 15-min: %.2f mean-rate: %.2f",
-					name,
-					t.Count(),
-					t.Min(),
-					t.Max(),
-					t.Mean(),
-					t.StdDev(),
-					ps[0],
-					ps[1],
-					ps[2],
-					ps[3],
-					ps[4],
-					t.Rate1(),
-					t.Rate5(),
-					t.Rate15(),
-					t.RateMean(),
-				))
-			}
-		})
-	}
-}