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Merge pull request #92191 from deads2k/azure-panic-protection

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prevent panic in azure cloud provider from killing the process
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Kubernetes Prow Robot 2020-07-01 23:12:29 -07:00 committed by GitHub
commit a794874fad
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1 changed files with 6 additions and 2 deletions
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8
staging/src/k8s.io/legacy-cloud-providers/azure/azure_routes.go
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@ -29,6 +29,7 @@ import (
"github.com/Azure/go-autorest/autorest/to" "github.com/Azure/go-autorest/autorest/to"
"k8s.io/apimachinery/pkg/types" "k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
cloudprovider "k8s.io/cloud-provider" cloudprovider "k8s.io/cloud-provider"
"k8s.io/klog/v2" "k8s.io/klog/v2"
azcache "k8s.io/legacy-cloud-providers/azure/cache" azcache "k8s.io/legacy-cloud-providers/azure/cache"
@ -90,9 +91,12 @@ func newDelayedRouteUpdater(az *Cloud, interval time.Duration) *delayedRouteUpda
// run starts the updater reconciling loop. // run starts the updater reconciling loop.
func (d *delayedRouteUpdater) run() { func (d *delayedRouteUpdater) run() {
for { err := wait.PollImmediateInfinite(d.interval, func() (bool, error) {
d.updateRoutes() d.updateRoutes()
time.Sleep(d.interval) return false, nil
})
if err != nil { // this should never happen, if it does, panic
panic(err)
} }
} }