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