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package main
import (
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/spf13/cobra"
"os"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/adapter"
"github.com/pkg/errors"
)
var (
imageExistsCommand cliconfig.ImageExistsValues
containerExistsCommand cliconfig.ContainerExistsValues
podExistsCommand cliconfig.PodExistsValues
imageExistsDescription = `
podman image exists
Check if an image exists in local storage
`
containerExistsDescription = `
podman container exists
Check if a container exists in local storage
`
podExistsDescription = `
podman pod exists
Check if a pod exists in local storage
`
_imageExistsCommand = &cobra.Command{
Use: "exists IMAGE",
Short: "Check if an image exists in local storage",
Long: imageExistsDescription,
RunE: func(cmd *cobra.Command, args []string) error {
imageExistsCommand.InputArgs = args
imageExistsCommand.GlobalFlags = MainGlobalOpts
return imageExistsCmd(&imageExistsCommand)
},
Example: `podman image exists imageID`,
}
_containerExistsCommand = &cobra.Command{
Use: "exists CONTAINER",
Short: "Check if a container exists in local storage",
Long: containerExistsDescription,
RunE: func(cmd *cobra.Command, args []string) error {
containerExistsCommand.InputArgs = args
containerExistsCommand.GlobalFlags = MainGlobalOpts
return containerExistsCmd(&containerExistsCommand)
},
Example: `podman container exists containerID`,
}
_podExistsCommand = &cobra.Command{
Use: "exists POD",
Short: "Check if a pod exists in local storage",
Long: podExistsDescription,
RunE: func(cmd *cobra.Command, args []string) error {
podExistsCommand.InputArgs = args
podExistsCommand.GlobalFlags = MainGlobalOpts
return podExistsCmd(&podExistsCommand)
},
Example: `podman pod exists podID`,
}
)
func init() {
imageExistsCommand.Command = _imageExistsCommand
imageExistsCommand.DisableFlagsInUseLine = true
imageExistsCommand.SetUsageTemplate(UsageTemplate())
containerExistsCommand.Command = _containerExistsCommand
containerExistsCommand.DisableFlagsInUseLine = true
containerExistsCommand.SetUsageTemplate(UsageTemplate())
podExistsCommand.Command = _podExistsCommand
podExistsCommand.DisableFlagsInUseLine = true
podExistsCommand.SetUsageTemplate(UsageTemplate())
}
func imageExistsCmd(c *cliconfig.ImageExistsValues) error {
args := c.InputArgs
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 := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
if _, err := runtime.NewImageFromLocal(args[0]); err != nil {
//TODO we need to ask about having varlink defined errors exposed
//so we can reuse them
if errors.Cause(err) == image.ErrNoSuchImage || err.Error() == "io.podman.ImageNotFound" {
os.Exit(1)
}
return err
}
return nil
}
func containerExistsCmd(c *cliconfig.ContainerExistsValues) error {
args := c.InputArgs
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 := adapter.GetRuntime(&c.PodmanCommand)
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 || err.Error() == "io.podman.ContainerNotFound" {
os.Exit(1)
}
return err
}
return nil
}
func podExistsCmd(c *cliconfig.PodExistsValues) error {
args := c.InputArgs
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 := adapter.GetRuntime(&c.PodmanCommand)
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 || err.Error() == "io.podman.PodNotFound" {
os.Exit(1)
}
return err
}
return nil
}
|
