func (driver *Driver) RemoveVolume(volumeID string) error { fields := eff(map[string]interface{}{ "volumeId": volumeID, }) if volumeID == "" { return errors.WithFields(fields, "volumeId is required") } volumes, err := driver.getVolume(volumeID, "") if err != nil { return errors.WithFieldsE(fields, "error getting volume", err) } targetVolume := goscaleio.NewVolume(driver.Client) targetVolume.Volume = volumes[0] err = targetVolume.RemoveVolume("ONLY_ME") if err != nil { return errors.WithFieldsE(fields, "error removing volume", err) } log.WithFields(fields).Debug("removed volume") return nil }
func (driver *Driver) DetachVolume(runAsync bool, volumeID, instanceID string) error { fields := eff(map[string]interface{}{ "runAsync": runAsync, "volumeId": volumeID, "instanceId": instanceID, }) if volumeID == "" { return errors.WithFields(fields, "volumeId is required") } volume, err := driver.GetVolume(volumeID, "") if err != nil { return errors.WithFieldsE(fields, "error getting volume", err) } fields["instanceId"] = volume[0].Attachments[0].InstanceID resp := volumeattach.Delete( driver.Client, volume[0].Attachments[0].InstanceID, volumeID) if resp.Err != nil { return errors.WithFieldsE(fields, "error deleting volume", err) } if !runAsync { log.WithFields(fields).Debug("waiting for volume to detach") err = driver.waitVolumeDetach(volumeID) if err != nil { return errors.WithFieldsE( fields, "error waiting for volume to detach", err) } } log.WithFields(fields).Debug("volume detached") return nil }
func (driver *Driver) AttachVolume(runAsync bool, volumeID, instanceID string) ([]*storage.VolumeAttachment, error) { fields := eff(map[string]interface{}{ "runAsync": runAsync, "volumeId": volumeID, "instanceId": instanceID, }) if volumeID == "" { return nil, errors.WithFields(fields, "volumeId is required") } mapVolumeSdcParam := &types.MapVolumeSdcParam{ SdcID: driver.Sdc.Sdc.ID, AllowMultipleMappings: "false", AllSdcs: "", } volumes, err := driver.getVolume(volumeID, "") if err != nil { return nil, errors.WithFieldsE(fields, "error getting volume", err) } if len(volumes) == 0 { return nil, errors.WithFields(fields, "no volumes returned") } targetVolume := goscaleio.NewVolume(driver.Client) targetVolume.Volume = volumes[0] err = targetVolume.MapVolumeSdc(mapVolumeSdcParam) if err != nil { return nil, errors.WithFieldsE(fields, "error mapping volume sdc", err) } _, err = waitMount(volumes[0].ID) if err != nil { fields["volumeId"] = volumes[0].ID return nil, errors.WithFieldsE( fields, "error waiting on volume to mount", err) } volumeAttachment, err := driver.GetVolumeAttach(volumeID, instanceID) if err != nil { return nil, errors.WithFieldsE( fields, "error getting volume attachments", err) } log.WithFields(log.Fields{ "provider": ProviderName, "volumeId": volumeID, "instanceId": instanceID, }).Debug("attached volume to instance") return volumeAttachment, nil }
func (driver *Driver) getVolume(volumeID, volumeName string) (volumesRet []volumes.Volume, err error) { if volumeID != "" { volume, err := volumes.Get(driver.ClientBlockStorage, volumeID).Extract() if err != nil { return []volumes.Volume{}, errors.WithFieldsE(eff(errors.Fields{ "volumeId": volumeID, "volumeName": volumeName}), "error getting volumes", err) } volumesRet = append(volumesRet, *volume) } else { listOpts := &volumes.ListOpts{ //Name: volumeName, } allPages, err := volumes.List(driver.ClientBlockStorage, listOpts).AllPages() if err != nil { return []volumes.Volume{}, errors.WithFieldsE(eff(errors.Fields{ "volumeId": volumeID, "volumeName": volumeName}), "error listing volumes", err) } volumesRet, err = volumes.ExtractVolumes(allPages) if err != nil { return []volumes.Volume{}, errors.WithFieldsE(eff(errors.Fields{ "volumeId": volumeID, "volumeName": volumeName}), "error extracting volumes", err) } var volumesRetFiltered []volumes.Volume if volumeName != "" { var found bool for _, volume := range volumesRet { if volume.Name == volumeName { volumesRetFiltered = append(volumesRetFiltered, volume) found = true break } } if !found { return []volumes.Volume{}, nil } } volumesRet = volumesRetFiltered } return volumesRet, nil }
func (driver *Driver) GetSnapshot(volumeID, snapshotID, snapshotName string) ([]*storage.Snapshot, error) { snapshots, err := driver.getSnapshot(volumeID, snapshotID, snapshotName) if err != nil { return nil, errors.WithFieldsE(eff(errors.Fields{ "volumeId": volumeID, "snapshotId": snapshotID, "snapshotName": snapshotName}), "error getting snapshot", err) } var snapshotsInt []*storage.Snapshot for _, snapshot := range snapshots { snapshotSD := &storage.Snapshot{ Name: snapshot.Name, VolumeID: snapshot.VolumeID, SnapshotID: snapshot.ID, VolumeSize: strconv.Itoa(snapshot.Size), StartTime: snapshot.CreatedAt, Description: snapshot.Description, Status: snapshot.Status, } snapshotsInt = append(snapshotsInt, snapshotSD) } return snapshotsInt, nil }
func (driver *Driver) GetVolumeAttach(volumeID, instanceID string) ([]*storage.VolumeAttachment, error) { fields := eff(map[string]interface{}{ "volumeId": volumeID, "instanceId": instanceID, }) if volumeID == "" { return []*storage.VolumeAttachment{}, errors.WithFields(fields, "volumeId is required") } volume, err := driver.GetVolume(volumeID, "") if err != nil { return []*storage.VolumeAttachment{}, errors.WithFieldsE(fields, "error getting volume attach", err) } if instanceID != "" { var attached bool for _, volumeAttachment := range volume[0].Attachments { if volumeAttachment.InstanceID == instanceID { return volume[0].Attachments, nil } } if !attached { return []*storage.VolumeAttachment{}, nil } } return volume[0].Attachments, nil }
func (driver *Driver) GetVolumeMapping() ([]*storage.BlockDevice, error) { blockDevices, err := driver.getBlockDevices(driver.InstanceID) if err != nil { return nil, errors.WithFieldsE(eff(errors.Fields{ "instanceId": driver.InstanceID, }), "error getting block devices", err) } var BlockDevices []*storage.BlockDevice for _, blockDevice := range blockDevices { sdBlockDevice := &storage.BlockDevice{ ProviderName: ProviderName, InstanceID: driver.InstanceID, VolumeID: blockDevice.VolumeID, DeviceName: blockDevice.Device, Region: driver.Region, Status: "", } BlockDevices = append(BlockDevices, sdBlockDevice) } return BlockDevices, nil }
func (driver *Driver) GetVolumeMapping() ([]*storage.BlockDevice, error) { blockDevices, err := driver.getBlockDevices() if err != nil { return nil, errors.WithFieldsE(ef(), "error getting block devices", err) } var BlockDevices []*storage.BlockDevice for _, blockDevice := range blockDevices { sdBlockDevice := &storage.BlockDevice{ ProviderName: ProviderName, InstanceID: driver.Sdc.Sdc.ID, Region: blockDevice.MdmID, DeviceName: blockDevice.SdcDevice, VolumeID: blockDevice.VolumeID, Status: "", } BlockDevices = append(BlockDevices, sdBlockDevice) } log.WithFields(log.Fields{ "provider": ProviderName, "blockDevices": BlockDevices, }).Debug("got block device mappings") return BlockDevices, nil }
func (driver *Driver) CreateSnapshot(runAsync bool, snapshotName, volumeID, description string) ([]*storage.Snapshot, error) { fields := eff(map[string]interface{}{ "runAsync": runAsync, "snapshotName": snapshotName, "volumeId": volumeID, "description": description, }) opts := snapshots.CreateOpts{ Name: snapshotName, VolumeID: volumeID, Description: description, Force: true, } resp, err := snapshots.Create(driver.ClientBlockStorage, opts).Extract() if err != nil { return nil, errors.WithFieldsE(fields, "error creating snapshot", err) } if !runAsync { log.Debug("waiting for snapshot creation to complete") err = snapshots.WaitForStatus(driver.ClientBlockStorage, resp.ID, "available", 120) if err != nil { return nil, errors.WithFieldsE(fields, "error waiting for snapshot creation to complete", err) } } snapshot, err := driver.GetSnapshot("", resp.ID, "") if err != nil { return nil, err } log.WithFields(log.Fields{ "runAsync": runAsync, "snapshotName": snapshotName, "volumeId": volumeID, "description": description}).Debug("created snapshot") return snapshot, nil }
func (driver *Driver) getBlockDevices() ([]*goscaleio.SdcMappedVolume, error) { volumeMaps, err := goscaleio.GetLocalVolumeMap() if err != nil { return []*goscaleio.SdcMappedVolume{}, errors.WithFieldsE(ef(), "error getting local volume map", err) } return volumeMaps, nil }
func (driver *Driver) getInstance() (*servers.Server, error) { server, err := servers.Get(driver.Client, driver.InstanceID).Extract() if err != nil { return nil, errors.WithFieldsE(ef(), "error getting server instance", err) } return server, nil }
func (driver *Driver) AttachVolume(runAsync bool, volumeID, instanceID string) ([]*storage.VolumeAttachment, error) { fields := eff(map[string]interface{}{ "runAsync": runAsync, "volumeId": volumeID, "instanceId": instanceID, }) nextDeviceName, err := driver.GetDeviceNextAvailable() if err != nil { return nil, errors.WithFieldsE( fields, "error getting next available device", err) } options := &volumeattach.CreateOpts{ Device: nextDeviceName, VolumeID: volumeID, } _, err = volumeattach.Create(driver.Client, instanceID, options).Extract() if err != nil { return nil, errors.WithFieldsE( fields, "error attaching volume", err) } if !runAsync { log.WithFields(fields).Debug("waiting for volume to attach") err = driver.waitVolumeAttach(volumeID) if err != nil { return nil, errors.WithFieldsE( fields, "error waiting for volume to detach", err) } } volumeAttachment, err := driver.GetVolumeAttach(volumeID, instanceID) if err != nil { return nil, err } log.WithFields(fields).Debug("volume attached") return volumeAttachment, nil }
func (driver *Driver) DetachVolume(runAsync bool, volumeID string, blank string) error { fields := eff(map[string]interface{}{ "runAsync": runAsync, "volumeId": volumeID, "blank": blank, }) if volumeID == "" { return errors.WithFields(fields, "volumeId is required") } volumes, err := driver.getVolume(volumeID, "") if err != nil { return errors.WithFieldsE(fields, "error getting volume", err) } if len(volumes) == 0 { return errors.WithFields(fields, "no volumes returned") } targetVolume := goscaleio.NewVolume(driver.Client) targetVolume.Volume = volumes[0] unmapVolumeSdcParam := &types.UnmapVolumeSdcParam{ SdcID: driver.Sdc.Sdc.ID, IgnoreScsiInitiators: "true", AllSdcs: "", } // need to detect if unmounted first err = targetVolume.UnmapVolumeSdc(unmapVolumeSdcParam) if err != nil { return errors.WithFieldsE(fields, "error unmapping volume sdc", err) } log.WithFields(log.Fields{ "provider": ProviderName, "volumeId": volumeID}).Debug("detached volume") return nil }
func (driver *Driver) getSnapshot(volumeID, snapshotID, snapshotName string) (allSnapshots []snapshots.Snapshot, err error) { fields := eff(map[string]interface{}{ "volumeId": volumeID, "snapshotId": snapshotID, "snapshotName": snapshotName, }) if snapshotID != "" { snapshot, err := snapshots.Get(driver.ClientBlockStorage, snapshotID).Extract() if err != nil { return []snapshots.Snapshot{}, errors.WithFieldsE(fields, "error getting snapshot", err) } allSnapshots = append(allSnapshots, *snapshot) } else { opts := snapshots.ListOpts{ VolumeID: volumeID, Name: snapshotName, } allPages, err := snapshots.List(driver.ClientBlockStorage, opts).AllPages() if err != nil { return []snapshots.Snapshot{}, errors.WithFieldsE(fields, "error listing snapshot", err) } allSnapshots, err = snapshots.ExtractSnapshots(allPages) if err != nil { return []snapshots.Snapshot{}, errors.WithFieldsE(fields, "error extracting snapshot", err) } } return allSnapshots, nil }
func (driver *Driver) RemoveVolume(volumeID string) error { fields := eff(map[string]interface{}{ "volumeId": volumeID, }) if volumeID == "" { return errors.WithFields(fields, "volumeId is required") } res := volumes.Delete(driver.ClientBlockStorage, volumeID) if res.Err != nil { return errors.WithFieldsE(fields, "error removing volume", res.Err) } log.WithFields(fields).Debug("removed volume") return nil }
func (driver *Driver) GetInstance() (*storage.Instance, error) { server, err := driver.getInstance() if err != nil { return nil, errors.WithFieldsE(ef(), "error getting driver instance", err) } instance := &storage.Instance{ ProviderName: ProviderName, InstanceID: driver.InstanceID, Region: driver.Region, Name: server.Name, } return instance, nil }
func (driver *Driver) getBlockDevices(instanceID string) ([]volumeattach.VolumeAttachment, error) { // volumes := volumeattach.Get(driver.Client, driver.InstanceID, "") allPages, err := volumeattach.List(driver.Client, driver.InstanceID).AllPages() // volumeAttachments, err := volumes.VolumeAttachmentResult.ExtractAll() volumeAttachments, err := volumeattach.ExtractVolumeAttachments(allPages) if err != nil { return []volumeattach.VolumeAttachment{}, errors.WithFieldsE(eff(errors.Fields{ "instanceId": instanceID}), "error extracting volume attachments", err) } return volumeAttachments, nil }
func getLocalDevices() (deviceNames []string, err error) { file := "/proc/partitions" contentBytes, err := ioutil.ReadFile(file) if err != nil { return []string{}, errors.WithFieldsE( eff(errors.Fields{"file": file}), "error reading file", err) } content := string(contentBytes) lines := strings.Split(content, "\n") for _, line := range lines[2:] { fields := strings.Fields(line) if len(fields) == 4 { deviceNames = append(deviceNames, fields[3]) } } return deviceNames, nil }
func (driver *Driver) GetVolume(volumeID, volumeName string) ([]*storage.Volume, error) { volumesRet, err := driver.getVolume(volumeID, volumeName) if err != nil { return []*storage.Volume{}, errors.WithFieldsE(eff(errors.Fields{ "volumeId": volumeID, "volumeName": volumeName}), "error getting volume", err) } var volumesSD []*storage.Volume for _, volume := range volumesRet { var attachmentsSD []*storage.VolumeAttachment for _, attachment := range volume.Attachments { attachmentSD := &storage.VolumeAttachment{ VolumeID: attachment["volume_id"].(string), InstanceID: attachment["server_id"].(string), DeviceName: attachment["device"].(string), Status: "", } attachmentsSD = append(attachmentsSD, attachmentSD) } volumeSD := &storage.Volume{ Name: volume.Name, VolumeID: volume.ID, AvailabilityZone: volume.AvailabilityZone, Status: volume.Status, VolumeType: volume.VolumeType, IOPS: 0, Size: strconv.Itoa(volume.Size), Attachments: attachmentsSD, } volumesSD = append(volumesSD, volumeSD) } return volumesSD, nil }
func (driver *Driver) waitVolumeAttach(volumeID string) error { fields := eff(map[string]interface{}{ "volumeId": volumeID, }) if volumeID == "" { return errors.WithFields(fields, "volumeId is required") } for { volume, err := driver.GetVolume(volumeID, "") if err != nil { return errors.WithFieldsE(fields, "error getting volume", err) } if volume[0].Status == "in-use" { break } time.Sleep(1 * time.Second) } return nil }
func Init(cfg *config.Config) (storage.Driver, error) { fields := eff(map[string]interface{}{ "endpoint": cfg.XtremIoEndpoint, "userName": cfg.XtremIoUserName, "deviceMapper": cfg.XtremIoDeviceMapper, "multipath": cfg.XtremIoMultipath, "remoteManagement": cfg.XtremIoRemoteManagement, "insecure": cfg.XtremIoInsecure, }) if cfg.XtremIoPassword == "" { fields["password"] = "" } else { fields["password"] = "******" } if !isXtremIOAttached() && !cfg.XtremIoRemoteManagement { return nil, errors.WithFields(fields, "device not detected") } client, cErr := xtio.NewClientWithArgs( cfg.XtremIoEndpoint, cfg.XtremIoInsecure, cfg.XtremIoUserName, cfg.XtremIoPassword) if cErr != nil { return nil, errors.WithFieldsE(fields, "error creating xtremio client", cErr) } var iqn string var ini xtio.Initiator if !cfg.XtremIoRemoteManagement { var iqnErr error iqn, iqnErr = getIQN() if iqnErr != nil { return nil, iqnErr } var iniErr error ini, iniErr = client.GetInitiator("", iqn) if iniErr != nil { return nil, iniErr } } useDeviceMapper, _ := strconv.ParseBool(os.Getenv("REXRAY_XTREMIO_DM")) useMultipath, _ := strconv.ParseBool(os.Getenv("REXRAY_XTREMIO_MULTIPATH")) driver := &Driver{ Client: client, Initiator: ini, UseDeviceMapper: useDeviceMapper, UseMultipath: useMultipath, Config: cfg, VolumesByNAA: map[string]xtio.Volume{}, } log.WithField("provider", ProviderName).Debug( "storage driver initialized") return driver, nil }
func (driver *Driver) CreateVolume( runAsync bool, volumeName string, volumeID string, snapshotID string, volumeType string, IOPS int64, size int64, availabilityZone string) (*storage.Volume, error) { fields := map[string]interface{}{ "provider": ProviderName, "runAsync": runAsync, "volumeName": volumeName, "volumeId": volumeID, "snapshotId": snapshotID, "volumeType": volumeType, "iops": IOPS, "size": size, "availabilityZone": availabilityZone, } if volumeID != "" && runAsync { return nil, errors.WithFields(fields, "cannot create volume from volume & run async") } if snapshotID != "" { snapshot, err := driver.GetSnapshot("", snapshotID, "") if err != nil { return nil, errors.WithFieldsE(fields, "error getting snapshot", err) } if len(snapshot) == 0 { return nil, errors.WithFields(fields, "snapshot array is empty") } volSize := snapshot[0].VolumeSize sizeInt, err := strconv.Atoi(volSize) if err != nil { f := errors.Fields{ "volumeSize": volSize, } for k, v := range fields { f[k] = v } return nil, errors.WithFieldsE(f, "error casting volume size", err) } size = int64(sizeInt) } var volume []*storage.Volume var err error if volumeID != "" { volume, err = driver.GetVolume(volumeID, "") if err != nil { return nil, errors.WithFields(fields, "error getting volume") } if len(volume) == 0 { return nil, errors.WithFields(fields, "volume array is empty") } volSize := volume[0].Size sizeInt, err := strconv.Atoi(volSize) if err != nil { f := errors.Fields{ "volumeSize": volSize, } for k, v := range fields { f[k] = v } return nil, errors.WithFieldsE(f, "error casting volume size", err) } size = int64(sizeInt) volumeID := volume[0].VolumeID snapshot, err := driver.CreateSnapshot( false, fmt.Sprintf("temp-%s", volumeID), volumeID, "") if err != nil { return nil, errors.WithFields(fields, "error creating snapshot") } snapshotID = snapshot[0].SnapshotID if availabilityZone == "" { availabilityZone = volume[0].AvailabilityZone } } if size != 0 && size < minSize { size = minSize } options := &volumes.CreateOpts{ Name: volumeName, Size: int(size), SnapshotID: snapshotID, VolumeType: volumeType, Availability: availabilityZone, } resp, err := volumes.Create(driver.ClientBlockStorage, options).Extract() if err != nil { return nil, errors.WithFields(fields, "error creating volume") } if !runAsync { log.Debug("waiting for volume creation to complete") err = volumes.WaitForStatus(driver.ClientBlockStorage, resp.ID, "available", 120) if err != nil { return nil, errors.WithFields(fields, "error waiting for volume creation to complete") } if volumeID != "" { err := driver.RemoveSnapshot(snapshotID) if err != nil { return nil, errors.WithFields(fields, "error removing snapshot") } } } fields["volumeId"] = resp.ID fields["volumeName"] = "" volume, err = driver.GetVolume(resp.ID, "") if err != nil { return nil, errors.WithFields(fields, "error removing snapshot") } log.WithFields(fields).Debug("created volume") return volume[0], nil }
func Init(cfg *config.Config) (storage.Driver, error) { fields := eff(map[string]interface{}{ "endpoint": cfg.ScaleIoEndpoint, "insecure": cfg.ScaleIoInsecure, "useCerts": cfg.ScaleIoUseCerts, }) client, err := goscaleio.NewClientWithArgs( cfg.ScaleIoEndpoint, cfg.ScaleIoInsecure, cfg.ScaleIoUseCerts) if err != nil { return nil, errors.WithFieldsE(fields, "error constructing new client", err) } _, err = client.Authenticate(&goscaleio.ConfigConnect{ cfg.ScaleIoEndpoint, cfg.ScaleIoUserName, cfg.ScaleIoPassword}) if err != nil { fields["userName"] = cfg.ScaleIoUserName if cfg.ScaleIoPassword != "" { fields["password"] = "******" } return nil, errors.WithFieldsE(fields, "error authenticating", err) } system, err := client.FindSystem( cfg.ScaleIoSystemId, cfg.ScaleIoSystemName, "") if err != nil { fields["systemId"] = cfg.ScaleIoSystemId fields["systemName"] = cfg.ScaleIoSystemName return nil, errors.WithFieldsE(fields, "error finding system", err) } pd, err := system.FindProtectionDomain( cfg.ScaleIoProtectionDomainId, cfg.ScaleIoProtectionDomainName, "") if err != nil { fields["domainId"] = cfg.ScaleIoProtectionDomainId fields["domainName"] = cfg.ScaleIoProtectionDomainName return nil, errors.WithFieldsE(fields, "error finding protection domain", err) } protectionDomain := goscaleio.NewProtectionDomain(client) protectionDomain.ProtectionDomain = pd sp, err := protectionDomain.FindStoragePool( cfg.ScaleIoStoragePoolId, cfg.ScaleIoStoragePoolName, "") if err != nil { fields["storagePoolId"] = cfg.ScaleIoStoragePoolId fields["storagePoolName"] = cfg.ScaleIoStoragePoolName return nil, errors.WithFieldsE(fields, "error finding storage pool", err) } storagePool := goscaleio.NewStoragePool(client) storagePool.StoragePool = sp sdcguid, err := goscaleio.GetSdcLocalGUID() if err != nil { return nil, errors.WithFieldsE(fields, "error getting sdc local guid", err) } sdc, err := system.FindSdc("SdcGuid", strings.ToUpper(sdcguid)) if err != nil { fields["sdcGuid"] = sdcguid return nil, errors.WithFieldsE(fields, "error finding sdc", err) } driver := &Driver{ Client: client, System: system, ProtectionDomain: protectionDomain, StoragePool: storagePool, Sdc: sdc, } log.WithField("providerName", ProviderName).Debug( "storage driver initialized") return driver, nil }
func Init(cfg *config.Config) (storage.Driver, error) { fields := ef() instanceID, err := getInstanceID(cfg) if err != nil { return nil, err } fields["instanceId"] = instanceID region, err := getInstanceRegion(cfg) if err != nil { return nil, err } fields["region"] = region authOpts := getAuthOptions(cfg) fields["identityEndpoint"] = cfg.RackspaceAuthUrl fields["userId"] = cfg.RackspaceUserId fields["userName"] = cfg.RackspaceUserName if cfg.RackspacePassword == "" { fields["password"] = "" } else { fields["password"] = "******" } fields["tenantId"] = cfg.RackspaceTenantId fields["tenantName"] = cfg.RackspaceTenantName fields["domainId"] = cfg.RackspaceDomainId fields["domainName"] = cfg.RackspaceDomainName provider, err := openstack.AuthenticatedClient(authOpts) if err != nil { return nil, errors.WithFieldsE(fields, "error getting authenticated client", err) } region = strings.ToUpper(region) client, err := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{ Region: region, }) if err != nil { return nil, errors.WithFieldsE(fields, "error getting newComputeV2", err) } clientBlockStorage, err := openstack.NewBlockStorageV1(provider, gophercloud.EndpointOpts{ Region: region, }) if err != nil { return nil, errors.WithFieldsE( fields, "error getting newBlockStorageV1", err) } driver := &Driver{ Provider: provider, Client: client, ClientBlockStorage: clientBlockStorage, Region: region, InstanceID: instanceID, Config: cfg, } return driver, nil }
func StartModule(modInstId int32) error { modInstancesRwl.RLock() defer modInstancesRwl.RUnlock() lf := map[string]interface{}{"id": modInstId} mod, modExists := modInstances[modInstId] if !modExists { return errors.WithFields(lf, "unknown module instance") } lf["id"] = mod.Id lf["typeId"] = mod.Type.Id lf["typeName"] = mod.Type.Name lf["address"] = mod.Config.Address started := make(chan bool) timeout := make(chan bool) startError := make(chan error) go func() { defer func() { r := recover() m := "error starting module" errMsg := fmt.Sprintf( "Error starting module type %d, %d-%s at %s", mod.TypeId, mod.Id, mod.Name, mod.Config.Address) if r == nil { startError <- errors.New(errMsg) return } switch x := r.(type) { case string: lf["inner"] = x startError <- errors.WithFields(lf, m) case error: startError <- errors.WithFieldsE(lf, m, x) default: startError <- errors.WithFields(lf, m) } }() sErr := mod.Inst.Start() if sErr != nil { startError <- sErr } else { started <- true } }() go func() { time.Sleep(3 * time.Second) timeout <- true }() select { case <-started: mod.IsStarted = true log.WithFields(lf).Info("started module") case <-timeout: log.WithFields(lf).Debug("timed out while monitoring module start") case sErr := <-startError: return sErr } return nil }