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condition: add debug log messages on unexpected errors

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This commit is contained in:
Lennart Poettering 2020-05-14 09:20:24 +02:00
parent 841c0987f7
commit df1f5dc1d9
1 changed files with 16 additions and 6 deletions
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22
src/shared/condition.c
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@ -546,29 +546,40 @@ static int condition_test_capability(Condition *c, char **env) {
}
static int condition_test_needs_update(Condition *c, char **env) {
const char *p;
struct stat usr, other;
const char *p;
int r;
assert(c);
assert(c->parameter);
assert(c->type == CONDITION_NEEDS_UPDATE);
if (!path_is_absolute(c->parameter))
if (!path_is_absolute(c->parameter)) {
log_debug("Specified condition parameter '%s' is not absolute, assuming an update is needed.", c->parameter);
return true;
}
/* If the file system is read-only we shouldn't suggest an update */
if (path_is_read_only_fs(c->parameter) > 0)
r = path_is_read_only_fs(c->parameter);
if (r < 0)
log_debug_errno(r, "Failed to determine if '%s' is read-only, ignoring: %m", c->parameter);
if (r > 0)
return false;
/* Any other failure means we should allow the condition to be true, so that we rather invoke too
* many update tools than too few. */
p = strjoina(c->parameter, "/.updated");
if (lstat(p, &other) < 0)
if (lstat(p, &other) < 0) {
if (errno != ENOENT)
log_debug_errno(errno, "Failed to stat() '%s', assuming an update is needed: %m", p);
return true;
}
if (lstat("/usr/", &usr) < 0)
if (lstat("/usr/", &usr) < 0) {
log_debug_errno(errno, "Failed to stat() /usr/, assuming an update is needed: %m");
return true;
}
/*
* First, compare seconds as they are always accurate...
@ -587,7 +598,6 @@ static int condition_test_needs_update(Condition *c, char **env) {
if (usr.st_mtim.tv_nsec > 0 && other.st_mtim.tv_nsec == 0) {
_cleanup_free_ char *timestamp_str = NULL;
uint64_t timestamp;
int r;
r = parse_env_file(NULL, p, "TIMESTAMP_NSEC", &timestamp_str);
if (r < 0) {