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coco.go
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coco.go
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package oss
import (
"context"
"encoding/json"
"fmt"
"strings"
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/kubernetes-sigs/alibaba-cloud-csi-driver/pkg/utils/kata/directvolume"
log "github.com/sirupsen/logrus"
)
const (
optDirectAssigned = "direct"
optAnnotations = "annotations"
optEncrypted = "encrypted"
optEncPasswd = "encPasswd"
optKmsKeyId = "kmsKeyId"
fsTypeSecureMount = "secure_mount"
volumeTypeOSS = "alibaba-cloud-oss"
sealedSecretPrefix = "sealed."
)
func (ns *nodeServer) publishDirectVolume(ctx context.Context, req *csi.NodePublishVolumeRequest, opt *Options) (*csi.NodePublishVolumeResponse, error) {
logger := log.WithFields(map[string]interface{}{
"NodeServer": "OSSNodeServer",
"VolumeId": req.VolumeId,
"TargetPath": req.TargetPath,
})
volumePath := req.TargetPath
if isDirectVolumePath(volumePath) {
logger.Infof("NodePublishVolume: The mount info for DirectVolume is already exist: %s", volumePath)
return &csi.NodePublishVolumeResponse{}, nil
}
device := req.TargetPath
volumeType := volumeTypeOSS
fsType := fsTypeSecureMount
var encrypted, encPasswd, kmsKeyId string
annotationsObj := map[string]string{}
if v := req.Secrets[optEncPasswd]; v != "" {
encPasswd = v
}
for key, value := range req.VolumeContext {
switch key {
case optEncrypted:
encrypted = strings.TrimSpace(value)
case optEncPasswd:
encPasswd = strings.TrimSpace(value)
case optKmsKeyId:
kmsKeyId = strings.TrimSpace(value)
case optAnnotations:
json.Unmarshal([]byte(value), &annotationsObj)
}
}
if annotationsObj["kata_fs_type"] != "" {
fsType = annotationsObj["kata_fs_type"]
}
if annotationsObj["kata_volume_type"] != "" {
volumeType = annotationsObj["kata_volume_type"]
}
if annotationsObj["kata_device"] != "" {
device = annotationsObj["kata_device"]
}
annotations, _ := json.Marshal(annotationsObj)
annotationsStr := string(annotations)
if len(annotations) == 0 || annotationsStr == "null" || annotationsStr == "" {
annotationsStr = "{}"
}
metadata := map[string]string{
"bucket": opt.Bucket,
"url": opt.URL,
"otherOpts": opt.OtherOpts,
"path": opt.Path,
"encrypted": encrypted,
"kmsKeyId": kmsKeyId,
"annotations": annotationsStr,
"volumeId": req.GetVolumeId(),
"readonly": fmt.Sprintf("%v", req.Readonly),
"targetPath": req.GetTargetPath(),
}
if opt.AkSecret != "" && strings.HasPrefix(opt.AkSecret, sealedSecretPrefix) {
metadata[AkID] = opt.AkID
metadata[AkSecret] = opt.AkSecret
}
if encPasswd != "" && strings.HasPrefix(encPasswd, sealedSecretPrefix) {
metadata[optEncPasswd] = encPasswd
}
mountInfo := directvolume.MountInfo{
VolumeType: volumeType,
Device: device,
FsType: fsType,
Metadata: metadata,
Options: strings.Fields(opt.OtherOpts),
}
logger.Info("NodePublishVolume:: Starting add mount info for DirectVolume")
err := directvolume.AddMountInfo(volumePath, mountInfo)
if err != nil {
logger.Errorf("NodePublishVolume:: Add mount info for DirectVolume failed: %v", err)
return nil, err
}
logger.Info("NodePublishVolume:: Add mount info for DirectVolume is successfully")
return &csi.NodePublishVolumeResponse{}, nil
}
func (ns *nodeServer) unPublishDirectVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
logger := log.WithFields(map[string]interface{}{
"NodeServer": "OSSNodeServer",
"VolumeId": req.VolumeId,
"TargetPath": req.TargetPath,
})
volumePath := req.TargetPath
err := directvolume.Remove(volumePath)
if err != nil {
logger.Errorf("NodeUnPublishVolume:: Remove mount info for DirectVolume failed: %v", err)
return nil, err
}
logger.Info("NodeUnPublishVolume:: Remove mount info for DirectVolume is successfully")
return &csi.NodeUnpublishVolumeResponse{}, nil
}
func isDirectVolumePath(volumePath string) bool {
_, err := directvolume.VolumeMountInfo(volumePath)
if err != nil {
return false
}
return true
}