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!41 rootfs: support use host rootfs / as container roofs

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Merge pull request !41 from lifeng_isula/master
This commit is contained in:
openeuler-ci-bot 2020-06-24 17:21:23 +08:00 committed by Gitee
commit 9cd817be7a
3 changed files with 44 additions and 1 deletions
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41
0069-rootfs-support-use-host-rootfs-as-container-rootfs.patch Normal file
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@ -0,0 +1,41 @@
From 25a47f44f377e20b2939679f7df79c333627c97a Mon Sep 17 00:00:00 2001
From: lifeng68 <lifeng68@huawei.com>
Date: Wed, 24 Jun 2020 17:07:50 +0800
Subject: [PATCH] rootfs: support use host rootfs / as container rootfs
Signed-off-by: lifeng68 <lifeng68@huawei.com>
---
src/lxc/conf.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index 6890da12..0744c19b 100644
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -1367,7 +1367,7 @@ static int lxc_mount_rootfs(struct lxc_conf *conf)
{
int ret;
struct lxc_storage *bdev;
- const struct lxc_rootfs *rootfs = &conf->rootfs;
+ struct lxc_rootfs *rootfs = &conf->rootfs;
#ifdef HAVE_ISULAD
unsigned long flags, mntflags, pflags;
@@ -1378,6 +1378,14 @@ static int lxc_mount_rootfs(struct lxc_conf *conf)
ret = mount("", "/", NULL, MS_SLAVE | MS_REC, 0);
if (ret < 0)
return log_error_errno(-1, errno, "Failed to remount \"/\" MS_REC | MS_SLAVE");
+#ifdef HAVE_ISULAD
+ if (!access(rootfs->mount, F_OK)) {
+ rootfs->path = safe_strdup("/");
+ if (mount("/", rootfs->mount, NULL, MS_BIND, 0)) {
+ return log_error_errno(-1, errno, "Failed to mount \"/\" to %s", rootfs->mount);
+ }
+ }
+#endif
return 0;
}
--
2.25.1

3
lxc.spec
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@ -1,4 +1,4 @@
%global _release 2020052701
%global _release 2020062401
%global debug_package %{nil}
Name: lxc
@ -76,6 +76,7 @@ Patch9064: 0065-lxc-disable-terminal-stdout-stderr-pipe-O_NONBLOCK.patch
Patch9065: 0066-lxc-fix-tests-build-error.patch
Patch9066: 0067-set-normal-ret-value-when-populate-exist-device-successfully.patch
Patch9067: 0068-lxc-config-default-cgroup-pattern-to-lxc-n.patch
Patch9068: 0069-rootfs-support-use-host-rootfs-as-container-rootfs.patch
BuildRequires: systemd-units git libtool graphviz docbook2X doxygen chrpath
BuildRequires: pkgconfig(libseccomp)

1
series.conf
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@ -66,3 +66,4 @@
0066-lxc-fix-tests-build-error.patch
0067-set-normal-ret-value-when-populate-exist-device-successfully.patch
0068-lxc-config-default-cgroup-pattern-to-lxc-n.patch
0069-rootfs-support-use-host-rootfs-as-container-rootfs.patch