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| 1 | +/* |
| 2 | + Copyright 2023 Juicedata Inc |
| 3 | +
|
| 4 | + Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + you may not use this file except in compliance with the License. |
| 6 | + You may obtain a copy of the License at |
| 7 | +
|
| 8 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | +
|
| 10 | + Unless required by applicable law or agreed to in writing, software |
| 11 | + distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + See the License for the specific language governing permissions and |
| 14 | + limitations under the License. |
| 15 | +*/ |
| 16 | + |
| 17 | +package controller |
| 18 | + |
| 19 | +import ( |
| 20 | + "context" |
| 21 | + "os" |
| 22 | + "path/filepath" |
| 23 | + |
| 24 | + corev1 "k8s.io/api/core/v1" |
| 25 | + k8serrors "k8s.io/apimachinery/pkg/api/errors" |
| 26 | + "k8s.io/klog" |
| 27 | + ctrl "sigs.k8s.io/controller-runtime" |
| 28 | + "sigs.k8s.io/controller-runtime/pkg/controller" |
| 29 | + "sigs.k8s.io/controller-runtime/pkg/event" |
| 30 | + "sigs.k8s.io/controller-runtime/pkg/handler" |
| 31 | + "sigs.k8s.io/controller-runtime/pkg/predicate" |
| 32 | + "sigs.k8s.io/controller-runtime/pkg/reconcile" |
| 33 | + "sigs.k8s.io/controller-runtime/pkg/source" |
| 34 | + |
| 35 | + "github.com/juicedata/juicefs-csi-driver/pkg/config" |
| 36 | + "github.com/juicedata/juicefs-csi-driver/pkg/juicefs" |
| 37 | + "github.com/juicedata/juicefs-csi-driver/pkg/k8sclient" |
| 38 | +) |
| 39 | + |
| 40 | +type SecretController struct { |
| 41 | + *k8sclient.K8sClient |
| 42 | +} |
| 43 | + |
| 44 | +func NewSecretController(client *k8sclient.K8sClient) *SecretController { |
| 45 | + return &SecretController{client} |
| 46 | +} |
| 47 | + |
| 48 | +func (m *SecretController) Reconcile(ctx context.Context, request reconcile.Request) (reconcile.Result, error) { |
| 49 | + klog.V(6).Infof("Receive secret %s %s", request.Name, request.Namespace) |
| 50 | + secrets, err := m.GetSecret(ctx, request.Name, request.Namespace) |
| 51 | + if err != nil && !k8serrors.IsNotFound(err) { |
| 52 | + klog.Errorf("get secret %s error: %v", request.Name, err) |
| 53 | + return reconcile.Result{}, err |
| 54 | + } |
| 55 | + if secrets == nil { |
| 56 | + klog.V(6).Infof("secret %s has been deleted.", request.Name) |
| 57 | + return reconcile.Result{}, nil |
| 58 | + } |
| 59 | + if _, found := secrets.Data["token"]; !found { |
| 60 | + klog.V(6).Infof("token not found in secret %s", request.Name) |
| 61 | + return reconcile.Result{}, nil |
| 62 | + } |
| 63 | + if _, found := secrets.Data["name"]; !found { |
| 64 | + klog.V(6).Infof("name not found in secret %s", request.Name) |
| 65 | + return reconcile.Result{}, nil |
| 66 | + } |
| 67 | + jfs := juicefs.NewJfsProvider(nil, nil) |
| 68 | + secretsMap := make(map[string]string) |
| 69 | + for k, v := range secrets.Data { |
| 70 | + secretsMap[k] = string(v[:]) |
| 71 | + } |
| 72 | + jfsSetting, err := jfs.Settings(ctx, "", secretsMap, nil, nil) |
| 73 | + if err != nil { |
| 74 | + return reconcile.Result{}, err |
| 75 | + } |
| 76 | + output, err := jfs.AuthFs(ctx, secretsMap, jfsSetting, true) |
| 77 | + klog.V(6).Infof("auth output: %s.", output) |
| 78 | + if err != nil { |
| 79 | + return reconcile.Result{}, err |
| 80 | + } |
| 81 | + conf := jfsSetting.Name + ".conf" |
| 82 | + confPath := filepath.Join(config.ClientConfPath, conf) |
| 83 | + b, err := os.ReadFile(confPath) |
| 84 | + if err != nil { |
| 85 | + return reconcile.Result{}, err |
| 86 | + } |
| 87 | + confs := string(b) |
| 88 | + secretsMap["initConfig"] = confs |
| 89 | + secrets.StringData = secretsMap |
| 90 | + err = m.UpdateSecret(ctx, secrets) |
| 91 | + if err != nil { |
| 92 | + return reconcile.Result{}, err |
| 93 | + } |
| 94 | + return reconcile.Result{}, nil |
| 95 | +} |
| 96 | + |
| 97 | +func (m *SecretController) SetupWithManager(mgr ctrl.Manager) error { |
| 98 | + c, err := controller.New("secret", mgr, controller.Options{Reconciler: m}) |
| 99 | + if err != nil { |
| 100 | + return err |
| 101 | + } |
| 102 | + |
| 103 | + return c.Watch(&source.Kind{Type: &corev1.Secret{}}, &handler.EnqueueRequestForObject{}, predicate.Funcs{ |
| 104 | + CreateFunc: func(event event.CreateEvent) bool { |
| 105 | + secret := event.Object.(*corev1.Secret) |
| 106 | + klog.V(6).Infof("watch secret %s created", secret.GetName()) |
| 107 | + return true |
| 108 | + }, |
| 109 | + UpdateFunc: func(updateEvent event.UpdateEvent) bool { |
| 110 | + secretNew, ok := updateEvent.ObjectNew.(*corev1.Secret) |
| 111 | + klog.V(6).Infof("watch secret %s updated", secretNew.GetName()) |
| 112 | + if !ok { |
| 113 | + klog.V(6).Infof("secret.onUpdateFunc Skip object: %v", updateEvent.ObjectNew) |
| 114 | + return false |
| 115 | + } |
| 116 | + |
| 117 | + secretOld, ok := updateEvent.ObjectOld.(*corev1.Secret) |
| 118 | + if !ok { |
| 119 | + klog.V(6).Infof("secret.onUpdateFunc Skip object: %v", updateEvent.ObjectOld) |
| 120 | + return false |
| 121 | + } |
| 122 | + |
| 123 | + if secretNew.GetResourceVersion() == secretOld.GetResourceVersion() { |
| 124 | + klog.V(6).Info("secret.onUpdateFunc Skip due to resourceVersion not changed") |
| 125 | + return false |
| 126 | + } |
| 127 | + return true |
| 128 | + }, |
| 129 | + DeleteFunc: func(deleteEvent event.DeleteEvent) bool { |
| 130 | + secret := deleteEvent.Object.(*corev1.Secret) |
| 131 | + klog.V(6).Infof("watch secret %s deleted", secret.GetName()) |
| 132 | + return true |
| 133 | + }, |
| 134 | + }) |
| 135 | +} |
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