Simplified k8s API Body watcher code and test. (#923)

runtime/kubernetes/client/watch/body.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"encoding/json"
 	"net/http"
-	"time"
 )
 
 // bodyWatcher scans the body of a request for chunks
@@ -34,16 +33,6 @@ func (wr *bodyWatcher) Stop() {
 func (wr *bodyWatcher) stream() {
 	reader := bufio.NewReader(wr.res.Body)
 
-	// ignore first few messages from stream,
-	// as they are usually old.
-	ignore := true
-
-	go func() {
-		<-time.After(time.Second)
-		ignore = false
-	}()
-
-	go func() {
 	// stop the watcher
 	defer wr.Stop()
 
@@ -54,11 +43,6 @@ func (wr *bodyWatcher) stream() {
 			return
 		}
 
-			// ignore for the first second
-			if ignore {
-				continue
-			}
-
 		// send the event
 		var event Event
 		if err := json.Unmarshal(b, &event); err != nil {
@@ -66,11 +50,9 @@ func (wr *bodyWatcher) stream() {
 		}
 		wr.results <- event
 	}
-	}()
 }
 
-// NewBodyWatcher creates a k8s body watcher for
-// a given http request
+// NewBodyWatcher creates a k8s body watcher for a given http request
 func NewBodyWatcher(req *http.Request, client *http.Client) (Watch, error) {
 	stop := make(chan struct{})
 	req.Cancel = stop

runtime/kubernetes/client/watch/watch_test.go

@@ -37,17 +37,15 @@ func TestBodyWatcher(t *testing.T) {
 
 	req, err := http.NewRequest("GET", ts.URL, nil)
 	if err != nil {
-		t.Fatalf("did not expect NewRequest to return err: %v", err)
+		t.Fatalf("failed to create new request: %v", err)
 	}
 
 	// setup body watcher
 	w, err := NewBodyWatcher(req, http.DefaultClient)
 	if err != nil {
-		t.Fatalf("did not expect NewBodyWatcher to return %v", err)
+		t.Fatalf("failed to create new BodyWatcher %v", err)
 	}
 
-	<-time.After(time.Second)
-
 	// send action strings in, and expect result back
 	ch <- actions[0]
 	if r := <-w.ResultChan(); r.Type != "create" {