linkerd2/cli/cmd/authz.go

90 lines
2.3 KiB
Go

package cmd
import (
"fmt"
"os"
"github.com/linkerd/linkerd2/cli/table"
pkgcmd "github.com/linkerd/linkerd2/pkg/cmd"
"github.com/linkerd/linkerd2/pkg/k8s"
"github.com/spf13/cobra"
)
func newCmdAuthz() *cobra.Command {
var namespace string
cmd := &cobra.Command{
Use: "authz [flags] resource",
Short: "List server authorizations for a resource",
Long: "List server authorizations for a resource.",
Args: cobra.RangeArgs(1, 2),
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
k8sAPI, err := k8s.NewAPI(kubeconfigPath, kubeContext, impersonate, impersonateGroup, 0)
if err != nil {
return nil, cobra.ShellCompDirectiveError
}
if namespace == "" {
namespace = pkgcmd.GetDefaultNamespace(kubeconfigPath, kubeContext)
}
cc := k8s.NewCommandCompletion(k8sAPI, namespace)
results, err := cc.Complete(args, toComplete)
if err != nil {
return nil, cobra.ShellCompDirectiveError
}
return results, cobra.ShellCompDirectiveDefault
},
RunE: func(cmd *cobra.Command, args []string) error {
if namespace == "" {
namespace = pkgcmd.GetDefaultNamespace(kubeconfigPath, kubeContext)
}
k8sAPI, err := k8s.NewAPI(kubeconfigPath, kubeContext, impersonate, impersonateGroup, 0)
if err != nil {
return err
}
var resource string
if len(args) == 1 {
resource = args[0]
} else if len(args) == 2 {
resource = args[0] + "/" + args[1]
}
rows := make([]table.Row, 0)
authzs, err := k8s.ServerAuthorizationsForResource(cmd.Context(), k8sAPI, namespace, resource)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to get serverauthorization resources: %s\n", err)
os.Exit(1)
}
for _, authz := range authzs {
rows = append(rows, table.Row{authz.Server, authz.ServerAuthorization})
}
cols := []table.Column{
{Header: "SERVER", Width: 6, Flexible: true},
{Header: "AUTHORIZATION", Width: 13, Flexible: true},
}
table := table.NewTable(cols, rows)
table.Render(os.Stdout)
return nil
},
}
cmd.PersistentFlags().StringVarP(&namespace, "namespace", "n", "", "Namespace of resource")
pkgcmd.ConfigureNamespaceFlagCompletion(cmd, []string{"namespace"},
kubeconfigPath, impersonate, impersonateGroup, kubeContext)
return cmd
}