storage/cmd/containers-storage/name.go

131 lines
3.2 KiB
Go

package main
import (
"encoding/json"
"fmt"
"os"
"github.com/containers/storage"
"github.com/containers/storage/opts"
"github.com/containers/storage/pkg/mflag"
)
func getNames(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
id, err := m.Lookup(args[0])
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
names, err := m.Names(id)
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(append([]string{}, names...))
} else {
for _, name := range names {
fmt.Printf("%s\n", name)
}
}
return 0
}
func addNames(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
id, err := m.Lookup(args[0])
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
oldnames, err := m.Names(id)
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
newNames := []string{}
if oldnames != nil {
newNames = append(newNames, oldnames...)
}
if paramNames != nil {
newNames = append(newNames, paramNames...)
}
if err := m.SetNames(id, newNames); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
names, err := m.Names(id)
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(names)
}
return 0
}
func setNames(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
id, err := m.Lookup(args[0])
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
if err := m.SetNames(id, paramNames); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
names, err := m.Names(id)
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
return 1
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(names)
}
return 0
}
func init() {
commands = append(commands, command{
names: []string{"get-names", "getnames"},
optionsHelp: "[options [...]] imageOrContainerNameOrID",
usage: "Get layer, image, or container name or names",
minArgs: 1,
action: getNames,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
commands = append(commands, command{
names: []string{"add-names", "addnames"},
optionsHelp: "[options [...]] imageOrContainerNameOrID",
usage: "Add layer, image, or container name or names",
minArgs: 1,
action: addNames,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.Var(opts.NewListOptsRef(&paramNames, nil), []string{"-name", "n"}, "New name")
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
commands = append(commands, command{
names: []string{"set-names", "setnames"},
optionsHelp: "[options [...]] imageOrContainerNameOrID",
usage: "Set layer, image, or container name or names",
minArgs: 1,
action: setNames,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.Var(opts.NewListOptsRef(&paramNames, nil), []string{"-name", "n"}, "New name")
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
}