A draft of connector to kubernetse

connector/collector/kubernetes_logs.go

@@ -0,0 +1,78 @@
+package collector
+
+import (
+	"time"
+
+	"github.com/bcicen/ctop/models"
+	"k8s.io/client-go/kubernetes"
+)
+
+type KubernetesLogs struct {
+	id     string
+	client *kubernetes.Clientset
+	done   chan bool
+}
+
+func NewKubernetesLogs(id string, client *kubernetes.Clientset) *KubernetesLogs {
+	return &KubernetesLogs{
+		id:     id,
+		client: client,
+		done:   make(chan bool),
+	}
+}
+
+func (l *KubernetesLogs) Stream() chan models.Log {
+	//r, w := io.Pipe()
+	logCh := make(chan models.Log)
+	//ctx, cancel := context.WithCancel(context.Background())
+
+	//opts := api.LogsOptions{
+	//	Context:      ctx,
+	//	Container:    l.id,
+	//	OutputStream: w,
+	//	ErrorStream:  w,
+	//	Stdout:       true,
+	//	Stderr:       true,
+	//	Tail:         "10",
+	//	Follow:       true,
+	//	Timestamps:   true,
+	//}
+
+	//// read io pipe into channel
+	//go func() {
+	//	scanner := bufio.NewScanner(r)
+	//	for scanner.Scan() {
+	//		parts := strings.Split(scanner.Text(), " ")
+	//		ts := l.parseTime(parts[0])
+	//		logCh <- models.Log{Timestamp: ts, Message: strings.Join(parts[1:], " ")}
+	//	}
+	//}()
+
+	//// connect to container log stream
+	//go func() {
+	//	err := l.client.Logs(opts)
+	//	if err != nil {
+	//		log.Errorf("error reading container logs: %s", err)
+	//	}
+	//	log.Infof("log reader stopped for container: %s", l.id)
+	//}()
+
+	//go func() {
+	//	<-l.done
+	//	cancel()
+	//}()
+
+	log.Infof("log reader started for container: %s", l.id)
+	return logCh
+}
+
+func (l *KubernetesLogs) Stop() { l.done <- true }
+
+func (l *KubernetesLogs) parseTime(s string) time.Time {
+	ts, err := time.Parse("2006-01-02T15:04:05.000000000Z", s)
+	if err != nil {
+		log.Errorf("failed to parse container log: %s", err)
+		ts = time.Now()
+	}
+	return ts
+}