]>
Commit | Line | Data |
---|---|---|
e0b4037d DL |
1 | /* |
2 | * lxc: linux Container library | |
3 | * | |
4 | * (C) Copyright IBM Corp. 2007, 2008 | |
5 | * | |
6 | * Authors: | |
7 | * Cedric Le Goater <legoater@free.fr> | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this library; if not, write to the Free Software | |
250b1eec | 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
e0b4037d | 22 | */ |
3f53c691 | 23 | #include <assert.h> |
0ad19a3f | 24 | #include <stdio.h> |
25 | #include <errno.h> | |
cb8c5720 CLG |
26 | #include <limits.h> |
27 | #include <unistd.h> | |
28 | #include <sys/types.h> | |
29 | #include <sys/stat.h> | |
30 | #include <string.h> | |
858377e4 | 31 | #include <pthread.h> |
02d25a9e | 32 | #include <time.h> |
cb8c5720 CLG |
33 | |
34 | #define __USE_GNU /* for *_CLOEXEC */ | |
35 | ||
64c57ea1 BD |
36 | #include <syslog.h> |
37 | #include <stdio.h> | |
38 | ||
cb8c5720 CLG |
39 | #include <fcntl.h> |
40 | #include <stdlib.h> | |
41 | ||
28f602ff DL |
42 | #include "log.h" |
43 | #include "caps.h" | |
ab1bf971 | 44 | #include "utils.h" |
cb8c5720 | 45 | |
02d25a9e | 46 | #define LXC_LOG_DATEFOMAT_SIZE 15 |
6b9f3917 | 47 | |
9f4f402a | 48 | int lxc_log_fd = -1; |
64c57ea1 | 49 | static int syslog_enable = 0; |
858377e4 SH |
50 | int lxc_quiet_specified; |
51 | int lxc_log_use_global_fd; | |
52 | static int lxc_loglevel_specified; | |
53 | ||
6b9f3917 | 54 | static char log_prefix[LXC_LOG_PREFIX_SIZE] = "lxc"; |
ab1bf971 | 55 | static char *log_fname = NULL; |
64c57ea1 | 56 | static char *log_vmname = NULL; |
cb8c5720 CLG |
57 | |
58 | lxc_log_define(lxc_log, lxc); | |
59 | ||
64c57ea1 BD |
60 | static int lxc_log_priority_to_syslog(int priority) |
61 | { | |
62 | switch (priority) { | |
63 | case LXC_LOG_PRIORITY_FATAL: | |
64 | return LOG_EMERG; | |
65 | case LXC_LOG_PRIORITY_ALERT: | |
66 | return LOG_ALERT; | |
67 | case LXC_LOG_PRIORITY_CRIT: | |
68 | return LOG_CRIT; | |
69 | case LXC_LOG_PRIORITY_ERROR: | |
70 | return LOG_ERR; | |
71 | case LXC_LOG_PRIORITY_WARN: | |
72 | return LOG_WARNING; | |
73 | case LXC_LOG_PRIORITY_NOTICE: | |
74 | case LXC_LOG_PRIORITY_NOTSET: | |
75 | return LOG_NOTICE; | |
76 | case LXC_LOG_PRIORITY_INFO: | |
77 | return LOG_INFO; | |
78 | case LXC_LOG_PRIORITY_TRACE: | |
79 | case LXC_LOG_PRIORITY_DEBUG: | |
80 | return LOG_DEBUG; | |
81 | } | |
82 | ||
83 | /* Not reached */ | |
84 | return LOG_NOTICE; | |
85 | } | |
86 | ||
87 | /*---------------------------------------------------------------------------*/ | |
88 | static int log_append_syslog(const struct lxc_log_appender *appender, | |
89 | struct lxc_log_event *event) | |
90 | { | |
91 | char *msg; | |
92 | int rc, len; | |
93 | va_list args; | |
94 | ||
95 | if (!syslog_enable) | |
96 | return 0; | |
97 | ||
98 | va_copy(args, *event->vap); | |
99 | len = vsnprintf(NULL, 0, event->fmt, args) + 1; | |
100 | va_end(args); | |
101 | msg = malloc(len * sizeof(char)); | |
102 | if (msg == NULL) | |
103 | return 0; | |
104 | rc = vsnprintf(msg, len, event->fmt, *event->vap); | |
105 | if (rc == -1 || rc >= len) { | |
106 | free(msg); | |
107 | return 0; | |
108 | } | |
109 | ||
110 | syslog(lxc_log_priority_to_syslog(event->priority), | |
76d0127f | 111 | "%s%s %s - %s:%s:%d - %s" , |
64c57ea1 | 112 | log_vmname ? log_vmname : "", |
76d0127f | 113 | log_vmname ? ":" : "", |
64c57ea1 BD |
114 | event->category, |
115 | event->locinfo->file, event->locinfo->func, | |
116 | event->locinfo->line, | |
117 | msg); | |
118 | free(msg); | |
119 | return 0; | |
120 | } | |
121 | ||
d737c074 MN |
122 | /*---------------------------------------------------------------------------*/ |
123 | static int log_append_stderr(const struct lxc_log_appender *appender, | |
124 | struct lxc_log_event *event) | |
125 | { | |
126 | if (event->priority < LXC_LOG_PRIORITY_ERROR) | |
127 | return 0; | |
128 | ||
c3ff6e24 | 129 | fprintf(stderr, "%s: %s%s", log_prefix, log_vmname ? log_vmname : "", log_vmname ? ": " : ""); |
15bc516e | 130 | fprintf(stderr, "%s: %s: %d ", event->locinfo->file, event->locinfo->func, event->locinfo->line); |
d737c074 MN |
131 | vfprintf(stderr, event->fmt, *event->vap); |
132 | fprintf(stderr, "\n"); | |
133 | return 0; | |
134 | } | |
135 | ||
cb8c5720 CLG |
136 | /*---------------------------------------------------------------------------*/ |
137 | static int log_append_logfile(const struct lxc_log_appender *appender, | |
5fd8380b | 138 | struct lxc_log_event *event) |
cb8c5720 | 139 | { |
02d25a9e | 140 | char date[LXC_LOG_DATEFOMAT_SIZE] = "20150427012246"; |
cb8c5720 | 141 | char buffer[LXC_LOG_BUFFER_SIZE]; |
02d25a9e | 142 | const struct tm *t; |
cb8c5720 | 143 | int n; |
97c94afb | 144 | int ms; |
858377e4 | 145 | int fd_to_use = -1; |
42e56013 | 146 | |
858377e4 SH |
147 | #ifndef NO_LXC_CONF |
148 | if (!lxc_log_use_global_fd && current_config) | |
149 | fd_to_use = current_config->logfd; | |
150 | #endif | |
151 | ||
152 | if (fd_to_use == -1) | |
153 | fd_to_use = lxc_log_fd; | |
154 | ||
155 | if (fd_to_use == -1) | |
cb8c5720 CLG |
156 | return 0; |
157 | ||
02d25a9e | 158 | t = localtime(&event->timestamp.tv_sec); |
d16ccca8 | 159 | strftime(date, sizeof(date), "%Y%m%d%H%M%S", t); |
97c94afb | 160 | ms = event->timestamp.tv_usec / 1000; |
cb8c5720 | 161 | n = snprintf(buffer, sizeof(buffer), |
64c57ea1 | 162 | "%15s%s%s %10s.%03d %-8s %s - %s:%s:%d - ", |
cb8c5720 | 163 | log_prefix, |
64c57ea1 BD |
164 | log_vmname ? " " : "", |
165 | log_vmname ? log_vmname : "", | |
02d25a9e | 166 | date, |
97c94afb | 167 | ms, |
cb8c5720 | 168 | lxc_log_priority_to_string(event->priority), |
15bc516e SH |
169 | event->category, |
170 | event->locinfo->file, event->locinfo->func, | |
171 | event->locinfo->line); | |
cb8c5720 CLG |
172 | |
173 | n += vsnprintf(buffer + n, sizeof(buffer) - n, event->fmt, | |
5fd8380b | 174 | *event->vap); |
cb8c5720 CLG |
175 | |
176 | if (n >= sizeof(buffer) - 1) { | |
5fd8380b | 177 | WARN("truncated next event from %d to %zd bytes", n, |
cb8c5720 CLG |
178 | sizeof(buffer)); |
179 | n = sizeof(buffer) - 1; | |
180 | } | |
181 | ||
182 | buffer[n] = '\n'; | |
183 | ||
858377e4 | 184 | return write(fd_to_use, buffer, n + 1); |
cb8c5720 CLG |
185 | } |
186 | ||
64c57ea1 BD |
187 | static struct lxc_log_appender log_appender_syslog = { |
188 | .name = "syslog", | |
189 | .append = log_append_syslog, | |
190 | .next = NULL, | |
191 | }; | |
192 | ||
d737c074 MN |
193 | static struct lxc_log_appender log_appender_stderr = { |
194 | .name = "stderr", | |
195 | .append = log_append_stderr, | |
196 | .next = NULL, | |
197 | }; | |
198 | ||
cb8c5720 CLG |
199 | static struct lxc_log_appender log_appender_logfile = { |
200 | .name = "logfile", | |
201 | .append = log_append_logfile, | |
441e4963 | 202 | .next = NULL, |
cb8c5720 CLG |
203 | }; |
204 | ||
205 | static struct lxc_log_category log_root = { | |
206 | .name = "root", | |
207 | .priority = LXC_LOG_PRIORITY_ERROR, | |
208 | .appender = NULL, | |
209 | .parent = NULL, | |
210 | }; | |
211 | ||
212 | struct lxc_log_category lxc_log_category_lxc = { | |
213 | .name = "lxc", | |
214 | .priority = LXC_LOG_PRIORITY_ERROR, | |
858377e4 | 215 | .appender = &log_appender_logfile, |
cb8c5720 CLG |
216 | .parent = &log_root |
217 | }; | |
218 | ||
219 | /*---------------------------------------------------------------------------*/ | |
5e1e7aaf SH |
220 | static int build_dir(const char *name) |
221 | { | |
222 | char *n = strdup(name); // because we'll be modifying it | |
223 | char *p, *e; | |
224 | int ret; | |
225 | ||
226 | if (!n) { | |
227 | ERROR("Out of memory while creating directory '%s'.", name); | |
228 | return -1; | |
229 | } | |
230 | ||
231 | e = &n[strlen(n)]; | |
232 | for (p = n+1; p < e; p++) { | |
233 | if (*p != '/') | |
234 | continue; | |
235 | *p = '\0'; | |
236 | if (access(n, F_OK)) { | |
237 | ret = lxc_unpriv(mkdir(n, 0755)); | |
8479c136 | 238 | if (ret && errno != EEXIST) { |
5e1e7aaf SH |
239 | SYSERROR("failed to create directory '%s'.", n); |
240 | free(n); | |
241 | return -1; | |
242 | } | |
243 | } | |
244 | *p = '/'; | |
245 | } | |
246 | free(n); | |
247 | return 0; | |
248 | } | |
249 | ||
cb8c5720 CLG |
250 | /*---------------------------------------------------------------------------*/ |
251 | static int log_open(const char *name) | |
252 | { | |
253 | int fd; | |
254 | int newfd; | |
255 | ||
28f602ff DL |
256 | fd = lxc_unpriv(open(name, O_CREAT | O_WRONLY | |
257 | O_APPEND | O_CLOEXEC, 0666)); | |
cb8c5720 CLG |
258 | if (fd == -1) { |
259 | ERROR("failed to open log file \"%s\" : %s", name, | |
260 | strerror(errno)); | |
261 | return -1; | |
262 | } | |
263 | ||
264 | if (fd > 2) | |
265 | return fd; | |
266 | ||
267 | newfd = fcntl(fd, F_DUPFD_CLOEXEC, 3); | |
268 | if (newfd == -1) | |
269 | ERROR("failed to dup log fd %d : %s", fd, strerror(errno)); | |
270 | ||
271 | close(fd); | |
272 | return newfd; | |
273 | } | |
274 | ||
ab1bf971 DE |
275 | /* |
276 | * Build the path to the log file | |
277 | * @name : the name of the container | |
278 | * @lxcpath : the lxcpath to use as a basename or NULL to use LOGPATH | |
ec64264d | 279 | * Returns malloced path on success, or NULL on failure |
ab1bf971 DE |
280 | */ |
281 | static char *build_log_path(const char *name, const char *lxcpath) | |
5e1e7aaf SH |
282 | { |
283 | char *p; | |
ee25a44f DE |
284 | int len, ret, use_dir; |
285 | ||
74f052dd SG |
286 | if (!name) |
287 | return NULL; | |
288 | ||
ee25a44f DE |
289 | #if USE_CONFIGPATH_LOGS |
290 | use_dir = 1; | |
291 | #else | |
292 | use_dir = 0; | |
293 | #endif | |
5e1e7aaf SH |
294 | |
295 | /* | |
ee25a44f DE |
296 | * If USE_CONFIGPATH_LOGS is true or lxcpath is given, the resulting |
297 | * path will be: | |
5e1e7aaf | 298 | * '$logpath' + '/' + '$name' + '/' + '$name' + '.log' + '\0' |
ab1bf971 DE |
299 | * |
300 | * If USE_CONFIGPATH_LOGS is false the resulting path will be: | |
301 | * '$logpath' + '/' + '$name' + '.log' + '\0' | |
5e1e7aaf | 302 | */ |
ab1bf971 | 303 | len = strlen(name) + 6; /* 6 == '/' + '.log' + '\0' */ |
ee25a44f DE |
304 | if (lxcpath) |
305 | use_dir = 1; | |
306 | else | |
ab1bf971 | 307 | lxcpath = LOGPATH; |
ee25a44f DE |
308 | |
309 | if (use_dir) | |
310 | len += strlen(lxcpath) + 1 + strlen(name) + 1; /* add "/$container_name/" */ | |
311 | else | |
312 | len += strlen(lxcpath) + 1; | |
5e1e7aaf SH |
313 | p = malloc(len); |
314 | if (!p) | |
315 | return p; | |
ee25a44f DE |
316 | |
317 | if (use_dir) | |
318 | ret = snprintf(p, len, "%s/%s/%s.log", lxcpath, name, name); | |
319 | else | |
320 | ret = snprintf(p, len, "%s/%s.log", lxcpath, name); | |
321 | ||
5e1e7aaf SH |
322 | if (ret < 0 || ret >= len) { |
323 | free(p); | |
324 | return NULL; | |
325 | } | |
326 | return p; | |
327 | } | |
328 | ||
d9c9b180 SH |
329 | extern void lxc_log_close(void) |
330 | { | |
64c57ea1 BD |
331 | closelog(); |
332 | free(log_vmname); | |
333 | log_vmname = NULL; | |
d9c9b180 SH |
334 | if (lxc_log_fd == -1) |
335 | return; | |
336 | close(lxc_log_fd); | |
337 | lxc_log_fd = -1; | |
338 | free(log_fname); | |
339 | log_fname = NULL; | |
340 | } | |
341 | ||
ab1bf971 DE |
342 | /* |
343 | * This can be called: | |
344 | * 1. when a program calls lxc_log_init with no logfile parameter (in which | |
345 | * case the default is used). In this case lxc.logfile can override this. | |
346 | * 2. when a program calls lxc_log_init with a logfile parameter. In this | |
347 | * case we don't want lxc.logfile to override this. | |
348 | * 3. When a lxc.logfile entry is found in config file. | |
349 | */ | |
350 | static int __lxc_log_set_file(const char *fname, int create_dirs) | |
351 | { | |
352 | if (lxc_log_fd != -1) { | |
353 | // we are overriding the default. | |
d9c9b180 | 354 | lxc_log_close(); |
ab1bf971 DE |
355 | } |
356 | ||
3f53c691 SH |
357 | assert(fname != NULL); |
358 | ||
359 | if (strlen(fname) == 0) { | |
6edbfc86 SG |
360 | log_fname = NULL; |
361 | return 0; | |
362 | } | |
363 | ||
ab1bf971 DE |
364 | #if USE_CONFIGPATH_LOGS |
365 | // we don't build_dir for the default if the default is | |
366 | // i.e. /var/lib/lxc/$container/$container.log | |
367 | if (create_dirs) | |
368 | #endif | |
369 | if (build_dir(fname)) { | |
370 | ERROR("failed to create dir for log file \"%s\" : %s", fname, | |
371 | strerror(errno)); | |
372 | return -1; | |
373 | } | |
374 | ||
375 | lxc_log_fd = log_open(fname); | |
376 | if (lxc_log_fd == -1) | |
377 | return -1; | |
378 | ||
379 | log_fname = strdup(fname); | |
380 | return 0; | |
381 | } | |
382 | ||
383 | static int _lxc_log_set_file(const char *name, const char *lxcpath, int create_dirs) | |
384 | { | |
385 | char *logfile; | |
386 | int ret; | |
387 | ||
388 | logfile = build_log_path(name, lxcpath); | |
389 | if (!logfile) { | |
390 | ERROR("could not build log path"); | |
391 | return -1; | |
392 | } | |
393 | ret = __lxc_log_set_file(logfile, create_dirs); | |
394 | free(logfile); | |
395 | return ret; | |
396 | } | |
5e1e7aaf | 397 | |
64c57ea1 BD |
398 | extern int lxc_log_syslog(int facility) |
399 | { | |
400 | struct lxc_log_appender *appender; | |
401 | ||
402 | openlog(log_prefix, LOG_PID, facility); | |
403 | if (!lxc_log_category_lxc.appender) { | |
404 | lxc_log_category_lxc.appender = &log_appender_syslog; | |
405 | return 0; | |
406 | } | |
407 | appender = lxc_log_category_lxc.appender; | |
408 | while (appender->next != NULL) | |
409 | appender = appender->next; | |
410 | appender->next = &log_appender_syslog; | |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
415 | extern void lxc_log_enable_syslog(void) | |
416 | { | |
417 | syslog_enable = 1; | |
418 | } | |
419 | ||
858377e4 SH |
420 | /* |
421 | * lxc_log_init: | |
422 | * Called from lxc front-end programs (like lxc-create, lxc-start) to | |
423 | * initalize the log defaults. | |
424 | */ | |
5e1e7aaf | 425 | extern int lxc_log_init(const char *name, const char *file, |
ab1bf971 DE |
426 | const char *priority, const char *prefix, int quiet, |
427 | const char *lxcpath) | |
cb8c5720 | 428 | { |
51cab631 | 429 | int lxc_priority = LXC_LOG_PRIORITY_ERROR; |
5e1e7aaf | 430 | int ret; |
51cab631 | 431 | |
ab1bf971 DE |
432 | if (lxc_log_fd != -1) { |
433 | WARN("lxc_log_init called with log already initialized"); | |
2312f31b | 434 | return 0; |
ab1bf971 | 435 | } |
2312f31b | 436 | |
af61c481 | 437 | if (priority) |
b12e1cb5 | 438 | lxc_priority = lxc_log_priority_to_int(priority); |
51cab631 | 439 | |
858377e4 SH |
440 | if (!lxc_loglevel_specified) { |
441 | lxc_log_category_lxc.priority = lxc_priority; | |
442 | lxc_loglevel_specified = 1; | |
443 | } | |
cb8c5720 | 444 | |
01db0197 | 445 | if (!lxc_quiet_specified) { |
01db0197 WD |
446 | if (!quiet) |
447 | lxc_log_category_lxc.appender->next = &log_appender_stderr; | |
448 | } | |
441e4963 | 449 | |
cb8c5720 | 450 | if (prefix) |
ab1bf971 | 451 | lxc_log_set_prefix(prefix); |
74476cf1 | 452 | |
64c57ea1 BD |
453 | if (name) |
454 | log_vmname = strdup(name); | |
455 | ||
ab1bf971 | 456 | if (file) { |
ab1bf971 DE |
457 | if (strcmp(file, "none") == 0) |
458 | return 0; | |
459 | ret = __lxc_log_set_file(file, 1); | |
858377e4 | 460 | lxc_log_use_global_fd = 1; |
5e1e7aaf | 461 | } else { |
74f052dd SG |
462 | /* if no name was specified, there nothing to do */ |
463 | if (!name) | |
464 | return 0; | |
465 | ||
ab1bf971 DE |
466 | ret = -1; |
467 | ||
e0b0b533 DE |
468 | if (!lxcpath) |
469 | lxcpath = LOGPATH; | |
470 | ||
361e0e3c | 471 | /* try LOGPATH if lxcpath is the default for the privileged containers */ |
479bba8b | 472 | if (!geteuid() && strcmp(LXCPATH, lxcpath) == 0) |
ab1bf971 | 473 | ret = _lxc_log_set_file(name, NULL, 0); |
5e1e7aaf | 474 | |
ab1bf971 DE |
475 | /* try in lxcpath */ |
476 | if (ret < 0) | |
477 | ret = _lxc_log_set_file(name, lxcpath, 1); | |
478 | ||
479 | /* try LOGPATH in case its writable by the caller */ | |
480 | if (ret < 0) | |
481 | ret = _lxc_log_set_file(name, NULL, 0); | |
482 | } | |
5e1e7aaf | 483 | |
5e1e7aaf | 484 | /* |
ab1bf971 DE |
485 | * If !file, that is, if the user did not request this logpath, then |
486 | * ignore failures and continue logging to console | |
5e1e7aaf | 487 | */ |
ab1bf971 | 488 | if (!file && ret != 0) { |
5e1e7aaf SH |
489 | INFO("Ignoring failure to open default logfile."); |
490 | ret = 0; | |
491 | } | |
492 | ||
5e1e7aaf | 493 | return ret; |
cb8c5720 | 494 | } |
4a85ce2a SH |
495 | |
496 | /* | |
497 | * This is called when we read a lxc.loglevel entry in a lxc.conf file. This | |
498 | * happens after processing command line arguments, which override the .conf | |
499 | * settings. So only set the level if previously unset. | |
500 | */ | |
858377e4 | 501 | extern int lxc_log_set_level(int *dest, int level) |
4a85ce2a | 502 | { |
4a85ce2a SH |
503 | if (level < 0 || level >= LXC_LOG_PRIORITY_NOTSET) { |
504 | ERROR("invalid log priority %d", level); | |
505 | return -1; | |
506 | } | |
858377e4 | 507 | *dest = level; |
4a85ce2a SH |
508 | return 0; |
509 | } | |
510 | ||
ab1bf971 DE |
511 | extern int lxc_log_get_level(void) |
512 | { | |
ab1bf971 DE |
513 | return lxc_log_category_lxc.priority; |
514 | } | |
515 | ||
fabf7361 QH |
516 | extern bool lxc_log_has_valid_level(void) |
517 | { | |
518 | int log_level = lxc_log_get_level(); | |
519 | if (log_level < 0 || log_level >= LXC_LOG_PRIORITY_NOTSET) | |
520 | return false; | |
521 | return true; | |
522 | } | |
523 | ||
4a85ce2a | 524 | /* |
ab1bf971 DE |
525 | * This is called when we read a lxc.logfile entry in a lxc.conf file. This |
526 | * happens after processing command line arguments, which override the .conf | |
527 | * settings. So only set the file if previously unset. | |
4a85ce2a | 528 | */ |
858377e4 | 529 | extern int lxc_log_set_file(int *fd, const char *fname) |
4a85ce2a | 530 | { |
858377e4 SH |
531 | if (*fd != -1) { |
532 | close(*fd); | |
533 | *fd = -1; | |
534 | } | |
535 | ||
536 | if (build_dir(fname)) { | |
537 | ERROR("failed to create dir for log file \"%s\" : %s", fname, | |
538 | strerror(errno)); | |
539 | return -1; | |
540 | } | |
541 | ||
542 | *fd = log_open(fname); | |
543 | if (*fd == -1) | |
544 | return -errno; | |
545 | return 0; | |
4a85ce2a | 546 | } |
9ea87d5d | 547 | |
ab1bf971 | 548 | extern const char *lxc_log_get_file(void) |
5e1e7aaf | 549 | { |
ab1bf971 | 550 | return log_fname; |
5e1e7aaf SH |
551 | } |
552 | ||
ab1bf971 | 553 | extern void lxc_log_set_prefix(const char *prefix) |
9ea87d5d | 554 | { |
ab1bf971 DE |
555 | strncpy(log_prefix, prefix, sizeof(log_prefix)); |
556 | log_prefix[sizeof(log_prefix) - 1] = 0; | |
9ea87d5d SH |
557 | } |
558 | ||
ab1bf971 | 559 | extern const char *lxc_log_get_prefix(void) |
9ea87d5d | 560 | { |
ab1bf971 | 561 | return log_prefix; |
9ea87d5d | 562 | } |
6edbfc86 SG |
563 | |
564 | extern void lxc_log_options_no_override() | |
565 | { | |
01db0197 | 566 | lxc_quiet_specified = 1; |
858377e4 | 567 | lxc_loglevel_specified = 1; |
6edbfc86 | 568 | } |