[mirror_lxc.git] / src / tests / startone.c

/* liblxcapi
 *
 * Copyright © 2012 Serge Hallyn <serge.hallyn@ubuntu.com>.
 * Copyright © 2012 Canonical Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2, as
 * published by the Free Software Foundation.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#include <lxc/lxccontainer.h>

#include <unistd.h>
#include <signal.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>

#define MYNAME "lxctest1"

static int destroy_container(void)
{
	int status, ret;
	pid_t pid = fork();

	if (pid < 0) {
		perror("fork");
		return -1;
	}

	if (pid == 0) {
		execlp("lxc-destroy", "lxc-destroy", "-f", "-n", MYNAME, NULL);
		exit(EXIT_FAILURE);
	}

again:
	ret = waitpid(pid, &status, 0);
	if (ret == -1) {
		if (errno == EINTR)
			goto again;

		perror("waitpid");
		return -1;
	}

	if (ret != pid)
		goto again;

	if (!WIFEXITED(status))  { // did not exit normally
		fprintf(stderr, "%d: lxc-create exited abnormally\n", __LINE__);
		return -1;
	}

	return WEXITSTATUS(status);
}

static int create_container(void)
{
	int status, ret;
	pid_t pid = fork();

	if (pid < 0) {
		perror("fork");
		return -1;
	}

	if (pid == 0) {
		execlp("lxc-create", "lxc-create", "-t", "busybox", "-n", MYNAME, NULL);
		exit(EXIT_FAILURE);
	}

again:
	ret = waitpid(pid, &status, 0);
	if (ret == -1) {
		if (errno == EINTR)
			goto again;

		perror("waitpid");
		return -1;
	}

	if (ret != pid)
		goto again;

	if (!WIFEXITED(status))  { // did not exit normally
		fprintf(stderr, "%d: lxc-create exited abnormally\n", __LINE__);
		return -1;
	}

	return WEXITSTATUS(status);
}

int main(int argc, char *argv[])
{
	struct lxc_container *c;
	int ret = 0;
	const char *s;
	bool b;
	char buf[201];
	int len;

	ret = 1;

	/* test a real container */
	c = lxc_container_new(MYNAME, NULL);
	if (!c) {
		fprintf(stderr, "%d: error creating lxc_container %s\n", __LINE__, MYNAME);
		ret = 1;
		goto out;
	}

	if (c->is_defined(c)) {
		fprintf(stderr, "%d: %s thought it was defined\n", __LINE__, MYNAME);
		goto out;
	}

	ret = create_container();
	if (ret) {
		fprintf(stderr, "%d: failed to create a container\n", __LINE__);
		goto out;
	}

	b = c->is_defined(c);
	if (!b) {
		fprintf(stderr, "%d: %s thought it was not defined\n", __LINE__, MYNAME);
		goto out;
	}

	len = c->get_cgroup_item(c, "cpuset.cpus", buf, 200);
	if (len >= 0) {
		fprintf(stderr, "%d: %s not running but had cgroup settings\n", __LINE__, MYNAME);
		goto out;
	}

	sprintf(buf, "0");
	b = c->set_cgroup_item(c, "cpuset.cpus", buf);
	if (b) {
		fprintf(stderr, "%d: %s not running but could set cgroup settings\n", __LINE__, MYNAME);
		goto out;
	}

	s = c->state(c);
	if (!s || strcmp(s, "STOPPED")) {
		fprintf(stderr, "%d: %s is in state %s, not in STOPPED.\n", __LINE__, c->name, s ? s : "undefined");
		goto out;
	}

	b = c->load_config(c, NULL);
	if (!b) {
		fprintf(stderr, "%d: %s failed to read its config\n", __LINE__, c->name);
		goto out;
	}

	if (!c->set_config_item(c, "lxc.uts.name", "bobo")) {
		fprintf(stderr, "%d: failed setting lxc.uts.name\n", __LINE__);
		goto out;
	}

	if (!lxc_container_get(c)) {
		fprintf(stderr, "%d: failed to get extra ref to container\n", __LINE__);
		exit(1);
	}

	c->want_daemonize(c, true);
	if (!c->startl(c, 0, NULL)) {
		fprintf(stderr, "%d: %s failed to start\n", __LINE__, c->name);
		exit(1);
	}

	sleep(3);

	s = c->state(c);
	if (!s || strcmp(s, "RUNNING")) {
		fprintf(stderr, "%d: %s is in state %s, not in RUNNING.\n", __LINE__, c->name, s ? s : "undefined");
		goto out;
	}

	len = c->get_cgroup_item(c, "cpuset.cpus", buf, 0);
	if (len <= 0) {
		fprintf(stderr, "%d: not able to get length of cpuset.cpus (ret %d)\n", __LINE__, len);
		goto out;
	}

	len = c->get_cgroup_item(c, "cpuset.cpus", buf, 200);
	if (len <= 0 || strncmp(buf, "0", 1)) {
		fprintf(stderr, "%d: not able to get cpuset.cpus (len %d buf %s)\n", __LINE__, len, buf);
		goto out;
	}

	sprintf(buf, "FROZEN");
	b = c->set_cgroup_item(c, "freezer.state", buf);
	if (!b) {
		fprintf(stderr, "%d: not able to set freezer.state.\n", __LINE__);
		goto out;
	}

	sprintf(buf, "XXX");
	len = c->get_cgroup_item(c, "freezer.state", buf, 200);
	if (len <= 0 || (strcmp(buf, "FREEZING\n") && strcmp(buf, "FROZEN\n"))) {
		fprintf(stderr, "%d: not able to get freezer.state (len %d buf %s)\n", __LINE__, len, buf);
		goto out;
	}

	c->set_cgroup_item(c, "freezer.state", "THAWED");

	c->stop(c);

    /* feh - multilib has moved the lxc-init crap */
#if 0
    goto ok;

	ret = system("mkdir -p " LXCPATH "/lxctest1/rootfs//usr/local/libexec/lxc");
	if (!ret)
		ret = system("mkdir -p " LXCPATH "/lxctest1/rootfs/usr/lib/lxc/");
	if (!ret)
		ret = system("cp src/lxc/lxc-init " LXCPATH "/lxctest1/rootfs//usr/local/libexec/lxc");
	if (!ret)
		ret = system("cp src/lxc/liblxc.so " LXCPATH "/lxctest1/rootfs/usr/lib/lxc");
	if (!ret)
		ret = system("cp src/lxc/liblxc.so " LXCPATH "/lxctest1/rootfs/usr/lib/lxc/liblxc.so.0");
	if (!ret)
		ret = system("cp src/lxc/liblxc.so " LXCPATH "/lxctest1/rootfs/usr/lib");
	if (!ret)
		ret = system("mkdir -p " LXCPATH "/lxctest1/rootfs/dev/shm");
	if (!ret)
		ret = system("chroot " LXCPATH "/lxctest1/rootfs apt-get install --no-install-recommends lxc");
	if (ret) {
		fprintf(stderr, "%d: failed to installing lxc-init in container\n", __LINE__);
		goto out;
	}
	// next write out the config file;  does it match?
	if (!c->startl(c, 1, "/bin/hostname", NULL)) {
		fprintf(stderr, "%d: failed to lxc-execute /bin/hostname\n", __LINE__);
		goto out;
	}
	//  auto-check result?  ('bobo' is printed on stdout)

ok:
#endif
	fprintf(stderr, "all lxc_container tests passed for %s\n", c->name);
	ret = 0;

out:
	if (c) {
		c->stop(c);
		destroy_container();
	}
	lxc_container_put(c);
	exit(ret);
}
Commit	Line	Data
72d0e1cb SG	1	/* liblxcapi
	2	*
	3	* Copyright © 2012 Serge Hallyn <serge.hallyn@ubuntu.com>.
	4	* Copyright © 2012 Canonical Ltd.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2, as
	8	* published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, write to the Free Software Foundation, Inc.,
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	18	*/
948955a2	19	#include <lxc/lxccontainer.h>
72d0e1cb SG	20
	21	#include <unistd.h>
	22	#include <signal.h>
	23	#include <stdio.h>
	24	#include <sys/types.h>
	25	#include <sys/wait.h>
	26	#include <stdlib.h>
95ee490b	27	#include <string.h>
72d0e1cb	28	#include <errno.h>
612c49e1	29	#include <fcntl.h>
72d0e1cb SG	30
	31	#define MYNAME "lxctest1"
	32
787c3ebe	33	static int destroy_container(void)
72d0e1cb SG	34	{
	35	int status, ret;
	36	pid_t pid = fork();
	37
	38	if (pid < 0) {
	39	perror("fork");
	40	return -1;
	41	}
dcfbd1c0	42
72d0e1cb	43	if (pid == 0) {
258611dd CB	44	execlp("lxc-destroy", "lxc-destroy", "-f", "-n", MYNAME, NULL);
258611dd CB	45	exit(EXIT_FAILURE);
72d0e1cb	46	}
dcfbd1c0	47
72d0e1cb SG	48	again:
	49	ret = waitpid(pid, &status, 0);
	50	if (ret == -1) {
21e624d9	51	if (errno == EINTR)
72d0e1cb	52	goto again;
dcfbd1c0	53
72d0e1cb SG	54	perror("waitpid");
	55	return -1;
	56	}
dcfbd1c0	57
72d0e1cb SG	58	if (ret != pid)
72d0e1cb SG	59	goto again;
dcfbd1c0	60
72d0e1cb SG	61	if (!WIFEXITED(status)) { // did not exit normally
	62	fprintf(stderr, "%d: lxc-create exited abnormally\n", __LINE__);
	63	return -1;
	64	}
dcfbd1c0	65
72d0e1cb SG	66	return WEXITSTATUS(status);
	67	}
	68
787c3ebe	69	static int create_container(void)
72d0e1cb SG	70	{
	71	int status, ret;
	72	pid_t pid = fork();
	73
	74	if (pid < 0) {
	75	perror("fork");
	76	return -1;
	77	}
dcfbd1c0	78
72d0e1cb	79	if (pid == 0) {
258611dd CB	80	execlp("lxc-create", "lxc-create", "-t", "busybox", "-n", MYNAME, NULL);
258611dd CB	81	exit(EXIT_FAILURE);
72d0e1cb	82	}
dcfbd1c0	83
72d0e1cb SG	84	again:
	85	ret = waitpid(pid, &status, 0);
	86	if (ret == -1) {
21e624d9	87	if (errno == EINTR)
72d0e1cb	88	goto again;
dcfbd1c0	89
72d0e1cb SG	90	perror("waitpid");
	91	return -1;
	92	}
dcfbd1c0	93
72d0e1cb SG	94	if (ret != pid)
72d0e1cb SG	95	goto again;
dcfbd1c0	96
72d0e1cb SG	97	if (!WIFEXITED(status)) { // did not exit normally
	98	fprintf(stderr, "%d: lxc-create exited abnormally\n", __LINE__);
	99	return -1;
	100	}
dcfbd1c0	101
72d0e1cb SG	102	return WEXITSTATUS(status);
	103	}
	104
	105	int main(int argc, char *argv[])
	106	{
	107	struct lxc_container *c;
	108	int ret = 0;
	109	const char *s;
	110	bool b;
794dd120 SH	111	char buf[201];
794dd120 SH	112	int len;
72d0e1cb SG	113
72d0e1cb SG	114	ret = 1;
dcfbd1c0	115
72d0e1cb	116	/* test a real container */
afeecbba	117	c = lxc_container_new(MYNAME, NULL);
72d0e1cb SG	118	if (!c) {
	119	fprintf(stderr, "%d: error creating lxc_container %s\n", __LINE__, MYNAME);
	120	ret = 1;
	121	goto out;
	122	}
	123
	124	if (c->is_defined(c)) {
	125	fprintf(stderr, "%d: %s thought it was defined\n", __LINE__, MYNAME);
	126	goto out;
	127	}
	128
787c3ebe	129	ret = create_container();
72d0e1cb	130	if (ret) {
787c3ebe	131	fprintf(stderr, "%d: failed to create a container\n", __LINE__);
72d0e1cb SG	132	goto out;
	133	}
	134
	135	b = c->is_defined(c);
	136	if (!b) {
	137	fprintf(stderr, "%d: %s thought it was not defined\n", __LINE__, MYNAME);
	138	goto out;
	139	}
	140
794dd120 SH	141	len = c->get_cgroup_item(c, "cpuset.cpus", buf, 200);
	142	if (len >= 0) {
	143	fprintf(stderr, "%d: %s not running but had cgroup settings\n", __LINE__, MYNAME);
	144	goto out;
	145	}
	146
	147	sprintf(buf, "0");
	148	b = c->set_cgroup_item(c, "cpuset.cpus", buf);
	149	if (b) {
2ed2e5ff	150	fprintf(stderr, "%d: %s not running but could set cgroup settings\n", __LINE__, MYNAME);
794dd120 SH	151	goto out;
	152	}
	153
72d0e1cb SG	154	s = c->state(c);
	155	if (!s \|\| strcmp(s, "STOPPED")) {
	156	fprintf(stderr, "%d: %s is in state %s, not in STOPPED.\n", __LINE__, c->name, s ? s : "undefined");
	157	goto out;
	158	}
	159
	160	b = c->load_config(c, NULL);
	161	if (!b) {
	162	fprintf(stderr, "%d: %s failed to read its config\n", __LINE__, c->name);
	163	goto out;
	164	}
	165
b67771bc	166	if (!c->set_config_item(c, "lxc.uts.name", "bobo")) {
b67771bc	167	fprintf(stderr, "%d: failed setting lxc.uts.name\n", __LINE__);
72d0e1cb SG	168	goto out;
	169	}
	170
72d0e1cb SG	171	if (!lxc_container_get(c)) {
	172	fprintf(stderr, "%d: failed to get extra ref to container\n", __LINE__);
	173	exit(1);
	174	}
4fd0838c SG	175
	176	c->want_daemonize(c, true);
	177	if (!c->startl(c, 0, NULL)) {
	178	fprintf(stderr, "%d: %s failed to start\n", __LINE__, c->name);
	179	exit(1);
72d0e1cb SG	180	}
	181
	182	sleep(3);
dcfbd1c0	183
72d0e1cb SG	184	s = c->state(c);
	185	if (!s \|\| strcmp(s, "RUNNING")) {
	186	fprintf(stderr, "%d: %s is in state %s, not in RUNNING.\n", __LINE__, c->name, s ? s : "undefined");
	187	goto out;
	188	}
	189
794dd120 SH	190	len = c->get_cgroup_item(c, "cpuset.cpus", buf, 0);
	191	if (len <= 0) {
	192	fprintf(stderr, "%d: not able to get length of cpuset.cpus (ret %d)\n", __LINE__, len);
	193	goto out;
	194	}
	195
	196	len = c->get_cgroup_item(c, "cpuset.cpus", buf, 200);
a38c2e6f	197	if (len <= 0 \|\| strncmp(buf, "0", 1)) {
794dd120 SH	198	fprintf(stderr, "%d: not able to get cpuset.cpus (len %d buf %s)\n", __LINE__, len, buf);
	199	goto out;
	200	}
	201
	202	sprintf(buf, "FROZEN");
	203	b = c->set_cgroup_item(c, "freezer.state", buf);
	204	if (!b) {
	205	fprintf(stderr, "%d: not able to set freezer.state.\n", __LINE__);
	206	goto out;
	207	}
	208
dcfbd1c0	209	sprintf(buf, "XXX");
794dd120 SH	210	len = c->get_cgroup_item(c, "freezer.state", buf, 200);
	211	if (len <= 0 \|\| (strcmp(buf, "FREEZING\n") && strcmp(buf, "FROZEN\n"))) {
	212	fprintf(stderr, "%d: not able to get freezer.state (len %d buf %s)\n", __LINE__, len, buf);
	213	goto out;
	214	}
	215
	216	c->set_cgroup_item(c, "freezer.state", "THAWED");
	217
72d0e1cb SG	218	c->stop(c);
72d0e1cb SG	219
794dd120	220	/* feh - multilib has moved the lxc-init crap */
c928f41f	221	#if 0
794dd120 SH	222	goto ok;
794dd120 SH	223
e29bf450	224	ret = system("mkdir -p " LXCPATH "/lxctest1/rootfs//usr/local/libexec/lxc");
9c9b9845	225	if (!ret)
e29bf450	226	ret = system("mkdir -p " LXCPATH "/lxctest1/rootfs/usr/lib/lxc/");
9c9b9845	227	if (!ret)
e29bf450	228	ret = system("cp src/lxc/lxc-init " LXCPATH "/lxctest1/rootfs//usr/local/libexec/lxc");
9c9b9845	229	if (!ret)
e29bf450	230	ret = system("cp src/lxc/liblxc.so " LXCPATH "/lxctest1/rootfs/usr/lib/lxc");
9c9b9845	231	if (!ret)
e29bf450	232	ret = system("cp src/lxc/liblxc.so " LXCPATH "/lxctest1/rootfs/usr/lib/lxc/liblxc.so.0");
9c9b9845	233	if (!ret)
e29bf450	234	ret = system("cp src/lxc/liblxc.so " LXCPATH "/lxctest1/rootfs/usr/lib");
9c9b9845	235	if (!ret)
e29bf450	236	ret = system("mkdir -p " LXCPATH "/lxctest1/rootfs/dev/shm");
9c9b9845	237	if (!ret)
e29bf450	238	ret = system("chroot " LXCPATH "/lxctest1/rootfs apt-get install --no-install-recommends lxc");
9c9b9845 SH	239	if (ret) {
	240	fprintf(stderr, "%d: failed to installing lxc-init in container\n", __LINE__);
	241	goto out;
	242	}
72d0e1cb SG	243	// next write out the config file; does it match?
72d0e1cb SG	244	if (!c->startl(c, 1, "/bin/hostname", NULL)) {
9c9b9845	245	fprintf(stderr, "%d: failed to lxc-execute /bin/hostname\n", __LINE__);
72d0e1cb SG	246	goto out;
	247	}
	248	// auto-check result? ('bobo' is printed on stdout)
	249
794dd120	250	ok:
c928f41f	251	#endif
72d0e1cb SG	252	fprintf(stderr, "all lxc_container tests passed for %s\n", c->name);
	253	ret = 0;
	254
	255	out:
	256	if (c) {
	257	c->stop(c);
787c3ebe	258	destroy_container();
72d0e1cb SG	259	}
	260	lxc_container_put(c);
	261	exit(ret);
	262	}