forked from containers/buildah
/
mount.go
72 lines (66 loc) · 1.63 KB
/
mount.go
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package main
import (
"fmt"
"github.com/pkg/errors"
"github.com/urfave/cli"
)
var (
mountDescription = "Mounts a working container's root filesystem for manipulation"
mountFlags = []cli.Flag{
cli.BoolFlag{
Name: "notruncate",
Usage: "do not truncate output",
},
}
mountCommand = cli.Command{
Name: "mount",
Usage: "Mount a working container's root filesystem",
Description: mountDescription,
Action: mountCmd,
ArgsUsage: "CONTAINER-NAME-OR-ID",
Flags: mountFlags,
SkipArgReorder: true,
}
)
func mountCmd(c *cli.Context) error {
args := c.Args()
if len(args) > 1 {
return errors.Errorf("too many arguments specified")
}
if err := validateFlags(c, mountFlags); err != nil {
return err
}
store, err := getStore(c)
if err != nil {
return err
}
truncate := !c.Bool("notruncate")
if len(args) == 1 {
name := args[0]
builder, err := openBuilder(store, name)
if err != nil {
return errors.Wrapf(err, "error reading build container %q", name)
}
mountPoint, err := builder.Mount(builder.MountLabel)
if err != nil {
return errors.Wrapf(err, "error mounting %q container %q", name, builder.Container)
}
fmt.Printf("%s\n", mountPoint)
} else {
builders, err := openBuilders(store)
if err != nil {
return errors.Wrapf(err, "error reading build containers")
}
for _, builder := range builders {
if builder.MountPoint == "" {
continue
}
if truncate {
fmt.Printf("%-12.12s %s\n", builder.ContainerID, builder.MountPoint)
} else {
fmt.Printf("%-64s %s\n", builder.ContainerID, builder.MountPoint)
}
}
}
return nil
}