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removechannel.go
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removechannel.go
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package ordnode
import (
"crypto/tls"
"crypto/x509"
"fmt"
"github.com/kfsoftware/hlf-operator/kubectl-hlf/cmd/helpers"
"github.com/kfsoftware/hlf-operator/kubectl-hlf/cmd/helpers/osnadmin"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"io"
"io/ioutil"
"sigs.k8s.io/yaml"
)
type removeChannelCmd struct {
channel string
name string
namespace string
identity string
}
func (c *removeChannelCmd) validate() error {
if c.namespace == "" {
return errors.Errorf("--namespace is required")
}
if c.name == "" {
return errors.Errorf("--name is required")
}
if c.identity == "" {
return errors.Errorf("--identity is required")
}
if c.channel == "" {
return errors.Errorf("--channel is required")
}
return nil
}
func (c *removeChannelCmd) run() error {
clientSet, err := helpers.GetKubeClient()
if err != nil {
return err
}
hlfClient, err := helpers.GetKubeOperatorClient()
if err != nil {
return err
}
log.Printf("name=%s namespace=%s", c.name, c.namespace)
ordererNode, err := helpers.GetOrdererNodeByFullName(hlfClient, fmt.Sprintf("%s.%s", c.name, c.namespace))
if err != nil {
return err
}
certPool := x509.NewCertPool()
ok := certPool.AppendCertsFromPEM([]byte(ordererNode.Status.TlsCert))
if !ok {
return errors.Errorf("failed to add certificate")
}
adminTlsCert := ordererNode.Status.TlsAdminCert
ok = certPool.AppendCertsFromPEM([]byte(adminTlsCert))
if !ok {
return errors.Errorf("failed to add certificate")
}
identityBytes, err := ioutil.ReadFile(c.identity)
if err != nil {
return err
}
id := &identity{}
err = yaml.Unmarshal(identityBytes, id)
if err != nil {
return err
}
tlsClientCert, err := tls.X509KeyPair(
[]byte(id.Cert.Pem),
[]byte(id.Key.Pem),
)
if err != nil {
return err
}
ordererHostName, adminPort, err := helpers.GetOrdererAdminHostAndPort(clientSet, ordererNode.Spec, ordererNode.Status)
if err != nil {
return err
}
osnUrl := fmt.Sprintf("https://%s:%d", ordererHostName, adminPort)
chResponse, err := osnadmin.Remove(osnUrl, c.channel, certPool, tlsClientCert)
if err != nil {
return err
}
defer chResponse.Body.Close()
log.Infof("Status code=%d", chResponse.StatusCode)
if chResponse.StatusCode != 204 {
return errors.Errorf("error removing channel, got status code=%d", chResponse.StatusCode)
}
return nil
}
func newRemoveChannelCMD(io.Writer, io.Writer) *cobra.Command {
c := &removeChannelCmd{}
cmd := &cobra.Command{
Use: "removechannel",
RunE: func(cmd *cobra.Command, args []string) error {
if err := c.validate(); err != nil {
return err
}
return c.run()
},
}
persistentFlags := cmd.PersistentFlags()
persistentFlags.StringVarP(&c.identity, "identity", "", "", "Admin org to invoke the updates")
persistentFlags.StringVarP(&c.channel, "channel", "", "", "Channel name to remove from the OSN")
persistentFlags.StringVarP(&c.name, "name", "", "", "Orderer Service name")
persistentFlags.StringVarP(&c.namespace, "namespace", "", "default", "Orderer Service namespace")
cmd.MarkPersistentFlagRequired("identity")
cmd.MarkPersistentFlagRequired("channel")
cmd.MarkPersistentFlagRequired("name")
cmd.MarkPersistentFlagRequired("namespace")
return cmd
}