/*
* lxc_log_init:
* Called from lxc front-end programs (like lxc-create, lxc-start) to
* initalize the log defaults.
*/
extern int lxc_log_init(const char *name, const char *file,
const char *priority, const char *prefix, int quiet,
const char *lxcpath)
{
int lxc_priority = LXC_LOG_PRIORITY_ERROR;
int ret;
if (lxc_log_fd != -1) {
WARN("lxc_log_init called with log already initialized");
return 0;
}
if (priority)
lxc_priority = lxc_log_priority_to_int(priority);
if (!lxc_loglevel_specified) {
lxc_log_category_lxc.priority = lxc_priority;
lxc_loglevel_specified = 1;
}
if (!lxc_quiet_specified) {
if (!quiet)
lxc_log_category_lxc.appender->next = &log_appender_stderr;
}
if (prefix)
lxc_log_set_prefix(prefix);
if (file) {
if (strcmp(file, "none") == 0)
return 0;
ret = __lxc_log_set_file(file, 1);
lxc_log_use_global_fd = 1;
} else {
/* if no name was specified, there nothing to do */
if (!name)
return 0;
ret = -1;
if (!lxcpath)
lxcpath = LOGPATH;
/* try LOGPATH if lxcpath is the default for the privileged containers */
if (!geteuid() && strcmp(LXCPATH, lxcpath) == 0)
ret = _lxc_log_set_file(name, NULL, 0);
/* try in lxcpath */
if (ret < 0)
ret = _lxc_log_set_file(name, lxcpath, 1);
/* try LOGPATH in case its writable by the caller */
if (ret < 0)
ret = _lxc_log_set_file(name, NULL, 0);
}
/*
* If !file, that is, if the user did not request this logpath, then
* ignore failures and continue logging to console
*/
if (!file && ret != 0) {
INFO("Ignoring failure to open default logfile.");
ret = 0;
}
return ret;
}
extern int lxc_log_init(const char *name, const char *file,
const char *priority, const char *prefix, int quiet,
const char *lxcpath)
{
int lxc_priority = LXC_LOG_PRIORITY_ERROR;
int ret;
if (lxc_log_fd != -1) {
WARN("lxc_log_init called with log already initialized");
return 0;
}
if (priority) {
if (lxc_priority == LXC_LOG_PRIORITY_NOTSET) {
ERROR("invalid log priority %s", priority);
return -1;
}
lxc_loglevel_specified = 1;
lxc_priority = lxc_log_priority_to_int(priority);
}
lxc_log_category_lxc.priority = lxc_priority;
lxc_log_category_lxc.appender = &log_appender_logfile;
if (!quiet)
lxc_log_category_lxc.appender->next = &log_appender_stderr;
if (prefix)
lxc_log_set_prefix(prefix);
if (file) {
if (strcmp(file, "none") == 0)
return 0;
lxc_logfile_specified = 1;
ret = __lxc_log_set_file(file, 1);
} else {
ret = -1;
if (!lxcpath)
lxcpath = LOGPATH;
/* try LOGPATH if lxcpath is the default */
if (strcmp(lxcpath, default_lxc_path()) == 0)
ret = _lxc_log_set_file(name, NULL, 0);
/* try in lxcpath */
if (ret < 0)
ret = _lxc_log_set_file(name, lxcpath, 1);
/* try LOGPATH in case its writable by the caller */
if (ret < 0)
ret = _lxc_log_set_file(name, NULL, 0);
}
/*
* If !file, that is, if the user did not request this logpath, then
* ignore failures and continue logging to console
*/
if (!file && ret != 0) {
INFO("Ignoring failure to open default logfile.");
ret = 0;
}
return ret;
}