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/*
* Copyright (C) 2000-2010, Parallels, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <signal.h>
#include <limits.h>
#include "vzctl.h"
#include "env.h"
#include "logger.h"
#include "exec.h"
#include "config.h"
#include "vzerror.h"
#include "types.h"
#include "util.h"
#include "modules.h"
struct mod_action g_action;
char *_proc_title;
int _proc_title_len;
void init_modules(struct mod_action *action, const char *name);
void free_modules(struct mod_action *action);
int parse_action_opt(envid_t veid, act_t action, int argc, char *argv[],
vps_param *param, const char *name);
int run_action(envid_t veid, act_t action, vps_param *g_p, vps_param *vps_p,
vps_param *cmd_p, int argc, char **argv, int skiplock);
void version(FILE *fp)
{
fprintf(fp, "vzctl version " VERSION "\n");
}
void usage(int rc)
{
struct mod_action mod;
FILE *fp = rc ? stderr : stdout;
version(fp);
fprintf(fp,
"Copyright (C) 2000-2010, Parallels, Inc.\n"
"This program may be distributed under the terms of the GNU GPL License.\n"
"\n"
"Usage: vzctl [options] <command> <ctid> [parameters]\n"
"\n"
"vzctl create <ctid> [--ostemplate <name>] [--config <name>]\n"
" [--private <path>] [--root <path>] [--ipadd <addr>] | [--hostname <name>]\n"
"vzctl start <ctid> [--force] [--wait]\n"
"vzctl destroy | mount | umount | stop | restart | status <ctid>\n"
"vzctl quotaon | quotaoff | quotainit <ctid>\n"
"vzctl enter <ctid> [--exec <command> [arg ...]]\n"
"vzctl exec | exec2 <ctid> <command> [arg ...]\n"
"vzctl runscript <ctid> <script>\n"
"vzctl chkpnt <ctid> [--dumpfile <name>]\n"
"vzctl restore <ctid> [--dumpfile <name>]\n"
"vzctl set <ctid> [--save] [--force] [--setmode restart|ignore]\n"
" [--ipadd <addr>] [--ipdel <addr>|all] [--hostname <name>]\n"
" [--nameserver <addr>] [--searchdomain <name>]\n"
" [--onboot yes|no] [--bootorder <N>]\n"
" [--userpasswd <user>:<passwd>] [--cpuunits <N>] [--cpulimit <N>] [--cpus <N>]\n"
" [--diskspace <soft>[:<hard>]] [--diskinodes <soft>[:<hard>]]\n"
" [--quotatime <N>] [--quotaugidlimit <N>]\n"
" [--noatime yes|no] [--capability <name>:on|off ...]\n"
" [--devices b|c:major:minor|all:r|w|rw]\n"
" [--devnodes device:r|w|rw|none]\n"
" [--netif_add <ifname[,mac,host_ifname,host_mac,bridge]]>]\n"
" [--netif_del <ifname>]\n"
" [--applyconfig <name>] [--applyconfig_map <name>]\n"
" [--features <name:on|off>] [--name <vename>]\n"
" [--ioprio <N>]\n"
" [--iptables <name>] [--disabled <yes|no>]\n"
" [UBC parameters]\n"
"\n"
"UBC parameters (N - items, P - pages, B - bytes):\n"
"Two numbers divided by colon means barrier:limit.\n"
"In case the limit is not given it is set to the same value as the barrier.\n"
" --numproc N[:N] --numtcpsock N[:N] --numothersock N[:N]\n"
" --vmguarpages P[:P] --kmemsize B[:B] --tcpsndbuf B[:B]\n"
" --tcprcvbuf B[:B] --othersockbuf B[:B] --dgramrcvbuf B[:B]\n"
" --oomguarpages P[:P] --lockedpages P[:P] --privvmpages P[:P]\n"
" --shmpages P[:P] --numfile N[:N] --numflock N[:N]\n"
" --numpty N[:N] --numsiginfo N[:N] --dcachesize N[:N]\n"
" --numiptent N[:N] --physpages P[:P] --avnumproc N[:N]\n"
" --swappages P[:P]\n"
);
memset(&mod, 0, sizeof(mod));
set_log_level(0);
init_modules(&mod, NULL);
mod_print_usage(&mod);
free_modules(&mod);
exit(rc);
}
int main(int argc, char *argv[], char *envp[])
{
act_t action = -1;
int verbose = 0;
int verbose_tmp;
int verbose_custom = 0;
int quiet = 0;
int veid, ret, skiplock = 0;
char buf[256];
vps_param *gparam = NULL, *vps_p = NULL, *cmd_p = NULL;
const char *action_nm;
struct sigaction act;
char *name = NULL, *opt;
_proc_title = argv[0];
_proc_title_len = envp[0] - argv[0];
gparam = init_vps_param();
vps_p = init_vps_param();
cmd_p = init_vps_param();
sigemptyset(&act.sa_mask);
act.sa_handler = SIG_IGN;
act.sa_flags = 0;
sigaction(SIGPIPE, &act, NULL);
while (argc > 1) {
opt = argv[1];
if (!strcmp(opt, "--verbose")) {
if (argc > 2 &&
!parse_int(argv[2], &verbose_tmp))
{
verbose += verbose_tmp;
argc--; argv++;
} else {
verbose++;
}
verbose_custom = 1;
} else if (!strncmp(opt, "--verbose=", 10)) {
if (parse_int(opt + 10, &verbose_tmp)) {
fprintf(stderr, "Invalid value for"
" --verbose\n");
exit(VZ_INVALID_PARAMETER_VALUE);
}
verbose += verbose_tmp;
verbose_custom = 1;
} else if (!strcmp(opt, "--quiet"))
quiet = 1;
else if (!strcmp(opt, "--version")) {
version(stdout);
exit(0);
} else if (!strcmp(opt, "--skiplock"))
skiplock = YES;
else
break;
argc--; argv++;
}
if (argc <= 1)
usage(VZ_INVALID_PARAMETER_SYNTAX);
action_nm = argv[1];
init_log(NULL, 0, 1, verbose, 0, NULL);
if (!strcmp(argv[1], "set")) {
init_modules(&g_action, "set");
action = ACTION_SET;
} else if (!strcmp(argv[1], "create")) {
init_modules(&g_action, "create");
action = ACTION_CREATE;
} else if (!strcmp(argv[1], "start")) {
init_modules(&g_action, "set");
action = ACTION_START;
} else if (!strcmp(argv[1], "stop")) {
init_modules(&g_action, "set");
action = ACTION_STOP;
} else if (!strcmp(argv[1], "restart")) {
action = ACTION_RESTART;
} else if (!strcmp(argv[1], "destroy") || !strcmp(argv[1], "delete")) {
action = ACTION_DESTROY;
} else if (!strcmp(argv[1], "mount")) {
action = ACTION_MOUNT;
} else if (!strcmp(argv[1], "umount")) {
action = ACTION_UMOUNT;
} else if (!strcmp(argv[1], "exec3")) {
action = ACTION_EXEC3;
} else if (!strcmp(argv[1], "exec2")) {
action = ACTION_EXEC2;
} else if (!strcmp(argv[1], "exec")) {
action = ACTION_EXEC;
} else if (!strcmp(argv[1], "runscript")) {
action = ACTION_RUNSCRIPT;
} else if (!strcmp(argv[1], "enter")) {
action = ACTION_ENTER;
} else if (!strcmp(argv[1], "status")) {
action = ACTION_STATUS;
quiet = 1;
} else if (!strcmp(argv[1], "chkpnt")) {
action = ACTION_CHKPNT;
} else if (!strcmp(argv[1], "restore")) {
action = ACTION_RESTORE;
} else if (!strcmp(argv[1], "quotaon")) {
action = ACTION_QUOTAON;
} else if (!strcmp(argv[1], "quotaoff")) {
action = ACTION_QUOTAOFF;
} else if (!strcmp(argv[1], "quotainit")) {
action = ACTION_QUOTAINIT;
} else if (!strcmp(argv[1], "--help")) {
usage(0);
} else {
init_modules(&g_action, action_nm);
action = ACTION_CUSTOM;
if (!g_action.mod_count) {
fprintf(stderr, "Bad command: %s\n", argv[1]);
ret = VZ_INVALID_PARAMETER_SYNTAX;
goto error;
}
}
if (argc < 3) {
fprintf(stderr, "CT ID missing\n");
ret = VZ_INVALID_PARAMETER_VALUE;
goto error;
}
if (parse_int(argv[2], &veid)) {
name = strdup(argv[2]);
veid = get_veid_by_name(name);
if (veid < 0 || veid == INT_MAX) {
fprintf(stderr, "Bad CT ID %s\n", argv[2]);
ret = VZ_INVALID_PARAMETER_VALUE;
goto error;
}
}
argc -= 2; argv += 2;
/* Read global config file */
if (vps_parse_config(veid, GLOBAL_CFG, gparam, &g_action)) {
fprintf(stderr, "Global configuration file %s not found\n",
GLOBAL_CFG);
ret = VZ_NOCONFIG;
goto error;
}
init_log(gparam->log.log_file, veid, gparam->log.enable != NO,
gparam->log.level, quiet, "vzctl");
/* Set verbose level from global config if not overwriten
by --verbose
*/
if (!verbose_custom && gparam->log.verbose != NULL) {
verbose = *gparam->log.verbose;
verbose_custom = 1;
}
if (verbose < -1)
verbose = -1;
if (verbose_custom)
set_log_verbose(verbose);
if ((ret = parse_action_opt(veid, action, argc, argv, cmd_p,
action_nm)))
{
goto error;
}
if (veid == 0 && action != ACTION_SET) {
fprintf(stderr, "Only set actions are allowed for CT0\n");
ret = VZ_INVALID_PARAMETER_VALUE;
goto error;
} else if (veid < 0) {
fprintf(stderr, "Bad CT ID %d\n", veid);
ret = VZ_INVALID_PARAMETER_VALUE;
goto error;
}
get_vps_conf_path(veid, buf, sizeof(buf));
if (stat_file(buf)) {
if (vps_parse_config(veid, buf, vps_p, &g_action)) {
logger(-1, 0, "Error in config file %s",
buf);
ret = VZ_NOCONFIG;
goto error;
}
if (name != NULL &&
vps_p->res.name.name != NULL &&
strcmp(name, vps_p->res.name.name))
{
logger(-1, 0, "Unable to find container by name %s",
name);
ret = VZ_INVALID_PARAMETER_VALUE;
goto error;
}
} else if (action != ACTION_CREATE &&
action != ACTION_STATUS &&
action != ACTION_SET)
{
logger(-1, 0, "Container config file does not exist");
ret = VZ_NOVECONFIG;
goto error;
}
merge_vps_param(gparam, vps_p);
merge_global_param(cmd_p, gparam);
ret = run_action(veid, action, gparam, vps_p, cmd_p, argc-1, argv+1,
skiplock);
error:
free_modules(&g_action);
free_vps_param(gparam);
free_vps_param(vps_p);
free_vps_param(cmd_p);
free_log();
free(name);
return ret;
}