podman/cmd/podman/quadlet/list.go

103 lines
2.8 KiB
Go

package quadlet
import (
"fmt"
"os"
"github.com/containers/common/pkg/completion"
"github.com/containers/common/pkg/report"
"github.com/containers/podman/v5/cmd/podman/common"
"github.com/containers/podman/v5/cmd/podman/registry"
"github.com/containers/podman/v5/cmd/podman/validate"
"github.com/containers/podman/v5/pkg/domain/entities"
"github.com/spf13/cobra"
)
var (
quadletListDescription = `List all Quadlets configured for the current user.`
quadletListCmd = &cobra.Command{
Use: "list [options]",
Short: "List Quadlets",
Long: quadletListDescription,
RunE: list,
Args: validate.NoArgs,
ValidArgsFunction: completion.AutocompleteNone,
Example: `podman quadlet list
podman quadlet list --format '{{ .Unit }}'
podman quadlet list --filter 'name=test*'`,
}
listOptions entities.QuadletListOptions
format string
)
func listFlags(cmd *cobra.Command) {
formatFlagName := "format"
filterFlagName := "filter"
flags := cmd.Flags()
flags.StringArrayVarP(&listOptions.Filters, filterFlagName, "f", []string{}, "Filter output based on conditions given")
flags.StringVar(&format, formatFlagName, "{{range .}}{{.Name}}\t{{.UnitName}}\t{{.Path}}\t{{.Status}}\n{{end -}}", "Pretty-print output to JSON or using a Go template")
_ = quadletListCmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(&entities.ListQuadlet{}))
_ = quadletListCmd.RegisterFlagCompletionFunc(filterFlagName, common.AutocompleteQuadletFilters)
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: quadletListCmd,
Parent: quadletCmd,
})
listFlags(quadletListCmd)
}
func list(cmd *cobra.Command, args []string) error {
quadlets, err := registry.ContainerEngine().QuadletList(registry.Context(), listOptions)
if err != nil {
return err
}
if report.IsJSON(format) {
return outputJSON(quadlets)
}
return outputTemplate(cmd, quadlets)
}
func outputTemplate(cmd *cobra.Command, responses []*entities.ListQuadlet) error {
headers := report.Headers(entities.ListQuadlet{}, map[string]string{
"Name": "NAME",
"UnitName": "UNIT NAME",
"Path": "PATH ON DISK",
"Status": "STATUS",
})
rpt := report.New(os.Stdout, cmd.Name())
defer rpt.Flush()
var err error
switch {
case cmd.Flag("format").Changed:
rpt, err = rpt.Parse(report.OriginUser, format)
default:
rpt, err = rpt.Parse(report.OriginPodman, format)
}
if err != nil {
return err
}
if err := rpt.Execute(headers); err != nil {
return fmt.Errorf("writing column headers: %w", err)
}
return rpt.Execute(responses)
}
func outputJSON(vols []*entities.ListQuadlet) error {
b, err := json.MarshalIndent(vols, "", " ")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}