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deleteexport.go
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/
deleteexport.go
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/*
* Copyright 2018-2019 The NATS Authors
* 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 cmd
import (
"fmt"
cli "github.com/nats-io/cliprompts/v2"
"github.com/nats-io/jwt/v2"
"github.com/nats-io/nkeys"
"github.com/nats-io/nsc/v2/cmd/store"
"github.com/spf13/cobra"
)
func createDeleteExportCmd() *cobra.Command {
var params DeleteExportParams
cmd := &cobra.Command{
Use: "export",
Short: "Delete an export",
Args: MaxArgs(0),
SilenceUsage: true,
RunE: func(cmd *cobra.Command, args []string) error {
return RunAction(cmd, args, ¶ms)
},
}
cmd.Flags().StringVarP(¶ms.subject, "subject", "s", "", "subject")
params.AccountContextParams.BindFlags(cmd)
return cmd
}
func init() {
deleteCmd.AddCommand(createDeleteExportCmd())
}
type DeleteExportParams struct {
AccountContextParams
SignerParams
claim *jwt.AccountClaims
index int
subject string
}
func (p *DeleteExportParams) SetDefaults(ctx ActionCtx) error {
p.AccountContextParams.SetDefaults(ctx)
p.SignerParams.SetDefaults(nkeys.PrefixByteOperator, true, ctx)
p.index = -1
return nil
}
func (p *DeleteExportParams) PreInteractive(ctx ActionCtx) error {
var err error
if err = p.AccountContextParams.Edit(ctx); err != nil {
return err
}
return nil
}
func (p *DeleteExportParams) Load(ctx ActionCtx) error {
var err error
if err = p.AccountContextParams.Validate(ctx); err != nil {
return err
}
p.claim, err = ctx.StoreCtx().Store.ReadAccountClaim(p.AccountContextParams.Name)
if err != nil {
return err
}
switch len(p.claim.Exports) {
case 0:
return fmt.Errorf("account %q doesn't have exports", p.AccountContextParams.Name)
case 1:
if p.subject == "" {
p.subject = string(p.claim.Exports[0].Subject)
}
}
for i, e := range p.claim.Exports {
if string(e.Subject) == p.subject {
p.index = i
break
}
}
return nil
}
func (p *DeleteExportParams) PostInteractive(ctx ActionCtx) error {
var err error
choices, err := GetAccountExports(p.claim)
if err != nil {
return err
}
labels := AccountExportChoices(choices).String()
p.index, err = cli.Select("select export to delete", "", labels)
if err != nil {
return err
}
if err = p.SignerParams.Edit(ctx); err != nil {
return err
}
return nil
}
func (p *DeleteExportParams) Validate(ctx ActionCtx) error {
if p.subject == "" && p.index == -1 {
return fmt.Errorf("subject is required")
}
if p.index == -1 {
return fmt.Errorf("no export matching %q found", p.subject)
}
if err := p.SignerParams.Resolve(ctx); err != nil {
return err
}
return nil
}
func (p *DeleteExportParams) Run(ctx ActionCtx) (store.Status, error) {
dex := p.claim.Exports[p.index]
p.claim.Exports = append(p.claim.Exports[:p.index], p.claim.Exports[p.index+1:]...)
token, err := p.claim.Encode(p.signerKP)
if err != nil {
return nil, err
}
r := store.NewDetailedReport(true)
r.AddOK("deleted %s export %q", dex.Type, dex.Subject)
rs, err := ctx.StoreCtx().Store.StoreClaim([]byte(token))
if rs != nil {
r.Add(rs)
}
if err != nil {
r.AddFromError(err)
}
return r, nil
}