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14 changes: 9 additions & 5 deletions pkg/daemon/kernelargs.go
Original file line number Diff line number Diff line change
Expand Up @@ -144,14 +144,14 @@ func parseTuningFile(tuningFilePath, cmdLinePath string) ([]types.TuneArgument,
}

// UpdateTuningArgs executes additions and removals of kernel tuning arguments
func UpdateTuningArgs(tuningFilePath, cmdLinePath string) (bool, error) {
func UpdateTuningArgs(tuningFilePath, cmdLinePath string) error {
if cmdLinePath == "" {
cmdLinePath = CmdLineFile
}
changed := false
additions, deletions, err := parseTuningFile(tuningFilePath, cmdLinePath)
if err != nil {
return changed, err
return err
}

// Execute additions
Expand All @@ -160,7 +160,7 @@ func UpdateTuningArgs(tuningFilePath, cmdLinePath string) (bool, error) {
changed = true
err := exec.Command("rpm-ostree", "kargs", fmt.Sprintf("--append=%s", toAdd.Key)).Run()
if err != nil {
return false, errors.Wrapf(err, "adding karg")
return fmt.Errorf("failed adding karg: %w", err)
}
} else {
panic("Not supported")
Expand All @@ -172,11 +172,15 @@ func UpdateTuningArgs(tuningFilePath, cmdLinePath string) (bool, error) {
changed = true
err := exec.Command("rpm-ostree", "kargs", fmt.Sprintf("--delete=%s", toDelete.Key)).Run()
if err != nil {
return false, errors.Wrapf(err, "deleting karg")
return fmt.Errorf("failed deleting karg: %w", err)
}
} else {
panic("Not supported")
}
}
return changed, nil

if changed {
glog.Info("Updated kernel tuning arguments")
}
return nil
}
6 changes: 1 addition & 5 deletions pkg/daemon/update.go
Original file line number Diff line number Diff line change
Expand Up @@ -592,13 +592,9 @@ func (dn *Daemon) update(oldConfig, newConfig *mcfgv1.MachineConfig) (retErr err

// Ideally we would want to update kernelArguments only via MachineConfigs.
// We are keeping this to maintain compatibility and OKD requirement.
tuningChanged, err := UpdateTuningArgs(KernelTuningFile, CmdLineFile)
if err != nil {
if err := UpdateTuningArgs(KernelTuningFile, CmdLineFile); err != nil {
return err
}
if tuningChanged {
glog.Info("Updated kernel tuning arguments")
}

if err := dn.storeCurrentConfigOnDisk(newConfig); err != nil {
return err
Expand Down