Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/volume/scaleio/sio_mgr.go

@@ -0,0 +1,248 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package scaleio
+
+import (
+	"errors"
+	"strconv"
+
+	"k8s.io/kubernetes/pkg/util/mount"
+
+	"github.com/golang/glog"
+
+	siotypes "github.com/codedellemc/goscaleio/types/v1"
+)
+
+type storageInterface interface {
+	CreateVolume(string, int64) (*siotypes.Volume, error)
+	AttachVolume(string, bool) (string, error)
+	IsAttached(string) (bool, error)
+	DetachVolume(string) error
+	DeleteVolume(string) error
+}
+
+type sioMgr struct {
+	client     sioInterface
+	configData map[string]string
+	exec       mount.Exec
+}
+
+func newSioMgr(configs map[string]string, exec mount.Exec) (*sioMgr, error) {
+	if configs == nil {
+		return nil, errors.New("missing configuration data")
+	}
+	configs[confKey.protectionDomain] = defaultString(configs[confKey.protectionDomain], "default")
+	configs[confKey.storagePool] = defaultString(configs[confKey.storagePool], "default")
+	configs[confKey.sdcRootPath] = defaultString(configs[confKey.sdcRootPath], sdcRootPath)
+	configs[confKey.storageMode] = defaultString(configs[confKey.storageMode], "ThinProvisioned")
+
+	mgr := &sioMgr{configData: configs, exec: exec}
+	return mgr, nil
+}
+
+// getClient safely returns an sioInterface
+func (m *sioMgr) getClient() (sioInterface, error) {
+	if m.client == nil {
+		glog.V(4).Info(log("creating scaleio client"))
+		configs := m.configData
+		username := configs[confKey.username]
+		password := configs[confKey.password]
+		gateway := configs[confKey.gateway]
+		b, err := strconv.ParseBool(configs[confKey.sslEnabled])
+		if err != nil {
+			glog.Error(log("failed to parse sslEnabled, must be either \"true\" or \"false\""))
+			return nil, err
+		}
+		certsEnabled := b
+
+		glog.V(4).Info(log("creating new client for gateway %s", gateway))
+		client, err := newSioClient(gateway, username, password, certsEnabled, m.exec)
+		if err != nil {
+			glog.Error(log("failed to create scaleio client: %v", err))
+			return nil, err
+		}
+
+		client.sysName = configs[confKey.system]
+		client.pdName = configs[confKey.protectionDomain]
+		client.spName = configs[confKey.storagePool]
+		client.sdcPath = configs[confKey.sdcRootPath]
+		client.provisionMode = configs[confKey.storageMode]
+		client.sdcGuid = configs[confKey.sdcGuid]
+
+		m.client = client
+
+		glog.V(4).Info(log("client created successfully [gateway=%s]", gateway))
+	}
+	return m.client, nil
+}
+
+// CreateVolume creates a new ScaleIO volume
+func (m *sioMgr) CreateVolume(volName string, sizeGB int64) (*siotypes.Volume, error) {
+	client, err := m.getClient()
+	if err != nil {
+		return nil, err
+	}
+
+	glog.V(4).Infof("scaleio: creating volume %s", volName)
+	vol, err := client.CreateVolume(volName, sizeGB)
+	if err != nil {
+		glog.V(4).Infof("scaleio: failed creating volume %s: %v", volName, err)
+		return nil, err
+	}
+	glog.V(4).Infof("scaleio: created volume %s successfully", volName)
+	return vol, nil
+}
+
+// AttachVolume maps a ScaleIO volume to the running node.  If flag multiMaps,
+// ScaleIO will allow other SDC to map to volume.
+func (m *sioMgr) AttachVolume(volName string, multipleMappings bool) (string, error) {
+	client, err := m.getClient()
+	if err != nil {
+		glog.Error(log("attach volume failed: %v", err))
+		return "", err
+	}
+
+	glog.V(4).Infoln(log("attaching volume %s", volName))
+	iid, err := client.IID()
+	if err != nil {
+		glog.Error(log("failed to get instanceID"))
+		return "", err
+	}
+	glog.V(4).Info(log("attaching volume %s to host instance %s", volName, iid))
+
+	devs, err := client.Devs()
+	if err != nil {
+		return "", err
+	}
+
+	vol, err := client.FindVolume(volName)
+	if err != nil {
+		glog.Error(log("failed to find volume %s: %v", volName, err))
+		return "", err
+	}
+
+	// handle vol if already attached
+	if len(vol.MappedSdcInfo) > 0 {
+		if m.isSdcMappedToVol(iid, vol) {
+			glog.V(4).Info(log("skippping attachment, volume %s already attached to sdc %s", volName, iid))
+			return devs[vol.ID], nil
+		}
+	}
+
+	// attach volume, get deviceName
+	if err := client.AttachVolume(sioVolumeID(vol.ID), multipleMappings); err != nil {
+		glog.Error(log("attachment for volume %s failed :%v", volName, err))
+		return "", err
+	}
+	device, err := client.WaitForAttachedDevice(vol.ID)
+	if err != nil {
+		glog.Error(log("failed while waiting for device to attach: %v", err))
+		return "", err
+	}
+	glog.V(4).Info(log("volume %s attached successfully as %s to instance %s", volName, device, iid))
+	return device, nil
+}
+
+// IsAttached verifies that the named ScaleIO volume is still attached
+func (m *sioMgr) IsAttached(volName string) (bool, error) {
+	client, err := m.getClient()
+	if err != nil {
+		return false, err
+	}
+	iid, err := client.IID()
+	if err != nil {
+		glog.Error("scaleio: failed to get instanceID")
+		return false, err
+	}
+
+	vol, err := client.FindVolume(volName)
+	if err != nil {
+		return false, err
+	}
+	return m.isSdcMappedToVol(iid, vol), nil
+}
+
+// DetachVolume detaches the name ScaleIO volume from an instance
+func (m *sioMgr) DetachVolume(volName string) error {
+	client, err := m.getClient()
+	if err != nil {
+		return err
+	}
+	iid, err := client.IID()
+	if err != nil {
+		glog.Error(log("failed to get instanceID: %v", err))
+		return err
+	}
+
+	vol, err := client.FindVolume(volName)
+	if err != nil {
+		return err
+	}
+	if !m.isSdcMappedToVol(iid, vol) {
+		glog.Warning(log(
+			"skipping detached, vol %s not attached to instance %s",
+			volName, iid,
+		))
+		return nil
+	}
+
+	if err := client.DetachVolume(sioVolumeID(vol.ID)); err != nil {
+		glog.Error(log("failed to detach vol %s: %v", volName, err))
+		return err
+	}
+
+	glog.V(4).Info(log("volume %s detached successfully", volName))
+
+	return nil
+}
+
+// DeleteVolumes removes the ScaleIO volume
+func (m *sioMgr) DeleteVolume(volName string) error {
+	client, err := m.getClient()
+	if err != nil {
+		return err
+	}
+
+	vol, err := client.FindVolume(volName)
+	if err != nil {
+		return err
+	}
+
+	if err := client.DeleteVolume(sioVolumeID(vol.ID)); err != nil {
+		glog.Error(log("failed to delete volume %s: %v", volName, err))
+		return err
+	}
+
+	glog.V(4).Info(log("deleted volume %s successfully", volName))
+	return nil
+
+}
+
+// isSdcMappedToVol returns true if the sdc is mapped to the volume
+func (m *sioMgr) isSdcMappedToVol(sdcID string, vol *siotypes.Volume) bool {
+	if len(vol.MappedSdcInfo) == 0 {
+		glog.V(4).Info(log("no attachment found"))
+		return false
+	}
+
+	for _, sdcInfo := range vol.MappedSdcInfo {
+		if sdcInfo.SdcID == sdcID {
+			return true
+		}
+	}
+	return false
+}