forked from sensu/sensu-go
/
list.go
176 lines (165 loc) · 3.93 KB
/
list.go
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package handler
import (
"errors"
"fmt"
"io"
"strconv"
"strings"
"github.com/sensu/sensu-go/cli"
"github.com/sensu/sensu-go/cli/commands/flags"
"github.com/sensu/sensu-go/cli/commands/helpers"
"github.com/sensu/sensu-go/cli/elements/table"
"github.com/sensu/sensu-go/types"
"github.com/spf13/cobra"
)
// ListCommand defines new list events command
func ListCommand(cli *cli.SensuCli) *cobra.Command {
cmd := &cobra.Command{
Use: "list",
Short: "list handlers",
SilenceUsage: true,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) != 0 {
_ = cmd.Help()
return errors.New("invalid argument(s) received")
}
namespace := cli.Config.Namespace()
if ok, _ := cmd.Flags().GetBool(flags.AllNamespaces); ok {
namespace = types.NamespaceTypeAll
}
opts, err := helpers.ListOptionsFromFlags(cmd.Flags())
if err != nil {
return err
}
// Fetch handlers from API
results, err := cli.Client.ListHandlers(namespace, &opts)
if err != nil {
return err
}
// Print the results based on the user preferences
resources := []types.Resource{}
for i := range results {
resources = append(resources, &results[i])
}
return helpers.Print(cmd, cli.Config.Format(), printToTable, resources, results)
},
}
helpers.AddFormatFlag(cmd.Flags())
helpers.AddAllNamespace(cmd.Flags())
helpers.AddFieldSelectorFlag(cmd.Flags())
helpers.AddLabelSelectorFlag(cmd.Flags())
helpers.AddChunkSizeFlag(cmd.Flags())
return cmd
}
func printToTable(results interface{}, writer io.Writer) {
table := table.New([]*table.Column{
{
Title: "Name",
ColumnStyle: table.PrimaryTextStyle,
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return handler.Name
},
},
{
Title: "Type",
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return handler.Type
},
},
{
Title: "Timeout",
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return strconv.FormatUint(uint64(handler.Timeout), 10)
},
},
{
Title: "Filters",
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return strings.Join(handler.Filters, ",")
},
},
{
Title: "Mutator",
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return handler.Mutator
},
},
{
Title: "Execute",
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
switch handler.Type {
case types.HandlerTCPType:
fallthrough
case types.HandlerUDPType:
return fmt.Sprintf(
"%s %s://%s:%d",
table.TitleStyle("PUSH:"),
handler.Type,
handler.Socket.Host,
handler.Socket.Port,
)
case types.HandlerPipeType:
return fmt.Sprintf(
"%s %s",
table.TitleStyle("RUN:"),
handler.Command,
)
case types.HandlerSetType:
return fmt.Sprintf(
"%s %s",
table.TitleStyle("CALL:"),
strings.Join(handler.Handlers, ","),
)
default:
return "UNKNOWN"
}
},
},
{
Title: "Environment Variables",
ColumnStyle: table.PrimaryTextStyle,
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return strings.Join(handler.EnvVars, ",")
},
},
{
Title: "Assets",
CellTransformer: func(data interface{}) string {
handler, ok := data.(types.Handler)
if !ok {
return cli.TypeError
}
return strings.Join(handler.RuntimeAssets, ",")
},
},
})
table.Render(writer, results)
}