func (d *driver) createGetSnapshot(
volumeOpts core.VolumeOpts) (*core.Snapshot, error) {
var optSnapshotName string
var optSnapshotID string
optSnapshotName, _ = volumeOpts["snapshotname"]
optSnapshotID, _ = volumeOpts["snapshotid"]
if optSnapshotName == "" && optSnapshotID == "" {
return nil, nil
}
var err error
var snapshots []*core.Snapshot
if snapshots, err = d.r.Storage.GetSnapshot(
"", optSnapshotID, optSnapshotName); err != nil {
return nil, err
}
switch {
case len(snapshots) == 0:
return nil, goof.WithField(
"optSnapshotName", optSnapshotName, "No snapshots returned")
case len(snapshots) > 1:
return nil, goof.WithField(
"optSnapshotName", optSnapshotName, "Too many snapshots returned")
}
return snapshots[0], nil
}
func (d *driver) createInitVolume(
volumeName string,
volumeOpts core.VolumeOpts) (*core.Volume, error) {
var optVolumeName string
var optVolumeID string
optVolumeName, _ = volumeOpts["volumename"]
optVolumeID, _ = volumeOpts["volumeid"]
if optVolumeName == "" && optVolumeID == "" {
return nil, nil
}
var err error
var volumes []*core.Volume
if volumes, err = d.r.Storage.GetVolume(optVolumeID, optVolumeName); err != nil {
return nil, err
}
switch {
case len(volumes) == 0:
return nil, goof.WithField(
"optVolumeName", optVolumeName, "No volumes returned")
case len(volumes) > 1:
return nil, goof.WithField(
"optVolumeName", optVolumeName, "Too many volumes returned")
}
return volumes[0], nil
}
// RegisterCustomKey registers a custom key with the context package.
func RegisterCustomKey(key interface{}, mask CustomKeyTypes) error {
customKeysRWL.Lock()
defer customKeysRWL.Unlock()
if _, ok := customKeys[key]; ok {
return goof.WithField("key", key, "key already registered")
}
newCustomKey := &customKey{
internalID: len(customKeys) + 1,
externalID: key,
keyBitmask: mask,
}
customKeys[newCustomKey.externalID] = newCustomKey
log.WithFields(log.Fields{
"internalID": newCustomKey.internalID,
"externalID": newCustomKey.externalID,
"keyBitmask": newCustomKey.keyBitmask,
}).Info("registered custom context key")
return nil
}
// CompileFilter compiles a filter string.
func CompileFilter(s string) (*types.Filter, error) {
es, err := url.QueryUnescape(s)
if err != nil {
return nil, err
}
s = es
if len(s) == 0 || s[0] != '(' {
return nil, errCharZeroNotLParen
}
f, pos, err := compileFilter(s, 1)
if err != nil {
return nil, err
}
if pos != len(s) {
return nil, goof.WithField(
"extra", s[pos:],
"finished compiling filter with extra at end")
}
return f, nil
}
func (d *driver) CreateVolume(
runAsync bool, volumeName, volumeID, snapshotID, volumeType string,
IOPS, size int64, availabilityZone string) (*core.Volume, error) {
volumes, err := d.GetVolume("", volumeName)
if err != nil {
return nil, err
}
if len(volumes) > 0 {
return nil, goof.WithField("volumeName", volumeName, "volume name already exists")
}
resp, err := d.createVolume(
runAsync, volumeName, volumeID, snapshotID, volumeType,
IOPS, size, availabilityZone)
if err != nil {
return nil, err
}
volumes, err = d.GetVolume(resp.VolumeId, "")
if err != nil {
return nil, err
}
// log.Println(fmt.Sprintf("Created volume: %+v", volumes[0]))
return volumes[0], nil
}
func (c *client) getServiceInfo(service string) (*types.ServiceInfo, error) {
if si := c.serviceCache.GetServiceInfo(service); si != nil {
return si, nil
}
return nil, goof.WithField("name", service, "unknown service")
}
func (s *storageService) initStorageDriver(ctx types.Context) error {
driverName := s.config.GetString("driver")
if driverName == "" {
driverName = s.config.GetString("libstorage.driver")
if driverName == "" {
driverName = s.config.GetString("libstorage.storage.driver")
if driverName == "" {
return goof.WithField(
"service", s.name, "error getting driver name")
}
}
}
ctx.WithField("driverName", driverName).Debug("got driver name")
driver, err := registry.NewStorageDriver(driverName)
if err != nil {
return err
}
ctx = ctx.WithValue(context.DriverKey, driver)
if err := driver.Init(ctx, s.config); err != nil {
return err
}
s.driver = driver
return nil
}
// GetModuleInstance gets the module instance with the provided instance ID.
func GetModuleInstance(modInstID int32) (*Instance, error) {
modInstancesRwl.RLock()
defer modInstancesRwl.RUnlock()
mod, modExists := modInstances[modInstID]
if !modExists {
return nil,
goof.WithField("id", modInstID, "unknown module instance")
}
return mod, nil
}
// GetModuleInstance gets the module instance with the provided name.
func GetModuleInstance(name string) (*Instance, error) {
modInstancesRwl.RLock()
defer modInstancesRwl.RUnlock()
name = strings.ToLower(name)
mod, modExists := modInstances[name]
if !modExists {
return nil,
goof.WithField("name", name, "unknown module instance")
}
return mod, nil
}
func (c *client) updateExecutor(ctx types.Context) error {
if c.isController() {
return utils.NewUnsupportedForClientTypeError(
c.clientType, "updateExecutor")
}
ctx.Debug("updating executor")
lsxi := c.lsxCache.GetExecutorInfo(types.LSX.Name())
if lsxi == nil {
return goof.WithField("lsx", types.LSX, "unknown executor")
}
ctx.Debug("waiting on executor lock")
if err := c.lsxMutexWait(); err != nil {
return err
}
defer func() {
ctx.Debug("signalling executor lock")
if err := c.lsxMutexSignal(); err != nil {
panic(err)
}
}()
if !types.LSX.Exists() {
ctx.Debug("executor does not exist, download executor")
return c.downloadExecutor(ctx)
}
ctx.Debug("executor exists, getting local checksum")
checksum, err := c.getExecutorChecksum(ctx)
if err != nil {
return err
}
if lsxi.MD5Checksum != checksum {
ctx.WithFields(log.Fields{
"remoteChecksum": lsxi.MD5Checksum,
"localChecksum": checksum,
}).Debug("executor checksums do not match, download executor")
return c.downloadExecutor(ctx)
}
return nil
}
// UnmarshalText unmarshals the Transaction from a string.
func (t *Transaction) UnmarshalText(text []byte) error {
m := txRX.FindSubmatch(text)
if len(m) == 0 {
return goof.WithField("value", string(text), "invalid transaction")
}
t.ID = &UUID{}
if err := t.ID.UnmarshalText(m[1]); err != nil {
return err
}
if err := (&t.Created).UnmarshalText(m[2]); err != nil {
return err
}
return nil
}
func probeFsType(device string) (string, error) {
probes := []probeData{
{"btrfs", "_BHRfS_M", 0x10040},
{"ext4", "\123\357", 0x438},
{"xfs", "XFSB", 0},
}
maxLen := uint64(0)
for _, p := range probes {
l := p.offset + uint64(len(p.magic))
if l > maxLen {
maxLen = l
}
}
file, err := os.Open(device)
if err != nil {
return "", err
}
defer file.Close()
buffer := make([]byte, maxLen)
l, err := file.Read(buffer)
if err != nil {
return "", err
}
if uint64(l) != maxLen {
return "", goof.WithField(
"device", device, "error detecting filesystem")
}
for _, p := range probes {
if bytes.Equal(
[]byte(p.magic), buffer[p.offset:p.offset+uint64(len(p.magic))]) {
return p.fsName, nil
}
}
return "", errUnknownFileSystem
}
func (d *driver) createGetVolumes(
volumeName string,
volumeOpts core.VolumeOpts) ([]*core.Volume, bool, error) {
var err error
var volumes []*core.Volume
if volumes, err = d.r.Storage.GetVolume("", volumeName); err != nil {
return nil, false, err
}
overwriteFs, _ := strconv.ParseBool(volumeOpts["overwritefs"])
switch {
case len(volumes) == 1 && !overwriteFs:
return volumes, overwriteFs, nil
case len(volumes) > 1:
return nil, overwriteFs, goof.WithField(
"volumeName", volumeName, "Too many volumes returned")
}
return volumes, overwriteFs, nil
}
func (d *driver) CreateVolume(
notUsed bool,
volumeName, volumeID, snapshotID, NUvolumeType string,
NUIOPS, size int64, NUavailabilityZone string) (*core.Volume, error) {
fields := eff(map[string]interface{}{
"volumeID": volumeID,
"volumeName": volumeName,
"snapshotID": snapshotID,
"size": size,
})
size = size * 1024 * 1024 * 1024
volumes, err := d.GetVolume("", volumeName)
if err != nil {
return nil, err
}
if len(volumes) > 0 {
return nil, goof.WithField(volumeName, "volumeName", "volume exists already")
}
volume, err := d.createVolume(volumeName, size)
if err != nil {
return nil, goof.WithFieldsE(fields, "error creating new volume", err)
}
volumes, err = d.GetVolume(volume.ID, "")
if err != nil {
return nil, err
}
if len(volumes) == 0 {
return nil, goof.New("failed to get new volume")
}
return volumes[0], nil
}
// UnmarshalText unmarshals the data into a an InstanceID provided the data
// adheres to the format described in the MarshalText function.
func (l *LocalDevices) UnmarshalText(value []byte) error {
m := ldRX.FindSubmatch(value)
lm := len(m)
if lm < 3 {
return goof.WithField("value", string(value), "invalid LocalDevices")
}
l.Driver = string(m[1])
l.DeviceMap = map[string]string{}
for _, p := range bytes.Split(m[2], commaByteSep) {
pp := bytes.Split(p, colonByteSep)
if len(pp) < 2 {
continue
}
l.DeviceMap[string(pp[0])] = string(pp[1])
}
return nil
}
func (d *driver) CreateVolume(
notUsed bool,
volumeName, volumeID, snapshotID, volumeType string,
IOPS, size int64, availabilityZone string) (*core.Volume, error) {
if volumeName == "" {
return nil, goof.New("no volume name specified")
}
volumes, err := d.GetVolume("", volumeName)
if err != nil {
return nil, err
}
if len(volumes) > 0 {
return nil, goof.WithField("volumeName", volumeName, "volume name already exists")
}
resp, err := d.createVolume(
notUsed, volumeName, volumeID, snapshotID,
volumeType, IOPS, size, availabilityZone)
if err != nil {
return nil, err
}
volumes, err = d.GetVolume(resp.ID, "")
if err != nil {
return nil, err
}
log.WithFields(log.Fields{
"provider": providerName,
"volume": volumes[0],
}).Debug("created volume")
return volumes[0], nil
}
// UnmarshalText unmarshals the data into a an InstanceID provided the data
// adheres to the format described in the MarshalText function.
func (i *InstanceID) UnmarshalText(value []byte) error {
m := iidRX.FindSubmatch(value)
lm := len(m)
if lm < 3 {
return goof.WithField("value", string(value), "invalid InstanceID")
}
i.Driver = string(m[1])
i.ID = string(m[2])
if lm > 3 && len(m[3]) > 0 {
qs, err := url.ParseQuery(string(m[3]))
if err != nil {
return err
}
i.Fields = map[string]string{}
for k := range qs {
i.Fields[k] = qs.Get(k)
}
}
if lm > 4 && len(m[4]) > 0 {
enc := m[4]
dec := b64.NewDecoder(b64.StdEncoding, bytes.NewReader(enc))
i.metadata = make([]byte, b64.StdEncoding.DecodedLen(len(enc)))
n, err := dec.Read(i.metadata)
if err != nil {
return err
}
i.metadata = i.metadata[:n]
}
return nil
}
func (m *mod) Start() error {
proto, addr, parseAddrErr := gotil.ParseAddress(m.Address())
if parseAddrErr != nil {
return parseAddrErr
}
const validProtoPatt = "(?i)^unix|tcp$"
isProtoValid, matchProtoErr := regexp.MatchString(validProtoPatt, proto)
if matchProtoErr != nil {
return goof.WithFieldsE(goof.Fields{
"protocol": proto,
"validProtoPatt": validProtoPatt,
}, "error matching protocol", matchProtoErr)
}
if !isProtoValid {
return goof.WithField("protocol", proto, "invalid protocol")
}
if err := m.r.InitDrivers(); err != nil {
return goof.WithFieldsE(goof.Fields{
"m": m,
"m.r": m.r,
}, "error initializing drivers", err)
}
if err := os.MkdirAll("/etc/docker/plugins", 0755); err != nil {
return err
}
var specPath string
var startFunc func() error
mux := m.buildMux()
if proto == "unix" {
sockFile := addr
sockFileDir := filepath.Dir(sockFile)
mkSockFileDirErr := os.MkdirAll(sockFileDir, 0755)
if mkSockFileDirErr != nil {
return mkSockFileDirErr
}
_ = os.RemoveAll(sockFile)
specPath = m.Address()
startFunc = func() error {
l, lErr := net.Listen("unix", sockFile)
if lErr != nil {
return lErr
}
defer l.Close()
defer os.Remove(sockFile)
return http.Serve(l, mux)
}
} else {
specPath = addr
startFunc = func() error {
s := &http.Server{
Addr: addr,
Handler: mux,
ReadTimeout: 10 * time.Second,
WriteTimeout: 10 * time.Second,
MaxHeaderBytes: 1 << 20,
}
return s.ListenAndServe()
}
}
go func() {
sErr := startFunc()
if sErr != nil {
panic(sErr)
}
}()
writeSpecErr := ioutil.WriteFile(
"/etc/docker/plugins/rexray.spec", []byte(specPath), 0644)
if writeSpecErr != nil {
return writeSpecErr
}
return nil
}
// ParseTLSConfig returns a new TLS configuration.
func ParseTLSConfig(
config gofig.Config,
fields log.Fields,
roots ...string) (*tls.Config, error) {
f := func(k string, v interface{}) {
if fields == nil {
return
}
fields[k] = v
}
if !isSet(config, types.ConfigTLS, roots...) {
return nil, nil
}
if isSet(config, types.ConfigTLSDisabled, roots...) {
tlsDisabled := getBool(config, types.ConfigTLSDisabled, roots...)
if tlsDisabled {
f(types.ConfigTLSDisabled, true)
return nil, nil
}
}
if !isSet(config, types.ConfigTLSKeyFile, roots...) {
return nil, goof.New("keyFile required")
}
keyFile := getString(config, types.ConfigTLSKeyFile, roots...)
if !gotil.FileExists(keyFile) {
return nil, goof.WithField("path", keyFile, "invalid key file")
}
f(types.ConfigTLSKeyFile, keyFile)
if !isSet(config, types.ConfigTLSCertFile, roots...) {
return nil, goof.New("certFile required")
}
certFile := getString(config, types.ConfigTLSCertFile, roots...)
if !gotil.FileExists(certFile) {
return nil, goof.WithField("path", certFile, "invalid cert file")
}
f(types.ConfigTLSCertFile, certFile)
cer, err := tls.LoadX509KeyPair(certFile, keyFile)
if err != nil {
return nil, err
}
tlsConfig := &tls.Config{Certificates: []tls.Certificate{cer}}
if isSet(config, types.ConfigTLSServerName, roots...) {
serverName := getString(config, types.ConfigTLSServerName, roots...)
tlsConfig.ServerName = serverName
f(types.ConfigTLSServerName, serverName)
}
if isSet(config, types.ConfigTLSClientCertRequired, roots...) {
clientCertRequired := getBool(
config, types.ConfigTLSClientCertRequired, roots...)
if clientCertRequired {
tlsConfig.ClientAuth = tls.RequireAndVerifyClientCert
}
f(types.ConfigTLSClientCertRequired, clientCertRequired)
}
if isSet(config, types.ConfigTLSTrustedCertsFile, roots...) {
trustedCertsFile := getString(
config, types.ConfigTLSTrustedCertsFile, roots...)
if !gotil.FileExists(trustedCertsFile) {
return nil, goof.WithField(
"path", trustedCertsFile, "invalid trust file")
}
f(types.ConfigTLSTrustedCertsFile, trustedCertsFile)
buf, err := func() ([]byte, error) {
f, err := os.Open(trustedCertsFile)
if err != nil {
return nil, err
}
defer f.Close()
buf, err := ioutil.ReadAll(f)
if err != nil {
return nil, err
}
return buf, nil
}()
if err != nil {
return nil, err
}
certPool := x509.NewCertPool()
certPool.AppendCertsFromPEM(buf)
tlsConfig.RootCAs = certPool
tlsConfig.ClientCAs = certPool
}
return tlsConfig, nil
}
func (s *server) initEndpoints(ctx types.Context) error {
endpointsObj := s.config.Get(types.ConfigEndpoints)
if endpointsObj == nil {
if err := s.initDefaultEndpoint(); err != nil {
return goof.WithError("no endpoints defined", err)
}
endpointsObj = s.config.Get(types.ConfigEndpoints)
}
endpoints, ok := endpointsObj.(map[string]interface{})
if !ok {
return goof.New("endpoints invalid type")
}
if len(endpoints) == 0 {
if err := s.initDefaultEndpoint(); err != nil {
return err
}
}
for endpointName := range endpoints {
endpoint := fmt.Sprintf("%s.%s", types.ConfigEndpoints, endpointName)
address := fmt.Sprintf("%s.address", endpoint)
laddr := s.config.GetString(address)
if laddr == "" {
return goof.WithField("endpoint", endpoint, "missing address")
}
laddrET := types.ParseEndpointType(laddr)
switch laddrET {
case types.TCPEndpoint:
var tcpPort int
func() {
tcpPortLock.Lock()
defer tcpPortLock.Unlock()
tcpPort = gotil.RandomTCPPort()
}()
laddr = fmt.Sprintf("tcp://127.0.0.1:%d", tcpPort)
s.ctx.WithField("endpoint", endpoint).Info(
"initializing auto tcp endpoint")
case types.UnixEndpoint:
laddr = fmt.Sprintf("unix://%s", utils.GetTempSockFile())
s.ctx.WithField("endpoint", endpoint).Info(
"initializing auto unix endpoint")
}
s.ctx.WithFields(log.Fields{
"endpoint": endpoint, "address": laddr}).Debug("endpoint info")
s.addrs = append(s.addrs, laddr)
proto, addr, err := gotil.ParseAddress(laddr)
if err != nil {
return err
}
logFields := map[string]interface{}{
"endpoint": endpointName,
"address": laddr,
}
tlsConfig, err :=
utils.ParseTLSConfig(s.config.Scope(endpoint), logFields, endpoint)
if err != nil {
return err
}
ctx.WithFields(logFields).Info("configured endpoint")
srv, err := s.newHTTPServer(proto, addr, tlsConfig)
if err != nil {
return err
}
ctx.Info("server created")
s.servers = append(s.servers, srv)
}
return nil
}
func (c *client) httpDo(
ctx types.Context,
method, path string,
payload, reply interface{}) (*http.Response, error) {
reqBody, err := encPayload(payload)
if err != nil {
return nil, err
}
url := fmt.Sprintf("http://%s%s", c.host, path)
req, err := http.NewRequest(method, url, reqBody)
if err != nil {
return nil, err
}
ctx = context.RequireTX(ctx)
tx := context.MustTransaction(ctx)
ctx = ctx.WithValue(transactionHeaderKey, tx)
if iid, ok := context.InstanceID(ctx); ok {
ctx = ctx.WithValue(instanceIDHeaderKey, iid)
} else if iidMap, ok := ctx.Value(
context.AllInstanceIDsKey).(types.InstanceIDMap); ok {
if len(iidMap) > 0 {
var iids []fmt.Stringer
for _, iid := range iidMap {
iids = append(iids, iid)
}
ctx = ctx.WithValue(instanceIDHeaderKey, iids)
}
}
if lds, ok := context.LocalDevices(ctx); ok {
ctx = ctx.WithValue(localDevicesHeaderKey, lds)
} else if ldsMap, ok := ctx.Value(
context.AllLocalDevicesKey).(types.LocalDevicesMap); ok {
if len(ldsMap) > 0 {
var ldsess []fmt.Stringer
for _, lds := range ldsMap {
ldsess = append(ldsess, lds)
}
ctx = ctx.WithValue(localDevicesHeaderKey, ldsess)
}
}
for key := range context.CustomHeaderKeys() {
var headerName string
switch tk := key.(type) {
case string:
headerName = tk
case fmt.Stringer:
headerName = tk.String()
default:
headerName = fmt.Sprintf("%v", key)
}
if headerName == "" {
continue
}
val := ctx.Value(key)
switch tv := val.(type) {
case string:
req.Header.Add(headerName, tv)
case fmt.Stringer:
req.Header.Add(headerName, tv.String())
case []string:
for _, sv := range tv {
req.Header.Add(headerName, sv)
}
case []fmt.Stringer:
for _, sv := range tv {
req.Header.Add(headerName, sv.String())
}
default:
if val != nil {
req.Header.Add(headerName, fmt.Sprintf("%v", val))
}
}
}
c.logRequest(req)
res, err := ctxhttp.Do(ctx, &c.Client, req)
if err != nil {
return nil, err
}
defer c.setServerName(res)
c.logResponse(res)
if res.StatusCode > 299 {
httpErr, err := goof.DecodeHTTPError(res.Body)
if err != nil {
return res, goof.WithField("status", res.StatusCode, "http error")
}
return res, httpErr
}
if req.Method != http.MethodHead && reply != nil {
if err := decRes(res.Body, reply); err != nil {
return nil, err
}
}
return res, nil
}