1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/pkg/parsers/parsers.go
Erik Hollensbe 4398108433 Move parsing functions to pkg/parsers and the specific kernel handling
functions to pkg/parsers/kernel, and parsing filters to
pkg/parsers/filter. Adjust imports and package references.

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
2014-07-29 13:09:10 -07:00

110 lines
2.8 KiB
Go

package parsers
import (
"fmt"
"strconv"
"strings"
)
// FIXME: Change this not to receive default value as parameter
func ParseHost(defaultHost string, defaultUnix, addr string) (string, error) {
var (
proto string
host string
port int
)
addr = strings.TrimSpace(addr)
switch {
case addr == "tcp://":
return "", fmt.Errorf("Invalid bind address format: %s", addr)
case strings.HasPrefix(addr, "unix://"):
proto = "unix"
addr = strings.TrimPrefix(addr, "unix://")
if addr == "" {
addr = defaultUnix
}
case strings.HasPrefix(addr, "tcp://"):
proto = "tcp"
addr = strings.TrimPrefix(addr, "tcp://")
case strings.HasPrefix(addr, "fd://"):
return addr, nil
case addr == "":
proto = "unix"
addr = defaultUnix
default:
if strings.Contains(addr, "://") {
return "", fmt.Errorf("Invalid bind address protocol: %s", addr)
}
proto = "tcp"
}
if proto != "unix" && strings.Contains(addr, ":") {
hostParts := strings.Split(addr, ":")
if len(hostParts) != 2 {
return "", fmt.Errorf("Invalid bind address format: %s", addr)
}
if hostParts[0] != "" {
host = hostParts[0]
} else {
host = defaultHost
}
if p, err := strconv.Atoi(hostParts[1]); err == nil && p != 0 {
port = p
} else {
return "", fmt.Errorf("Invalid bind address format: %s", addr)
}
} else if proto == "tcp" && !strings.Contains(addr, ":") {
return "", fmt.Errorf("Invalid bind address format: %s", addr)
} else {
host = addr
}
if proto == "unix" {
return fmt.Sprintf("%s://%s", proto, host), nil
}
return fmt.Sprintf("%s://%s:%d", proto, host, port), nil
}
// Get a repos name and returns the right reposName + tag
// The tag can be confusing because of a port in a repository name.
// Ex: localhost.localdomain:5000/samalba/hipache:latest
func ParseRepositoryTag(repos string) (string, string) {
n := strings.LastIndex(repos, ":")
if n < 0 {
return repos, ""
}
if tag := repos[n+1:]; !strings.Contains(tag, "/") {
return repos[:n], tag
}
return repos, ""
}
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
}
func ParseKeyValueOpt(opt string) (string, string, error) {
parts := strings.SplitN(opt, "=", 2)
if len(parts) != 2 {
return "", "", fmt.Errorf("Unable to parse key/value option: %s", opt)
}
return strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1]), nil
}