| package docker |
| |
| import ( |
| "fmt" |
| "github.com/dotcloud/docker/utils" |
| "os" |
| "path/filepath" |
| "regexp" |
| "strings" |
| ) |
| |
| // ListOpts type |
| type ListOpts struct { |
| values []string |
| validator ValidatorFctType |
| } |
| |
| func NewListOpts(validator ValidatorFctType) ListOpts { |
| return ListOpts{ |
| validator: validator, |
| } |
| } |
| |
| func (opts *ListOpts) String() string { |
| return fmt.Sprintf("%v", []string(opts.values)) |
| } |
| |
| // Set validates if needed the input value and add it to the |
| // internal slice. |
| func (opts *ListOpts) Set(value string) error { |
| if opts.validator != nil { |
| v, err := opts.validator(value) |
| if err != nil { |
| return err |
| } |
| value = v |
| } |
| opts.values = append(opts.values, value) |
| return nil |
| } |
| |
| // Delete remove the given element from the slice. |
| func (opts *ListOpts) Delete(key string) { |
| for i, k := range opts.values { |
| if k == key { |
| opts.values = append(opts.values[:i], opts.values[i+1:]...) |
| return |
| } |
| } |
| } |
| |
| // GetMap returns the content of values in a map in order to avoid |
| // duplicates. |
| // FIXME: can we remove this? |
| func (opts *ListOpts) GetMap() map[string]struct{} { |
| ret := make(map[string]struct{}) |
| for _, k := range opts.values { |
| ret[k] = struct{}{} |
| } |
| return ret |
| } |
| |
| // GetAll returns the values' slice. |
| // FIXME: Can we remove this? |
| func (opts *ListOpts) GetAll() []string { |
| return opts.values |
| } |
| |
| // Get checks the existence of the given key. |
| func (opts *ListOpts) Get(key string) bool { |
| for _, k := range opts.values { |
| if k == key { |
| return true |
| } |
| } |
| return false |
| } |
| |
| // Len returns the amount of element in the slice. |
| func (opts *ListOpts) Len() int { |
| return len(opts.values) |
| } |
| |
| // Validators |
| type ValidatorFctType func(val string) (string, error) |
| |
| func ValidateAttach(val string) (string, error) { |
| if val != "stdin" && val != "stdout" && val != "stderr" { |
| return val, fmt.Errorf("Unsupported stream name: %s", val) |
| } |
| return val, nil |
| } |
| |
| func ValidateLink(val string) (string, error) { |
| if _, err := parseLink(val); err != nil { |
| return val, err |
| } |
| return val, nil |
| } |
| |
| func ValidatePath(val string) (string, error) { |
| var containerPath string |
| |
| if strings.Count(val, ":") > 2 { |
| return val, fmt.Errorf("bad format for volumes: %s", val) |
| } |
| |
| splited := strings.SplitN(val, ":", 2) |
| if len(splited) == 1 { |
| containerPath = splited[0] |
| val = filepath.Clean(splited[0]) |
| } else { |
| containerPath = splited[1] |
| val = fmt.Sprintf("%s:%s", splited[0], filepath.Clean(splited[1])) |
| } |
| |
| if !filepath.IsAbs(containerPath) { |
| return val, fmt.Errorf("%s is not an absolute path", containerPath) |
| } |
| return val, nil |
| } |
| |
| func ValidateEnv(val string) (string, error) { |
| arr := strings.Split(val, "=") |
| if len(arr) > 1 { |
| return val, nil |
| } |
| return fmt.Sprintf("%s=%s", val, os.Getenv(val)), nil |
| } |
| |
| func ValidateHost(val string) (string, error) { |
| host, err := utils.ParseHost(DEFAULTHTTPHOST, DEFAULTHTTPPORT, DEFAULTUNIXSOCKET, val) |
| if err != nil { |
| return val, err |
| } |
| return host, nil |
| } |
| |
| func ValidateIp4Address(val string) (string, error) { |
| re := regexp.MustCompile(`^(([0-9]+\.){3}([0-9]+))\s*$`) |
| var ns = re.FindSubmatch([]byte(val)) |
| if len(ns) > 0 { |
| return string(ns[1]), nil |
| } |
| return "", fmt.Errorf("%s is not an ip4 address", val) |
| } |