[mirror_lxc.git] / src / tests / clonetest.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 <errno.h>

#define MYNAME "clonetest1"
#define MYNAME2 "clonetest2"

int main(int argc, char *argv[])
{
	struct lxc_container *c = NULL, *c2 = NULL, *c3 = NULL;
	int ret = 1;

	c = lxc_container_new(MYNAME, NULL);
	c2 = lxc_container_new(MYNAME2, NULL);
	if (c) {
		c->destroy(c);
		lxc_container_put(c);
		c = NULL;
	}
	if (c2) {
		c2->destroy(c2);
		lxc_container_put(c2);
		c2 = NULL;
	}

	if ((c = lxc_container_new(MYNAME, NULL)) == NULL) {
		fprintf(stderr, "%d: error opening lxc_container %s\n", __LINE__, MYNAME);
		ret = 1;
		goto out;
	}
	c->save_config(c, NULL);
	if (!c->createl(c, "busybox", NULL, NULL, 0, NULL)) {
		fprintf(stderr, "%d: failed to create a container\n", __LINE__);
		goto out;
	}
	c->load_config(c, NULL);

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

	c2 = c->clone(c, MYNAME2, NULL, 0, NULL, NULL, 0, NULL);
	if (!c2) {
		fprintf(stderr, "%d: %s clone returned NULL\n", __LINE__, MYNAME2);
		goto out;
	}

	if (!c2->is_defined(c2)) {
		fprintf(stderr, "%d: %s not defined after clone\n", __LINE__, MYNAME2);
		goto out;
	}

	fprintf(stderr, "directory backing store tests passed\n");

	// now test with lvm
	// Only do this if clonetestlvm1 exists - user has to set this up
	// in advance
	c2->destroy(c2);
	lxc_container_put(c2);
	c->destroy(c);
	lxc_container_put(c);
	c = NULL;

	c2 = lxc_container_new("clonetestlvm2", NULL);
	if (c2) {
		if (c2->is_defined(c2))
			c2->destroy(c2);
		lxc_container_put(c2);
	}
	c2 = lxc_container_new("clonetest-o1", NULL);
	if (c2) {
		if (c2->is_defined(c2))
			c2->destroy(c2);
		lxc_container_put(c2);
	}
	c2 = lxc_container_new("clonetest-o2", NULL);
	if (c2) {
		if (c2->is_defined(c2))
			c2->destroy(c2);
		lxc_container_put(c2);
	}
	c2 = NULL;

	// lvm-copied
	c = lxc_container_new("clonetestlvm1", NULL);
	if (!c) {
		fprintf(stderr, "failed loading clonetestlvm1\n");
		goto out;
	}
	if (!c->is_defined(c)) {
		fprintf(stderr, "clonetestlvm1 does not exist, skipping lvm tests\n");
		ret = 0;
		goto out;
	}

	if ((c2 = c->clone(c, "clonetestlvm2", NULL, 0, NULL, NULL, 0, NULL)) == NULL) {
		fprintf(stderr, "lvm clone failed\n");
		goto out;
	}

	lxc_container_put(c2);

	// lvm-snapshot
	c2 = lxc_container_new("clonetestlvm3", NULL);
	if (c2) {
		if (c2->is_defined(c2))
			c2->destroy(c2);
		lxc_container_put(c2);
		c2 = NULL;
	}

	if ((c2 = c->clone(c, "clonetestlvm3", NULL, LXC_CLONE_SNAPSHOT, NULL, NULL, 0, NULL)) == NULL) {
		fprintf(stderr, "lvm clone failed\n");
		goto out;
	}
	lxc_container_put(c2);
	lxc_container_put(c);
	c = c2 = NULL;

	if ((c = lxc_container_new(MYNAME, NULL)) == NULL) {
		fprintf(stderr, "error opening original container for overlay test\n");
		goto out;
	}

	// Now create an overlayfs clone of a dir-backed container
	if ((c2 = c->clone(c, "clonetest-o1", NULL, LXC_CLONE_SNAPSHOT, "overlayfs", NULL, 0, NULL)) == NULL) {
		fprintf(stderr, "overlayfs clone of dir failed\n");
		goto out;
	}

	// Now create an overlayfs clone of the overlayfs clone
	if ((c3 = c2->clone(c2, "clonetest-o2", NULL, LXC_CLONE_SNAPSHOT, "overlayfs", NULL, 0, NULL)) == NULL) {
		fprintf(stderr, "overlayfs clone of overlayfs failed\n");
		goto out;
	}

	fprintf(stderr, "all clone tests passed for %s\n", c->name);
	ret = 0;

out:
	if (c3) {
		lxc_container_put(c3);
	}
	if (c2) {
		c2->destroy(c2);
		lxc_container_put(c2);
	}
	if (c) {
		c->destroy(c);
		lxc_container_put(c);
	}
	exit(ret);
}
Commit	Line	Data
9be53773 SH	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>
9be53773 SH	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>
	27	#include <errno.h>
	28
	29	#define MYNAME "clonetest1"
	30	#define MYNAME2 "clonetest2"
	31
	32	int main(int argc, char *argv[])
	33	{
	34	struct lxc_container c = NULL, c2 = NULL, *c3 = NULL;
	35	int ret = 1;
	36
	37	c = lxc_container_new(MYNAME, NULL);
	38	c2 = lxc_container_new(MYNAME2, NULL);
	39	if (c) {
	40	c->destroy(c);
	41	lxc_container_put(c);
	42	c = NULL;
	43	}
	44	if (c2) {
	45	c2->destroy(c2);
	46	lxc_container_put(c2);
	47	c2 = NULL;
	48	}
	49
	50	if ((c = lxc_container_new(MYNAME, NULL)) == NULL) {
	51	fprintf(stderr, "%d: error opening lxc_container %s\n", __LINE__, MYNAME);
	52	ret = 1;
	53	goto out;
	54	}
	55	c->save_config(c, NULL);
787c3ebe	56	if (!c->createl(c, "busybox", NULL, NULL, 0, NULL)) {
9be53773 SH	57	fprintf(stderr, "%d: failed to create a container\n", __LINE__);
	58	goto out;
	59	}
	60	c->load_config(c, NULL);
	61
	62	if (!c->is_defined(c)) {
	63	fprintf(stderr, "%d: %s thought it was not defined\n", __LINE__, MYNAME);
	64	goto out;
	65	}
	66
481624b3	67	c2 = c->clone(c, MYNAME2, NULL, 0, NULL, NULL, 0, NULL);
9be53773 SH	68	if (!c2) {
	69	fprintf(stderr, "%d: %s clone returned NULL\n", __LINE__, MYNAME2);
	70	goto out;
	71	}
	72
3856bc9f	73	if (!c2->is_defined(c2)) {
9be53773 SH	74	fprintf(stderr, "%d: %s not defined after clone\n", __LINE__, MYNAME2);
	75	goto out;
	76	}
	77
	78	fprintf(stderr, "directory backing store tests passed\n");
	79
	80	// now test with lvm
	81	// Only do this if clonetestlvm1 exists - user has to set this up
	82	// in advance
0898897a	83	c2->destroy(c2);
9be53773	84	lxc_container_put(c2);
0898897a	85	c->destroy(c);
9be53773 SH	86	lxc_container_put(c);
	87	c = NULL;
	88
	89	c2 = lxc_container_new("clonetestlvm2", NULL);
	90	if (c2) {
	91	if (c2->is_defined(c2))
	92	c2->destroy(c2);
	93	lxc_container_put(c2);
	94	}
	95	c2 = lxc_container_new("clonetest-o1", NULL);
	96	if (c2) {
	97	if (c2->is_defined(c2))
	98	c2->destroy(c2);
	99	lxc_container_put(c2);
	100	}
	101	c2 = lxc_container_new("clonetest-o2", NULL);
	102	if (c2) {
	103	if (c2->is_defined(c2))
	104	c2->destroy(c2);
	105	lxc_container_put(c2);
	106	}
	107	c2 = NULL;
	108
	109	// lvm-copied
	110	c = lxc_container_new("clonetestlvm1", NULL);
	111	if (!c) {
	112	fprintf(stderr, "failed loading clonetestlvm1\n");
	113	goto out;
	114	}
	115	if (!c->is_defined(c)) {
	116	fprintf(stderr, "clonetestlvm1 does not exist, skipping lvm tests\n");
	117	ret = 0;
	118	goto out;
	119	}
	120
481624b3	121	if ((c2 = c->clone(c, "clonetestlvm2", NULL, 0, NULL, NULL, 0, NULL)) == NULL) {
9be53773 SH	122	fprintf(stderr, "lvm clone failed\n");
	123	goto out;
	124	}
	125
	126	lxc_container_put(c2);
	127
	128	// lvm-snapshot
	129	c2 = lxc_container_new("clonetestlvm3", NULL);
	130	if (c2) {
	131	if (c2->is_defined(c2))
	132	c2->destroy(c2);
	133	lxc_container_put(c2);
	134	c2 = NULL;
	135	}
	136
481624b3	137	if ((c2 = c->clone(c, "clonetestlvm3", NULL, LXC_CLONE_SNAPSHOT, NULL, NULL, 0, NULL)) == NULL) {
9be53773 SH	138	fprintf(stderr, "lvm clone failed\n");
	139	goto out;
	140	}
	141	lxc_container_put(c2);
	142	lxc_container_put(c);
	143	c = c2 = NULL;
	144
	145	if ((c = lxc_container_new(MYNAME, NULL)) == NULL) {
	146	fprintf(stderr, "error opening original container for overlay test\n");
	147	goto out;
	148	}
	149
	150	// Now create an overlayfs clone of a dir-backed container
481624b3	151	if ((c2 = c->clone(c, "clonetest-o1", NULL, LXC_CLONE_SNAPSHOT, "overlayfs", NULL, 0, NULL)) == NULL) {
9be53773 SH	152	fprintf(stderr, "overlayfs clone of dir failed\n");
	153	goto out;
	154	}
	155
	156	// Now create an overlayfs clone of the overlayfs clone
481624b3	157	if ((c3 = c2->clone(c2, "clonetest-o2", NULL, LXC_CLONE_SNAPSHOT, "overlayfs", NULL, 0, NULL)) == NULL) {
9be53773 SH	158	fprintf(stderr, "overlayfs clone of overlayfs failed\n");
	159	goto out;
	160	}
	161
	162	fprintf(stderr, "all clone tests passed for %s\n", c->name);
	163	ret = 0;
	164
	165	out:
	166	if (c3) {
	167	lxc_container_put(c3);
	168	}
	169	if (c2) {
0898897a	170	c2->destroy(c2);
9be53773 SH	171	lxc_container_put(c2);
	172	}
	173	if (c) {
0898897a	174	c->destroy(c);
9be53773 SH	175	lxc_container_put(c);
	176	}
	177	exit(ret);
	178	}