/
cmd.go
159 lines (137 loc) · 4.66 KB
/
cmd.go
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package cleanupuserpermissions
import (
"context"
"fmt"
"github.com/AliyunContainerService/ack-ram-tool/pkg/ctl/rbac/scanuserpermissions"
"github.com/AliyunContainerService/ack-ram-tool/pkg/log"
"github.com/briandowns/spinner"
"time"
ctlcommon "github.com/AliyunContainerService/ack-ram-tool/pkg/ctl/common"
"github.com/AliyunContainerService/ack-ram-tool/pkg/ctl/rbac/binding"
"github.com/AliyunContainerService/ack-ram-tool/pkg/openapi"
"github.com/AliyunContainerService/ack-ram-tool/pkg/types"
"github.com/spf13/cobra"
"k8s.io/client-go/kubernetes"
)
type Option struct {
userId uint64
clusterId string
privateIpAddress bool
temporaryDuration time.Duration
//outputFormat OutputFormat
allDeletedUsers bool
}
var opts = Option{
temporaryDuration: time.Hour,
}
var cmd = &cobra.Command{
Use: "cleanup-user-permissions",
Short: "cleanup RBAC permissions for one user or all deleted users",
Long: `cleanup RBAC permissions for one user or all deleted users
Examples:
# cleanup RBAC permissions for one cluster and one user
ack-ram-tool rbac cleanup-user-permissions -c <clusterId> -u <uid>
# cleanup RBAC permissions for one cluster and all deleted users
ack-ram-tool rbac cleanup-user-permissions -c <clusterId> --all-deleted-users
`,
Run: func(cmd *cobra.Command, args []string) {
if !opts.allDeletedUsers && opts.userId == 0 {
cmd.Help()
log.Logger.Error("flag -u/--user-id/--all-deleted-users not set")
return
}
ctx := ctlcommon.SetupSignalHandler(context.Background())
run(ctx)
},
}
func run(ctx context.Context) {
openAPIClient := ctlcommon.GetClientOrDie()
if err := cleanOneCluster(ctx, openAPIClient, opts.clusterId); err != nil {
ctlcommon.ExitIfError(err)
}
}
func cleanOneCluster(ctx context.Context, openAPIClient openapi.ClientInterface, clusterId string) error {
log.Logger.Info("Start to scan users and bindings")
spin := spinner.New(spinner.CharSets[9], 100*time.Millisecond)
spin.Start()
var kubeClient kubernetes.Interface
var accounts map[int64]types.Account
var bindings []binding.Binding
var err error
func() {
defer spin.Stop()
kubeClient, err = getKubeClient(ctx, openAPIClient, clusterId)
if err != nil {
return
}
accounts, err = binding.ListAccounts(ctx, openAPIClient)
if err != nil {
return
}
bindings, err = scanuserpermissions.GetClusterBindings(ctx, kubeClient)
if err != nil {
return
}
}()
if err != nil {
return err
}
return cleanupOneCluster(ctx, bindings, accounts, kubeClient, clusterId)
}
func cleanupOneCluster(ctx context.Context, bindings []binding.Binding,
accounts map[int64]types.Account, kube kubernetes.Interface, clusterId string) error {
var newBindings []binding.Binding
for _, b := range bindings {
if b.AliUid == 0 {
continue
}
if opts.userId != 0 && b.AliUid != int64(opts.userId) {
continue
}
acc, ok := accounts[b.AliUid]
if !ok {
acc = types.NewFakeAccount(b.AliUid)
acc.MarkDeleted()
accounts[b.AliUid] = acc
}
if opts.allDeletedUsers && !acc.Deleted() {
continue
}
newBindings = append(newBindings, b)
}
log.Logger.Info("will cleanup RBAC bindings as below:")
scanuserpermissions.OutputBindingsTable(newBindings, accounts, false)
ctlcommon.YesOrExit("Are you sure you want to cleanup these bindings?")
for _, b := range newBindings {
log.Logger.Infof("start to backup binding: %s", b.String())
if p, err := binding.SaveBindingToFile(ctx, clusterId, b, kube); err != nil {
return fmt.Errorf("backup binding %s: %w", b.String(), err)
} else {
log.Logger.Infof("the origin binding %s have been backed up to file %s", b.String(), p)
}
log.Logger.Infof("start to delete binding: %s", b.String())
if err := binding.RemoveBinding(ctx, b, kube); err != nil {
return fmt.Errorf("delete binding %s: %w", b.String(), err)
}
log.Logger.Infof("deleted binding: %s", b.String())
}
log.Logger.Info("all bindings have been cleanup")
return nil
}
func getKubeClient(ctx context.Context, openAPIClient openapi.ClientInterface,
clusterId string) (kubernetes.Interface, error) {
kubeconfig, err := openAPIClient.GetUserKubeConfig(ctx, clusterId,
opts.privateIpAddress, opts.temporaryDuration)
if err != nil {
return nil, fmt.Errorf("get kubeconfig: %w", err)
}
client, err := ctlcommon.NewKubeClient(kubeconfig.RawData)
return client, err
}
func SetupCmd(rootCmd *cobra.Command) {
rootCmd.AddCommand(cmd)
cmd.Flags().Uint64VarP(&opts.userId, "user-id", "u", 0, "limit user id")
cmd.Flags().StringVarP(&opts.clusterId, "cluster-id", "c", "", "cluster id")
cmd.Flags().BoolVar(&opts.allDeletedUsers, "all-deleted-users", false, "cleanup all deleted users")
ctlcommon.ExitIfError(cmd.MarkFlagRequired("cluster-id"))
}