91 lines
3.1 KiB
Go
91 lines
3.1 KiB
Go
package controllers
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import (
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"context"
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"time"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/types"
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ctrl "sigs.k8s.io/controller-runtime"
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seaweedv1 "github.com/seaweedfs/seaweedfs-operator/api/v1"
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)
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const (
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MasterClusterSize = 3
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)
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func (r *SeaweedReconciler) ensureMaster(seaweedCR *seaweedv1.Seaweed) (done bool, result ctrl.Result, err error) {
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_ = context.Background()
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_ = r.Log.WithValues("seaweed", seaweedCR.Name)
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if done, result, err = r.ensureMasterService(seaweedCR); done {
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return done, result, err
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}
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if done, result, err = r.ensureMasterStatefulSet(seaweedCR); done {
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return done, result, err
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}
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return false, ctrl.Result{}, nil
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}
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func (r *SeaweedReconciler) ensureMasterStatefulSet(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
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ctx := context.Background()
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log := r.Log.WithValues("sw-master-statefulset", seaweedCR.Name)
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masterStatefulSet := &appsv1.StatefulSet{}
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err := r.Get(ctx, types.NamespacedName{Name: seaweedCR.Name + "-master", Namespace: seaweedCR.Namespace}, masterStatefulSet)
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if err != nil && errors.IsNotFound(err) {
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// Define a new deployment
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dep := r.createMasterStatefulSet(seaweedCR)
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log.Info("Creating a new master statefulset", "Namespace", dep.Namespace, "Name", dep.Name)
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err = r.Create(ctx, dep)
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if err != nil {
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log.Error(err, "Failed to create new statefulset", "Namespace", dep.Namespace, "Name", dep.Name)
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return true, ctrl.Result{}, err
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}
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// sleep 60 seconds for DNS to have pod IP addresses ready
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time.Sleep(time.Minute)
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// Deployment created successfully - return and requeue
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return false, ctrl.Result{}, nil
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} else if err != nil {
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log.Error(err, "Failed to get Deployment")
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return true, ctrl.Result{}, err
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}
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log.Info("Get master stateful set " + masterStatefulSet.Name)
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return false, ctrl.Result{}, nil
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}
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func (r *SeaweedReconciler) ensureMasterService(seaweedCR *seaweedv1.Seaweed) (bool, ctrl.Result, error) {
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ctx := context.Background()
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log := r.Log.WithValues("sw-master-service", seaweedCR.Name)
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masterService := &corev1.Service{}
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err := r.Get(ctx, types.NamespacedName{Name: seaweedCR.Name + "-master", Namespace: seaweedCR.Namespace}, masterService)
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if err != nil && errors.IsNotFound(err) {
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// Define a new deployment
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dep := r.createMasterService(seaweedCR)
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log.Info("Creating a new master service", "Namespace", dep.Namespace, "Name", dep.Name)
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err = r.Create(ctx, dep)
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if err != nil {
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log.Error(err, "Failed to create master service", "Namespace", dep.Namespace, "Name", dep.Name)
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return true, ctrl.Result{}, err
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}
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// Deployment created successfully - return and requeue
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return false, ctrl.Result{}, nil
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} else if err != nil {
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log.Error(err, "Failed to get master service", "Namespace", seaweedCR.Namespace, "Name", seaweedCR.Name+"-master")
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return true, ctrl.Result{}, err
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}
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log.Info("Get master service " + masterService.Name)
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return false, ctrl.Result{}, nil
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}
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func labelsForMaster(name string) map[string]string {
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return map[string]string{"app": "seaweedfs", "role": "master", "name": name}
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}
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