[CRIU] [PATCH v4 08/17] scripts: spfs-change-mode.sh added

Pavel Emelyanov xemul at virtuozzo.com
Thu Jun 2 04:15:20 PDT 2016


On 05/20/2016 02:37 PM, Stanislav Kinsburskiy wrote:
> This scripts can be used on restore to switch all the spfs mounts to Stub mode
> when all files have been reopened.

Why mount and create_file is implemented as some sort of RPC (via socket)
but mode switch is script?

> Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
> ---
>  scripts/spfs-change-mode.sh |   32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
>  create mode 100755 scripts/spfs-change-mode.sh
> 
> diff --git a/scripts/spfs-change-mode.sh b/scripts/spfs-change-mode.sh
> new file mode 100755
> index 0000000..0b91669
> --- /dev/null
> +++ b/scripts/spfs-change-mode.sh
> @@ -0,0 +1,32 @@
> +#!/bin/bash
> +
> +[[ "post-restore" == "$CRTOOLS_SCRIPT_ACTION" ]] || exit 0
> +
> +set -o pipefail
> +
> +if [ -z "$SPFS_MANAGER_SOCK" ]; then
> +	echo "SPFS_MANAGER_SOCK environment variable is not set"
> +	exit 1
> +fi
> +
> +if [ -z "$SPFS_MODE" ]; then
> +	echo "SPFS_MODE environment variable is not set"
> +	exit 1
> +fi
> +
> +[ -e $SPFS_MANAGER_SOCK ] || exit 0
> +
> +if [ ! -S "$SPFS_MANAGER_SOCK" ]; then
> +	echo "$SPFS_MANAGER_SOCK is not a socket"
> +	exit 1
> +fi
> +
> +SPFS_CLIENT="/usr/sbin/spfs-client"
> +
> +if [ ! -x "$SPFS_CLIENT" ]; then
> +	echo "Filed to find executable /usr/sbin/spfs-client"
> +	exit 1
> +fi
> +
> +$SPFS_CLIENT manage "mode;all;mode=$SPFS_MODE" --socket-path $SPFS_MANAGER_SOCK > /dev/null
> +exit $?
> 
> _______________________________________________
> CRIU mailing list
> CRIU at openvz.org
> https://lists.openvz.org/mailman/listinfo/criu
> .
> 



More information about the CRIU mailing list