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package main
import (
"github.com/pkg/errors"
"github.com/urfave/cli"
)
var (
umountCommand = cli.Command{
Name: "umount",
Aliases: []string{"unmount"},
Usage: "Unmount a working container's root filesystem",
Description: "Unmounts a working container's root filesystem",
Action: umountCmd,
ArgsUsage: "CONTAINER-NAME-OR-ID",
}
)
func umountCmd(c *cli.Context) error {
runtime, err := getRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
args := c.Args()
if len(args) == 0 {
return errors.Errorf("container ID must be specified")
}
if len(args) > 1 {
return errors.Errorf("too many arguments specified")
}
ctr, err := runtime.LookupContainer(args[0])
if err != nil {
return errors.Wrapf(err, "error looking up container %q", args[0])
}
return ctr.Unmount()
}
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