/
new.go
147 lines (117 loc) · 3.27 KB
/
new.go
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package new
import (
"errors"
"fmt"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/cli-runtime/pkg/genericclioptions/printers"
kcmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/scheme"
"k8s.io/kubernetes/pkg/kubectl/util/templates"
userv1 "github.com/openshift/api/user/v1"
userv1typedclient "github.com/openshift/client-go/user/clientset/versioned/typed/user/v1"
)
const NewGroupRecommendedName = "new"
var (
newLong = templates.LongDesc(`
Create a new group.
This command will create a new group with an optional list of users.`)
newExample = templates.Examples(`
# Add a group with no users
%[1]s my-group
# Add a group with two users
%[1]s my-group user1 user2
# Add a group with one user and shorter output
%[1]s my-group user1 -o name`)
)
type NewGroupOptions struct {
PrintFlags *genericclioptions.PrintFlags
Printer printers.ResourcePrinter
GroupClient userv1typedclient.GroupsGetter
Group string
Users []string
DryRun bool
genericclioptions.IOStreams
}
func NewNewGroupOptions(streams genericclioptions.IOStreams) *NewGroupOptions {
return &NewGroupOptions{
PrintFlags: genericclioptions.NewPrintFlags("created").WithTypeSetter(scheme.Scheme),
IOStreams: streams,
}
}
func NewCmdNewGroup(name, fullName string, f kcmdutil.Factory, streams genericclioptions.IOStreams) *cobra.Command {
o := NewNewGroupOptions(streams)
cmd := &cobra.Command{
Use: name + " GROUP [USER ...]",
Short: "Create a new group",
Long: newLong,
Example: fmt.Sprintf(newExample, fullName),
Run: func(cmd *cobra.Command, args []string) {
kcmdutil.CheckErr(o.Complete(f, cmd, args))
kcmdutil.CheckErr(o.Validate())
kcmdutil.CheckErr(o.Run())
},
}
o.PrintFlags.AddFlags(cmd)
kcmdutil.AddDryRunFlag(cmd)
return cmd
}
func (o *NewGroupOptions) Complete(f kcmdutil.Factory, cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("You must specify at least one argument: GROUP [USER ...]")
}
o.Group = args[0]
if len(args) > 1 {
o.Users = append(o.Users, args[1:]...)
}
clientConfig, err := f.ToRESTConfig()
if err != nil {
return err
}
o.GroupClient, err = userv1typedclient.NewForConfig(clientConfig)
if err != nil {
return err
}
o.DryRun = kcmdutil.GetDryRunFlag(cmd)
if o.DryRun {
o.PrintFlags.Complete("%s (dry run)")
}
o.Printer, err = o.PrintFlags.ToPrinter()
if err != nil {
return err
}
return nil
}
func (o *NewGroupOptions) Validate() error {
if len(o.Group) == 0 {
return fmt.Errorf("group is required")
}
return nil
}
func (o *NewGroupOptions) Run() error {
group := &userv1.Group{
// this is ok because we know exactly how we want to be serialized
TypeMeta: metav1.TypeMeta{APIVersion: userv1.SchemeGroupVersion.String(), Kind: "Group"},
ObjectMeta: metav1.ObjectMeta{
Name: o.Group,
},
}
usedNames := sets.String{}
for _, user := range o.Users {
if usedNames.Has(user) {
continue
}
usedNames.Insert(user)
group.Users = append(group.Users, user)
}
if !o.DryRun {
var err error
group, err = o.GroupClient.Groups().Create(group)
if err != nil {
return err
}
}
return o.Printer.PrintObj(group, o.Out)
}