#include "confile.h"
#include "log.h"
-static struct lxc_list defines;
-
lxc_log_define(lxc_start, lxc);
-static int ensure_path(struct lxc_arguments *args, char **confpath, const char *path)
-{
- int err = -1, fd;
- char *fullpath = NULL;
-
- if (path) {
- if (access(path, W_OK)) {
- fd = creat(path, 0600);
- if (fd < 0 && errno != EEXIST) {
- ERROR("Failed to create '%s'", path);
- goto err;
- }
-
- if (fd >= 0)
- close(fd);
- }
+static int my_parser(struct lxc_arguments *args, int c, char *arg);
+static int ensure_path(struct lxc_arguments *args, char **confpath, const char *path);
- fullpath = realpath(path, NULL);
- if (!fullpath) {
- ERROR("Failed to get the real path of '%s'", path);
- goto err;
- }
-
- *confpath = fullpath;
- }
+static struct lxc_list defines;
- err = EXIT_SUCCESS;
+static const struct option my_longopts[] = {
+ {"daemon", no_argument, 0, 'd'},
+ {"foreground", no_argument, 0, 'F'},
+ {"rcfile", required_argument, 0, 'f'},
+ {"define", required_argument, 0, 's'},
+ {"console", required_argument, 0, 'c'},
+ {"console-log", required_argument, 0, 'L'},
+ {"close-all-fds", no_argument, 0, 'C'},
+ {"pidfile", required_argument, 0, 'p'},
+ {"share-net", required_argument, 0, OPT_SHARE_NET},
+ {"share-ipc", required_argument, 0, OPT_SHARE_IPC},
+ {"share-uts", required_argument, 0, OPT_SHARE_UTS},
+ {"share-pid", required_argument, 0, OPT_SHARE_PID},
+ LXC_COMMON_OPTIONS
+};
-err:
- return err;
-}
+static struct lxc_arguments my_args = {
+ .progname = "lxc-start",
+ .help = "\
+--name=NAME -- COMMAND\n\
+\n\
+lxc-start start COMMAND in specified container NAME\n\
+\n\
+Options :\n\
+ -n, --name=NAME NAME of the container\n\
+ -d, --daemon Daemonize the container (default)\n\
+ -F, --foreground Start with the current tty attached to /dev/console\n\
+ -p, --pidfile=FILE Create a file with the process id\n\
+ -f, --rcfile=FILE Load configuration file FILE\n\
+ -c, --console=FILE Use specified FILE for the container console\n\
+ -L, --console-log=FILE Log container console output to FILE\n\
+ -C, --close-all-fds If any fds are inherited, close them\n\
+ If not specified, exit with failure instead\n\
+ Note: --daemon implies --close-all-fds\n\
+ -s, --define KEY=VAL Assign VAL to configuration variable KEY\n\
+ --share-[net|ipc|uts|pid]=NAME Share a namespace with another container or pid\n\
+",
+ .options = my_longopts,
+ .parser = my_parser,
+ .checker = NULL,
+ .log_priority = "ERROR",
+ .log_file = "none",
+ .daemonize = 1,
+ .pidfile = NULL,
+};
static int my_parser(struct lxc_arguments *args, int c, char *arg)
{
return 0;
}
-static const struct option my_longopts[] = {
- {"daemon", no_argument, 0, 'd'},
- {"foreground", no_argument, 0, 'F'},
- {"rcfile", required_argument, 0, 'f'},
- {"define", required_argument, 0, 's'},
- {"console", required_argument, 0, 'c'},
- {"console-log", required_argument, 0, 'L'},
- {"close-all-fds", no_argument, 0, 'C'},
- {"pidfile", required_argument, 0, 'p'},
- {"share-net", required_argument, 0, OPT_SHARE_NET},
- {"share-ipc", required_argument, 0, OPT_SHARE_IPC},
- {"share-uts", required_argument, 0, OPT_SHARE_UTS},
- {"share-pid", required_argument, 0, OPT_SHARE_PID},
- LXC_COMMON_OPTIONS
-};
+static int ensure_path(struct lxc_arguments *args, char **confpath, const char *path)
+{
+ int fd;
+ char *fullpath = NULL;
-static struct lxc_arguments my_args = {
- .progname = "lxc-start",
- .help = "\
---name=NAME -- COMMAND\n\
-\n\
-lxc-start start COMMAND in specified container NAME\n\
-\n\
-Options :\n\
- -n, --name=NAME NAME of the container\n\
- -d, --daemon Daemonize the container (default)\n\
- -F, --foreground Start with the current tty attached to /dev/console\n\
- -p, --pidfile=FILE Create a file with the process id\n\
- -f, --rcfile=FILE Load configuration file FILE\n\
- -c, --console=FILE Use specified FILE for the container console\n\
- -L, --console-log=FILE Log container console output to FILE\n\
- -C, --close-all-fds If any fds are inherited, close them\n\
- If not specified, exit with failure instead\n\
- Note: --daemon implies --close-all-fds\n\
- -s, --define KEY=VAL Assign VAL to configuration variable KEY\n\
- --share-[net|ipc|uts|pid]=NAME Share a namespace with another container or pid\n\
-",
- .options = my_longopts,
- .parser = my_parser,
- .checker = NULL,
- .daemonize = 1,
- .pidfile = NULL,
-};
+ if (path) {
+ if (access(path, W_OK)) {
+ fd = creat(path, 0600);
+ if (fd < 0 && errno != EEXIST) {
+ ERROR("Failed to create '%s'", path);
+ return -1;
+ }
+
+ if (fd >= 0)
+ close(fd);
+ }
+
+ fullpath = realpath(path, NULL);
+ if (!fullpath) {
+ ERROR("Failed to get the real path of '%s'", path);
+ return -1;
+ }
+
+ *confpath = fullpath;
+ }
+
+ return 0;
+}
int main(int argc, char *argv[])
{
else
args = my_args.argv;
- /* Only create log if explicitly instructed */
- if (my_args.log_file || my_args.log_priority) {
- log.name = my_args.name;
- log.file = my_args.log_file;
- log.level = my_args.log_priority;
- log.prefix = my_args.progname;
- log.quiet = my_args.quiet;
- log.lxcpath = my_args.lxcpath[0];
+ log.name = my_args.name;
+ log.file = my_args.log_file;
+ log.level = my_args.log_priority;
+ log.prefix = my_args.progname;
+ log.quiet = my_args.quiet;
+ log.lxcpath = my_args.lxcpath[0];
- if (lxc_log_init(&log))
- exit(err);
- }
+ if (lxc_log_init(&log))
+ exit(err);
lxcpath = my_args.lxcpath[0];
if (access(lxcpath, O_RDONLY) < 0) {
goto out;
}
- if (my_args.pidfile != NULL) {
+ if (my_args.pidfile)
if (ensure_path(&my_args, &c->pidfile, my_args.pidfile) < 0) {
ERROR("Failed to ensure pidfile '%s'", my_args.pidfile);
goto out;
}
- }
if (my_args.console)
if (!c->set_config_item(c, "lxc.console.path", my_args.console))
if (!lxc_setup_shared_ns(&my_args, c))
goto out;
- if (!my_args.daemonize) {
+ if (!my_args.daemonize)
c->want_daemonize(c, false);
- }
if (my_args.close_all_fds)
c->want_close_all_fds(c, true);
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