mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-20 07:29:50 +00:00
149 lines
3.8 KiB
Go
149 lines
3.8 KiB
Go
/*
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Copyright 2017 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 iscsi
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"k8s.io/kubernetes/pkg/util/mount"
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"k8s.io/kubernetes/pkg/volume/util"
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)
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func getISCSIInfo(req *csi.NodePublishVolumeRequest) (*iscsiDisk, error) {
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volName := req.GetVolumeId()
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tp := req.GetVolumeAttributes()["targetPortal"]
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iqn := req.GetVolumeAttributes()["iqn"]
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lun := req.GetVolumeAttributes()["lun"]
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if tp == "" || iqn == "" || lun == "" {
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return nil, fmt.Errorf("iSCSI target information is missing")
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}
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portalList := req.GetVolumeAttributes()["portals"]
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secretParams := req.GetVolumeAttributes()["secret"]
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secret := parseSecret(secretParams)
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portal := portalMounter(tp)
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var bkportal []string
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bkportal = append(bkportal, portal)
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portals := []string{}
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if err := json.Unmarshal([]byte(portalList), &portals); err != nil {
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return nil, err
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}
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for _, portal := range portals {
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bkportal = append(bkportal, portalMounter(string(portal)))
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}
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iface := req.GetVolumeAttributes()["iscsiInterface"]
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initiatorName := req.GetVolumeAttributes()["initiatorName"]
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chapDiscovery := false
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if req.GetVolumeAttributes()["discoveryCHAPAuth"] == "true" {
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chapDiscovery = true
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}
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chapSession := false
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if req.GetVolumeAttributes()["sessionCHAPAuth"] == "true" {
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chapSession = true
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}
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return &iscsiDisk{
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VolName: volName,
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Portals: bkportal,
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Iqn: iqn,
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lun: lun,
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Iface: iface,
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chap_discovery: chapDiscovery,
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chap_session: chapSession,
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secret: secret,
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InitiatorName: initiatorName}, nil
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}
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func getISCSIDiskMounter(iscsiInfo *iscsiDisk, req *csi.NodePublishVolumeRequest) *iscsiDiskMounter {
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readOnly := req.GetReadonly()
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fsType := req.GetVolumeCapability().GetMount().GetFsType()
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mountOptions := req.GetVolumeCapability().GetMount().GetMountFlags()
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return &iscsiDiskMounter{
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iscsiDisk: iscsiInfo,
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fsType: fsType,
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readOnly: readOnly,
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mountOptions: mountOptions,
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mounter: &mount.SafeFormatAndMount{Interface: mount.New(""), Exec: mount.NewOsExec()},
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exec: mount.NewOsExec(),
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targetPath: req.GetTargetPath(),
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deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
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}
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}
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func getISCSIDiskUnmounter(req *csi.NodeUnpublishVolumeRequest) *iscsiDiskUnmounter {
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return &iscsiDiskUnmounter{
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iscsiDisk: &iscsiDisk{
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VolName: req.GetVolumeId(),
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},
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mounter: mount.New(""),
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exec: mount.NewOsExec(),
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}
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}
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func portalMounter(portal string) string {
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if !strings.Contains(portal, ":") {
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portal = portal + ":3260"
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}
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return portal
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}
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func parseSecret(secretParams string) map[string]string {
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var secret map[string]string
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if err := json.Unmarshal([]byte(secretParams), &secret); err != nil {
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return nil
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}
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return secret
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}
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type iscsiDisk struct {
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Portals []string
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Iqn string
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lun string
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Iface string
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chap_discovery bool
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chap_session bool
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secret map[string]string
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InitiatorName string
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VolName string
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}
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type iscsiDiskMounter struct {
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*iscsiDisk
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readOnly bool
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fsType string
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mountOptions []string
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mounter *mount.SafeFormatAndMount
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exec mount.Exec
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deviceUtil util.DeviceUtil
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targetPath string
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}
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type iscsiDiskUnmounter struct {
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*iscsiDisk
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mounter mount.Interface
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exec mount.Exec
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}
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