package api import ( "fmt" "mime" "os" "path/filepath" "strings" log "github.com/Sirupsen/logrus" "github.com/docker/docker/engine" "github.com/docker/docker/pkg/parsers" "github.com/docker/docker/pkg/version" "github.com/docker/libtrust" ) const ( APIVERSION version.Version = "1.18" DEFAULTHTTPHOST = "127.0.0.1" DEFAULTUNIXSOCKET = "/var/run/docker.sock" DefaultDockerfileName string = "Dockerfile" ) func ValidateHost(val string) (string, error) { host, err := parsers.ParseHost(DEFAULTHTTPHOST, DEFAULTUNIXSOCKET, val) if err != nil { return val, err } return host, nil } // TODO remove, used on < 1.5 in getContainersJSON func DisplayablePorts(ports *engine.Table) string { var ( result = []string{} hostMappings = []string{} firstInGroupMap map[string]int lastInGroupMap map[string]int ) firstInGroupMap = make(map[string]int) lastInGroupMap = make(map[string]int) ports.SetKey("PrivatePort") ports.Sort() for _, port := range ports.Data { var ( current = port.GetInt("PrivatePort") portKey = port.Get("Type") firstInGroup int lastInGroup int ) if port.Get("IP") != "" { if port.GetInt("PublicPort") != current { hostMappings = append(hostMappings, fmt.Sprintf("%s:%d->%d/%s", port.Get("IP"), port.GetInt("PublicPort"), port.GetInt("PrivatePort"), port.Get("Type"))) continue } portKey = fmt.Sprintf("%s/%s", port.Get("IP"), port.Get("Type")) } firstInGroup = firstInGroupMap[portKey] lastInGroup = lastInGroupMap[portKey] if firstInGroup == 0 { firstInGroupMap[portKey] = current lastInGroupMap[portKey] = current continue } if current == (lastInGroup + 1) { lastInGroupMap[portKey] = current continue } result = append(result, FormGroup(portKey, firstInGroup, lastInGroup)) firstInGroupMap[portKey] = current lastInGroupMap[portKey] = current } for portKey, firstInGroup := range firstInGroupMap { result = append(result, FormGroup(portKey, firstInGroup, lastInGroupMap[portKey])) } result = append(result, hostMappings...) return strings.Join(result, ", ") } func FormGroup(key string, start, last int) string { var ( group string parts = strings.Split(key, "/") groupType = parts[0] ip = "" ) if len(parts) > 1 { ip = parts[0] groupType = parts[1] } if start == last { group = fmt.Sprintf("%d", start) } else { group = fmt.Sprintf("%d-%d", start, last) } if ip != "" { group = fmt.Sprintf("%s:%s->%s", ip, group, group) } return fmt.Sprintf("%s/%s", group, groupType) } func MatchesContentType(contentType, expectedType string) bool { mimetype, _, err := mime.ParseMediaType(contentType) if err != nil { log.Errorf("Error parsing media type: %s error: %s", contentType, err.Error()) } return err == nil && mimetype == expectedType } // LoadOrCreateTrustKey attempts to load the libtrust key at the given path, // otherwise generates a new one func LoadOrCreateTrustKey(trustKeyPath string) (libtrust.PrivateKey, error) { err := os.MkdirAll(filepath.Dir(trustKeyPath), 0700) if err != nil { return nil, err } trustKey, err := libtrust.LoadKeyFile(trustKeyPath) if err == libtrust.ErrKeyFileDoesNotExist { trustKey, err = libtrust.GenerateECP256PrivateKey() if err != nil { return nil, fmt.Errorf("Error generating key: %s", err) } if err := libtrust.SaveKey(trustKeyPath, trustKey); err != nil { return nil, fmt.Errorf("Error saving key file: %s", err) } } else if err != nil { return nil, fmt.Errorf("Error loading key file %s: %s", trustKeyPath, err) } return trustKey, nil }