84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package main
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import (
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"os"
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"github.com/containers/libpod/cmd/podman/libpodruntime"
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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/pkg/errors"
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"github.com/urfave/cli"
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)
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var (
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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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imageExistsCommand = cli.Command{
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Name: "exists",
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Usage: "Check if an image exists in local storage",
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Description: imageExistsDescription,
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Action: imageExistsCmd,
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ArgsUsage: "IMAGE-NAME",
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OnUsageError: usageErrorHandler,
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}
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)
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var (
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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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containerExistsCommand = cli.Command{
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Name: "exists",
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Usage: "Check if a container exists in local storage",
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Description: containerExistsDescription,
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Action: containerExistsCmd,
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ArgsUsage: "CONTAINER-NAME",
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OnUsageError: usageErrorHandler,
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}
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)
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func imageExistsCmd(c *cli.Context) error {
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args := c.Args()
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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 := libpodruntime.GetRuntime(c)
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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.ImageRuntime().NewFromLocal(args[0]); err != nil {
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if errors.Cause(err) == image.ErrNoSuchImage {
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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 *cli.Context) error {
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args := c.Args()
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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 := libpodruntime.GetRuntime(c)
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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 {
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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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