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fix: require stopped server for picture migration

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2026-08-08 02:39:31 +00:00
parent d9ad14c027
commit 504b4cda69
2 changed files with 15 additions and 25 deletions
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scripts/migrate-general-picture.php
+11 -22
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@@ -46,7 +46,6 @@ function pictureMigrationUsage(int $exitCode = 0): void
fwrite($stream, <<<'TEXT'
Usage:
php scripts/migrate-general-picture.php --server=PREFIX --status
php scripts/migrate-general-picture.php --server=PREFIX --apply --backup=/absolute/path/to/pre-migration.sql
php scripts/migrate-general-picture.php --server=PREFIX --apply --server-closed --backup=/absolute/path/to/pre-migration.sql
PREFIX is one configured game directory such as che, kwe, or hwe. Run status,
@@ -58,9 +57,10 @@ chief picture columns to VARCHAR(64), adds nullable l12imgsvr through l5imgsvr,
and backfills only uniquely matched historical values from ng_old_generals.
It requires a pre-existing, non-empty SQL backup whenever a schema or data
change is needed. Stop web and daemon traffic before applying; MariaDB/Aria DDL
is not transactional. Normally the script acquires and releases the GAME lock.
Use --server-closed only after independently stopping web and daemon traffic;
that flag skips the GAME lock without changing its existing state. Unmatched or
is not transactional. --apply requires --server-closed as an explicit operator
confirmation that web and daemon traffic has already been stopped. The script
does not acquire or alter the GAME lock; it only takes a separate MariaDB named
lock to prevent two picture migrations from running together. Unmatched or
ambiguous historical values remain NULL.
TEXT);
@@ -285,31 +285,23 @@ if ($state === 'ready' && $recoverableBefore === 0) {
requirePictureMigrationBackup($options['backup'] ?? null);
$serverClosed = isset($options['server-closed']);
if ($serverClosed) {
if (!$serverClosed) {
fwrite(
STDERR,
"WARNING: --server-closed skips the GAME lock. Continue only if web and daemon traffic for $server is already stopped.\n",
"WARNING: Picture migration must run while $server web and daemon traffic is stopped. After stopping them, rerun with --server-closed.\n",
);
exit(3);
}
fwrite(
STDERR,
"WARNING: --server-closed is an operator confirmation; this script cannot verify that $server web and daemon traffic is stopped.\n",
);
if (!acquirePictureMigrationLock($db, $server)) {
fwrite(STDERR, "Another picture migration is already running for $server.\n");
exit(3);
}
$backfilled = 0;
$acquiredGameLock = false;
if (!$serverClosed && !\sammo\tryLock()) {
releasePictureMigrationLock($db, $server);
fwrite(
STDERR,
"Unable to acquire the GAME lock. If the server is intentionally closed and all web/daemon traffic is stopped, rerun with --server-closed.\n",
);
exit(3);
}
if (!$serverClosed) {
$acquiredGameLock = true;
}
try {
if (pictureColumnCapacity($db, 'general', 'picture') === 40) {
$db->query('ALTER TABLE general MODIFY picture VARCHAR(64) NOT NULL');
@@ -332,9 +324,6 @@ try {
$backfilled = backfillEmperiorImgsvr($db);
} finally {
if ($acquiredGameLock) {
\sammo\unlock();
}
releasePictureMigrationLock($db, $server);
}