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fix(controller-tests): clean /tmp/xce_* scratch dirs to stop 28G disk fill

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Test fixtures create WAL/snapshot scratch dirs via mkdtemp
(/tmp/xce_e2e_ckpt_*, /tmp/xce_ucaf61_*, /tmp/xce_ts_*) but their
teardown only frees the persist_t — the dir is never removed. persist_init
preallocates a 64MB WAL segment per init, so a full controller_unit_test
run leaves ~28G in /tmp in under a minute, filling the root filesystem.

Remove only xce_* DIRECTORIES at suite start (stale leftovers) and via
atexit (this run). Files are untouched: the user's /tmp/xce-mcp binary
and the suite's own /tmp/xce_test.log survive the -type d filter.
This commit is contained in:
lei.chen 2026-08-05 09:41:06 +00:00
parent 730a8ebcd4
commit 67f3f6ad80
1 changed files with 21 additions and 0 deletions
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21
src/controller/testsuite/test.c
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@ -3757,6 +3757,22 @@ static int worker_house_keeping(void* arg)
return rc;
}
/* bug-XXXX (disk fill): the persist_* / config_repl / HA test fixtures create
* their WAL/snapshot scratch dirs via mkdtemp("/tmp/xce_..._XXXXXX") but their
* teardown only frees the persist_t — the directory is never removed. A full
* controller_unit_test run therefore leaves ~28G behind in /tmp in under a
* minute, filling a 62G root filesystem. Remove only xce_* DIRECTORIES (never
* files — the user's /tmp/xce-mcp binary and the suite's own /tmp/xce_test.log
* must survive). Run at suite start (stale leftovers from prior runs) and on
* exit via atexit (this run). */
static void clean_test_scratch_dirs(void)
{
if (system("find /tmp -maxdepth 1 -type d -name 'xce_*' "
"-exec rm -rf {} + 2>/dev/null") != 0) {
/* non-zero only if find is unavailable; cleanup is best-effort */
}
}
int main(int argc, char* argv[])
{
struct arguments arguments;
@ -3769,6 +3785,11 @@ int main(int argc, char* argv[])
memset(&arguments, 0x0, sizeof(arguments));
argp_parse(&argp, argc, argv, 0, 0, &arguments);
/* Bug-XXXX: remove stale test scratch dirs from prior runs, then ensure
* this run's scratch dirs are cleaned on exit. */
clean_test_scratch_dirs();
atexit(clean_test_scratch_dirs);
if (arguments.verbose != 0) {
loglevel = verbose_to_loglevel(arguments.verbose);
}