fix(crons): dispatch due schedules across chunks

Interleave due backups and tasks so one schedule type cannot starve the
other, and defer task job context loading until execution.
This commit is contained in:
Andras Bacsai committed 2026-05-27 16:35:41 +02:00
1 parent 9d1ede0733
commit 1c5d5676ef
3 files changed
+469 -160

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+291 -146
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@@ -6,14 +6,15 @@ use App\Models\ScheduledDatabaseBackup;
use App\Models\ScheduledTask;
use App\Models\Server;
use App\Models\Team;
use Cron\CronExpression;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\Middleware\WithoutOverlapping;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Carbon;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;
@@ -22,6 +23,8 @@ class ScheduledJobManager implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
private const CHUNK_SIZE = 100;
/**
* The time when this job execution started.
* Used to ensure all scheduled items are evaluated against the same point in time.
@@ -96,21 +99,11 @@ class ScheduledJobManager implements ShouldQueue
'execution_time' => $this->executionTime->toIso8601String(),
]);
// Process backups - don't let failures stop task processing
// Process scheduled backups and tasks together so neither type starves the other.
try {
$this->processScheduledBackups();
$this->processScheduledBackupsAndTasks();
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Failed to process scheduled backups', [
'error' => $e->getMessage(),
'trace' => $e->getTraceAsString(),
]);
}
// Process tasks - don't let failures stop the job manager
try {
$this->processScheduledTasks();
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Failed to process scheduled tasks', [
Log::channel('scheduled-errors')->error('Failed to process scheduled backups and tasks', [
'error' => $e->getMessage(),
'trace' => $e->getTraceAsString(),
]);
@@ -141,125 +134,211 @@ class ScheduledJobManager implements ShouldQueue
}
}
private function processScheduledBackups(): void
private function processScheduledBackupsAndTasks(): void
{
$backups = ScheduledDatabaseBackup::with(['database'])
$lastBackupId = 0;
$lastTaskId = 0;
do {
$backups = $this->scheduledBackupQuery($lastBackupId)->get();
$tasks = $this->scheduledTaskQuery($lastTaskId)->get();
if ($backups->isNotEmpty()) {
$lastBackupId = $backups->last()->id;
}
if ($tasks->isNotEmpty()) {
$lastTaskId = $tasks->last()->id;
}
$this->processInterleavedDueSchedules(
$this->dueScheduledBackups($backups),
$this->dueScheduledTasks($tasks),
);
} while ($backups->isNotEmpty() || $tasks->isNotEmpty());
}
/**
* @param array<int, array{backup: ScheduledDatabaseBackup, server: Server}> $dueBackups
* @param array<int, array{task: ScheduledTask, server: Server}> $dueTasks
*/
private function processInterleavedDueSchedules(array $dueBackups, array $dueTasks): void
{
$maxCount = max(count($dueBackups), count($dueTasks));
for ($index = 0; $index < $maxCount; $index++) {
if (isset($dueBackups[$index])) {
$this->processScheduledBackup($dueBackups[$index]['backup'], $dueBackups[$index]['server']);
}
if (isset($dueTasks[$index])) {
$this->processScheduledTask($dueTasks[$index]['task'], $dueTasks[$index]['server']);
}
}
}
private function scheduledBackupQuery(int $lastBackupId): Builder
{
return ScheduledDatabaseBackup::with(['database', 'team.subscription'])
->where('enabled', true)
->get();
->where('id', '>', $lastBackupId)
->orderBy('id')
->limit(self::CHUNK_SIZE);
}
private function scheduledTaskQuery(int $lastTaskId): Builder
{
return ScheduledTask::with([
'service.destination.server.settings',
'service.destination.server.team.subscription',
'application.destination.server.settings',
'application.destination.server.team.subscription',
])
->where('enabled', true)
->where('id', '>', $lastTaskId)
->orderBy('id')
->limit(self::CHUNK_SIZE);
}
/**
* @param iterable<ScheduledDatabaseBackup> $backups
* @return array<int, array{backup: ScheduledDatabaseBackup, server: Server}>
*/
private function dueScheduledBackups(iterable $backups): array
{
$dueBackups = [];
foreach ($backups as $backup) {
try {
$server = $backup->server();
$skipReason = $this->getBackupSkipReason($backup, $server);
if ($skipReason !== null) {
$this->skippedCount++;
$this->logSkip('backup', $skipReason, [
'backup_id' => $backup->id,
'database_id' => $backup->database_id,
'database_type' => $backup->database_type,
'team_id' => $backup->team_id ?? null,
]);
if (blank(data_get($backup, 'database')) || blank($server)) {
$this->processScheduledBackup($backup, $server);
continue;
}
$serverTimezone = data_get($server->settings, 'server_timezone', config('app.timezone'));
if (validate_timezone($serverTimezone) === false) {
$serverTimezone = config('app.timezone');
}
$frequency = $backup->frequency;
if (isset(VALID_CRON_STRINGS[$frequency])) {
$frequency = VALID_CRON_STRINGS[$frequency];
}
if (shouldRunCronNow($frequency, $serverTimezone, "scheduled-backup:{$backup->id}", $this->executionTime)) {
DatabaseBackupJob::dispatch($backup);
$this->dispatchedCount++;
Log::channel('scheduled')->info('Backup dispatched', [
'backup_id' => $backup->id,
'database_id' => $backup->database_id,
'database_type' => $backup->database_type,
'team_id' => $backup->team_id ?? null,
'server_id' => $server->id,
]);
if ($this->isDueCandidateBeforeExpensiveChecks($backup->frequency, $server, "scheduled-backup:{$backup->id}")) {
$dueBackups[] = [
'backup' => $backup,
'server' => $server,
];
}
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Error processing backup', [
Log::channel('scheduled-errors')->error('Error prechecking backup', [
'backup_id' => $backup->id,
'error' => $e->getMessage(),
]);
}
}
return $dueBackups;
}
private function processScheduledTasks(): void
/**
* @param iterable<ScheduledTask> $tasks
* @return array<int, array{task: ScheduledTask, server: Server}>
*/
private function dueScheduledTasks(iterable $tasks): array
{
$tasks = ScheduledTask::with(['service', 'application'])
->where('enabled', true)
->get();
$dueTasks = [];
foreach ($tasks as $task) {
try {
$server = $task->server();
// Phase 1: Critical checks (always — cheap, handles orphans and infra issues)
$criticalSkip = $this->getTaskCriticalSkipReason($task, $server);
if ($criticalSkip !== null) {
$this->skippedCount++;
$this->logSkip('task', $criticalSkip, [
'task_id' => $task->id,
'task_name' => $task->name,
'team_id' => $server?->team_id,
]);
if (blank($server) || (! $task->service && ! $task->application)) {
$this->processScheduledTask($task, $server);
continue;
}
$serverTimezone = data_get($server->settings, 'server_timezone', config('app.timezone'));
if (validate_timezone($serverTimezone) === false) {
$serverTimezone = config('app.timezone');
if ($this->isDueCandidateBeforeExpensiveChecks($task->frequency, $server, "scheduled-task:{$task->id}")) {
$dueTasks[] = [
'task' => $task,
'server' => $server,
];
}
$frequency = $task->frequency;
if (isset(VALID_CRON_STRINGS[$frequency])) {
$frequency = VALID_CRON_STRINGS[$frequency];
}
if (! shouldRunCronNow($frequency, $serverTimezone, "scheduled-task:{$task->id}", $this->executionTime)) {
continue;
}
// Phase 2: Runtime checks (only when cron is due — avoids noise for stopped resources)
$runtimeSkip = $this->getTaskRuntimeSkipReason($task);
if ($runtimeSkip !== null) {
$this->skippedCount++;
$this->logSkip('task', $runtimeSkip, [
'task_id' => $task->id,
'task_name' => $task->name,
'team_id' => $server->team_id,
]);
continue;
}
ScheduledTaskJob::dispatch($task);
$this->dispatchedCount++;
Log::channel('scheduled')->info('Task dispatched', [
'task_id' => $task->id,
'task_name' => $task->name,
'team_id' => $server->team_id,
'server_id' => $server->id,
]);
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Error processing task', [
Log::channel('scheduled-errors')->error('Error prechecking task', [
'task_id' => $task->id,
'error' => $e->getMessage(),
]);
}
}
return $dueTasks;
}
private function processScheduledBackup(ScheduledDatabaseBackup $backup, ?Server $precheckedServer = null): void
{
try {
$server = $precheckedServer ?? $backup->server();
$skipReason = $this->getBackupSkipReason($backup, $server);
if ($skipReason !== null) {
$this->skippedCount++;
$this->logBackupSkip($backup, $skipReason);
return;
}
if ($this->shouldDispatch($backup->frequency, $server, "scheduled-backup:{$backup->id}")) {
DatabaseBackupJob::dispatch($backup);
$this->dispatchedCount++;
Log::channel('scheduled')->info('Backup dispatched', [
'backup_id' => $backup->id,
'database_id' => $backup->database_id,
'database_type' => $backup->database_type,
'team_id' => $backup->team_id ?? null,
'server_id' => $server->id,
]);
}
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Error processing backup', [
'backup_id' => $backup->id,
'error' => $e->getMessage(),
]);
}
}
private function processScheduledTask(ScheduledTask $task, ?Server $precheckedServer = null): void
{
try {
$server = $precheckedServer ?? $task->server();
$criticalSkip = $this->getTaskCriticalSkipReason($task, $server);
if ($criticalSkip !== null) {
$this->skippedCount++;
$this->logTaskSkip($task, $criticalSkip, $server);
return;
}
if (! $this->shouldDispatch($task->frequency, $server, "scheduled-task:{$task->id}")) {
return;
}
$runtimeSkip = $this->getTaskRuntimeSkipReason($task);
if ($runtimeSkip !== null) {
$this->skippedCount++;
$this->logTaskSkip($task, $runtimeSkip, $server);
return;
}
ScheduledTaskJob::dispatch($task);
$this->dispatchedCount++;
Log::channel('scheduled')->info('Task dispatched', [
'task_id' => $task->id,
'task_name' => $task->name,
'team_id' => $server->team_id,
'server_id' => $server->id,
]);
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Error processing task', [
'task_id' => $task->id,
'error' => $e->getMessage(),
]);
}
}
private function getBackupSkipReason(ScheduledDatabaseBackup $backup, ?Server $server): ?string
@@ -327,71 +406,70 @@ class ScheduledJobManager implements ShouldQueue
private function processDockerCleanups(): void
{
// Get all servers that need cleanup checks
$servers = $this->getServersForCleanup();
foreach ($servers as $server) {
try {
$skipReason = $this->getDockerCleanupSkipReason($server);
if ($skipReason !== null) {
$this->skippedCount++;
$this->logSkip('docker_cleanup', $skipReason, [
'server_id' => $server->id,
'server_name' => $server->name,
'team_id' => $server->team_id,
]);
continue;
$this->getServersForCleanupQuery()
->chunkById(self::CHUNK_SIZE, function ($servers): void {
foreach ($servers as $server) {
$this->processDockerCleanup($server);
}
});
}
$serverTimezone = data_get($server->settings, 'server_timezone', config('app.timezone'));
if (validate_timezone($serverTimezone) === false) {
$serverTimezone = config('app.timezone');
}
$frequency = data_get($server->settings, 'docker_cleanup_frequency', '0 * * * *');
if (isset(VALID_CRON_STRINGS[$frequency])) {
$frequency = VALID_CRON_STRINGS[$frequency];
}
// Use the frozen execution time for consistent evaluation
if (shouldRunCronNow($frequency, $serverTimezone, "docker-cleanup:{$server->id}", $this->executionTime)) {
DockerCleanupJob::dispatch(
$server,
false,
$server->settings->delete_unused_volumes,
$server->settings->delete_unused_networks
);
$this->dispatchedCount++;
Log::channel('scheduled')->info('Docker cleanup dispatched', [
'server_id' => $server->id,
'server_name' => $server->name,
'team_id' => $server->team_id,
]);
}
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Error processing docker cleanup', [
private function processDockerCleanup(Server $server): void
{
try {
$skipReason = $this->getDockerCleanupSkipReason($server);
if ($skipReason !== null) {
$this->skippedCount++;
$this->logSkip('docker_cleanup', $skipReason, [
'server_id' => $server->id,
'server_name' => $server->name,
'error' => $e->getMessage(),
'team_id' => $server->team_id,
]);
return;
}
$frequency = data_get($server->settings, 'docker_cleanup_frequency', '0 * * * *');
if ($this->shouldDispatch($frequency, $server, "docker-cleanup:{$server->id}")) {
DockerCleanupJob::dispatch(
$server,
false,
$server->settings->delete_unused_volumes,
$server->settings->delete_unused_networks
);
$this->dispatchedCount++;
Log::channel('scheduled')->info('Docker cleanup dispatched', [
'server_id' => $server->id,
'server_name' => $server->name,
'team_id' => $server->team_id,
]);
}
} catch (\Exception $e) {
Log::channel('scheduled-errors')->error('Error processing docker cleanup', [
'server_id' => $server->id,
'server_name' => $server->name,
'error' => $e->getMessage(),
]);
}
}
private function getServersForCleanup(): Collection
private function getServersForCleanupQuery(): Builder
{
$query = Server::with('settings')
->where('ip', '!=', '1.2.3.4');
if (isCloud()) {
$servers = $query->whereRelation('team.subscription', 'stripe_invoice_paid', true)->get();
$own = Team::find(0)->servers()->with('settings')->get();
return $servers->merge($own);
$query
->with('team.subscription')
->where(function (Builder $query): void {
$query
->where('team_id', 0)
->orWhereRelation('team.subscription', 'stripe_invoice_paid', true);
});
}
return $query->get();
return $query;
}
private function getDockerCleanupSkipReason(Server $server): ?string
@@ -418,4 +496,71 @@ class ScheduledJobManager implements ShouldQueue
'execution_time' => $this->executionTime?->toIso8601String(),
], $context));
}
private function shouldDispatch(string $frequency, Server $server, string $dedupKey): bool
{
return shouldRunCronNow(
$this->normalizeFrequency($frequency),
$this->serverTimezone($server),
$dedupKey,
$this->executionTime,
);
}
private function isDueCandidateBeforeExpensiveChecks(string $frequency, Server $server, string $dedupKey): bool
{
$cron = new CronExpression($this->normalizeFrequency($frequency));
$executionTime = ($this->executionTime ?? Carbon::now())->copy()->setTimezone($this->serverTimezone($server));
$lastDispatched = Cache::get($dedupKey);
$previousDue = Carbon::instance($cron->getPreviousRunDate($executionTime, allowCurrentDate: true));
if ($lastDispatched === null) {
$isDue = $cron->isDue($executionTime);
if (! $isDue) {
Cache::put($dedupKey, $previousDue->toIso8601String(), 2592000);
}
return $isDue;
}
$shouldFire = $previousDue->gt(Carbon::parse($lastDispatched));
if (! $shouldFire) {
Cache::put($dedupKey, $previousDue->toIso8601String(), 2592000);
}
return $shouldFire;
}
private function normalizeFrequency(string $frequency): string
{
return VALID_CRON_STRINGS[$frequency] ?? $frequency;
}
private function serverTimezone(Server $server): string
{
$timezone = data_get($server->settings, 'server_timezone', config('app.timezone'));
return validate_timezone($timezone) ? $timezone : config('app.timezone');
}
private function logBackupSkip(ScheduledDatabaseBackup $backup, string $reason): void
{
$this->logSkip('backup', $reason, [
'backup_id' => $backup->id,
'database_id' => $backup->database_id,
'database_type' => $backup->database_type,
'team_id' => $backup->team_id ?? null,
]);
}
private function logTaskSkip(ScheduledTask $task, string $reason, ?Server $server): void
{
$this->logSkip('task', $reason, [
'task_id' => $task->id,
'task_name' => $task->name,
'team_id' => $server?->team_id,
]);
}
}