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proceed only when masters are all ready 

fix https://github.com/seaweedfs/seaweedfs-operator/issues/21
This commit is contained in:
Chris Lu 2020-11-08 17:41:12 -08:00
parent 8585daff05
commit 8342be9b1c
1 changed files with 41 additions and 1 deletions
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42
controllers/controller_master.go
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@ -2,14 +2,17 @@ package controllers
import ( import (
"context" "context"
"time"
appsv1 "k8s.io/api/apps/v1" appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime" "k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime" ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil" "sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1" seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
label "github.com/seaweedfs/seaweedfs-operator/controllers/label" "github.com/seaweedfs/seaweedfs-operator/controllers/label"
) )
func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done bool, result ctrl.Result, err error) { func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done bool, result ctrl.Result, err error) {
@ -32,7 +35,44 @@ func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done boo
return return
} }
if done, result, err = r.waitForMasterStatefulSet(seaweedCR); done {
return return
}
return
}
func (r *SeaweedReconciler) waitForMasterStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
log := r.Log.WithValues("sw-master-statefulset", seaweedCR.Name)
podList := &corev1.PodList{}
listOpts := []client.ListOption{
client.InNamespace(seaweedCR.Namespace),
client.MatchingLabels(labelsForMaster(seaweedCR.Name)),
}
if err := r.List(context.Background(), podList, listOpts...); err != nil {
log.Error(err, "Failed to list master pods", "namespace", seaweedCR.Namespace, "name", seaweedCR.Name)
return true, ctrl.Result{RequeueAfter: 3 * time.Second}, nil
}
log.Info("pods", "count", len(podList.Items))
runningCounter := 0
for _, pod := range podList.Items {
if pod.Status.Phase == corev1.PodRunning {
runningCounter++
} else {
log.Info("pod", "name", pod.Name, "status", pod.Status)
}
}
if runningCounter < len(podList.Items) {
log.Info("some masters are not ready", "missing", len(podList.Items)-runningCounter)
return true, ctrl.Result{RequeueAfter: 3 * time.Second}, nil
}
log.Info("masters are ready")
return ReconcileResult(nil)
} }
func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) { func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {