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daemonset.go
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daemonset.go
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package resource
import (
"context"
"time"
"github.com/aws/aws-k8s-tester/e2e/framework/utils"
log "github.com/cihub/seelog"
appsv1 "k8s.io/api/apps/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
)
type DaemonSetManager struct {
cs kubernetes.Interface
}
func NewDaemonSetManager(cs kubernetes.Interface) *DaemonSetManager {
return &DaemonSetManager{
cs: cs,
}
}
func (m *DaemonSetManager) WaitDaemonSetReady(ctx context.Context, ds *appsv1.DaemonSet) (*appsv1.DaemonSet, error) {
var (
observedDS *appsv1.DaemonSet
err error
)
start := time.Now()
return observedDS, wait.PollImmediateUntil(utils.PollIntervalMedium, func() (bool, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
observedDS, err = m.cs.AppsV1().DaemonSets(ds.Namespace).Get(ctx, ds.Name, metav1.GetOptions{})
cancel()
if err != nil {
return false, err
}
log.Debugf("%d / %d pods are up to date in namespace '%s' in daemonset '%s' (%d seconds elapsed)",
observedDS.Status.UpdatedNumberScheduled, observedDS.Status.DesiredNumberScheduled, ds.Namespace,
observedDS.ObjectMeta.Name, int(time.Since(start).Seconds()))
if observedDS.Status.DesiredNumberScheduled == observedDS.Status.NumberReady &&
observedDS.Status.DesiredNumberScheduled == observedDS.Status.NumberAvailable &&
observedDS.Status.DesiredNumberScheduled == observedDS.Status.UpdatedNumberScheduled &&
observedDS.Status.DesiredNumberScheduled == observedDS.Status.CurrentNumberScheduled &&
observedDS.Status.ObservedGeneration >= ds.Generation {
return true, nil
}
return false, nil
}, ctx.Done())
}