func()

in internal/onetime/hanadiskrestore/hanadiskrestore.go [204:247]

• 34 lines of code
• 15 McCabe index (conditional complexity)

func (r *Restorer) validateParameters(os string, cp *ipb.CloudProperties) error {
	if r.SkipDBSnapshotForChangeDiskType {
		log.Logger.Debug("Skip DB Snapshot for Change Disk Type")
		return nil
	}
	if os == "windows" {
		return fmt.Errorf("disk snapshot restore is only supported on Linux systems")
	}

	// Checking if sufficient arguments are passed for either group snapshot or single snapshot.
	// Only SID is required for restoring from groupSnapshot.
	// DataDiskName and NewdiskNames are fetched and respectively created
	// from individual snapshots mapped to groupSnapshot.
	restoreFromGroupSnapshot := !(r.Sid == "" || r.GroupSnapshot == "")
	restoreFromSingleSnapshot := !(r.Sid == "" || r.SourceSnapshot == "" || r.NewdiskName == "")

	if restoreFromGroupSnapshot == true && restoreFromSingleSnapshot == true {
		return fmt.Errorf("either source-snapshot or group-snapshot-name must be provided, not both. Usage: %s", r.Usage())
	} else if restoreFromGroupSnapshot == false && restoreFromSingleSnapshot == false {
		return fmt.Errorf("required arguments not passed. Usage: %s", r.Usage())
	}
	if len(r.NewdiskName) > 63 {
		return fmt.Errorf("the new-disk-name is longer than 63 chars which is not supported, please provide a shorter name")
	}
	if len(r.NewDiskPrefix) > 61 {
		return fmt.Errorf("the new-disk-prefix is longer than 61 chars which is not supported, please provide a shorter prefix")
	}

	if r.Project == "" {
		r.Project = cp.GetProjectId()
	}
	if r.HanaSidAdm == "" {
		r.HanaSidAdm = strings.ToLower(r.Sid) + "adm"
	}

	if restoreFromGroupSnapshot {
		r.isGroupSnapshot = true
	}

	log.Logger.Debug("Parameter validation successful.")
	log.Logger.Infof("List of parameters to be used: %+v", r)

	return nil
}