public static function _step_run_remote_snapshot()
{
if (false === self::_load_state()) {
return false;
}
// If not all files have uploaded, skip snapshot for now.
if (self::$_state['stats']['files_pending_send'] > 0 || self::$_state['stats']['tables_pending_send'] > 0) {
pb_backupbuddy::status('details', '`' . self::$_state['stats']['files_pending_send'] . '` files and `' . self::$_state['stats']['tables_pending_send'] . '` database tables are still pending transfer. Waiting for transfers to finish before creating Snapshot.');
self::$_state['stats']['wait_on_transfers_start'] = microtime(true);
backupbuddy_live::queue_step($step = 'wait_on_transfers', $args = array(), $skip_run_now = true);
return true;
}
if (0 == self::$_state['stats']['files_total_count'] || 0 == self::$_state['stats']['tables_total_count']) {
$error = 'Error #3489349834: Made it to the snapshot stage but there are zero files and/or tables. Halting to protect backup integrity. Files: `' . self::$_state['stats']['files_total_count'] . '`. Tables: `' . self::$_state['stats']['tables_total_count'] . '`.';
backupbuddy_core::addNotification('live_error', 'BackupBuddy Stash Live Error', $error);
return $error;
}
if (false !== self::$_state['stats']['manual_snapshot']) {
pb_backupbuddy::status('details', 'Manual snapshot requested at `' . pb_backupbuddy::$format->date(pb_backupbuddy::$format->localize_time(self::$_state['stats']['manual_snapshot'])) . '` (' . pb_backupbuddy::$format->time_ago(self::$_state['stats']['manual_snapshot']) . ' ago). Triggering remote snapshot now.');
$trigger = 'manual';
} else {
$trigger = 'automatic';
$destination_settings = self::get_destination_settings();
$schedule_times = wp_get_schedules();
if (!isset($schedule_times[$destination_settings['remote_snapshot_period']])) {
pb_backupbuddy::status('error', 'Error #383927494: Invalid schedule interval/period `' . $destination_settings['remote_snapshot_period'] . '`. Not found in wp_get_schedules().');
return false;
}
$delay_between_runs = $schedule_times[$destination_settings['remote_snapshot_period']]['interval'];
$adjusted_delay_between_runs = $delay_between_runs - self::REMOTE_SNAPSHOT_PERIOD_WIGGLE_ROOM;
$time_since_last_run = microtime(true) - self::$_state['stats']['last_remote_snapshot'];
pb_backupbuddy::status('details', 'Period between remote snapshots: `' . $destination_settings['remote_snapshot_period'] . '` (`' . $delay_between_runs . '` seconds). Time since last run: `' . $time_since_last_run . '`. Allowed to run `' . self::REMOTE_SNAPSHOT_PERIOD_WIGGLE_ROOM . '` secs early. Adjusted min delay between runs: `' . $adjusted_delay_between_runs . '`.');
if ($time_since_last_run < $adjusted_delay_between_runs) {
pb_backupbuddy::status('details', 'Not enough time has passed since last remote snapshot. Skipping this pass.');
return true;
}
// Made it here so trigger remote snapshot.
pb_backupbuddy::status('details', 'Enough time has passed since last remote snapshot. Triggering remote snapshot now.');
}
$response = backupbuddy_live_periodic::_run_remote_snapshot($trigger);
if (!is_array($response)) {
$error = 'Error #2397734: Unable to initiate Live snapshot. See log above for details or here: `' . $response . '`.';
pb_backupbuddy::status('error', $error);
backupbuddy_core::addNotification('live_error', 'BackupBuddy Stash Live Error', $error);
return false;
} else {
// Either triggered snapshot or one already running.
if (true === $response['success']) {
// Triggered new snapshot.
$snapshot_id = $response['snapshot'];
backupbuddy_live_periodic::update_last_remote_snapshot_time($snapshot_id);
pb_backupbuddy::status('details', 'Triggered new remote snapshot with ID `' . $snapshot_id . '`.');
// TODO: Keeping in place until new tmtrim-settings and passing tmtrim data with snapshot trigger is verified. Deprecating as of 7.0.5.5.
// Schedule to run trim cleanup.
$cronArgs = array();
$schedule_result = backupbuddy_core::schedule_single_event(time() + 60 * 60, 'live_after_snapshot', $cronArgs);
// 1hr
if (true === $schedule_result) {
pb_backupbuddy::status('details', 'Next Live trim cron event scheduled.');
} else {
pb_backupbuddy::status('error', 'Next Live trim cron event FAILED to be scheduled.');
}
if ('1' != pb_backupbuddy::$options['skip_spawn_cron_call']) {
pb_backupbuddy::status('details', 'Spawning cron now.');
update_option('_transient_doing_cron', 0);
// Prevent cron-blocking for next item.
spawn_cron(time() + 150);
// Adds > 60 seconds to get around once per minute cron running limit.
}
return true;
} elseif (false === $response['success']) {
// Failed to trigger new snapshot. Most likely one is already in progress.
if (isset($response['snapshot'])) {
pb_backupbuddy::status('details', 'Did NOT trigger a new snapshot. One is already in progress with ID `' . $response['snapshot'] . '`.');
return true;
} else {
pb_backupbuddy::status('error', 'Error #2898923: Something went wrong triggering snapshot. Details: `' . print_r($response) . '`.');
return false;
}
} else {
pb_backupbuddy::status('error', 'Error #3832792397: Something went wrong triggering snapshot. Details: `' . print_r($response) . '`.');
return false;
}
}
pb_backupbuddy::status('error', 'Error #8028434. This should never happen. This code should not be reached.');
return false;
}
