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Release API watch resources when done.

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This commit is contained in:
Jacob Simpson 2017-01-23 16:20:21 -08:00
parent d6f7ae2ffb
commit cf31d9413e
1 changed files with 4 additions and 6 deletions
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10
pkg/kubelet/util/csr/csr.go
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@ -64,12 +64,11 @@ func RequestNodeCertificate(client certificatesclient.CertificateSigningRequestI
})
if err != nil {
return nil, fmt.Errorf("cannot create certificate signing request: %v", err)
}
// Make a default timeout = 3600s.
var defaultTimeoutSeconds int64 = 3600
resultCh, err := client.Watch(metav1.ListOptions{
certWatch, err := client.Watch(metav1.ListOptions{
Watch: true,
TimeoutSeconds: &defaultTimeoutSeconds,
FieldSelector: fields.OneTermEqualSelector("metadata.name", req.Name).String(),
@ -77,9 +76,8 @@ func RequestNodeCertificate(client certificatesclient.CertificateSigningRequestI
if err != nil {
return nil, fmt.Errorf("cannot watch on the certificate signing request: %v", err)
}
var status certificates.CertificateSigningRequestStatus
ch := resultCh.ResultChan()
defer certWatch.Stop()
ch := certWatch.ResultChan()
for {
event, ok := <-ch
@ -91,7 +89,7 @@ func RequestNodeCertificate(client certificatesclient.CertificateSigningRequestI
if event.Object.(*certificates.CertificateSigningRequest).UID != req.UID {
continue
}
status = event.Object.(*certificates.CertificateSigningRequest).Status
status := event.Object.(*certificates.CertificateSigningRequest).Status
for _, c := range status.Conditions {
if c.Type == certificates.CertificateDenied {
return nil, fmt.Errorf("certificate signing request is not approved, reason: %v, message: %v", c.Reason, c.Message)