/* liblxcapi
*
- * Copyright © 2013 Serge Hallyn <serge.hallyn@ubuntu.com>.
- * Copyright © 2013 Canonical Ltd.
+ * Copyright © 2013 Serge Hallyn <serge.hallyn@ubuntu.com>.
+ * Copyright © 2013 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
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+
+#include "config.h"
+
#include <lxc/lxccontainer.h>
#include <errno.h>
#include <stdlib.h>
-#include "../lxc/lxc.h"
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include "lxc.h"
#define MYNAME "snapxxx1"
+#define MYNAME2 "snapxxx3"
#define RESTNAME "snapxxx2"
-void try_to_remove()
+static void try_to_remove(void)
{
struct lxc_container *c;
- char snappath[1024];
+
c = lxc_container_new(RESTNAME, NULL);
if (c) {
+ c->snapshot_destroy_all(c);
if (c->is_defined(c))
c->destroy(c);
+
lxc_container_put(c);
}
- snprintf(snappath, 1024, "%ssnaps/%s", lxc_get_default_config_path(), MYNAME);
- c = lxc_container_new("snap0", snappath);
+
+ c = lxc_container_new(MYNAME2, NULL);
if (c) {
- if (c->is_defined(c))
- c->destroy(c);
+ c->destroy_with_snapshots(c);
lxc_container_put(c);
}
+
c = lxc_container_new(MYNAME, NULL);
if (c) {
+ c->snapshot_destroy_all(c);
if (c->is_defined(c))
c->destroy(c);
+
lxc_container_put(c);
}
}
int main(int argc, char *argv[])
{
- struct lxc_container *c;
+ int i, n, ret;
+ char path[1024];
+ struct stat sb;
+ struct lxc_snapshot *s;
+ struct lxc_container *c, *c2 = NULL;
char *template = "busybox";
if (argc > 1)
template = argv[1];
try_to_remove();
+
c = lxc_container_new(MYNAME, NULL);
if (!c) {
fprintf(stderr, "%s: %d: failed to load first container\n", __FILE__, __LINE__);
- exit(1);
+ exit(EXIT_FAILURE);
}
if (c->is_defined(c)) {
fprintf(stderr, "%d: %s thought it was defined\n", __LINE__, MYNAME);
- (void) c->destroy(c);
+ (void) c->destroy_with_snapshots(c);
}
- if (!c->set_config_item(c, "lxc.network.type", "empty")) {
+
+ if (!c->set_config_item(c, "lxc.net.0.type", "empty")) {
fprintf(stderr, "%s: %d: failed to set network type\n", __FILE__, __LINE__);
goto err;
}
+
c->save_config(c, NULL);
+
if (!c->createl(c, template, NULL, NULL, 0, NULL)) {
fprintf(stderr, "%s: %d: failed to create %s container\n", __FILE__, __LINE__, template);
goto err;
}
+
c->load_config(c, NULL);
if (c->snapshot(c, NULL) != 0) {
- fprintf(stderr, "%s: %d: failed to create snapsot\n", __FILE__, __LINE__);
+ fprintf(stderr, "%s: %d: failed to create snapshot\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+ // rootfs should be ${lxcpath}${lxcname}/snaps/snap0/rootfs
+ ret = snprintf(path, 1024, "%s/%s/snaps/snap0/rootfs", lxc_get_global_config_item("lxc.lxcpath"), MYNAME);
+ if (ret < 0 || (size_t)ret >= 1024) {
+ fprintf(stderr, "%s: %d: failed to create string\n", __FILE__, __LINE__);
goto err;
}
- // rootfs should be ${lxcpath}snaps/${lxcname}/snap0/rootfs
- struct stat sb;
- int ret;
- char path[1024];
- snprintf(path, 1024, "%ssnaps/%s/snap0/rootfs", lxc_get_default_config_path(), MYNAME);
ret = stat(path, &sb);
if (ret != 0) {
fprintf(stderr, "%s: %d: snapshot was not actually created\n", __FILE__, __LINE__);
goto err;
}
- struct lxc_snapshot *s;
- int i, n;
-
n = c->snapshot_list(c, &s);
if (n < 1) {
fprintf(stderr, "%s: %d: failed listing containers\n", __FILE__, __LINE__);
goto err;
}
+
if (strcmp(s->name, "snap0") != 0) {
fprintf(stderr, "%s: %d: snapshot had bad name\n", __FILE__, __LINE__);
goto err;
}
- for (i=0; i<n; i++) {
+
+ for (i=0; i<n; i++)
s[i].free(&s[i]);
- }
free(s);
if (!c->snapshot_restore(c, "snap0", RESTNAME)) {
goto err;
}
- printf("All tests passed\n");
+ if (!c->snapshot_destroy(c, "snap0")) {
+ fprintf(stderr, "%s: %d: failed to destroy snapshot\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+ c2 = lxc_container_new(RESTNAME, NULL);
+ if (!c2 || !c2->is_defined(c2)) {
+ fprintf(stderr, "%s: %d: external snapshot restore failed\n", __FILE__, __LINE__);
+ goto err;
+ }
+ lxc_container_put(c2);
+
+ c2 = c->clone(c, MYNAME2, NULL, LXC_CLONE_SNAPSHOT, "overlayfs", NULL, 0, NULL);
+ if (!c2) {
+ fprintf(stderr, "%d: %s overlayfs clone failed\n", __LINE__, MYNAME2);
+ goto good;
+ }
+
+ if (c2->snapshot(c2, NULL) != 0) {
+ fprintf(stderr, "%s: %d: failed to create snapshot\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+ n = c2->snapshot_list(c2, &s);
+ if (n < 1) {
+ fprintf(stderr, "%s: %d: failed listing containers\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+ if (strcmp(s->name, "snap0") != 0) {
+ fprintf(stderr, "%s: %d: snapshot had bad name\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+ for (i=0; i<n; i++)
+ s[i].free(&s[i]);
+ free(s);
+
+ if (!c2->snapshot_restore(c2, "snap0", NULL)) {
+ fprintf(stderr, "%s: %d: failed to restore overlayfs snapshot\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+ if (!c2->snapshot_destroy(c2, "snap0")) {
+ fprintf(stderr, "%s: %d: failed to destroy overlayfs snapshot\n", __FILE__, __LINE__);
+ goto err;
+ }
+
+good:
lxc_container_put(c);
- exit(0);
+ try_to_remove();
+
+ printf("All tests passed\n");
+ exit(EXIT_SUCCESS);
err:
lxc_container_put(c);
- fprintf(stderr, "Exiting on error\n");
try_to_remove();
- exit(1);
+
+ fprintf(stderr, "Exiting on error\n");
+ exit(EXIT_FAILURE);
}