Пример #1
0
func startServer(name string, sockBase string, port int, routes []*Route) error {
	var (
		listener net.Listener
		err      error
	)
	router := mux.NewRouter()
	router.NotFoundHandler = http.HandlerFunc(notFound)

	for _, v := range routes {
		router.Methods(v.verb).Path(v.path).HandlerFunc(v.fn)
	}
	socket := path.Join(sockBase, name+".sock")
	os.Remove(socket)
	os.MkdirAll(path.Dir(socket), 0755)

	dlog.Printf("Starting REST service on %+v", socket)
	listener, err = net.Listen("unix", socket)
	if err != nil {
		dlog.Warnln("Cannot listen on UNIX socket: ", err)
		return err
	}
	go http.Serve(listener, router)
	if port != 0 {
		go http.ListenAndServe(fmt.Sprintf(":%v", port), router)
	}
	return nil
}
Пример #2
0
func (c *ClusterManager) initCluster(db *Database, self *api.Node, exist bool) error {
	err := error(nil)

	// Alert all listeners that we are initializing a new cluster.
	for e := c.listeners.Front(); e != nil; e = e.Next() {
		err = e.Value.(ClusterListener).ClusterInit(self, db)
		if err != nil {
			self.Status = api.Status_STATUS_ERROR
			dlog.Printf("Failed to initialize %s",
				e.Value.(ClusterListener).String())
			goto done
		}
	}

	err = c.joinCluster(db, self, exist)
	if err != nil {
		dlog.Printf("Failed to join new cluster")
		goto done
	}

done:
	return err
}
Пример #3
0
// Mount volume at specified path
// Errors ErrEnoEnt, ErrVolDetached may be returned.
func (d *driver) Mount(volumeID string, mountpath string) error {
	v, err := d.GetVol(volumeID)
	if err != nil {
		dlog.Println(err)
		return err
	}
	syscall.Unmount(mountpath, 0)
	if err := syscall.Mount(filepath.Join(config.VolumeBase, string(volumeID)), mountpath, string(v.Spec.Format), syscall.MS_BIND, ""); err != nil {
		dlog.Printf("Cannot mount %s at %s because %+v", filepath.Join(config.VolumeBase, string(volumeID)), mountpath, err)
		return err
	}
	v.AttachPath = mountpath
	// TODO(pedge): why ignoring error?
	err = d.UpdateVol(v)
	return nil
}
Пример #4
0
func (d *driver) Mount(volumeID string, mountpath string) error {
	v, err := d.GetVol(volumeID)
	if err != nil {
		dlog.Println(err)
		return err
	}

	srcPath := path.Join(":", d.nfsPath, volumeID)
	mountExists, err := d.mounter.Exists(srcPath, mountpath)
	if !mountExists {
		d.mounter.Unmount(path.Join(nfsMountPath, volumeID), mountpath)
		if err := d.mounter.Mount(0, path.Join(nfsMountPath, volumeID), mountpath, string(v.Spec.Format), syscall.MS_BIND, ""); err != nil {
			dlog.Printf("Cannot mount %s at %s because %+v", path.Join(nfsMountPath, volumeID), mountpath, err)
			return err
		}
	}
	v.AttachPath = mountpath
	return d.UpdateVol(v)
}
Пример #5
0
func (d *driver) Shutdown() {
	dlog.Printf("%s Shutting down", Name)
	syscall.Unmount(BuseMountPath, 0)
}
Пример #6
0
func Init(params volume.DriverParams) (volume.VolumeDriver, error) {
	path, ok := params["path"]
	if !ok {
		return nil, errors.New("No NFS path provided")
	}
	server, ok := params["server"]
	if !ok {
		dlog.Printf("No NFS server provided, will attempt to bind mount %s", path)
	} else {
		dlog.Printf("NFS driver initializing with %s:%s ", server, path)
	}
	// Create a mount manager for this NFS server. Blank sever is OK.
	mounter, err := mount.New(mount.NFSMount, server)
	if err != nil {
		dlog.Warnf("Failed to create mount manager for server: %v (%v)", server, err)
		return nil, err
	}
	inst := &driver{
		IoNotSupported:    &volume.IoNotSupported{},
		DefaultEnumerator: volume.NewDefaultEnumerator(Name, kvdb.Instance()),
		nfsServer:         server,
		nfsPath:           path,
		mounter:           mounter,
	}
	if err := os.MkdirAll(nfsMountPath, 0744); err != nil {
		return nil, err
	}
	src := inst.nfsPath
	if server != "" {
		src = ":" + inst.nfsPath
	}
	// If src is already mounted at dest, leave it be.
	mountExists, err := mounter.Exists(src, nfsMountPath)
	if !mountExists {
		// Mount the nfs server locally on a unique path.
		syscall.Unmount(nfsMountPath, 0)
		if server != "" {
			err = syscall.Mount(src, nfsMountPath, "nfs", 0, "nolock,addr="+inst.nfsServer)
		} else {
			err = syscall.Mount(src, nfsMountPath, "", syscall.MS_BIND, "")
		}
		if err != nil {
			dlog.Printf("Unable to mount %s:%s at %s (%+v)", inst.nfsServer, inst.nfsPath, nfsMountPath, err)
			return nil, err
		}
	}
	volumeInfo, err := inst.DefaultEnumerator.Enumerate(&api.VolumeLocator{}, nil)
	if err == nil {
		for _, info := range volumeInfo {
			if info.Status == api.VolumeStatus_VOLUME_STATUS_NONE {
				info.Status = api.VolumeStatus_VOLUME_STATUS_UP
				inst.UpdateVol(info)
			}
		}
	} else {
		dlog.Println("Could not enumerate Volumes, ", err)
	}

	dlog.Println("NFS initialized and driver mounted at: ", nfsMountPath)
	return inst, nil
}
Пример #7
0
func (c *ClusterManager) AddEventListener(listener ClusterListener) error {
	dlog.Printf("Adding cluster event listener: %s", listener.String())
	c.listeners.PushBack(listener)
	return nil
}
Пример #8
0
func (d *Driver) Shutdown() {
	dlog.Printf("%s Shutting down", Name)
}