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cephfs: check stderror for CLI commands

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currently in someplaces we are checking the stderror
for CLI errors and insome places we are checking for
just error. This commit fixes the issue by checking
the stderror for actual CLI errors.

Co-authored-by: Yug <yuggupta27@gmail.com>
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2020-11-06 08:27:37 +05:30 committed by Madhu Rajanna
parent eaf0058c31
commit 75d190f430
5 changed files with 42 additions and 34 deletions
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9
internal/cephfs/cephfs_util.go
View File

@ -38,7 +38,7 @@ func getFscID(ctx context.Context, monitors string, cr *util.Credentials, fsName
// ceph fs get myfs --format=json
// {"mdsmap":{...},"id":2}
var fsDetails CephFilesystemDetails
err := execCommandJSON(ctx, &fsDetails,
stdErr, err := execCommandJSON(ctx, &fsDetails,
"ceph",
"-m", monitors,
"--id", cr.ID,
@ -47,6 +47,7 @@ func getFscID(ctx context.Context, monitors string, cr *util.Credentials, fsName
"fs", "get", fsName, "--format=json",
)
if err != nil {
util.ErrorLog(ctx, "failed to get filesystem details %s with Error: %v. stdError: %s", fsName, err, stdErr)
return 0, err
}
@ -66,7 +67,7 @@ func getMetadataPool(ctx context.Context, monitors string, cr *util.Credentials,
// ./tbox ceph fs ls --format=json
// [{"name":"myfs","metadata_pool":"myfs-metadata","metadata_pool_id":4,...},...]
var filesystems []CephFilesystem
err := execCommandJSON(ctx, &filesystems,
stdErr, err := execCommandJSON(ctx, &filesystems,
"ceph",
"-m", monitors,
"--id", cr.ID,
@ -75,6 +76,7 @@ func getMetadataPool(ctx context.Context, monitors string, cr *util.Credentials,
"fs", "ls", "--format=json",
)
if err != nil {
util.ErrorLog(ctx, "failed to list filesystem with Error: %v. stdError: %s", err, stdErr)
return "", err
}
@ -96,7 +98,7 @@ func getFsName(ctx context.Context, monitors string, cr *util.Credentials, fscID
// ./tbox ceph fs dump --format=json
// JSON: {...,"filesystems":[{"mdsmap":{},"id":<n>},...],...}
var fsDump CephFilesystemDump
err := execCommandJSON(ctx, &fsDump,
stdErr, err := execCommandJSON(ctx, &fsDump,
"ceph",
"-m", monitors,
"--id", cr.ID,
@ -105,6 +107,7 @@ func getFsName(ctx context.Context, monitors string, cr *util.Credentials, fscID
"fs", "dump", "--format=json",
)
if err != nil {
util.ErrorLog(ctx, "failed to dump filesystem details with Error: %v. stdError: %s", err, stdErr)
return "", err
}

4
internal/cephfs/clone.go
View File

@ -211,13 +211,13 @@ func getCloneInfo(ctx context.Context, volOptions *volumeOptions, cr *util.Crede
"--keyfile=" + cr.KeyFile,
"--format=json",
}
err := execCommandJSON(
stdErr, err := execCommandJSON(
ctx,
&clone,
"ceph",
args[:]...)
if err != nil {
util.ErrorLog(ctx, "failed to get subvolume clone info %s(%s) in fs %s", string(volID), err, volOptions.FsName)
util.ErrorLog(ctx, "failed to get subvolume clone info %s in fs %s with Error: %v. stdError: %s", string(volID), volOptions.FsName, err, stdErr)
return clone, err
}
return clone, nil

32
internal/cephfs/snapshot.go
View File

@ -60,12 +60,12 @@ func createSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.Cre
"--keyfile=" + cr.KeyFile,
}
err := execCommandErr(
stdErr, err := execCommandWithStdErr(
ctx,
"ceph",
args[:]...)
if err != nil {
util.ErrorLog(ctx, "failed to create subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
util.ErrorLog(ctx, "failed to create subvolume snapshot %s %s in fs %s with Error: %v. stdError %s", string(snapID), string(volID), volOptions.FsName, err, stdErr)
return err
}
return nil
@ -89,12 +89,12 @@ func deleteSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.Cre
"--force",
}
err := execCommandErr(
stdErr, err := execCommandWithStdErr(
ctx,
"ceph",
args[:]...)
if err != nil {
util.ErrorLog(ctx, "failed to delete subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
util.ErrorLog(ctx, "failed to delete subvolume snapshot %s %s in fs %s with Error: %v. stdError: %s", string(snapID), string(volID), volOptions.FsName, err, stdErr)
return err
}
return nil
@ -127,16 +127,16 @@ func getSnapshotInfo(ctx context.Context, volOptions *volumeOptions, cr *util.Cr
"--keyfile=" + cr.KeyFile,
"--format=json",
}
err := execCommandJSON(
stdErr, err := execCommandJSON(
ctx,
&snap,
"ceph",
args[:]...)
if err != nil {
if strings.Contains(err.Error(), snapNotFound) {
util.ErrorLog(ctx, "failed to get subvolume snapshot info %s %s in fs %s with Error: %v. stdError: %s", string(snapID), string(volID), volOptions.FsName, err, stdErr)
if strings.Contains(stdErr, snapNotFound) {
return snapshotInfo{}, ErrSnapNotFound
}
util.ErrorLog(ctx, "failed to get subvolume snapshot info %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
return snapshotInfo{}, err
}
return snap, nil
@ -164,15 +164,15 @@ func protectSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.Cr
"--keyfile=" + cr.KeyFile,
}
err := execCommandErr(
stdErr, err := execCommandWithStdErr(
ctx,
"ceph",
args[:]...)
if err != nil {
if strings.Contains(err.Error(), snapProtectionExist) {
util.ErrorLog(ctx, "failed to protect subvolume snapshot %s %s in fs %s with Error: %v. stdError: %s", string(snapID), string(volID), volOptions.FsName, err, stdErr)
if strings.Contains(stdErr, snapProtectionExist) {
return nil
}
util.ErrorLog(ctx, "failed to protect subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
return err
}
return nil
@ -200,17 +200,17 @@ func unprotectSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.
"--keyfile=" + cr.KeyFile,
}
err := execCommandErr(
stdErr, err := execCommandWithStdErr(
ctx,
"ceph",
args[:]...)
if err != nil {
util.ErrorLog(ctx, "failed to unprotect subvolume snapshot %s %s in fs %s with Error: %vv stdError: %s", string(snapID), string(volID), volOptions.FsName, err, stdErr)
// Incase the snap is already unprotected we get ErrSnapProtectionExist error code
// in that case we are safe and we could discard this error.
if strings.Contains(err.Error(), snapProtectionExist) {
if strings.Contains(stdErr, snapProtectionExist) {
return nil
}
util.ErrorLog(ctx, "failed to unprotect subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
return err
}
return nil
@ -239,14 +239,14 @@ func cloneSnapshot(ctx context.Context, parentVolOptions *volumeOptions, cr *uti
args = append(args, "--pool_layout", cloneVolOptions.Pool)
}
err := execCommandErr(
stdErr, err := execCommandWithStdErr(
ctx,
"ceph",
args[:]...)
if err != nil {
util.ErrorLog(ctx, "failed to clone subvolume snapshot %s %s(%s) in fs %s", string(cloneID), string(volID), err, parentVolOptions.FsName)
if strings.HasPrefix(err.Error(), volumeNotFound) {
util.ErrorLog(ctx, "failed to clone subvolume snapshot %s %s in fs %s with Error: %v. stdError: %s", string(cloneID), string(volID), parentVolOptions.FsName, err, stdErr)
if strings.HasPrefix(stdErr, volumeNotFound) {
return ErrVolumeNotFound
}
return err

16
internal/cephfs/util.go
View File

@ -39,17 +39,23 @@ func execCommandErr(ctx context.Context, program string, args ...string) error {
}
// nolint:unparam // todo:program values has to be revisited later
func execCommandJSON(ctx context.Context, v interface{}, program string, args ...string) error {
stdout, _, err := util.ExecCommand(ctx, program, args...)
func execCommandWithStdErr(ctx context.Context, program string, args ...string) (string, error) {
_, stdErr, err := util.ExecCommand(ctx, program, args...)
return stdErr, err
}
// nolint:unparam // todo:program values has to be revisited later
func execCommandJSON(ctx context.Context, v interface{}, program string, args ...string) (string, error) {
stdout, stderr, err := util.ExecCommand(ctx, program, args...)
if err != nil {
return err
return stderr, err
}
if err = json.Unmarshal([]byte(stdout), v); err != nil {
return fmt.Errorf("failed to unmarshal JSON for %s %v: %s: %w", program, util.StripSecretInArgs(args), stdout, err)
return "", fmt.Errorf("failed to unmarshal JSON for %s %v: %s: %w", program, util.StripSecretInArgs(args), stdout, err)
}
return nil
return "", nil
}
// Controller service request validation.

15
internal/cephfs/volume.go
View File

@ -90,7 +90,7 @@ func getVolumeRootPathCeph(ctx context.Context, volOptions *volumeOptions, cr *u
func getSubVolumeInfo(ctx context.Context, volOptions *volumeOptions, cr *util.Credentials, volID volumeID) (Subvolume, error) {
info := Subvolume{}
err := execCommandJSON(
stdErr, err := execCommandJSON(
ctx,
&info,
"ceph",
@ -106,12 +106,11 @@ func getSubVolumeInfo(ctx context.Context, volOptions *volumeOptions, cr *util.C
"-n", cephEntityClientPrefix+cr.ID,
"--keyfile="+cr.KeyFile)
if err != nil {
util.ErrorLog(ctx, "failed to get subvolume info for the vol %s(%s)", string(volID), err)
if strings.HasPrefix(err.Error(), volumeNotFound) {
util.ErrorLog(ctx, "failed to get subvolume info %s in fs %s with Error: %v. stdError: %s", string(volID), volOptions.FsName, err, stdErr)
if strings.HasPrefix(stdErr, volumeNotFound) || strings.HasPrefix(err.Error(), volumeNotFound) {
return info, ErrVolumeNotFound
}
// Incase the error is other than invalid command return error to the caller.
if !strings.Contains(err.Error(), invalidCommand) {
if strings.Contains(stdErr, invalidCommand) || strings.Contains(err.Error(), invalidCommand) {
return info, ErrInvalidCommand
}
@ -218,7 +217,7 @@ func resizeVolume(ctx context.Context, volOptions *volumeOptions, cr *util.Crede
"--keyfile=" + cr.KeyFile,
}
err := execCommandErr(
stdErr, err := execCommandWithStdErr(
ctx,
"ceph",
args[:]...)
@ -228,8 +227,8 @@ func resizeVolume(ctx context.Context, volOptions *volumeOptions, cr *util.Crede
return nil
}
// Incase the error is other than invalid command return error to the caller.
if !strings.Contains(err.Error(), invalidCommand) {
util.ErrorLog(ctx, "failed to resize subvolume %s(%s) in fs %s", string(volID), err, volOptions.FsName)
if !strings.Contains(err.Error(), invalidCommand) && !strings.Contains(stdErr, invalidCommand) {
util.ErrorLog(ctx, "failed to resize subvolume %s in fs %s with Error: %v. stdError: %s", string(volID), volOptions.FsName, err, stdErr)
return err
}
}