mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-22 21:10:22 +00:00
cm metadata persist for rbd and cephfs
This commit is contained in:
parent
27fa8a28b8
commit
12e6881669
@ -33,3 +33,7 @@
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[[override]]
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name = "github.com/golang/protobuf"
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version = "1.1.0"
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[[constraint]]
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name = "k8s.io/client-go"
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version = "kubernetes-1.10.0-beta.1"
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@ -22,6 +22,7 @@ import (
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"path"
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"github.com/ceph/ceph-csi/pkg/cephfs"
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"github.com/ceph/ceph-csi/pkg/util"
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"github.com/golang/glog"
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)
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@ -30,10 +31,11 @@ func init() {
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}
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var (
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endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
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driverName = flag.String("drivername", "csi-cephfsplugin", "name of the driver")
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nodeId = flag.String("nodeid", "", "node id")
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volumeMounter = flag.String("volumemounter", "", "default volume mounter (possible options are 'kernel', 'fuse')")
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endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
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driverName = flag.String("drivername", "csi-cephfsplugin", "name of the driver")
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nodeId = flag.String("nodeid", "", "node id")
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volumeMounter = flag.String("volumemounter", "", "default volume mounter (possible options are 'kernel', 'fuse')")
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metadataStorage = flag.String("metadatastorage", "", "metadata persistence method [node|k8s_configmap]")
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)
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func main() {
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@ -49,8 +51,14 @@ func main() {
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os.Exit(1)
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}
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cp, err := util.NewCachePersister(*metadataStorage, *driverName)
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if err != nil {
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glog.Errorf("failed to define cache persistence method: %v", err)
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os.Exit(1)
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}
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driver := cephfs.NewCephFSDriver()
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driver.Run(*driverName, *nodeId, *endpoint, *volumeMounter)
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driver.Run(*driverName, *nodeId, *endpoint, *volumeMounter, cp)
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os.Exit(0)
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}
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@ -50,7 +50,8 @@ spec:
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- "--endpoint=$(CSI_ENDPOINT)"
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- "--v=5"
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- "--drivername=csi-rbdplugin"
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- "--containerized=true"
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- "--containerized=true"
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- "--metadatastorage=node"
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env:
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- name: HOST_ROOTFS
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value: "/rootfs"
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@ -58,6 +59,10 @@ spec:
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: POD_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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- name: CSI_ENDPOINT
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value: unix://var/lib/kubelet/plugins/csi-rbdplugin/csi.sock
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imagePullPolicy: "IfNotPresent"
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@ -27,6 +27,9 @@ Option | Default value | Description
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`--nodeid` | _empty_ | This node's ID
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`--volumemounter` | _empty_ | default volume mounter. Available options are `kernel` and `fuse`. This is the mount method used if volume parameters don't specify otherwise. If left unspecified, the driver will first probe for `ceph-fuse` in system's path and will choose Ceph kernel client if probing failed.
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**Available environmental variables:**
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`KUBERNETES_CONFIG_PATH`: if you use `k8s_configmap` as metadata store, specify the path of your k8s config file (if not specified, the plugin will assume you're running it inside a k8s cluster and find the config itself).
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**Available volume parameters:**
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Parameter | Required | Description
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@ -26,11 +26,13 @@ Option | Default value | Description
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`--drivername` | `csi-cephfsplugin` | name of the driver (Kubernetes: `provisioner` field in StorageClass must correspond to this value)
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`--nodeid` | _empty_ | This node's ID
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`--containerized` | true | Whether running in containerized mode
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`--metadatastorage` | _empty_ | Whether should metadata be kept on node as file or in a k8s configmap (`node` or `k8s_configmap`)
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**Available environmental variables:**
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`HOST_ROOTFS`: rbdplugin searches `/proc` directory under the directory set by `HOST_ROOTFS`.
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`KUBERNETES_CONFIG_PATH`: if you use `k8s_configmap` as metadata store, specify the path of your k8s config file (if not specified, the plugin will assume you're running it inside a k8s cluster and find the config itself).
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**Available volume parameters:**
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Parameter | Required | Description
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@ -1,128 +0,0 @@
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/*
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Copyright 2018 The Kubernetes 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 cephfs
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"sync"
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"github.com/golang/glog"
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)
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const (
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controllerCacheRoot = PluginFolder + "/controller/plugin-cache"
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)
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type controllerCacheEntry struct {
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VolOptions volumeOptions
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VolumeID volumeID
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}
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type controllerCacheMap map[volumeID]*controllerCacheEntry
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var (
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ctrCache = make(controllerCacheMap)
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ctrCacheMtx sync.Mutex
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)
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// Load all .json files from controllerCacheRoot into ctrCache
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// Called from driver.go's Run()
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func loadControllerCache() error {
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cacheDir, err := ioutil.ReadDir(controllerCacheRoot)
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if err != nil {
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return fmt.Errorf("cannot read controller cache from %s: %v", controllerCacheRoot, err)
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}
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ctrCacheMtx.Lock()
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defer ctrCacheMtx.Unlock()
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for _, fi := range cacheDir {
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if !strings.HasSuffix(fi.Name(), ".json") || !fi.Mode().IsRegular() {
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continue
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}
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f, err := os.Open(path.Join(controllerCacheRoot, fi.Name()))
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if err != nil {
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glog.Errorf("cephfs: cloudn't read '%s' from controller cache: %v", fi.Name(), err)
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continue
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}
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d := json.NewDecoder(f)
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ent := &controllerCacheEntry{}
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if err = d.Decode(ent); err != nil {
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glog.Errorf("cephfs: failed to parse '%s': %v", fi.Name(), err)
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} else {
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ctrCache[ent.VolumeID] = ent
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}
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f.Close()
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}
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return nil
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}
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func getControllerCacheEntryPath(volId volumeID) string {
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return path.Join(controllerCacheRoot, string(volId)+".json")
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}
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func (m controllerCacheMap) insert(ent *controllerCacheEntry) error {
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filePath := getControllerCacheEntryPath(ent.VolumeID)
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ctrCacheMtx.Lock()
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defer ctrCacheMtx.Unlock()
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f, err := os.Create(filePath)
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if err != nil {
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return fmt.Errorf("couldn't create cache entry file '%s': %v", filePath, err)
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}
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defer f.Close()
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enc := json.NewEncoder(f)
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if err = enc.Encode(ent); err != nil {
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return fmt.Errorf("failed to encode cache entry for volume %s: %v", ent.VolumeID, err)
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}
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m[ent.VolumeID] = ent
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return nil
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}
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func (m controllerCacheMap) pop(volId volumeID) (*controllerCacheEntry, error) {
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ctrCacheMtx.Lock()
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defer ctrCacheMtx.Unlock()
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ent, ok := m[volId]
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if !ok {
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return nil, fmt.Errorf("cache entry for volume %s does not exist", volId)
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}
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filePath := getControllerCacheEntryPath(volId)
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if err := os.Remove(filePath); err != nil {
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return nil, fmt.Errorf("failed to remove cache entry file '%s': %v", filePath, err)
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}
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delete(m, volId)
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return ent, nil
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}
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@ -24,10 +24,18 @@ import (
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"github.com/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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"github.com/ceph/ceph-csi/pkg/util"
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)
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type controllerServer struct {
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*csicommon.DefaultControllerServer
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MetadataStore util.CachePersister
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}
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type controllerCacheEntry struct {
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VolOptions volumeOptions
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VolumeID volumeID
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}
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func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
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@ -35,7 +43,6 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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glog.Errorf("CreateVolumeRequest validation failed: %v", err)
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return nil, err
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}
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// Configuration
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volOptions, err := newVolumeOptions(req.GetParameters())
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@ -56,7 +63,6 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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if volOptions.ProvisionVolume {
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// Admin credentials are required
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cr, err := getAdminCredentials(req.GetControllerCreateSecrets())
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if err != nil {
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return nil, status.Error(codes.InvalidArgument, err.Error())
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@ -82,7 +88,8 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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glog.Infof("cephfs: volume %s is provisioned statically", volId)
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}
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if err = ctrCache.insert(&controllerCacheEntry{VolOptions: *volOptions, VolumeID: volId}); err != nil {
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ce := &controllerCacheEntry{VolOptions: *volOptions, VolumeID: volId}
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if err := cs.MetadataStore.Create(string(volId), ce); err != nil {
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glog.Errorf("failed to store a cache entry for volume %s: %v", volId, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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@ -107,30 +114,18 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
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err error
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)
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// Load volume info from cache
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ent, err := ctrCache.pop(volId)
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if err != nil {
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glog.Error(err)
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ce := &controllerCacheEntry{}
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if err := cs.MetadataStore.Get(string(volId), ce); err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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if !ent.VolOptions.ProvisionVolume {
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if !ce.VolOptions.ProvisionVolume {
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// DeleteVolume() is forbidden for statically provisioned volumes!
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glog.Warningf("volume %s is provisioned statically, aborting delete", volId)
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return &csi.DeleteVolumeResponse{}, nil
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}
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defer func() {
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if err != nil {
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// Reinsert cache entry for retry
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if insErr := ctrCache.insert(ent); insErr != nil {
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glog.Errorf("failed to reinsert volume cache entry in rollback procedure for volume %s: %v", volId, err)
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}
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}
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}()
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// Deleting a volume requires admin credentials
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cr, err := getAdminCredentials(req.GetControllerDeleteSecrets())
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@ -139,7 +134,7 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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if err = purgeVolume(volId, cr, &ent.VolOptions); err != nil {
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if err = purgeVolume(volId, cr, &ce.VolOptions); err != nil {
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glog.Errorf("failed to delete volume %s: %v", volId, err)
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return nil, status.Error(codes.Internal, err.Error())
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}
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@ -149,6 +144,10 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
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return nil, status.Error(codes.Internal, err.Error())
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}
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if err := cs.MetadataStore.Delete(string(volId)); err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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glog.Infof("cephfs: successfully deleted volume %s", volId)
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return &csi.DeleteVolumeResponse{}, nil
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@ -17,12 +17,12 @@ limitations under the License.
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package cephfs
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import (
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"os"
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"github.com/golang/glog"
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"github.com/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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"github.com/ceph/ceph-csi/pkg/util"
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)
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const (
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@ -56,9 +56,10 @@ func NewIdentityServer(d *csicommon.CSIDriver) *identityServer {
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}
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}
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func NewControllerServer(d *csicommon.CSIDriver) *controllerServer {
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func NewControllerServer(d *csicommon.CSIDriver, cachePersister util.CachePersister) *controllerServer {
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return &controllerServer{
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DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
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MetadataStore: cachePersister,
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}
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}
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@ -68,20 +69,11 @@ func NewNodeServer(d *csicommon.CSIDriver) *nodeServer {
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}
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}
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func (fs *cephfsDriver) Run(driverName, nodeId, endpoint, volumeMounter string) {
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func (fs *cephfsDriver) Run(driverName, nodeId, endpoint, volumeMounter string, cachePersister util.CachePersister) {
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glog.Infof("Driver: %v version: %v", driverName, Version)
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// Configuration
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if err := os.MkdirAll(controllerCacheRoot, 0755); err != nil {
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glog.Fatalf("cephfs: failed to create %s: %v", controllerCacheRoot, err)
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return
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}
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if err := loadControllerCache(); err != nil {
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glog.Errorf("cephfs: failed to read volume cache: %v", err)
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}
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if err := loadAvailableMounters(); err != nil {
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glog.Fatalf("cephfs: failed to load ceph mounters: %v", err)
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}
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@ -120,7 +112,9 @@ func (fs *cephfsDriver) Run(driverName, nodeId, endpoint, volumeMounter string)
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fs.is = NewIdentityServer(fs.driver)
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fs.ns = NewNodeServer(fs.driver)
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fs.cs = NewControllerServer(fs.driver)
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fs.cs = NewControllerServer(fs.driver, cachePersister)
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//fs.cs.LoadExDataFromMetadataStore()
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server := csicommon.NewNonBlockingGRPCServer()
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server.Start(endpoint, fs.is, fs.cs, fs.ns)
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|
@ -20,10 +20,10 @@ import (
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"fmt"
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"os"
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"os/exec"
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"path"
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"syscall"
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"time"
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"github.com/ceph/ceph-csi/pkg/util"
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"github.com/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/golang/glog"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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@ -40,6 +40,28 @@ const (
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|
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type controllerServer struct {
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*csicommon.DefaultControllerServer
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MetadataStore util.CachePersister
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}
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var (
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rbdVolumes = map[string]*rbdVolume{}
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rbdSnapshots = map[string]*rbdSnapshot{}
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)
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func (cs *controllerServer) LoadExDataFromMetadataStore() error {
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vol := &rbdVolume{}
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cs.MetadataStore.ForAll("csi-rbd-vol-", vol, func(identifier string) error {
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rbdVolumes[identifier] = vol
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return nil
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})
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snap := &rbdSnapshot{}
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cs.MetadataStore.ForAll("csi-rbd-(.*)-snap-", snap, func(identifier string) error {
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rbdSnapshots[identifier] = snap
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return nil
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})
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glog.Infof("Loaded %d volumes and %d snapshots from metadata store", len(rbdVolumes), len(rbdSnapshots))
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return nil
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}
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func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest) (*csi.CreateVolumeResponse, error) {
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@ -92,7 +114,7 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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volName = rbdVol.Pool + "-dynamic-pvc-" + uniqueID
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}
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rbdVol.VolName = volName
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volumeID := "csi-rbd-" + uniqueID
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volumeID := "csi-rbd-vol-" + uniqueID
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rbdVol.VolID = volumeID
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// Volume Size - Default is 1 GiB
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volSizeBytes := int64(oneGB)
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@ -118,7 +140,7 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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}
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rbdSnap := &rbdSnapshot{}
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if err := loadSnapInfo(snapshotID, path.Join(PluginFolder, "controller-snap"), rbdSnap); err != nil {
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if err := cs.MetadataStore.Get(snapshotID, rbdSnap); err != nil {
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return nil, err
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}
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@ -137,11 +159,15 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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glog.V(4).Infof("create volume %s", volName)
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}
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}
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// Storing volInfo into a persistent file.
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if err := persistVolInfo(volumeID, path.Join(PluginFolder, "controller"), rbdVol); err != nil {
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glog.Warningf("rbd: failed to store volInfo with error: %v", err)
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if err := cs.MetadataStore.Create(volumeID, rbdVol); err != nil {
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glog.Warningf("failed to store volume metadata with error: %v", err)
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if err := deleteRBDImage(rbdVol, rbdVol.AdminId, req.GetControllerCreateSecrets()); err != nil {
|
||||
glog.V(3).Infof("failed to delete rbd image: %s/%s with error: %v", rbdVol.Pool, rbdVol.VolName, err)
|
||||
return nil, err
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
|
||||
rbdVolumes[volumeID] = rbdVol
|
||||
return &csi.CreateVolumeResponse{
|
||||
Volume: &csi.Volume{
|
||||
@ -161,14 +187,15 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
|
||||
volumeID := req.GetVolumeId()
|
||||
volumeIDMutex.LockKey(volumeID)
|
||||
defer volumeIDMutex.UnlockKey(volumeID)
|
||||
|
||||
rbdVol := &rbdVolume{}
|
||||
if err := loadVolInfo(volumeID, path.Join(PluginFolder, "controller"), rbdVol); err != nil {
|
||||
if err := cs.MetadataStore.Get(volumeID, rbdVol); err != nil {
|
||||
if os.IsNotExist(errors.Cause(err)) {
|
||||
// Must have been deleted already. This is not an error (idempotency!).
|
||||
return &csi.DeleteVolumeResponse{}, nil
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
|
||||
volName := rbdVol.VolName
|
||||
// Deleting rbd image
|
||||
glog.V(4).Infof("deleting volume %s", volName)
|
||||
@ -177,8 +204,8 @@ func (cs *controllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
|
||||
glog.V(3).Infof("failed to delete rbd image: %s/%s with error: %v", rbdVol.Pool, volName, err)
|
||||
return nil, err
|
||||
}
|
||||
// Removing persistent storage file for the unmapped volume
|
||||
if err := deleteVolInfo(volumeID, path.Join(PluginFolder, "controller")); err != nil {
|
||||
|
||||
if err := cs.MetadataStore.Delete(volumeID); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
@ -296,24 +323,21 @@ func (cs *controllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
|
||||
|
||||
rbdSnap.CreatedAt = time.Now().UnixNano()
|
||||
|
||||
// Storing snapInfo into a persistent file.
|
||||
if err := persistSnapInfo(snapshotID, path.Join(PluginFolder, "controller-snap"), rbdSnap); err != nil {
|
||||
if err := cs.MetadataStore.Create(snapshotID, rbdSnap); err != nil {
|
||||
glog.Warningf("rbd: failed to store snapInfo with error: %v", err)
|
||||
|
||||
// Unprotect snapshot
|
||||
err := unprotectSnapshot(rbdSnap, rbdSnap.AdminId, req.GetCreateSnapshotSecrets())
|
||||
if err != nil {
|
||||
return nil, status.Error(codes.Unknown, fmt.Sprintf("This Snapshot should be removed but failed to unprotect snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err))
|
||||
}
|
||||
|
||||
// Deleting snapshot
|
||||
glog.V(4).Infof("deleting Snaphot %s", rbdSnap.SnapName)
|
||||
if err := deleteSnapshot(rbdSnap, rbdSnap.AdminId, req.GetCreateSnapshotSecrets()); err != nil {
|
||||
return nil, status.Error(codes.Unknown, fmt.Sprintf("This Snapshot should be removed but failed to delete snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err))
|
||||
}
|
||||
|
||||
return nil, err
|
||||
}
|
||||
|
||||
rbdSnapshots[snapshotID] = rbdSnap
|
||||
return &csi.CreateSnapshotResponse{
|
||||
Snapshot: &csi.Snapshot{
|
||||
@ -342,7 +366,7 @@ func (cs *controllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteS
|
||||
defer snapshotIDMutex.UnlockKey(snapshotID)
|
||||
|
||||
rbdSnap := &rbdSnapshot{}
|
||||
if err := loadSnapInfo(snapshotID, path.Join(PluginFolder, "controller-snap"), rbdSnap); err != nil {
|
||||
if err := cs.MetadataStore.Get(snapshotID, rbdSnap); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
@ -358,8 +382,7 @@ func (cs *controllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteS
|
||||
return nil, status.Error(codes.FailedPrecondition, fmt.Sprintf("failed to delete snapshot: %s/%s with error: %v", rbdSnap.Pool, rbdSnap.SnapName, err))
|
||||
}
|
||||
|
||||
// Removing persistent storage file for the unmapped snapshot
|
||||
if err := deleteSnapInfo(snapshotID, path.Join(PluginFolder, "controller-snap")); err != nil {
|
||||
if err := cs.MetadataStore.Delete(snapshotID); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
|
105
pkg/rbd/rbd.go
105
pkg/rbd/rbd.go
@ -17,14 +17,9 @@ limitations under the License.
|
||||
package rbd
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path"
|
||||
"strings"
|
||||
|
||||
"github.com/golang/glog"
|
||||
|
||||
"github.com/ceph/ceph-csi/pkg/util"
|
||||
"github.com/container-storage-interface/spec/lib/go/csi/v0"
|
||||
"github.com/kubernetes-csi/drivers/pkg/csi-common"
|
||||
|
||||
@ -56,94 +51,6 @@ var (
|
||||
version = "0.3.0"
|
||||
)
|
||||
|
||||
var rbdVolumes map[string]*rbdVolume
|
||||
var rbdSnapshots map[string]*rbdSnapshot
|
||||
|
||||
// Init checks for the persistent volume file and loads all found volumes
|
||||
// into a memory structure
|
||||
func init() {
|
||||
rbdVolumes = map[string]*rbdVolume{}
|
||||
rbdSnapshots = map[string]*rbdSnapshot{}
|
||||
if _, err := os.Stat(path.Join(PluginFolder, "controller")); os.IsNotExist(err) {
|
||||
glog.Infof("rbd: folder %s not found. Creating... \n", path.Join(PluginFolder, "controller"))
|
||||
if err := os.Mkdir(path.Join(PluginFolder, "controller"), 0755); err != nil {
|
||||
glog.Fatalf("Failed to create a controller's volumes folder with error: %v\n", err)
|
||||
}
|
||||
} else {
|
||||
// Since "controller" folder exists, it means the rbdplugin has already been running, it means
|
||||
// there might be some volumes left, they must be re-inserted into rbdVolumes map
|
||||
loadExVolumes()
|
||||
}
|
||||
if _, err := os.Stat(path.Join(PluginFolder, "controller-snap")); os.IsNotExist(err) {
|
||||
glog.Infof("rbd: folder %s not found. Creating... \n", path.Join(PluginFolder, "controller-snap"))
|
||||
if err := os.Mkdir(path.Join(PluginFolder, "controller-snap"), 0755); err != nil {
|
||||
glog.Fatalf("Failed to create a controller's snapshots folder with error: %v\n", err)
|
||||
}
|
||||
} else {
|
||||
// Since "controller-snap" folder exists, it means the rbdplugin has already been running, it means
|
||||
// there might be some snapshots left, they must be re-inserted into rbdSnapshots map
|
||||
loadExSnapshots()
|
||||
}
|
||||
}
|
||||
|
||||
// loadExSnapshots check for any *.json files in the PluginFolder/controller-snap folder
|
||||
// and loads then into rbdSnapshots map
|
||||
func loadExSnapshots() {
|
||||
rbdSnap := rbdSnapshot{}
|
||||
files, err := ioutil.ReadDir(path.Join(PluginFolder, "controller-snap"))
|
||||
if err != nil {
|
||||
glog.Infof("rbd: failed to read controller's snapshots folder: %s error:%v", path.Join(PluginFolder, "controller-snap"), err)
|
||||
return
|
||||
}
|
||||
for _, f := range files {
|
||||
if !strings.HasSuffix(f.Name(), ".json") {
|
||||
continue
|
||||
}
|
||||
fp, err := os.Open(path.Join(PluginFolder, "controller-snap", f.Name()))
|
||||
if err != nil {
|
||||
glog.Infof("rbd: open file: %s err %%v", f.Name(), err)
|
||||
continue
|
||||
}
|
||||
decoder := json.NewDecoder(fp)
|
||||
if err = decoder.Decode(&rbdSnap); err != nil {
|
||||
glog.Infof("rbd: decode file: %s err: %v", f.Name(), err)
|
||||
fp.Close()
|
||||
continue
|
||||
}
|
||||
rbdSnapshots[rbdSnap.SnapID] = &rbdSnap
|
||||
}
|
||||
glog.Infof("rbd: Loaded %d snapshots from %s", len(rbdSnapshots), path.Join(PluginFolder, "controller-snap"))
|
||||
}
|
||||
|
||||
// loadExVolumes check for any *.json files in the PluginFolder/controller folder
|
||||
// and loads then into rbdVolumes map
|
||||
func loadExVolumes() {
|
||||
rbdVol := rbdVolume{}
|
||||
files, err := ioutil.ReadDir(path.Join(PluginFolder, "controller"))
|
||||
if err != nil {
|
||||
glog.Infof("rbd: failed to read controller's volumes folder: %s error:%v", path.Join(PluginFolder, "controller"), err)
|
||||
return
|
||||
}
|
||||
for _, f := range files {
|
||||
if !strings.HasSuffix(f.Name(), ".json") {
|
||||
continue
|
||||
}
|
||||
fp, err := os.Open(path.Join(PluginFolder, "controller", f.Name()))
|
||||
if err != nil {
|
||||
glog.Infof("rbd: open file: %s err %%v", f.Name(), err)
|
||||
continue
|
||||
}
|
||||
decoder := json.NewDecoder(fp)
|
||||
if err = decoder.Decode(&rbdVol); err != nil {
|
||||
glog.Infof("rbd: decode file: %s err: %v", f.Name(), err)
|
||||
fp.Close()
|
||||
continue
|
||||
}
|
||||
rbdVolumes[rbdVol.VolID] = &rbdVol
|
||||
}
|
||||
glog.Infof("rbd: Loaded %d volumes from %s", len(rbdVolumes), path.Join(PluginFolder, "controller"))
|
||||
}
|
||||
|
||||
func GetRBDDriver() *rbd {
|
||||
return &rbd{}
|
||||
}
|
||||
@ -154,9 +61,10 @@ func NewIdentityServer(d *csicommon.CSIDriver) *identityServer {
|
||||
}
|
||||
}
|
||||
|
||||
func NewControllerServer(d *csicommon.CSIDriver) *controllerServer {
|
||||
func NewControllerServer(d *csicommon.CSIDriver, cachePersister util.CachePersister) *controllerServer {
|
||||
return &controllerServer{
|
||||
DefaultControllerServer: csicommon.NewDefaultControllerServer(d),
|
||||
MetadataStore: cachePersister,
|
||||
}
|
||||
}
|
||||
|
||||
@ -175,7 +83,7 @@ func NewNodeServer(d *csicommon.CSIDriver, containerized bool) (*nodeServer, err
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (rbd *rbd) Run(driverName, nodeID, endpoint string, containerized bool) {
|
||||
func (rbd *rbd) Run(driverName, nodeID, endpoint string, containerized bool, cachePersister util.CachePersister) {
|
||||
var err error
|
||||
glog.Infof("Driver: %v version: %v", driverName, version)
|
||||
|
||||
@ -198,7 +106,10 @@ func (rbd *rbd) Run(driverName, nodeID, endpoint string, containerized bool) {
|
||||
if err != nil {
|
||||
glog.Fatalln("failed to start node server, err %v", err)
|
||||
}
|
||||
rbd.cs = NewControllerServer(rbd.driver)
|
||||
|
||||
rbd.cs = NewControllerServer(rbd.driver, cachePersister)
|
||||
rbd.cs.LoadExDataFromMetadataStore()
|
||||
|
||||
s := csicommon.NewNonBlockingGRPCServer()
|
||||
s.Start(endpoint, rbd.ids, rbd.cs, rbd.ns)
|
||||
s.Wait()
|
||||
|
@ -17,11 +17,8 @@ limitations under the License.
|
||||
package rbd
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"os/exec"
|
||||
"path"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
@ -316,95 +313,6 @@ func hasSnapshotFeature(imageFeatures string) bool {
|
||||
return false
|
||||
}
|
||||
|
||||
func persistVolInfo(image string, persistentStoragePath string, volInfo *rbdVolume) error {
|
||||
file := path.Join(persistentStoragePath, image+".json")
|
||||
fp, err := os.Create(file)
|
||||
if err != nil {
|
||||
glog.Errorf("rbd: failed to create persistent storage file %s with error: %v\n", file, err)
|
||||
return errors.Wrapf(err, "rbd: create error for %s", file)
|
||||
}
|
||||
defer fp.Close()
|
||||
encoder := json.NewEncoder(fp)
|
||||
if err = encoder.Encode(volInfo); err != nil {
|
||||
glog.Errorf("rbd: failed to encode volInfo: %+v for file: %s with error: %v\n", volInfo, file, err)
|
||||
return errors.Wrap(err, "rbd: encode error")
|
||||
}
|
||||
glog.Infof("rbd: successfully saved volInfo: %+v into file: %s\n", volInfo, file)
|
||||
return nil
|
||||
}
|
||||
|
||||
func loadVolInfo(image string, persistentStoragePath string, volInfo *rbdVolume) error {
|
||||
file := path.Join(persistentStoragePath, image+".json")
|
||||
fp, err := os.Open(file)
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "rbd: open error for %s", file)
|
||||
}
|
||||
defer fp.Close()
|
||||
|
||||
decoder := json.NewDecoder(fp)
|
||||
if err = decoder.Decode(volInfo); err != nil {
|
||||
return errors.Wrap(err, "rbd: decode error")
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func deleteVolInfo(image string, persistentStoragePath string) error {
|
||||
file := path.Join(persistentStoragePath, image+".json")
|
||||
glog.Infof("rbd: Deleting file for Volume: %s at: %s resulting path: %+v\n", image, persistentStoragePath, file)
|
||||
err := os.Remove(file)
|
||||
if err != nil {
|
||||
if err != os.ErrNotExist {
|
||||
return errors.Wrapf(err, "rbd: error removing file %s", file)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func persistSnapInfo(snapshot string, persistentStoragePath string, snapInfo *rbdSnapshot) error {
|
||||
file := path.Join(persistentStoragePath, snapshot+".json")
|
||||
fp, err := os.Create(file)
|
||||
if err != nil {
|
||||
glog.Errorf("rbd: failed to create persistent storage file %s with error: %v\n", file, err)
|
||||
return errors.Wrapf(err, "rbd: create error for %s", file)
|
||||
}
|
||||
defer fp.Close()
|
||||
encoder := json.NewEncoder(fp)
|
||||
if err = encoder.Encode(snapInfo); err != nil {
|
||||
glog.Errorf("rbd: failed to encode snapInfo: %+v for file: %s with error: %v\n", snapInfo, file, err)
|
||||
return errors.Wrap(err, "rbd: encode error")
|
||||
}
|
||||
glog.Infof("rbd: successfully saved snapInfo: %+v into file: %s\n", snapInfo, file)
|
||||
return nil
|
||||
}
|
||||
|
||||
func loadSnapInfo(snapshot string, persistentStoragePath string, snapInfo *rbdSnapshot) error {
|
||||
file := path.Join(persistentStoragePath, snapshot+".json")
|
||||
fp, err := os.Open(file)
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "rbd: open error for %s", file)
|
||||
}
|
||||
defer fp.Close()
|
||||
|
||||
decoder := json.NewDecoder(fp)
|
||||
if err = decoder.Decode(snapInfo); err != nil {
|
||||
return errors.Wrap(err, "rbd: decode error")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func deleteSnapInfo(snapshot string, persistentStoragePath string) error {
|
||||
file := path.Join(persistentStoragePath, snapshot+".json")
|
||||
glog.Infof("rbd: Deleting file for Snapshot: %s at: %s resulting path: %+v\n", snapshot, persistentStoragePath, file)
|
||||
err := os.Remove(file)
|
||||
if err != nil {
|
||||
if err != os.ErrNotExist {
|
||||
return errors.Wrapf(err, "rbd: error removing file %s", file)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func getRBDVolumeByID(volumeID string) (*rbdVolume, error) {
|
||||
if rbdVol, ok := rbdVolumes[volumeID]; ok {
|
||||
return rbdVol, nil
|
||||
|
52
pkg/util/cachepersister.go
Normal file
52
pkg/util/cachepersister.go
Normal file
@ -0,0 +1,52 @@
|
||||
/*
|
||||
Copyright 2018 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 util
|
||||
|
||||
import (
|
||||
"errors"
|
||||
|
||||
"github.com/golang/glog"
|
||||
)
|
||||
|
||||
const (
|
||||
PluginFolder = "/var/lib/kubelet/plugins"
|
||||
)
|
||||
|
||||
type ForAllFunc func(identifier string) error
|
||||
|
||||
type CachePersister interface {
|
||||
Create(identifier string, data interface{}) error
|
||||
Get(identifier string, data interface{}) error
|
||||
ForAll(pattern string, destObj interface{}, f ForAllFunc) error
|
||||
Delete(identifier string) error
|
||||
}
|
||||
|
||||
func NewCachePersister(metadataStore string, driverName string) (CachePersister, error) {
|
||||
if metadataStore == "k8s_configmap" {
|
||||
glog.Infof("cache-perister: using kubernetes configmap as metadata cache persister")
|
||||
k8scm := &K8sCMCache{}
|
||||
k8scm.Client = NewK8sClient()
|
||||
k8scm.Namespace = GetK8sNamespace()
|
||||
return k8scm, nil
|
||||
} else if metadataStore == "node" {
|
||||
glog.Infof("cache-persister: using node as metadata cache persister")
|
||||
nc := &NodeCache{}
|
||||
nc.BasePath = PluginFolder + "/" + driverName
|
||||
return nc, nil
|
||||
}
|
||||
return nil, errors.New("cache-persister: couldn't parse metadatastorage flag")
|
||||
}
|
172
pkg/util/k8scmcache.go
Normal file
172
pkg/util/k8scmcache.go
Normal file
@ -0,0 +1,172 @@
|
||||
/*
|
||||
Copyright 2018 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 util
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os"
|
||||
"regexp"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"github.com/pkg/errors"
|
||||
|
||||
"k8s.io/api/core/v1"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
k8s "k8s.io/client-go/kubernetes"
|
||||
apierrs "k8s.io/apimachinery/pkg/api/errors"
|
||||
"k8s.io/client-go/rest"
|
||||
"k8s.io/client-go/tools/clientcmd"
|
||||
)
|
||||
|
||||
type K8sCMCache struct {
|
||||
Client *k8s.Clientset
|
||||
Namespace string
|
||||
}
|
||||
|
||||
const (
|
||||
defaultNamespace = "default"
|
||||
|
||||
cmLabel = "csi-metadata"
|
||||
cmDataKey = "content"
|
||||
|
||||
csiMetadataLabelAttr = "com.ceph.ceph-csi/metadata"
|
||||
)
|
||||
|
||||
func GetK8sNamespace() string {
|
||||
namespace := os.Getenv("POD_NAMESPACE")
|
||||
if namespace == "" {
|
||||
return defaultNamespace
|
||||
}
|
||||
return namespace
|
||||
}
|
||||
|
||||
func NewK8sClient() *k8s.Clientset {
|
||||
var cfg *rest.Config
|
||||
var err error
|
||||
cPath := os.Getenv("KUBERNETES_CONFIG_PATH")
|
||||
if cPath != "" {
|
||||
cfg, err = clientcmd.BuildConfigFromFlags("", cPath)
|
||||
if err != nil {
|
||||
glog.Errorf("Failed to get cluster config with error: %v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
} else {
|
||||
cfg, err = rest.InClusterConfig()
|
||||
if err != nil {
|
||||
glog.Errorf("Failed to get cluster config with error: %v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
client, err := k8s.NewForConfig(cfg)
|
||||
if err != nil {
|
||||
glog.Errorf("Failed to create client with error: %v\n", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
return client
|
||||
}
|
||||
|
||||
func (k8scm *K8sCMCache) getMetadataCM(resourceID string) (*v1.ConfigMap, error) {
|
||||
cm, err := k8scm.Client.CoreV1().ConfigMaps(k8scm.Namespace).Get(resourceID, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return cm, nil
|
||||
}
|
||||
|
||||
func (k8scm *K8sCMCache) ForAll(pattern string, destObj interface{}, f ForAllFunc) error {
|
||||
listOpts := metav1.ListOptions{LabelSelector: fmt.Sprintf("%s=%s", csiMetadataLabelAttr, cmLabel)}
|
||||
cms, err := k8scm.Client.CoreV1().ConfigMaps(k8scm.Namespace).List(listOpts)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "k8s-cm-cache: failed to list metadata configmaps")
|
||||
}
|
||||
|
||||
for _, cm := range cms.Items {
|
||||
data := cm.Data[cmDataKey]
|
||||
match, err := regexp.MatchString(pattern, cm.ObjectMeta.Name)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
if !match {
|
||||
continue
|
||||
}
|
||||
if err := json.Unmarshal([]byte(data), destObj); err != nil {
|
||||
return errors.Wrap(err, "k8s-cm-cache: unmarshal error")
|
||||
}
|
||||
if err = f(cm.ObjectMeta.Name); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (k8scm *K8sCMCache) Create(identifier string, data interface{}) error {
|
||||
cm, err := k8scm.getMetadataCM(identifier)
|
||||
if cm != nil && err == nil {
|
||||
glog.V(4).Infof("k8s-cm-cache: configmap already exists, skipping configmap creation")
|
||||
return nil
|
||||
} else {
|
||||
dataJson, err := json.Marshal(data)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "k8s-cm-cache: marshal error")
|
||||
}
|
||||
cm := &v1.ConfigMap{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: identifier,
|
||||
Namespace: k8scm.Namespace,
|
||||
Labels: map[string]string{
|
||||
csiMetadataLabelAttr: cmLabel,
|
||||
},
|
||||
},
|
||||
Data: map[string]string{},
|
||||
}
|
||||
cm.Data[cmDataKey] = string(dataJson)
|
||||
|
||||
_, err = k8scm.Client.CoreV1().ConfigMaps(k8scm.Namespace).Create(cm)
|
||||
if err != nil {
|
||||
if apierrs.IsAlreadyExists(err) {
|
||||
glog.V(4).Infof("k8s-cm-cache: configmap already exists")
|
||||
return nil
|
||||
}
|
||||
return errors.Wrapf(err, "k8s-cm-cache: couldn't persist %s metadata as configmap", identifier)
|
||||
}
|
||||
|
||||
}
|
||||
glog.V(4).Infof("k8s-cm-cache: configmap %s successfully created\n", identifier)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (k8scm *K8sCMCache) Get(identifier string, data interface{}) error {
|
||||
cm, err := k8scm.getMetadataCM(identifier)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = json.Unmarshal([]byte(cm.Data[cmDataKey]), data)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "k8s-cm-cache: unmarshal error")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (k8scm *K8sCMCache) Delete(identifier string) error {
|
||||
err := k8scm.Client.CoreV1().ConfigMaps(k8scm.Namespace).Delete(identifier, nil)
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "k8s-cm-cache: couldn't delete metadata configmap %s", identifier)
|
||||
}
|
||||
glog.V(4).Infof("k8s-cm-cache: successfully deleted metadata configmap %s", identifier)
|
||||
return nil
|
||||
}
|
124
pkg/util/nodecache.go
Normal file
124
pkg/util/nodecache.go
Normal file
@ -0,0 +1,124 @@
|
||||
/*
|
||||
Copyright 2018 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 util
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path"
|
||||
"path/filepath"
|
||||
"regexp"
|
||||
"strings"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"github.com/pkg/errors"
|
||||
)
|
||||
|
||||
type NodeCache struct {
|
||||
BasePath string
|
||||
}
|
||||
|
||||
var cacheDir = "controller"
|
||||
|
||||
func (nc *NodeCache) EnsureCacheDirectory(cacheDir string) error {
|
||||
fullPath := path.Join(nc.BasePath, cacheDir)
|
||||
if _, err := os.Stat(fullPath); os.IsNotExist(err) {
|
||||
if err := os.Mkdir(fullPath, 0755); err != nil {
|
||||
return errors.Wrapf(err, "node-cache: failed to create %s folder with error: %v", fullPath, err)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (nc *NodeCache) ForAll(pattern string, destObj interface{}, f ForAllFunc) error {
|
||||
err := nc.EnsureCacheDirectory(cacheDir)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "node-cache: couldn't ensure cache directory exists")
|
||||
}
|
||||
files, err := ioutil.ReadDir(path.Join(nc.BasePath, cacheDir))
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "node-cache: failed to read %s folder", nc.BasePath)
|
||||
}
|
||||
|
||||
for _, file := range files {
|
||||
match, err := regexp.MatchString(pattern, file.Name())
|
||||
if err != nil || !match {
|
||||
continue
|
||||
}
|
||||
if !strings.HasSuffix(file.Name(), ".json") {
|
||||
continue
|
||||
}
|
||||
fp, err := os.Open(path.Join(nc.BasePath, cacheDir, file.Name()))
|
||||
if err != nil {
|
||||
glog.Infof("node-cache: open file: %s err %%v", file.Name(), err)
|
||||
continue
|
||||
}
|
||||
decoder := json.NewDecoder(fp)
|
||||
if err = decoder.Decode(destObj); err != nil {
|
||||
fp.Close()
|
||||
return errors.Wrapf(err, "node-cache: couldn't decode file %s", file.Name())
|
||||
}
|
||||
if err := f(strings.TrimSuffix(file.Name(), filepath.Ext(file.Name()))); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (nc *NodeCache) Create(identifier string, data interface{}) error {
|
||||
file := path.Join(nc.BasePath, cacheDir, identifier+".json")
|
||||
fp, err := os.Create(file)
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "node-cache: failed to create metadata storage file %s\n", file)
|
||||
}
|
||||
defer fp.Close()
|
||||
encoder := json.NewEncoder(fp)
|
||||
if err = encoder.Encode(data); err != nil {
|
||||
return errors.Wrapf(err, "node-cache: failed to encode metadata for file: %s\n", file)
|
||||
}
|
||||
glog.V(4).Infof("node-cache: successfully saved metadata into file: %s\n", file)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (nc *NodeCache) Get(identifier string, data interface{}) error {
|
||||
file := path.Join(nc.BasePath, cacheDir, identifier+".json")
|
||||
fp, err := os.Open(file)
|
||||
if err != nil {
|
||||
return errors.Wrapf(err, "node-cache: open error for %s", file)
|
||||
}
|
||||
defer fp.Close()
|
||||
|
||||
decoder := json.NewDecoder(fp)
|
||||
if err = decoder.Decode(data); err != nil {
|
||||
return errors.Wrap(err, "rbd: decode error")
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (nc *NodeCache) Delete(identifier string) error {
|
||||
file := path.Join(nc.BasePath, cacheDir, identifier+".json")
|
||||
err := os.Remove(file)
|
||||
if err != nil {
|
||||
if err != os.ErrNotExist {
|
||||
return errors.Wrapf(err, "node-cache: error removing file %s", file)
|
||||
}
|
||||
}
|
||||
glog.V(4).Infof("node-cache: successfully deleted metadata storage file at: %+v\n", file)
|
||||
return nil
|
||||
}
|
23
rbd/main.go
23
rbd/main.go
@ -22,6 +22,7 @@ import (
|
||||
"path"
|
||||
|
||||
"github.com/ceph/ceph-csi/pkg/rbd"
|
||||
"github.com/ceph/ceph-csi/pkg/util"
|
||||
"github.com/golang/glog"
|
||||
)
|
||||
|
||||
@ -30,10 +31,11 @@ func init() {
|
||||
}
|
||||
|
||||
var (
|
||||
endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
|
||||
driverName = flag.String("drivername", "csi-rbdplugin", "name of the driver")
|
||||
nodeID = flag.String("nodeid", "", "node id")
|
||||
containerized = flag.Bool("containerized", true, "whether run as containerized")
|
||||
endpoint = flag.String("endpoint", "unix://tmp/csi.sock", "CSI endpoint")
|
||||
driverName = flag.String("drivername", "csi-rbdplugin", "name of the driver")
|
||||
nodeID = flag.String("nodeid", "", "node id")
|
||||
containerized = flag.Bool("containerized", true, "whether run as containerized")
|
||||
metadataStorage = flag.String("metadatastorage", "", "metadata persistence method [node|k8s_configmap]")
|
||||
)
|
||||
|
||||
func main() {
|
||||
@ -48,13 +50,16 @@ func main() {
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
handle()
|
||||
os.Exit(0)
|
||||
}
|
||||
cp, err := util.NewCachePersister(*metadataStorage, *driverName)
|
||||
if err != nil {
|
||||
glog.Errorf("failed to define cache persistence method: %v", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func handle() {
|
||||
driver := rbd.GetRBDDriver()
|
||||
driver.Run(*driverName, *nodeID, *endpoint, *containerized)
|
||||
driver.Run(*driverName, *nodeID, *endpoint, *containerized, cp)
|
||||
|
||||
os.Exit(0)
|
||||
}
|
||||
|
||||
func createPersistentStorage(persistentStoragePath string) error {
|
||||
|
Loading…
Reference in New Issue
Block a user