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member-list.go
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member-list.go
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package cluster
import (
"fmt"
"io"
"strings"
"github.com/coreos/etcd/clientv3"
"github.com/coreos/etcd/etcdserver/etcdserverpb"
"github.com/sensu/sensu-go/cli"
"github.com/sensu/sensu-go/cli/commands/helpers"
"github.com/sensu/sensu-go/cli/elements/table"
"github.com/spf13/cobra"
)
// MemberListCommand lists the cluster members
func MemberListCommand(cli *cli.SensuCli) *cobra.Command {
cmd := &cobra.Command{
Use: "member-list",
Short: "list cluster members",
SilenceUsage: false,
RunE: func(cmd *cobra.Command, args []string) error {
result, err := cli.Client.MemberList()
if err != nil {
return fmt.Errorf("error listing cluster members: %s", err)
}
err = helpers.PrintTitle(helpers.GetChangedStringValueFlag("format", cmd.Flags()), cli.Config.Format(), fmt.Sprintf("Etcd Cluster ID: %x", result.Header.ClusterId), cmd.OutOrStdout())
if err != nil {
return err
}
return helpers.Print(cmd, cli.Config.Format(), printMemberListToTable, nil, result)
},
}
helpers.AddFormatFlag(cmd.Flags())
return cmd
}
func printMemberListToTable(result interface{}, w io.Writer) {
memberList, ok := result.(*clientv3.MemberListResponse)
if !ok {
return
}
table := table.New([]*table.Column{
{
Title: "ID",
ColumnStyle: table.PrimaryTextStyle,
CellTransformer: func(data interface{}) string {
member, ok := data.(*etcdserverpb.Member)
if !ok {
return cli.TypeError
}
return fmt.Sprintf("%x", member.ID)
},
},
{
Title: "Name",
ColumnStyle: table.PrimaryTextStyle,
CellTransformer: func(data interface{}) string {
member, ok := data.(*etcdserverpb.Member)
if !ok {
return cli.TypeError
}
return member.Name
},
},
{
Title: "Peer URLs",
CellTransformer: func(data interface{}) string {
member, ok := data.(*etcdserverpb.Member)
if !ok {
return cli.TypeError
}
return strings.Join(member.PeerURLs, ",")
},
},
{
Title: "Client URLs",
CellTransformer: func(data interface{}) string {
member, ok := data.(*etcdserverpb.Member)
if !ok {
return cli.TypeError
}
return strings.Join(member.ClientURLs, ",")
},
},
})
table.Render(w, memberList.Members)
}