diff options
Diffstat (limited to 'pkg/spec')
| -rw-r--r-- | pkg/spec/storage.go | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/pkg/spec/storage.go b/pkg/spec/storage.go index ac7a2c30f..e0bb48a9c 100644 --- a/pkg/spec/storage.go +++ b/pkg/spec/storage.go @@ -410,13 +410,42 @@ func getBindMount(args []string) (spec.Mount, error) { setSource := false setDest := false + setRORW := false for _, val := range args { kv := strings.Split(val, "=") switch kv[0] { case "bind-nonrecursive": newMount.Options = append(newMount.Options, "bind") - case "ro", "nosuid", "nodev", "noexec": + case "ro", "rw": + if setRORW { + return newMount, errors.Wrapf(optionArgError, "cannot pass 'ro' or 'rw' options more than once") + } + setRORW = true + // Can be formatted as one of: + // ro + // ro=[true|false] + // rw + // rw=[true|false] + if len(kv) == 1 { + newMount.Options = append(newMount.Options, kv[0]) + } else if len(kv) == 2 { + switch strings.ToLower(kv[1]) { + case "true": + newMount.Options = append(newMount.Options, kv[0]) + case "false": + // Set the opposite only for rw + // ro's opposite is the default + if kv[0] == "rw" { + newMount.Options = append(newMount.Options, "ro") + } + default: + return newMount, errors.Wrapf(optionArgError, "%s must be set to true or false, instead received %q", kv[0], kv[1]) + } + } else { + return newMount, errors.Wrapf(optionArgError, "badly formatted option %q", val) + } + case "nosuid", "nodev", "noexec": // TODO: detect duplication of these options. // (Is this necessary?) newMount.Options = append(newMount.Options, kv[0]) |