[meta-virtualization] [PATCH] oci-systemd-hook: fixup patch context
Bruce Ashfield
bruce.ashfield at gmail.com
Wed Sep 18 10:54:05 PDT 2019
nerged.
Bruce
In message: [meta-virtualization][PATCH] oci-systemd-hook: fixup patch context
on 17/09/2019 Mark Asselstine wrote:
> commit 7394c154a92f [containers: update oci-systemd-hook to 0.2.0]
> incorrectly adjusted the context around the patch
> 0001-Add-additional-cgroup-mounts-from-root-NS-automatica.patch.
>
> This resulted in containers failing with an error:
> systemdhook <error>: Failed to mkdir new dest: /opt/container/cube-server/rootfs/sys/fs/cgroup/perf_event: No such file or directory
>
> Unfortunately, the code was being patched in ahead of the mounting of
> the tmpfs after the patch context was adjusted. You can even get a
> hint of this in the comment "Systemd is already handled above". Here
> we correct this by pushing the code down to the correct position in
> the file/function, making the error go away and proper function
> return.
>
> Signed-off-by: Mark Asselstine <mark.asselstine at windriver.com>
> ---
> ...itional-cgroup-mounts-from-root-NS-automatica.patch | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/recipes-containers/oci-systemd-hook/oci-systemd-hook/0001-Add-additional-cgroup-mounts-from-root-NS-automatica.patch b/recipes-containers/oci-systemd-hook/oci-systemd-hook/0001-Add-additional-cgroup-mounts-from-root-NS-automatica.patch
> index b1299f5..34f0c09 100644
> --- a/recipes-containers/oci-systemd-hook/oci-systemd-hook/0001-Add-additional-cgroup-mounts-from-root-NS-automatica.patch
> +++ b/recipes-containers/oci-systemd-hook/oci-systemd-hook/0001-Add-additional-cgroup-mounts-from-root-NS-automatica.patch
> @@ -1,4 +1,4 @@
> -From f9c640fa1d4c14dfbd2bc40af91cb446ad373075 Mon Sep 17 00:00:00 2001
> +From 12d92162c449d51f4ffa482f7daaeb42c4135937 Mon Sep 17 00:00:00 2001
> From: Jason Wessel <jason.wessel at windriver.com>
> Date: Tue, 2 Jul 2019 20:51:08 +0000
> Subject: [PATCH] Add additional cgroup mounts from root NS automatically
> @@ -9,10 +9,10 @@ Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
> 1 file changed, 45 insertions(+)
>
> diff --git a/src/systemdhook.c b/src/systemdhook.c
> -index 87a3585..5220c54 100644
> +index c2cb2b9..f9ec9f2 100644
> --- a/src/systemdhook.c
> +++ b/src/systemdhook.c
> -@@ -281,6 +281,11 @@ static char *get_process_cgroup_subsystem_path(const char *id, int pid, const ch
> +@@ -274,6 +274,11 @@ static char *get_process_cgroup_subsystem_path(const char *id, int pid, const ch
> static int mount_cgroup(const char *id, const char *rootfs, const char *options, char *systemd_path)
> {
> _cleanup_free_ char *cgroup_path = NULL;
> @@ -24,8 +24,8 @@ index 87a3585..5220c54 100644
>
> if (asprintf(&cgroup_path, "%s/%s", rootfs, CGROUP_ROOT) < 0) {
> pr_perror("%s: Failed to create path for %s", id, CGROUP_ROOT);
> -@@ -290,6 +295,46 @@ static int mount_cgroup(const char *id, const char *rootfs, const char *options,
> - pr_perror("%s: Failed to mkdir new dest: %s", id, cgroup_path);
> +@@ -292,6 +297,46 @@ static int mount_cgroup(const char *id, const char *rootfs, const char *options,
> + pr_perror("%s: Failed to mkdir new dest: %s", id, systemd_path);
> return -1;
> }
> + /* Create all additional cgroup mounts which are in the root namespace */
> @@ -68,9 +68,9 @@ index 87a3585..5220c54 100644
> + free(dpath);
> + }
> + closedir(dir);
> - /* Mount tmpfs at new cgroup directory */
> - if (mount("tmpfs", cgroup_path, "tmpfs", MS_NODEV|MS_NOSUID, options) == -1) {
> - pr_perror("%s: Failed to mount tmpfs at %s", id, cgroup_path);
> + if (remount_readonly(id, cgroup_path, cgroup_path) < 0) {
> + return -1;
> + }
> --
> -2.19.1
> +2.7.4
>
> --
> 2.7.4
>
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