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Format RBD volumes with nodiscard
formatting options.
Currently rbd CSI plugin uses formatAndMount of
mount.SafeFormatAndMount. This does not allow to pass or use
specific formatting arguments with it. This patch introduce
RBD specific formatting options with both xfs and ext4,
for example: -E no-discard with ext4 and -k option with
XFS to boost formatting performance of RBD device.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
(cherry picked from commit 0e6617e1ff
)
This commit is contained in:
parent
61db816a89
commit
d1c8cce659
12
e2e/rbd.go
12
e2e/rbd.go
@ -65,7 +65,7 @@ var _ = Describe("RBD", func() {
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createRBDPool()
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createConfigMap(rbdDirPath, f.ClientSet, f)
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deployRBDPlugin()
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createRBDStorageClass(f.ClientSet, f)
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createRBDStorageClass(f.ClientSet, f, make(map[string]string))
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createRBDSecret(f.ClientSet, f)
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})
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@ -115,6 +115,16 @@ var _ = Describe("RBD", func() {
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By("create a PVC and Bind it to an app with normal user", func() {
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validateNormalUserPVCAccess(pvcPath, f)
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})
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// Skipping ext4 FS testing
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By("create a PVC and Bind it to an app with ext4 as the FS ", func() {
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deleteResource(rbdExamplePath + "storageclass.yaml")
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createRBDStorageClass(f.ClientSet, f, map[string]string{"csi.storage.k8s.io/fstype": "ext4"})
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validatePVCAndAppBinding(pvcPath, appPath, f)
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deleteResource(rbdExamplePath + "storageclass.yaml")
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createRBDStorageClass(f.ClientSet, f, make(map[string]string))
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})
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// skipping snapshot testing
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// By("create a PVC clone and Bind it to an app", func() {
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@ -213,7 +213,7 @@ func createCephfsStorageClass(c kubernetes.Interface, f *framework.Framework, en
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Expect(err).Should(BeNil())
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}
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func createRBDStorageClass(c kubernetes.Interface, f *framework.Framework) {
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func createRBDStorageClass(c kubernetes.Interface, f *framework.Framework, parameters map[string]string) {
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scPath := fmt.Sprintf("%s/%s", rbdExamplePath, "storageclass.yaml")
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sc := getStorageClass(scPath)
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sc.Parameters["pool"] = "replicapool"
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@ -226,6 +226,9 @@ func createRBDStorageClass(c kubernetes.Interface, f *framework.Framework) {
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fsID = strings.Trim(fsID, "\n")
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sc.Parameters["clusterID"] = fsID
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for k, v := range parameters {
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sc.Parameters[k] = v
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}
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_, err := c.StorageV1().StorageClasses().Create(&sc)
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Expect(err).Should(BeNil())
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}
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@ -313,9 +313,27 @@ func (ns *NodeServer) mountVolumeToStagePath(ctx context.Context, req *csi.NodeS
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// Publish Path
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fsType := req.GetVolumeCapability().GetMount().GetFsType()
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diskMounter := &mount.SafeFormatAndMount{Interface: ns.mounter, Exec: mount.NewOsExec()}
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existingFormat, err := diskMounter.GetDiskFormat(devicePath)
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if err != nil {
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klog.Errorf(util.Log(ctx, "failed to get disk format for path %s, error: %v"), devicePath, err)
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return err
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}
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if existingFormat == "" && (fsType == "ext4" || fsType == "xfs") {
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args := []string{}
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if fsType == "ext4" {
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args = []string{"-m0", "-Enodiscard", devicePath}
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} else if fsType == "xfs" {
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args = []string{"-K", devicePath}
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}
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_, err = diskMounter.Exec.Run("mkfs."+fsType, args...)
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if err != nil {
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klog.Errorf(util.Log(ctx, "failed to run mkfs, error: %v"), err)
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return err
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}
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}
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opt := []string{}
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isBlock := req.GetVolumeCapability().GetBlock() != nil
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var err error
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if isBlock {
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opt = append(opt, "bind")
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