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package registry
import (
"context"
"github.com/containers/libpod/pkg/domain/entities"
"github.com/containers/libpod/pkg/domain/infra"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// DefaultAPIAddress is the default address of the REST socket
const DefaultAPIAddress = "unix:/run/podman/podman.sock"
// DefaultVarlinkAddress is the default address of the varlink socket
const DefaultVarlinkAddress = "unix:/run/podman/io.podman"
type CliCommand struct {
Mode []entities.EngineMode
Command *cobra.Command
Parent *cobra.Command
}
const ExecErrorCodeGeneric = 125
var (
cliCtx context.Context
containerEngine entities.ContainerEngine
exitCode = ExecErrorCodeGeneric
imageEngine entities.ImageEngine
// Commands holds the cobra.Commands to present to the user, including
// parent if not a child of "root"
Commands []CliCommand
)
func SetExitCode(code int) {
exitCode = code
}
func GetExitCode() int {
return exitCode
}
// HelpTemplate returns the help template for podman commands
// This uses the short and long options.
// command should not use this.
func HelpTemplate() string {
return `{{.Short}}
Description:
{{.Long}}
{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`
}
// UsageTemplate returns the usage template for podman commands
// This blocks the displaying of the global options. The main podman
// command should not use this.
func UsageTemplate() string {
return `Usage(v2):{{if (and .Runnable (not .HasAvailableSubCommands))}}
{{.UseLine}}{{end}}{{if .HasAvailableSubCommands}}
{{.CommandPath}} [command]{{end}}{{if gt (len .Aliases) 0}}
Aliases:
{{.NameAndAliases}}{{end}}{{if .HasExample}}
Examples:
{{.Example}}{{end}}{{if .HasAvailableSubCommands}}
Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
Flags:
{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}
{{end}}
`
}
func ImageEngine() entities.ImageEngine {
return imageEngine
}
// NewImageEngine is a wrapper for building an ImageEngine to be used for PreRunE functions
func NewImageEngine(cmd *cobra.Command, args []string) (entities.ImageEngine, error) {
if imageEngine == nil {
PodmanOptions.FlagSet = cmd.Flags()
engine, err := infra.NewImageEngine(PodmanOptions)
if err != nil {
return nil, err
}
imageEngine = engine
}
return imageEngine, nil
}
func ContainerEngine() entities.ContainerEngine {
return containerEngine
}
// NewContainerEngine is a wrapper for building an ContainerEngine to be used for PreRunE functions
func NewContainerEngine(cmd *cobra.Command, args []string) (entities.ContainerEngine, error) {
if containerEngine == nil {
PodmanOptions.FlagSet = cmd.Flags()
engine, err := infra.NewContainerEngine(PodmanOptions)
if err != nil {
return nil, err
}
containerEngine = engine
}
return containerEngine, nil
}
func SubCommandExists(cmd *cobra.Command, args []string) error {
if len(args) > 0 {
return errors.Errorf("unrecognized command `%[1]s %[2]s`\nTry '%[1]s --help' for more information.", cmd.CommandPath(), args[0])
}
return errors.Errorf("missing command '%[1]s COMMAND'\nTry '%[1]s --help' for more information.", cmd.CommandPath())
}
// IdOrLatestArgs used to validate a nameOrId was provided or the "--latest" flag
func IdOrLatestArgs(cmd *cobra.Command, args []string) error {
if len(args) > 1 || (len(args) == 0 && !cmd.Flag("latest").Changed) {
return errors.New(`command requires a name, id or the "--latest" flag`)
}
return nil
}
func GetContext() context.Context {
if cliCtx == nil {
cliCtx = context.Background()
}
return cliCtx
}
type ContextOptionsKey string
const PodmanOptionsKey ContextOptionsKey = "PodmanOptions"
func GetContextWithOptions() context.Context {
return context.WithValue(GetContext(), PodmanOptionsKey, PodmanOptions)
}
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