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|
package main
import (
"os"
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
"github.com/pkg/errors"
"github.com/urfave/cli"
)
var (
imageExistsDescription = `
podman image exists
Check if an image exists in local storage
`
imageExistsCommand = cli.Command{
Name: "exists",
Usage: "Check if an image exists in local storage",
Description: imageExistsDescription,
Action: imageExistsCmd,
ArgsUsage: "IMAGE-NAME",
OnUsageError: usageErrorHandler,
}
)
var (
containerExistsDescription = `
podman container exists
Check if a container exists in local storage
`
containerExistsCommand = cli.Command{
Name: "exists",
Usage: "Check if a container exists in local storage",
Description: containerExistsDescription,
Action: containerExistsCmd,
ArgsUsage: "CONTAINER-NAME",
OnUsageError: usageErrorHandler,
}
)
var (
podExistsDescription = `
podman pod exists
Check if a pod exists in local storage
`
podExistsCommand = cli.Command{
Name: "exists",
Usage: "Check if a pod exists in local storage",
Description: podExistsDescription,
Action: podExistsCmd,
ArgsUsage: "POD-NAME",
OnUsageError: usageErrorHandler,
}
)
func imageExistsCmd(c *cli.Context) error {
args := c.Args()
if len(args) > 1 || len(args) < 1 {
return errors.New("you may only check for the existence of one image at a time")
}
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
if _, err := runtime.ImageRuntime().NewFromLocal(args[0]); err != nil {
if errors.Cause(err) == image.ErrNoSuchImage {
os.Exit(1)
}
return err
}
return nil
}
func containerExistsCmd(c *cli.Context) error {
args := c.Args()
if len(args) > 1 || len(args) < 1 {
return errors.New("you may only check for the existence of one container at a time")
}
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
if _, err := runtime.LookupContainer(args[0]); err != nil {
if errors.Cause(err) == libpod.ErrNoSuchCtr {
os.Exit(1)
}
return err
}
return nil
}
func podExistsCmd(c *cli.Context) error {
args := c.Args()
if len(args) > 1 || len(args) < 1 {
return errors.New("you may only check for the existence of one pod at a time")
}
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
if _, err := runtime.LookupPod(args[0]); err != nil {
if errors.Cause(err) == libpod.ErrNoSuchPod {
os.Exit(1)
}
return err
}
return nil
}
|
