function validateParams($sbParams)
{
//
// VALIDATE POSSIBLE PARAMETERS FOR THIS BACKUP
//
// Pick a rotation method (required)
// rotate_method - DAY_OF_WEEK or AFTER_SNAPSHOT_COUNT
// Validate Rotation Method
scheduledBackup::validateRotateMethod($sbParams['rotate_method']);
switch ($sbParams['rotate_method']) {
//
// DAY_OF_WEEK options
//
case 'DAY_OF_WEEK':
// rotate_day_of_week - Create a new snapshot group on this day of the week.
// The above uses the same day numbering as cron - 0-6 where Sunday = 0, Monday = 1, ...., Saturday = 6.
// Multiple values accepted in comma separated format - eg. 0,3 for Sunday and Wednesday
// Validate rotate_day_of_week
scheduledBackup::validateRotateDayOfWeek($sbParams['rotate_day_of_week']);
// max_snapshots_per_group - The max tatal num of snapshots allowed in a group.
// Only used with DAY_OF_WEEK rotate_method
// We won't take any more incremental snapshots if we already have a total of this many snapshots for the group.
// This prevents us just continuing to endlessly take incremental snapshots if the cron schedule is never running
// the backup on the necessary day of the week for any reason.
// Validate max_snapshots_per_group
scheduledBackup::validateMaxSnapshotsPerGroup($sbParams['max_snapshots_per_group']);
// backup_skip_fatal - If no snapshot is taken because we hit max_snapshots_per_group, but it is not the rotation day of week
// consider it a fatal error. 0 for OFF or 1 for ON (default). This can happen if your backup never ran on the day it should have.
// Validate backup_skip_fatal
// if not set, assume 1 / Yes.
if (!isset($sbParams['backup_skip_fatal'])) {
$sbParams['backup_skip_fatal'] = 1;
}
scheduledBackup::validateBackupSkipFatal($sbParams['backup_skip_fatal']);
break;
//
// AFTER_SNAPSHOT_COUNT options
//
//
// AFTER_SNAPSHOT_COUNT options
//
case 'AFTER_SNAPSHOT_COUNT':
// rotate_snapshot_no - We rotate on the snapshot after this many in a group.
// Eg. if 7 and daily snapshots, you are creating a new group for the 8th.
// Validate rotate_snapshot_no
scheduledBackup::validateRotateSnapshotNo($sbParams['rotate_snapshot_no']);
break;
default:
throw new Exception('rotatingBackupTaker->validateParams: ' . "Error: Could not find a method to validate this backups parameters. This should never happen.");
}
// GLOBAL rotate_method options...
// max_snapshot_groups - The maximum number of groups of snapshots we will maintain.
// If 2, we would throw away group 1 after successfully taking the SEED for the third group.
// validate max_snapshot_groups
// must be set..
scheduledBackup::validateMaxSnapshotGroups($sbParams['max_snapshot_groups']);
// validate maintain_materialized_copy (if set)
if (isset($sbParams['maintain_materialized_copy'])) {
scheduledBackup::validateMaintainMaterializedCopy($sbParams['maintain_materialized_copy']);
}
//
// If we made it this far, the backup parameters should be valid... proceed with the actual backup!
//
return true;
}
