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Code

log: Prefer logging to CLI unless JOURNAL_STREAM is set

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This commit is contained in:
Daan De Meyer 2020-06-10 20:19:41 +02:00 committed by Lennart Poettering
parent 7830b5c103
commit bc694c06e6
2 changed files with 29 additions and 6 deletions
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31
src/basic/log.c
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@ -7,6 +7,7 @@
#include <stdarg.h>
#include <stddef.h>
#include <sys/signalfd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/un.h>
@ -219,6 +220,32 @@ fail:
return r;
}
static bool stderr_is_journal(void) {
_cleanup_free_ char *w = NULL;
const char *e;
uint64_t dev, ino;
struct stat st;
e = getenv("JOURNAL_STREAM");
if (!e)
return false;
if (extract_first_word(&e, &w, ":", EXTRACT_DONT_COALESCE_SEPARATORS) <= 0)
return false;
if (!e)
return false;
if (safe_atou64(w, &dev) < 0)
return false;
if (safe_atou64(e, &ino) < 0)
return false;
if (fstat(STDERR_FILENO, &st) < 0)
return false;
return st.st_dev == dev && st.st_ino == ino;
}
int log_open(void) {
int r;
@ -238,9 +265,7 @@ int log_open(void) {
return 0;
}
if (log_target != LOG_TARGET_AUTO ||
getpid_cached() == 1 ||
isatty(STDERR_FILENO) <= 0) {
if (log_target != LOG_TARGET_AUTO || getpid_cached() == 1 || stderr_is_journal()) {
if (!prohibit_ipc &&
IN_SET(log_target, LOG_TARGET_AUTO,

4
test/TEST-21-SYSUSERS/test.sh
View File

@ -115,9 +115,7 @@ test_run() {
echo "*** Running test $f"
prepare_testdir ${f%.input}
cp $f $TESTDIR/usr/lib/sysusers.d/test.conf
systemd-sysusers --root=$TESTDIR 2> /dev/null
journalctl --sync
journalctl -t systemd-sysusers -o cat | tail -n1 > $TESTDIR/tmp/err
systemd-sysusers --root=$TESTDIR 2>&1 | tail -n1 > $TESTDIR/tmp/err
if ! diff -u $TESTDIR/tmp/err ${f%.*}.expected-err; then
echo "**** Unexpected error output for $f"
cat $TESTDIR/tmp/err