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retry oauth token fetch in gce cloudprovider

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The ouath client fetches a token on it's first request. Let's warm
the cache to avoid pesky flakes.
This commit is contained in:
Mike Danese 2016-09-02 18:15:41 -07:00
parent 83035a52ce
commit 1a3ff0788b
1 changed files with 11 additions and 2 deletions
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13
pkg/cloudprovider/providers/gce/gce.go
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@ -28,8 +28,6 @@ import (
"strings"
"time"
"gopkg.in/gcfg.v1"
"k8s.io/kubernetes/pkg/api"
apiservice "k8s.io/kubernetes/pkg/api/service"
"k8s.io/kubernetes/pkg/api/unversioned"
@ -48,6 +46,7 @@ import (
container "google.golang.org/api/container/v1"
"google.golang.org/api/googleapi"
"google.golang.org/cloud/compute/metadata"
"gopkg.in/gcfg.v1"
)
const (
@ -326,6 +325,16 @@ func CreateGCECloud(projectID, region, zone string, managedZones []string, netwo
glog.Infof("Using existing Token Source %#v", tokenSource)
}
if err := wait.PollImmediate(5*time.Second, 30*time.Second, func() (bool, error) {
if _, err := tokenSource.Token(); err != nil {
glog.Errorf("error fetching initial token: %v", err)
return false, nil
}
return true, nil
}); err != nil {
return nil, err
}
client := oauth2.NewClient(oauth2.NoContext, tokenSource)
svc, err := compute.New(client)
if err != nil {