/*---------------------------------------------------------------------------*/
static int log_append_logfile(const struct lxc_log_appender *appender,
struct lxc_log_event *event)
{
char buffer[LXC_LOG_BUFFER_SIZE];
int n;
int ms;
if (lxc_log_fd == -1)
return 0;
ms = event->timestamp.tv_usec / 1000;
n = snprintf(buffer, sizeof(buffer),
"%15s %10ld.%03d %-8s %s - ",
log_prefix,
event->timestamp.tv_sec,
ms,
lxc_log_priority_to_string(event->priority),
event->category);
n += vsnprintf(buffer + n, sizeof(buffer) - n, event->fmt,
*event->vap);
if (n >= sizeof(buffer) - 1) {
WARN("truncated next event from %d to %zd bytes", n,
sizeof(buffer));
n = sizeof(buffer) - 1;
}
buffer[n] = '\n';
return write(lxc_log_fd, buffer, n + 1);
}
static int execute_start(struct lxc_handler *handler, void* data)
{
int j, i = 0;
struct execute_args *my_args = data;
char **argv;
int argc = 0, argc_add;
char *initpath;
while (my_args->argv[argc++]);
argc_add = 4;
if (my_args->quiet)
argc_add++;
if (!handler->conf->rootfs.path) {
argc_add += 4;
if (lxc_log_has_valid_level())
argc_add += 2;
}
argv = malloc((argc + argc_add) * sizeof(*argv));
if (!argv)
goto out1;
initpath = choose_init();
if (!initpath) {
ERROR("Failed to find an lxc-init");
goto out2;
}
argv[i++] = initpath;
if (my_args->quiet)
argv[i++] = "--quiet";
if (!handler->conf->rootfs.path) {
argv[i++] = "--name";
argv[i++] = (char *)handler->name;
argv[i++] = "--lxcpath";
argv[i++] = (char *)handler->lxcpath;
if (lxc_log_has_valid_level()) {
argv[i++] = "--logpriority";
argv[i++] = (char *)
lxc_log_priority_to_string(lxc_log_get_level());
}
}
argv[i++] = "--";
for (j = 0; j < argc; j++)
argv[i++] = my_args->argv[j];
argv[i++] = NULL;
NOTICE("exec'ing '%s'", my_args->argv[0]);
execvp(argv[0], argv);
SYSERROR("failed to exec %s", argv[0]);
free(initpath);
out2:
free(argv);
out1:
return 1;
}
/*---------------------------------------------------------------------------*/
static int log_append_logfile(const struct lxc_log_appender *appender,
struct lxc_log_event *event)
{
char date[LXC_LOG_DATEFOMAT_SIZE] = "20150427012246";
char buffer[LXC_LOG_BUFFER_SIZE];
const struct tm *t;
int n;
int ms;
int fd_to_use = -1;
#ifndef NO_LXC_CONF
if (!lxc_log_use_global_fd && current_config)
fd_to_use = current_config->logfd;
#endif
if (fd_to_use == -1)
fd_to_use = lxc_log_fd;
if (fd_to_use == -1)
return 0;
t = localtime(&event->timestamp.tv_sec);
strftime(date, sizeof(date), "%Y%m%d%H%M%S", t);
ms = event->timestamp.tv_usec / 1000;
n = snprintf(buffer, sizeof(buffer),
"%15s%s%s %10s.%03d %-8s %s - %s:%s:%d - ",
log_prefix,
log_vmname ? " " : "",
log_vmname ? log_vmname : "",
date,
ms,
lxc_log_priority_to_string(event->priority),
event->category,
event->locinfo->file, event->locinfo->func,
event->locinfo->line);
if (n < 0)
return n;
if (n < sizeof(buffer) - 1)
n += vsnprintf(buffer + n, sizeof(buffer) - n, event->fmt,
*event->vap);
else {
WARN("truncated next event from %d to %zd bytes", n,
sizeof(buffer));
n = sizeof(buffer) - 1;
}
buffer[n] = '\n';
return write(fd_to_use, buffer, n + 1);
}
/*---------------------------------------------------------------------------*/
static int log_append_logfile(const struct lxc_log_appender *appender,
struct lxc_log_event *event)
{
char buffer[LXC_LOG_BUFFER_SIZE];
int n;
int ms;
int fd_to_use = -1;
#ifndef NO_LXC_CONF
if (!lxc_log_use_global_fd && current_config)
fd_to_use = current_config->logfd;
#endif
if (fd_to_use == -1)
fd_to_use = lxc_log_fd;
if (fd_to_use == -1)
return 0;
ms = event->timestamp.tv_usec / 1000;
n = snprintf(buffer, sizeof(buffer),
"%15s %10ld.%03d %-8s %s - %s:%s:%d - ",
log_prefix,
event->timestamp.tv_sec,
ms,
lxc_log_priority_to_string(event->priority),
event->category,
event->locinfo->file, event->locinfo->func,
event->locinfo->line);
n += vsnprintf(buffer + n, sizeof(buffer) - n, event->fmt,
*event->vap);
if (n >= sizeof(buffer) - 1) {
WARN("truncated next event from %d to %zd bytes", n,
sizeof(buffer));
n = sizeof(buffer) - 1;
}
buffer[n] = '\n';
return write(fd_to_use, buffer, n + 1);
}
static int execute_start(struct lxc_handler *handler, void* data)
{
int j, i = 0;
struct execute_args *my_args = data;
char **argv;
int argc = 0, argc_add;
char *initpath;
while (my_args->argv[argc++]);
/* lxc-init -n name -- [argc] NULL -> 5 */
argc_add = 5;
if (my_args->quiet)
argc_add++;
if (!handler->conf->rootfs.path)
argc_add += 2;
if (lxc_log_has_valid_level())
argc_add += 2;
argv = malloc((argc + argc_add) * sizeof(*argv));
if (!argv)
goto out1;
initpath = choose_init(NULL);
if (!initpath) {
ERROR("Failed to find an init.lxc or init.lxc.static");
goto out2;
}
argv[i++] = initpath;
argv[i++] = "-n";
argv[i++] = (char *)handler->name;
if (lxc_log_has_valid_level()) {
argv[i++] = "-l";
argv[i++] = (char *)lxc_log_priority_to_string(lxc_log_get_level());
}
if (handler->conf->logfile) {
argv[i++] = "-o";
argv[i++] = (char *)handler->conf->logfile;
}
if (my_args->quiet)
argv[i++] = "--quiet";
if (!handler->conf->rootfs.path) {
argv[i++] = "-P";
argv[i++] = (char *)handler->lxcpath;
}
argv[i++] = "--";
for (j = 0; j < argc; j++)
argv[i++] = my_args->argv[j];
argv[i++] = NULL;
NOTICE("Exec'ing \"%s\"", my_args->argv[0]);
execvp(argv[0], argv);
SYSERROR("Failed to exec %s", argv[0]);
free(initpath);
out2:
free(argv);
out1:
return 1;
}
