mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-23 05:20:19 +00:00
136 lines
3.6 KiB
Go
136 lines
3.6 KiB
Go
/*
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Copyright 2019 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"flag"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/ceph/ceph-csi/pkg/cephfs"
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"github.com/ceph/ceph-csi/pkg/rbd"
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"github.com/ceph/ceph-csi/pkg/util"
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"k8s.io/klog"
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)
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const (
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rbdType = "rbd"
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cephfsType = "cephfs"
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rbdDefaultName = "rbd.csi.ceph.com"
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cephfsDefaultName = "cephfs.csi.ceph.com"
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)
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var (
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// common flags
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vtype = flag.String("type", "", "driver type [rbd|cephfs]")
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endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
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driverName = flag.String("drivername", "", "name of the driver")
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nodeID = flag.String("nodeid", "", "node id")
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instanceID = flag.String("instanceid", "", "Unique ID distinguishing this instance of Ceph CSI among other"+
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" instances, when sharing Ceph clusters across CSI instances for provisioning")
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metadataStorage = flag.String("metadatastorage", "", "metadata persistence method [node|k8s_configmap]")
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pluginPath = flag.String("pluginpath", "/var/lib/kubelet/plugins/", "the location of cephcsi plugin")
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// rbd related flags
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containerized = flag.Bool("containerized", true, "whether run as containerized")
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// cephfs related flags
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volumeMounter = flag.String("volumemounter", "", "default volume mounter (possible options are 'kernel', 'fuse')")
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mountCacheDir = flag.String("mountcachedir", "", "mount info cache save dir")
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)
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func init() {
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klog.InitFlags(nil)
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if err := flag.Set("logtostderr", "true"); err != nil {
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klog.Exitf("failed to set logtostderr flag: %v", err)
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}
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flag.Parse()
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}
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func getType() string {
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if vtype == nil || *vtype == "" {
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a0 := path.Base(os.Args[0])
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if strings.Contains(a0, rbdType) {
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return rbdType
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}
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if strings.Contains(a0, cephfsType) {
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return cephfsType
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}
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return ""
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}
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return *vtype
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}
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func getDriverName() string {
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// was explicitly passed a driver name
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if driverName != nil && *driverName != "" {
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return *driverName
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}
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// select driver name based on volume type
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switch getType() {
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case rbdType:
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return rbdDefaultName
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case cephfsType:
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return cephfsDefaultName
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default:
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return ""
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}
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}
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func main() {
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klog.Infof("Driver version: %s and Git version: %s", util.DriverVersion, util.GitCommit)
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var cp util.CachePersister
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driverType := getType()
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if driverType == "" {
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klog.Fatalln("driver type not specified")
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}
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dname := getDriverName()
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err := util.ValidateDriverName(dname)
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if err != nil {
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klog.Fatalln(err) // calls exit
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}
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csipluginPath := filepath.Join(*pluginPath, dname)
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if *metadataStorage != "" {
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cp, err = util.CreatePersistanceStorage(
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csipluginPath, *metadataStorage, *pluginPath)
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if err != nil {
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os.Exit(1)
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}
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}
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klog.Infof("Starting driver type: %v with name: %v", driverType, dname)
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switch driverType {
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case rbdType:
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driver := rbd.NewDriver()
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driver.Run(dname, *nodeID, *endpoint, *instanceID, *containerized, cp, driverType)
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case cephfsType:
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driver := cephfs.NewDriver()
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driver.Run(dname, *nodeID, *endpoint, *volumeMounter, *mountCacheDir, *instanceID, csipluginPath, cp, driverType)
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default:
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klog.Fatalln("invalid volume type", vtype) // calls exit
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}
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os.Exit(0)
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}
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