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pixelfed/app/Console/Commands/Admin/EmojiMoveStorageLocalToClou...

337 lines
12 KiB
PHP

<?php
namespace App\Console\Commands\Admin;
use App\Console\Commands\Concerns\ManagesMediaStorageEnv;
use App\Models\CustomEmoji;
use App\Util\Lexer\PrettyNumber;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Symfony\Component\Process\Process;
class EmojiMoveStorageLocalToCloud extends Command
{
use ManagesMediaStorageEnv;
/**
* The name and signature of the console command.
*
* @var string
*/
protected $signature = 'admin:EmojiMoveStorageLocalToCloud
{--limit=0 : Max files to process this run (0 = no limit, process all)}
{--offset=0 : Skip this many files before processing (for manual chunking)}
{--workers=1 : Spawn N parallel worker processes to upload concurrently}
{--stride=1 : Internal: total worker count for strided sharding}
{--shard=0 : Internal: this worker index (0-based) for strided sharding}
{--skip-verify : Do not re-check the cloud copy size after upload (faster)}
{--skip-cloud-check : Do not HEAD the cloud object first; always upload (faster, idempotent)}
{--dry-run : Report what would happen without copying or writing}
{--keep-local : Do not delete local files after verifying the cloud copy}
{--debug : Print detailed diagnostics}
{--force : Skip confirmation prompts}';
/**
* The console command description.
*
* @var string
*/
protected $description = 'Migrate local custom emoji to cloud storage: copy up, verify by size, then delete the local copy.';
protected int $movedBytes = 0;
public function handle(): int
{
// Consider cloud enabled if either the live config or the (possibly
// 12h-cached) config_cache value says so, so a stale cache can't make
// this silently no-op right after cloud is turned on.
$cloudEnabled = (bool) config('pixelfed.cloud_storage') || (bool) config_cache('pixelfed.cloud_storage');
if (! $cloudEnabled) {
$this->error('Cloud storage is not enabled (pixelfed.cloud_storage is false).');
return self::FAILURE;
}
try {
$localDisk = Storage::disk('local');
$cloudDisk = Storage::disk(config('filesystems.cloud'));
} catch (\Throwable $e) {
$this->error('Cloud disk ('.config('filesystems.cloud').') could not be resolved: '.$e->getMessage());
return self::FAILURE;
}
if (! $this->cloudHost()) {
$this->error('Cloud disk ('.config('filesystems.cloud').') is not configured (no resolvable URL).');
$this->line('Set AWS_URL / AWS_* in your .env before migrating to cloud.');
return self::FAILURE;
}
$debug = (bool) $this->option('debug');
// Diagnostics: what does the environment/config look like?
if ($debug) {
$this->line('--- debug: config ---');
$this->line(' config(pixelfed.cloud_storage): '.var_export(config('pixelfed.cloud_storage'), true));
$this->line(' config_cache(pixelfed.cloud_storage): '.var_export(config_cache('pixelfed.cloud_storage'), true));
$this->line(' filesystems.cloud: '.config('filesystems.cloud'));
$this->line(' cloud host: '.($this->cloudHost() ?? 'null'));
$this->line(' local disk root: '.$localDisk->path(''));
$this->line('--- debug: custom_emoji table ---');
$this->line(' total rows: '.CustomEmoji::count());
$this->line(' uri IS NULL: '.CustomEmoji::whereNull('uri')->count());
$this->line(' uri NOT NULL: '.CustomEmoji::whereNotNull('uri')->count());
$this->line(' media_path NOT NULL: '.CustomEmoji::whereNotNull('media_path')->count());
$this->line(' media_path LIKE http%: '.CustomEmoji::where('media_path', 'like', 'http%')->count());
$this->line('--- debug: local emoji directory (public/emoji) ---');
$this->line(' dir exists: '.var_export($localDisk->exists('public/emoji'), true));
$this->line(' file count: '.count($localDisk->files('public/emoji')));
}
$workers = max(1, (int) $this->option('workers'));
// When asked to parallelise, spawn N child processes that each handle a
// strided slice of the file list (worker w processes indexes where
// index % workers === w). This gives real concurrency for the
// I/O-bound S3 uploads without any extra dependencies.
if ($workers > 1) {
return $this->runParallel($workers);
}
if (! $this->option('dry-run') && ! $this->option('force')) {
if (! $this->confirm('Begin migrating local custom emoji to cloud?', true)) {
$this->comment('Aborted.');
return self::SUCCESS;
}
}
$limit = (int) $this->option('limit');
$offset = max(0, (int) $this->option('offset'));
$stride = max(1, (int) $this->option('stride'));
$shard = max(0, (int) $this->option('shard'));
$moved = 0;
$skipped = 0;
$failed = 0;
// Disk-driven: enumerate the actual emoji files on the local disk and
// migrate each one. We intentionally do NOT filter by DB columns here —
// the file existing locally is the source of truth for "needs moving".
// Federated emoji have their media stored locally too (with a uri set),
// so a DB filter on uri would wrongly exclude them.
$files = $localDisk->exists('public/emoji') ? $localDisk->files('public/emoji') : [];
if ($offset > 0) {
$files = array_slice($files, $offset);
}
if ($limit > 0) {
$files = array_slice($files, 0, $limit);
}
$showBar = $stride === 1 && ! $debug;
$bar = $showBar ? $this->output->createProgressBar(count($files)) : null;
$bar?->start();
foreach ($files as $i => $localPath) {
// Strided sharding for parallel workers: only handle our slice.
if ($stride > 1 && ($i % $stride) !== $shard) {
continue;
}
$filename = basename($localPath);
// Preserve dotfiles such as a directory .gitignore, and the
// missing.png placeholder which the frontend hardcodes as a local
// /storage/emoji/missing.png onerror fallback (must stay local).
if (str_starts_with($filename, '.') || $filename === 'missing.png') {
$skipped++;
$bar?->advance();
continue;
}
// media_path is the local path without the public/ disk prefix.
$mediaPath = Str::after($localPath, 'public/');
$result = $this->migrateFile($localPath, $mediaPath, $localDisk, $cloudDisk, $debug);
match ($result) {
'moved' => $moved++,
'skipped' => $skipped++,
default => $failed++,
};
$bar?->advance();
}
$bar?->finish();
$this->newLine(2);
if ($moved > 0 && ! $this->option('dry-run')) {
Cache::forget('pf:custom_emoji');
}
$this->info(($this->option('dry-run') ? '[dry-run] ' : '').'Done. moved='.$moved.' skipped='.$skipped.' failed='.$failed.'.');
if ($this->movedBytes) {
$this->info('Transferred '.PrettyNumber::size($this->movedBytes).' to cloud storage.');
}
return self::SUCCESS;
}
/**
* Spawn N child worker processes, each handling a strided slice of the
* files, and wait for them all to finish.
*/
protected function runParallel(int $workers): int
{
if (! $this->option('force') && ! $this->confirm("Begin migrating local custom emoji to cloud using {$workers} parallel workers?", true)) {
$this->comment('Aborted.');
return self::SUCCESS;
}
$php = PHP_BINARY;
$artisan = base_path('artisan');
// Forwarded flags each worker should inherit.
$forward = ['--force'];
foreach (['dry-run', 'keep-local', 'skip-verify', 'skip-cloud-check', 'debug'] as $flag) {
if ($this->option($flag)) {
$forward[] = '--'.$flag;
}
}
if ((int) $this->option('limit') > 0) {
$forward[] = '--limit='.(int) $this->option('limit');
}
if ((int) $this->option('offset') > 0) {
$forward[] = '--offset='.(int) $this->option('offset');
}
$this->info("Launching {$workers} workers...");
$procs = [];
for ($w = 0; $w < $workers; $w++) {
$cmd = array_merge(
[$php, $artisan, 'admin:EmojiMoveStorageLocalToCloud'],
$forward,
['--stride='.$workers, '--shard='.$w]
);
$process = new Process($cmd);
$process->setTimeout(null);
$process->start();
$procs[$w] = $process;
}
// Stream each worker's output prefixed with its shard id.
while (array_filter($procs, fn ($p) => $p->isRunning())) {
foreach ($procs as $w => $process) {
if ($out = $process->getIncrementalOutput()) {
foreach (explode("\n", rtrim($out, "\n")) as $line) {
if ($line !== '') {
$this->line("[worker {$w}] ".$line);
}
}
}
}
usleep(200000);
}
$failed = 0;
foreach ($procs as $w => $process) {
if (! $process->isSuccessful()) {
$failed++;
$this->error("Worker {$w} exited with code ".$process->getExitCode());
}
}
if (! $this->option('dry-run')) {
Cache::forget('pf:custom_emoji');
}
$this->newLine();
$this->info('All workers finished'.($failed ? " ({$failed} failed)" : '.'));
return $failed ? self::FAILURE : self::SUCCESS;
}
/**
* @return string one of moved|skipped|failed
*/
protected function migrateFile(string $localPath, string $mediaPath, $localDisk, $cloudDisk, bool $debug = false): string
{
// The upfront cloud HEAD is an extra S3 round-trip per file. Skip it
// with --skip-cloud-check for a faster, always-upload (idempotent) run.
if (! $this->option('skip-cloud-check') && $cloudDisk->exists($mediaPath)) {
if ($debug) {
$this->newLine();
$this->line(' [skip] already on cloud: '.$mediaPath);
}
// Present on cloud already; remove the local copy unless asked not to.
if (! $this->option('dry-run') && ! $this->option('keep-local')) {
$localDisk->delete($localPath);
}
return 'skipped';
}
if ($this->option('dry-run')) {
if ($debug) {
$this->newLine();
$this->line(' [dry-run] would move: '.$localPath.' -> '.$mediaPath);
}
return 'moved';
}
try {
$size = (int) $localDisk->size($localPath);
$cloudDisk->put($mediaPath, $localDisk->get($localPath), 'public');
// Verify is another S3 round-trip; skippable with --skip-verify.
if (! $this->option('skip-verify') && ! $this->verify($localPath, $mediaPath, $localDisk, $cloudDisk)) {
$this->warn(PHP_EOL.'Verify failed for '.$mediaPath.'; left local copy intact.');
return 'failed';
}
if (! $this->option('keep-local')) {
$localDisk->delete($localPath);
}
$this->movedBytes += $size;
return 'moved';
} catch (\Throwable $e) {
$this->warn(PHP_EOL.'Error migrating '.$mediaPath.': '.$e->getMessage());
return 'failed';
}
}
/**
* Verify the cloud copy matches the local source by size. Fails closed.
*/
protected function verify(string $localPath, string $cloudPath, $localDisk, $cloudDisk): bool
{
if (! $cloudDisk->exists($cloudPath)) {
return false;
}
$localSize = $localDisk->size($localPath);
$cloudSize = $cloudDisk->size($cloudPath);
if ($localSize === false || $cloudSize === false || $localSize !== $cloudSize) {
return false;
}
return true;
}
}