vendor files

vendor/github.com/kubernetes-csi/drivers/pkg/flexadapter/flexadapter.go

@@ -0,0 +1,97 @@
+/*
+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 flexadapter
+
+import (
+	"os"
+	"sync"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"github.com/golang/glog"
+
+	"github.com/kubernetes-csi/drivers/pkg/csi-common"
+)
+
+type flexAdapter struct {
+	driver *csicommon.CSIDriver
+
+	flexDriver *flexVolumeDriver
+
+	ns *nodeServer
+	cs *controllerServer
+
+	cap   []*csi.VolumeCapability_AccessMode
+	cscap []*csi.ControllerServiceCapability
+}
+
+var (
+	adapter *flexAdapter
+	runOnce sync.Once
+	version = csi.Version{
+		Minor: 1,
+	}
+)
+
+func GetSupportedVersions() []*csi.Version {
+	return []*csi.Version{&version}
+}
+
+func GetFlexAdapter() *flexAdapter {
+	runOnce.Do(func() {
+		adapter = &flexAdapter{}
+	})
+	return adapter
+}
+
+func NewControllerServer(d *csicommon.CSIDriver) *controllerServer {
+	return &controllerServer{
+		DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
+	}
+}
+
+func NewNodeServer(d *csicommon.CSIDriver, f *flexVolumeDriver) *nodeServer {
+	return &nodeServer{
+		flexDriver:        f,
+		DefaultNodeServer: csicommon.NewDefaultNodeServer(d),
+	}
+}
+
+func (f *flexAdapter) Run(driverName, driverPath, nodeID, endpoint string) {
+	var err error
+
+	glog.Infof("Driver: %v version: %v", driverName, GetVersionString(&version))
+
+	// Create flex volume driver
+	adapter.flexDriver, err = NewFlexVolumeDriver(driverName, driverPath)
+	if err != nil {
+		glog.Errorf("Failed to initialize flex volume driver, error: %v", err.Error())
+		os.Exit(1)
+	}
+
+	// Initialize default library driver
+	adapter.driver = csicommon.NewCSIDriver(driverName, &version, GetSupportedVersions(), nodeID)
+	if adapter.flexDriver.capabilities.Attach {
+		adapter.driver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{csi.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME})
+	}
+	adapter.driver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER})
+
+	// Create GRPC servers
+	f.ns = NewNodeServer(adapter.driver, adapter.flexDriver)
+	f.cs = NewControllerServer(adapter.driver)
+
+	csicommon.RunControllerandNodePublishServer(endpoint, adapter.driver, f.cs, f.ns)
+}