示例#1
0
func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, localRoute string, handlerFunc HttpApiFunc, corsHeaders string, dockerVersion version.Version) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		// log the request
		log.Debugf("Calling %s %s", localMethod, localRoute)

		if logging {
			log.Infof("%s %s", r.Method, r.RequestURI)
		}

		if strings.Contains(r.Header.Get("User-Agent"), "Docker-Client/") {
			userAgent := strings.Split(r.Header.Get("User-Agent"), "/")
			if len(userAgent) == 2 && !dockerVersion.Equal(version.Version(userAgent[1])) {
				log.Debugf("Warning: client and server don't have the same version (client: %s, server: %s)", userAgent[1], dockerVersion)
			}
		}
		version := version.Version(mux.Vars(r)["version"])
		if version == "" {
			version = api.APIVERSION
		}
		if corsHeaders != "" {
			writeCorsHeaders(w, r, corsHeaders)
		}

		if version.GreaterThan(api.APIVERSION) {
			http.Error(w, fmt.Errorf("client and server don't have same version (client : %s, server: %s)", version, api.APIVERSION).Error(), http.StatusNotFound)
			return
		}

		if err := handlerFunc(eng, version, w, r, mux.Vars(r)); err != nil {
			log.Errorf("Handler for %s %s returned error: %s", localMethod, localRoute, err)
			httpError(w, err)
		}
	}
}
示例#2
0
// MakeImageConfig returns immutable configuration JSON for image based on the
// v1Compatibility object, layer digest and parent StrongID. SHA256() of this
// config is the new image ID (strongID).
func MakeImageConfig(v1Compatibility []byte, layerID, parentID digest.Digest) ([]byte, error) {

	// Detect images created after 1.8.3
	img, err := NewImgJSON(v1Compatibility)
	if err != nil {
		return nil, err
	}
	useFallback := version.Version(img.DockerVersion).LessThan(noFallbackMinVersion)

	if useFallback {
		// Fallback for pre-1.8.3. Calculate base config based on Image struct
		// so that fields with default values added by Docker will use same ID
		logrus.Debugf("Using fallback hash for %v", layerID)

		v1Compatibility, err = json.Marshal(img)
		if err != nil {
			return nil, err
		}
	}

	var c map[string]*json.RawMessage
	if err := json.Unmarshal(v1Compatibility, &c); err != nil {
		return nil, err
	}

	if err := layerID.Validate(); err != nil {
		return nil, fmt.Errorf("invalid layerID: %v", err)
	}

	c["layer_id"] = rawJSON(layerID)

	if parentID != "" {
		if err := parentID.Validate(); err != nil {
			return nil, fmt.Errorf("invalid parentID %v", err)
		}
		c["parent_id"] = rawJSON(parentID)
	}

	delete(c, "id")
	delete(c, "parent")
	delete(c, "Size") // Size is calculated from data on disk and is inconsitent

	return json.Marshal(c)
}
示例#3
0
// we keep enableCors just for legacy usage, need to be removed in the future
func createRouter(eng *engine.Engine, logging, enableCors bool, corsHeaders string, dockerVersion string) *mux.Router {
	r := mux.NewRouter()
	if os.Getenv("DEBUG") != "" {
		AttachProfiler(r)
	}
	m := map[string]map[string]HttpApiFunc{
		"GET": {
			"/_ping":                          ping,
			"/events":                         getEvents,
			"/info":                           getInfo,
			"/version":                        getVersion,
			"/images/json":                    getImagesJSON,
			"/images/viz":                     getImagesViz,
			"/images/search":                  getImagesSearch,
			"/images/get":                     getImagesGet,
			"/images/{name:.*}/get":           getImagesGet,
			"/images/{name:.*}/history":       getImagesHistory,
			"/images/{name:.*}/json":          getImagesByName,
			"/containers/ps":                  getContainersJSON,
			"/containers/json":                getContainersJSON,
			"/containers/{name:.*}/export":    getContainersExport,
			"/containers/{name:.*}/changes":   getContainersChanges,
			"/containers/{name:.*}/json":      getContainersByName,
			"/containers/{name:.*}/top":       getContainersTop,
			"/containers/{name:.*}/logs":      getContainersLogs,
			"/containers/{name:.*}/stats":     getContainersStats,
			"/containers/{name:.*}/attach/ws": wsContainersAttach,
			"/exec/{id:.*}/json":              getExecByID,
		},
		"POST": {
			"/auth":                         postAuth,
			"/commit":                       postCommit,
			"/build":                        postBuild,
			"/images/create":                postImagesCreate,
			"/images/load":                  postImagesLoad,
			"/images/{name:.*}/push":        postImagesPush,
			"/images/{name:.*}/tag":         postImagesTag,
			"/containers/create":            postContainersCreate,
			"/containers/{name:.*}/kill":    postContainersKill,
			"/containers/{name:.*}/pause":   postContainersPause,
			"/containers/{name:.*}/unpause": postContainersUnpause,
			"/containers/{name:.*}/restart": postContainersRestart,
			"/containers/{name:.*}/start":   postContainersStart,
			"/containers/{name:.*}/stop":    postContainersStop,
			"/containers/{name:.*}/wait":    postContainersWait,
			"/containers/{name:.*}/resize":  postContainersResize,
			"/containers/{name:.*}/attach":  postContainersAttach,
			"/containers/{name:.*}/copy":    postContainersCopy,
			"/containers/{name:.*}/exec":    postContainerExecCreate,
			"/exec/{name:.*}/start":         postContainerExecStart,
			"/exec/{name:.*}/resize":        postContainerExecResize,
			"/containers/{name:.*}/rename":  postContainerRename,
		},
		"DELETE": {
			"/containers/{name:.*}": deleteContainers,
			"/images/{name:.*}":     deleteImages,
		},
		"OPTIONS": {
			"": optionsHandler,
		},
	}

	// If "api-cors-header" is not given, but "api-enable-cors" is true, we set cors to "*"
	// otherwise, all head values will be passed to HTTP handler
	if corsHeaders == "" && enableCors {
		corsHeaders = "*"
	}

	for method, routes := range m {
		for route, fct := range routes {
			log.Debugf("Registering %s, %s", method, route)
			// NOTE: scope issue, make sure the variables are local and won't be changed
			localRoute := route
			localFct := fct
			localMethod := method

			// build the handler function
			f := makeHttpHandler(eng, logging, localMethod, localRoute, localFct, corsHeaders, version.Version(dockerVersion))

			// add the new route
			if localRoute == "" {
				r.Methods(localMethod).HandlerFunc(f)
			} else {
				r.Path("/v{version:[0-9.]+}" + localRoute).Methods(localMethod).HandlerFunc(f)
				r.Path(localRoute).Methods(localMethod).HandlerFunc(f)
			}
		}
	}

	return r
}
示例#4
0
	"regexp"
	"time"

	"github.com/flynn/flynn/Godeps/_workspace/src/github.com/Sirupsen/logrus"
	"github.com/flynn/flynn/Godeps/_workspace/src/github.com/docker/distribution/digest"
	derr "github.com/flynn/flynn/Godeps/_workspace/src/github.com/docker/docker/errors"
	"github.com/flynn/flynn/Godeps/_workspace/src/github.com/docker/docker/pkg/version"
	"github.com/flynn/flynn/Godeps/_workspace/src/github.com/docker/docker/runconfig"
)

var validHex = regexp.MustCompile(`^([a-f0-9]{64})$`)

// noFallbackMinVersion is the minimum version for which v1compatibility
// information will not be marshaled through the Image struct to remove
// blank fields.
var noFallbackMinVersion = version.Version("1.8.3")

// Descriptor provides the information necessary to register an image in
// the graph.
type Descriptor interface {
	ID() string
	Parent() string
	MarshalConfig() ([]byte, error)
}

// Image stores the image configuration.
// All fields in this struct must be marked `omitempty` to keep getting
// predictable hashes from the old `v1Compatibility` configuration.
type Image struct {
	// ID a unique 64 character identifier of the image
	ID string `json:"id,omitempty"`