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objectstorageuser_controller.go
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objectstorageuser_controller.go
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/*
Copyright 2023.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controllers
import (
"context"
"fmt"
"strings"
"time"
"github.com/go-logr/logr"
"github.com/minio/madmin-go/v3"
"github.com/minio/minio-go/v7"
myObjectStorage "github.com/labring/sealos/controllers/pkg/objectstorage"
"github.com/labring/sealos/controllers/pkg/utils/env"
objectstoragev1 "github/labring/sealos/controllers/objectstorage/api/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/rand"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// OS = object storage, OSU = object storage user
// ObjectStorageUserReconciler reconciles a ObjectStorageUser object
type ObjectStorageUserReconciler struct {
client.Client
Scheme *runtime.Scheme
Logger logr.Logger
OSAdminClient *madmin.AdminClient
OSClient *minio.Client
OSNamespace string
OSAdminSecret string
InternalEndpoint string
ExternalEndpoint string
OSUDetectionCycle time.Duration
}
const (
UserNormalGroup = "userNormal"
UserDenyWriteGroup = "userDenyWrite"
AccessKey = "CONSOLE_ACCESS_KEY"
SecretKey = "CONSOLE_SECRET_KEY"
OSUDetectionCycleEnv = "OSUDetectionCycleSeconds"
OSInternalEndpointEnv = "OSInternalEndpoint"
OSExternalEndpointEnv = "OSExternalEndpoint"
OSNamespace = "OSNamespace"
OSAdminSecret = "OSAdminSecret"
)
//+kubebuilder:rbac:groups=objectstorage.sealos.io,resources=objectstorageusers,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=objectstorage.sealos.io,resources=objectstorageusers/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=objectstorage.sealos.io,resources=objectstorageusers/finalizers,verbs=update
//+kubebuilder:rbac:groups="",resources=secrets,verbs=get;list;watch;create;update;patch;delete
func (r *ObjectStorageUserReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
username := req.Name
userNamespace := req.Namespace
// check object storage user name if correct or not
if username != strings.Split(userNamespace, "-")[1] {
r.Logger.V(1).Info("object storage user name is not correspond to the namespace", "name", username, "namespace", userNamespace)
return ctrl.Result{}, nil
}
// new OSAdminClient and OSClient
if r.OSAdminClient == nil || r.OSClient == nil {
secret := &corev1.Secret{}
if err := r.Get(ctx, client.ObjectKey{Name: r.OSAdminSecret, Namespace: r.OSNamespace}, secret); err != nil {
r.Logger.Error(err, "failed to get secret", "name", r.OSAdminSecret, "namespace", r.OSNamespace)
return ctrl.Result{}, err
}
endpoint := r.InternalEndpoint
accessKey := string(secret.Data[AccessKey])
secretKey := string(secret.Data[SecretKey])
var err error
if r.OSAdminClient == nil {
if r.OSAdminClient, err = objectstoragev1.NewOSAdminClient(endpoint, accessKey, secretKey); err != nil {
r.Logger.Error(err, "failed to new object storage admin client")
return ctrl.Result{}, err
}
}
if r.OSClient == nil {
if r.OSClient, err = objectstoragev1.NewOSClient(endpoint, accessKey, secretKey); err != nil {
r.Logger.Error(err, "failed to new object storage client")
return ctrl.Result{}, err
}
}
}
user := &objectstoragev1.ObjectStorageUser{}
if err := r.Get(ctx, client.ObjectKey{Name: username, Namespace: userNamespace}, user); err != nil {
if !errors.IsNotFound(err) {
r.Logger.Error(err, "failed to get object storage user", "name", username, "namespace", userNamespace)
return ctrl.Result{}, err
}
if err := r.deleteObjectStorageUser(ctx, username, userNamespace); err != nil {
r.Logger.Error(err, "failed to delete object storage user", "name", username, "namespace", userNamespace)
return ctrl.Result{}, err
}
return ctrl.Result{}, nil
}
updated := r.initObjectStorageUser(user, username)
accessKey := user.Status.AccessKey
secretKey := user.Status.SecretKey
// get object storage user list
users, err := r.OSAdminClient.ListUsers(ctx)
if err != nil {
r.Logger.Error(err, "failed to list object storage users")
return ctrl.Result{}, err
}
if _, ok := users[user.Name]; !ok {
if err := r.NewObjectStorageUser(ctx, accessKey, secretKey); err != nil {
r.Logger.Error(err, "failed to new object storage user", "name", accessKey)
return ctrl.Result{}, err
}
}
// check whether the space used exceeds the quota
size, objectsCount, err := myObjectStorage.GetUserObjectStorageSize(r.OSClient, user.Name)
if err != nil {
r.Logger.Error(err, "failed to get user space used", "name", username, "namespace", userNamespace)
return ctrl.Result{}, err
}
if user.Status.Size != size {
user.Status.Size = size
updated = true
}
if user.Status.ObjectsCount != objectsCount {
user.Status.ObjectsCount = objectsCount
updated = true
}
if updated {
if err := r.Status().Update(ctx, user); err != nil {
r.Logger.Error(err, "failed to update status", "name", username, "namespace", userNamespace)
return ctrl.Result{}, err
}
}
r.Logger.V(1).Info("[user] user info", "name", user.Name, "quota", user.Status.Quota, "size", size, "objectsCount", user.Status.ObjectsCount)
if size > user.Status.Quota {
if err := r.addUserToGroup(ctx, accessKey, UserDenyWriteGroup); err != nil {
r.Logger.Error(err, "failed to add user to userDenyWrite group")
return ctrl.Result{}, err
}
} else {
if err := r.removeUserFromGroup(ctx, accessKey, UserDenyWriteGroup); err != nil {
r.Logger.Error(err, "failed to remove user from userDenyWrite group")
return ctrl.Result{}, err
}
}
return ctrl.Result{Requeue: true, RequeueAfter: r.OSUDetectionCycle}, nil
}
func (r *ObjectStorageUserReconciler) NewObjectStorageUser(ctx context.Context, accessKey, secretKey string) error {
if err := r.OSAdminClient.AddUser(ctx, accessKey, secretKey); err != nil {
r.Logger.Error(err, "failed to create object storage user")
return err
}
if err := r.addUserToGroup(ctx, accessKey, UserNormalGroup); err != nil {
r.Logger.Error(err, "failed to add user to userNormal group")
return err
}
return nil
}
func (r *ObjectStorageUserReconciler) addUserToGroup(ctx context.Context, user string, group string) error {
newGroupDesc := madmin.GroupAddRemove{}
groupDesc, err := r.OSAdminClient.GetGroupDescription(ctx, group)
if err != nil {
r.Logger.Error(err, "failed to get object storage group description", "group", group)
return err
}
member := []string{user}
newGroupDesc.Group = groupDesc.Name
newGroupDesc.Members = member
newGroupDesc.Status = madmin.GroupStatus(groupDesc.Status)
var isExist = false
for _, member := range groupDesc.Members {
if user == member {
isExist = true
break
}
}
if !isExist {
if err := r.OSAdminClient.UpdateGroupMembers(ctx, newGroupDesc); err != nil {
r.Logger.Error(err, "failed to add user to group", "user", user, "group", group)
return err
}
}
return nil
}
func (r *ObjectStorageUserReconciler) removeUserFromGroup(ctx context.Context, user string, group string) error {
newGroupDesc := madmin.GroupAddRemove{}
groupDesc, err := r.OSAdminClient.GetGroupDescription(ctx, group)
if err != nil {
r.Logger.Error(err, "failed to get object storage group description", "group", group)
return err
}
member := []string{user}
newGroupDesc.Group = groupDesc.Name
newGroupDesc.Members = member
newGroupDesc.Status = madmin.GroupStatus(groupDesc.Status)
newGroupDesc.IsRemove = true
if err := r.OSAdminClient.UpdateGroupMembers(ctx, newGroupDesc); err != nil {
r.Logger.Error(err, "failed to remove user from userDenyWrite group", "user", user)
return err
}
return nil
}
func (r *ObjectStorageUserReconciler) deleteObjectStorageUser(ctx context.Context, username, userNamespace string) error {
// delete all bucket cr of user
if err := r.Client.DeleteAllOf(ctx, &objectstoragev1.ObjectStorageBucket{}, client.InNamespace(userNamespace)); client.IgnoreNotFound(err) != nil {
r.Logger.Error(err, "failed to delete all bucket of user", "name", username, "namespace", userNamespace)
return err
}
users, err := r.OSAdminClient.ListUsers(ctx)
if err != nil {
r.Logger.Error(err, "failed to list object storage users")
return err
}
// if user is already remove return nil
if _, ok := users[username]; !ok {
return nil
}
// remove object storage user
if err := r.OSAdminClient.RemoveUser(ctx, username); err != nil {
r.Logger.Error(err, "failed to remove object storage user", "name", username)
return err
}
return nil
}
func (r *ObjectStorageUserReconciler) initObjectStorageUser(user *objectstoragev1.ObjectStorageUser, username string) bool {
var updated = false
if user.Status.Quota == 0 {
// 1073741824Byte = 1G
user.Status.Quota = 1073741824
updated = true
}
if user.Status.AccessKey == "" {
user.Status.AccessKey = username
updated = true
}
if user.Status.SecretKey == "" {
user.Status.SecretKey = rand.String(16)
updated = true
}
if user.Status.Internal == "" {
user.Status.Internal = r.InternalEndpoint
updated = true
}
if user.Status.External == "" {
user.Status.External = r.ExternalEndpoint
updated = true
}
return updated
}
// SetupWithManager sets up the controller with the Manager.
func (r *ObjectStorageUserReconciler) SetupWithManager(mgr ctrl.Manager) error {
r.Logger = ctrl.Log.WithName("object-storage-user-controller")
r.Logger.V(1).Info("starting object storage user controller")
oSUDetectionCycleSecond := env.GetInt64EnvWithDefault(OSUDetectionCycleEnv, 180)
r.OSUDetectionCycle = time.Duration(oSUDetectionCycleSecond) * time.Second
internalEndpoint := env.GetEnvWithDefault(OSInternalEndpointEnv, "")
r.InternalEndpoint = internalEndpoint
externalEndpoint := env.GetEnvWithDefault(OSExternalEndpointEnv, "")
r.ExternalEndpoint = externalEndpoint
oSNamespace := env.GetEnvWithDefault(OSNamespace, "")
r.OSNamespace = oSNamespace
oSAdminSecret := env.GetEnvWithDefault(OSAdminSecret, "")
r.OSAdminSecret = oSAdminSecret
if internalEndpoint == "" || externalEndpoint == "" || oSNamespace == "" || oSAdminSecret == "" {
return fmt.Errorf("failed to get the endpoint or namespace or admin secret env of object storage")
}
return ctrl.NewControllerManagedBy(mgr).
For(&objectstoragev1.ObjectStorageUser{}).
Complete(r)
}