First commit for Kubernetes logger

debug/log/kubernetes/kubernetes.go

@@ -0,0 +1,23 @@
+// Package kubernetes is a logger implementing (github.com/micro/go-micro/debug/log).Log
+package kubernetes
+
+import (
+	"github.com/micro/go-micro/debug/log"
+)
+
+type klog struct{}
+
+func (k *klog) Read(...log.ReadOption) []log.Record { return nil }
+
+func (k *klog) Write(log.Record) {}
+
+func (k *klog) Stream(stop chan bool) <-chan log.Record {
+	c := make(chan log.Record)
+	go close(c)
+	return c
+}
+
+// New returns a configured Kubernetes logger
+func New() log.Log {
+	return &klog{}
+}

debug/log/kubernetes/kubernetes_test.go

@@ -0,0 +1,44 @@
+package kubernetes
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/micro/go-micro/debug/log"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestKubernetes(t *testing.T) {
+	k := New()
+	r, w, err := os.Pipe()
+	if err != nil {
+		t.Fatal(err)
+	}
+	s := os.Stderr
+	os.Stderr = w
+	meta := make(map[string]string)
+	meta["foo"] = "bar"
+	k.Write(log.Record{
+		Timestamp: time.Unix(0, 0),
+		Value:     "Test log entry",
+		Metadata:  meta,
+	})
+	b := &bytes.Buffer{}
+	w.Close()
+	io.Copy(b, r)
+	os.Stderr = s
+	assert.Equal(t, "Test log entry", b.String(), "Write was not equal")
+
+	assert.Nil(t, k.Read(), "Read should be unimplemented")
+
+	stream := k.Stream(make(chan bool))
+	records := []log.Record{}
+	for s := range stream {
+		records = append(records, s)
+	}
+	assert.Equal(t, 0, len(records), "Stream should be unimplemented")
+
+}