22aceec426
- remove docker/docker from Traefik vendor (unused) - use `ignore` for all Traefik vendor in integration glide. - defined only integration specific version of the dependencies.
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package nat
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// PartParser parses and validates the specified string (data) using the specified template
|
|
// e.g. ip:public:private -> 192.168.0.1:80:8000
|
|
// DEPRECATED: do not use, this function may be removed in a future version
|
|
func PartParser(template, data string) (map[string]string, error) {
|
|
// ip:public:private
|
|
var (
|
|
templateParts = strings.Split(template, ":")
|
|
parts = strings.Split(data, ":")
|
|
out = make(map[string]string, len(templateParts))
|
|
)
|
|
if len(parts) != len(templateParts) {
|
|
return nil, fmt.Errorf("Invalid format to parse. %s should match template %s", data, template)
|
|
}
|
|
|
|
for i, t := range templateParts {
|
|
value := ""
|
|
if len(parts) > i {
|
|
value = parts[i]
|
|
}
|
|
out[t] = value
|
|
}
|
|
return out, nil
|
|
}
|
|
|
|
// ParsePortRange parses and validates the specified string as a port-range (8000-9000)
|
|
func ParsePortRange(ports string) (uint64, uint64, error) {
|
|
if ports == "" {
|
|
return 0, 0, fmt.Errorf("Empty string specified for ports.")
|
|
}
|
|
if !strings.Contains(ports, "-") {
|
|
start, err := strconv.ParseUint(ports, 10, 16)
|
|
end := start
|
|
return start, end, err
|
|
}
|
|
|
|
parts := strings.Split(ports, "-")
|
|
start, err := strconv.ParseUint(parts[0], 10, 16)
|
|
if err != nil {
|
|
return 0, 0, err
|
|
}
|
|
end, err := strconv.ParseUint(parts[1], 10, 16)
|
|
if err != nil {
|
|
return 0, 0, err
|
|
}
|
|
if end < start {
|
|
return 0, 0, fmt.Errorf("Invalid range specified for the Port: %s", ports)
|
|
}
|
|
return start, end, nil
|
|
}
|