bdev/bdev.h \
bdev/lxcbtrfs.h \
bdev/lxcoverlay.h \
+ bdev/lxcrsync.h \
caps.h \
cgroup.h \
conf.h \
#include "error.h"
#include "log.h"
#include "lxc.h"
-#include "lxclock.h"
#include "lxcbtrfs.h"
+#include "lxclock.h"
#include "lxcoverlay.h"
+#include "lxcrsync.h"
#include "namespace.h"
#include "parse.h"
#include "utils.h"
lxc_log_define(bdev, lxc);
-/* the bulk of this needs to become a common helper */
-int do_rsync(const char *src, const char *dest)
-{
- // call out to rsync
- pid_t pid;
- char *s;
- size_t l;
-
- pid = fork();
- if (pid < 0)
- return -1;
- if (pid > 0)
- return wait_for_pid(pid);
-
- l = strlen(src) + 2;
- s = malloc(l);
- if (!s)
- exit(1);
- strcpy(s, src);
- s[l-2] = '/';
- s[l-1] = '\0';
-
- execlp("rsync", "rsync", "-aHX", "--delete", s, dest, (char *)NULL);
- exit(1);
-}
-
/* the bulk of this needs to become a common helper */
char *dir_new_path(char *src, const char *oldname, const char *name,
const char *oldpath, const char *lxcpath)
.can_backup = true,
};
-static int rsync_delta(struct rsync_data_char *data)
-{
- if (setgid(0) < 0) {
- ERROR("Failed to setgid to 0");
- return -1;
- }
- if (setgroups(0, NULL) < 0)
- WARN("Failed to clear groups");
- if (setuid(0) < 0) {
- ERROR("Failed to setuid to 0");
- return -1;
- }
- if (do_rsync(data->src, data->dest) < 0) {
- ERROR("rsyncing %s to %s", data->src, data->dest);
- return -1;
- }
-
- return 0;
-}
-
-static int rsync_delta_wrapper(void *data)
-{
- struct rsync_data_char *arg = data;
- return rsync_delta(arg);
-}
-
/* overlay */
static const struct bdev_ops ovl_ops = {
.detect = &ovl_detect,
return bdev;
}
-struct rsync_data {
- struct bdev *orig;
- struct bdev *new;
-};
-
-static int rsync_rootfs(struct rsync_data *data)
-{
- struct bdev *orig = data->orig,
- *new = data->new;
-
- if (unshare(CLONE_NEWNS) < 0) {
- SYSERROR("unshare CLONE_NEWNS");
- return -1;
- }
- if (detect_shared_rootfs()) {
- if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL)) {
- SYSERROR("Failed to make / rslave");
- ERROR("Continuing...");
- }
- }
-
- // If not a snapshot, copy the fs.
- if (orig->ops->mount(orig) < 0) {
- ERROR("failed mounting %s onto %s", orig->src, orig->dest);
- return -1;
- }
- if (new->ops->mount(new) < 0) {
- ERROR("failed mounting %s onto %s", new->src, new->dest);
- return -1;
- }
- if (setgid(0) < 0) {
- ERROR("Failed to setgid to 0");
- return -1;
- }
- if (setgroups(0, NULL) < 0)
- WARN("Failed to clear groups");
- if (setuid(0) < 0) {
- ERROR("Failed to setuid to 0");
- return -1;
- }
- if (do_rsync(orig->dest, new->dest) < 0) {
- ERROR("rsyncing %s to %s", orig->src, new->src);
- return -1;
- }
-
- return 0;
-}
-
-static int rsync_rootfs_wrapper(void *data)
-{
- struct rsync_data *arg = data;
- return rsync_rootfs(arg);
-}
-
bool bdev_is_dir(struct lxc_conf *conf, const char *path)
{
struct bdev *orig = bdev_init(conf, path, NULL, NULL);
bool rootfs_is_blockdev(struct lxc_conf *conf);
-struct rsync_data_char {
- char *src;
- char *dest;
-};
-
#endif // __LXC_BDEV_H
#include "bdev.h"
#include "log.h"
#include "lxcbtrfs.h"
+#include "lxcrsync.h"
#include "utils.h"
lxc_log_define(btrfs, lxc);
--- /dev/null
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <daniel.lezcano at free.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define _GNU_SOURCE
+#include <grp.h>
+#include <sched.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/mount.h>
+
+#include "bdev.h"
+#include "log.h"
+#include "lxcbtrfs.h"
+#include "lxcrsync.h"
+#include "utils.h"
+
+lxc_log_define(lxcrsync, lxc);
+
+/* the bulk of this needs to become a common helper */
+int do_rsync(const char *src, const char *dest)
+{
+ // call out to rsync
+ pid_t pid;
+ char *s;
+ size_t l;
+
+ pid = fork();
+ if (pid < 0)
+ return -1;
+ if (pid > 0)
+ return wait_for_pid(pid);
+
+ l = strlen(src) + 2;
+ s = malloc(l);
+ if (!s)
+ exit(1);
+ strcpy(s, src);
+ s[l-2] = '/';
+ s[l-1] = '\0';
+
+ execlp("rsync", "rsync", "-aHX", "--delete", s, dest, (char *)NULL);
+ exit(1);
+}
+
+int rsync_delta(struct rsync_data_char *data)
+{
+ if (setgid(0) < 0) {
+ ERROR("Failed to setgid to 0");
+ return -1;
+ }
+ if (setgroups(0, NULL) < 0)
+ WARN("Failed to clear groups");
+ if (setuid(0) < 0) {
+ ERROR("Failed to setuid to 0");
+ return -1;
+ }
+ if (do_rsync(data->src, data->dest) < 0) {
+ ERROR("rsyncing %s to %s", data->src, data->dest);
+ return -1;
+ }
+
+ return 0;
+}
+
+int rsync_delta_wrapper(void *data)
+{
+ struct rsync_data_char *arg = data;
+ return rsync_delta(arg);
+}
+
+int rsync_rootfs(struct rsync_data *data)
+{
+ struct bdev *orig = data->orig,
+ *new = data->new;
+
+ if (unshare(CLONE_NEWNS) < 0) {
+ SYSERROR("unshare CLONE_NEWNS");
+ return -1;
+ }
+ if (detect_shared_rootfs()) {
+ if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL)) {
+ SYSERROR("Failed to make / rslave");
+ ERROR("Continuing...");
+ }
+ }
+
+ // If not a snapshot, copy the fs.
+ if (orig->ops->mount(orig) < 0) {
+ ERROR("failed mounting %s onto %s", orig->src, orig->dest);
+ return -1;
+ }
+ if (new->ops->mount(new) < 0) {
+ ERROR("failed mounting %s onto %s", new->src, new->dest);
+ return -1;
+ }
+ if (setgid(0) < 0) {
+ ERROR("Failed to setgid to 0");
+ return -1;
+ }
+ if (setgroups(0, NULL) < 0)
+ WARN("Failed to clear groups");
+ if (setuid(0) < 0) {
+ ERROR("Failed to setuid to 0");
+ return -1;
+ }
+ if (do_rsync(orig->dest, new->dest) < 0) {
+ ERROR("rsyncing %s to %s", orig->src, new->src);
+ return -1;
+ }
+
+ return 0;
+}
+
+int rsync_rootfs_wrapper(void *data)
+{
+ struct rsync_data *arg = data;
+ return rsync_rootfs(arg);
+}
+
--- /dev/null
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <daniel.lezcano at free.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __LXC_RSYNC_H
+#define __LXC_RSYNC_H
+
+#define _GNU_SOURCE
+#include <stdio.h>
+
+struct rsync_data {
+ struct bdev *orig;
+ struct bdev *new;
+};
+
+struct rsync_data_char {
+ char *src;
+ char *dest;
+};
+
+int do_rsync(const char *src, const char *dest);
+int rsync_delta_wrapper(void *data);
+int rsync_delta(struct rsync_data_char *data);
+int rsync_rootfs(struct rsync_data *data);
+int rsync_rootfs_wrapper(void *data);
+
+#endif // __LXC_RSYNC_H
projects / thirdparty / lxc.git / commitdiff
