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Converted errch to a buffered channel to avoid goroutine leak

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Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
This commit is contained in:
Gaurav Singh 2020-05-18 09:29:19 -04:00
parent 0d0af48444
commit c5f73de4fd
1 changed files with 1 additions and 8 deletions
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9
staging/src/k8s.io/kube-aggregator/pkg/controllers/status/available_controller.go
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@ -287,7 +287,7 @@ func (c *AvailableConditionController) sync(key string) error {
}
discoveryURL.Path = "/apis/" + apiService.Spec.Group + "/" + apiService.Spec.Version
errCh := make(chan error)
errCh := make(chan error, 1)
go func() {
// be sure to check a URL that the aggregated API server is required to serve
newReq, err := http.NewRequest("GET", discoveryURL.String(), nil)
@ -321,13 +321,6 @@ func (c *AvailableConditionController) sync(key string) error {
// we had trouble with slow dial and DNS responses causing us to wait too long.
// we added this as insurance
case <-time.After(6 * time.Second):
// errCh needs to have a reader since the above goroutine doing the work
// needs to send to it.
go func() {
if res := <-errch; res != nil {
fmt.Errorf("timed out response from %v: %v", discoveryURL, res)
}
}()
results <- fmt.Errorf("timed out waiting for %v", discoveryURL)
return
}