Upgrading dependencies to include logrus.

vendor/github.com/sirupsen/logrus/example_hook_test.go

@@ -0,0 +1,43 @@
+// +build !windows
+
+package logrus_test
+
+import (
+	"log/syslog"
+	"os"
+
+	"github.com/sirupsen/logrus"
+	slhooks "github.com/sirupsen/logrus/hooks/syslog"
+)
+
+// An example on how to use a hook
+func Example_hook() {
+	var log = logrus.New()
+	log.Formatter = new(logrus.TextFormatter)                     // default
+	log.Formatter.(*logrus.TextFormatter).DisableColors = true    // remove colors
+	log.Formatter.(*logrus.TextFormatter).DisableTimestamp = true // remove timestamp from test output
+	if sl, err := slhooks.NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, ""); err != nil {
+		log.Hooks.Add(sl)
+	}
+	log.Out = os.Stdout
+
+	log.WithFields(logrus.Fields{
+		"animal": "walrus",
+		"size":   10,
+	}).Info("A group of walrus emerges from the ocean")
+
+	log.WithFields(logrus.Fields{
+		"omg":    true,
+		"number": 122,
+	}).Warn("The group's number increased tremendously!")
+
+	log.WithFields(logrus.Fields{
+		"omg":    true,
+		"number": 100,
+	}).Error("The ice breaks!")
+
+	// Output:
+	// level=info msg="A group of walrus emerges from the ocean" animal=walrus size=10
+	// level=warning msg="The group's number increased tremendously!" number=122 omg=true
+	// level=error msg="The ice breaks!" number=100 omg=true
+}