seaweedfs-operator/controllers/controller_master.go

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package controllers
import (
"context"
appsv1 "k8s.io/api/apps/v1"
"k8s.io/apimachinery/pkg/runtime"
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ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
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seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
label "github.com/seaweedfs/seaweedfs-operator/controllers/label"
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)
func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done bool, result ctrl.Result, err error) {
_ = context.Background()
_ = r.Log.WithValues("seaweed", seaweedCR.Name)
if done, result, err = r.ensureMasterPeerService(seaweedCR); done {
return
}
if done, result, err = r.ensureMasterService(seaweedCR); done {
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return
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}
if done, result, err = r.ensureMasterConfigMap(seaweedCR); done {
return
}
if done, result, err = r.ensureMasterStatefulSet(seaweedCR); done {
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return
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}
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return
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}
func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
log := r.Log.WithValues("sw-master-statefulset", seaweedCR.Name)
masterStatefulSet := r.createMasterStatefulSet(seaweedCR)
if err := controllerutil.SetControllerReference(seaweedCR, masterStatefulSet, r.Scheme); err != nil {
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return ReconcileResult(err)
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}
_, err := r.CreateOrUpdate(masterStatefulSet, func(existing, desired runtime.Object) error {
existingStatefulSet := existing.(*appsv1.StatefulSet)
desiredStatefulSet := desired.(*appsv1.StatefulSet)
existingStatefulSet.Spec.Template.Spec = desiredStatefulSet.Spec.Template.Spec
return nil
})
log.Info("ensure master stateful set " + masterStatefulSet.Name)
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return ReconcileResult(err)
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}
func (r *SeaweedReconciler) ensureMasterConfigMap(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
log := r.Log.WithValues("sw-master-configmap", seaweedCR.Name)
masterConfigMap := r.createMasterConfigMap(seaweedCR)
if err := controllerutil.SetControllerReference(seaweedCR, masterConfigMap, r.Scheme); err != nil {
return ReconcileResult(err)
}
_, err := r.CreateOrUpdateConfigMap(masterConfigMap)
log.Info("Get master ConfigMap " + masterConfigMap.Name)
return ReconcileResult(err)
}
func (r *SeaweedReconciler) ensureMasterService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
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log := r.Log.WithValues("sw-master-service", seaweedCR.Name)
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masterService := r.createMasterService(seaweedCR)
if err := controllerutil.SetControllerReference(seaweedCR, masterService, r.Scheme); err != nil {
return ReconcileResult(err)
}
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_, err := r.CreateOrUpdateService(masterService)
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log.Info("Get master service " + masterService.Name)
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return ReconcileResult(err)
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}
func (r *SeaweedReconciler) ensureMasterPeerService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
log := r.Log.WithValues("sw-master-peer-service", seaweedCR.Name)
masterPeerService := r.createMasterPeerService(seaweedCR)
if err := controllerutil.SetControllerReference(seaweedCR, masterPeerService, r.Scheme); err != nil {
return ReconcileResult(err)
}
_, err := r.CreateOrUpdateService(masterPeerService)
log.Info("Get master peer service " + masterPeerService.Name)
return ReconcileResult(err)
}
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func labelsForMaster(name string) map[string]string {
return map[string]string{
label.ManagedByLabelKey: "seaweedfs-operator",
label.NameLabelKey: "seaweedfs",
label.ComponentLabelKey: "master",
label.InstanceLabelKey: name,
}
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}