Mailing List Archive: PATCH: lxc RA to work with LXC-0.7.5

Hi Kazuyoshi-san,

On Mon, Feb 06, 2012 at 01:19:37PM +0900, Kazuyoshi Mii wrote:
> Hi,
>
> I found lxc RA does not work with LXC-0.7.5 because the output of the
> command lxc-info used in RA has changed since LXC-0.7.5.
>
> So I wrote two patches.
>
> One patch fixes the above problem.
>
> The other patch makes ocf_version_cmp in ocf-shellfuncs work for
> different version scheme, such as 0.7.4.2 and 0.7.5.
>
> Patch attached.
>
> Corresponding Github pull requests are #51 and #55.

Both patches pulled through github.

Many thanks!

Cheers,

Dejan

> Regards,
> Kazuyoshi
>
> --
> Kazuyoshi MII
>
> NTT Open Source Software Center
> NIPPON TELEGRAPH AND TELEPHONE CORPORATION

> diff --git a/heartbeat/lxc b/heartbeat/lxc
> index f534757..43e505a 100755
> --- a/heartbeat/lxc
> +++ b/heartbeat/lxc
> @@ -239,7 +239,10 @@ LXC_stop() {
> }
>
> LXC_status() {
> - S=`lxc-info -n ${OCF_RESKEY_container}`
> + # run lxc-info with -s option for LXC-0.7.5 or later
> + local lxc_info_opt="-s"
> + ocf_version_cmp "`lxc-version | cut -d' ' -f 3`" 0.7.5 && lxc_info_opt=""
> + S=`lxc-info $lxc_info_opt -n ${OCF_RESKEY_container}`
> ocf_log debug "State of ${OCF_RESKEY_container}: $S"
> if [[ "${S##* }" = "RUNNING" ]] ; then
> return $OCF_SUCCESS

> diff --git a/heartbeat/ocf-shellfuncs.in b/heartbeat/ocf-shellfuncs.in
> index 811c536..e1cd33f 100644
> --- a/heartbeat/ocf-shellfuncs.in
> +++ b/heartbeat/ocf-shellfuncs.in
> @@ -462,6 +462,19 @@ ocf_ver2num() {
> {for(i=1; i<=NF; i++) s=s*1000+$i; print s}
> '
> }
> +ocf_ver_level(){
> + echo $1 | awk -F'[.-]' '{print NF}'
> +}
> +ocf_ver_complete_level(){
> + local ver="$1"
> + local level="$2"
> + local i=0
> + while [ $i -lt $level ]; do
> + ver=${ver}.0
> + i=`expr $i + 1`
> + done
> + echo $ver
> +}
>
> # usage: ocf_version_cmp VER1 VER2
> # version strings can contain digits, dots, and dashes
> @@ -474,8 +487,20 @@ ocf_ver2num() {
> ocf_version_cmp() {
> ocf_is_ver "$1" || return 3
> ocf_is_ver "$2" || return 3
> - local v1=`ocf_ver2num $1`
> - local v2=`ocf_ver2num $2`
> + local v1=$1
> + local v2=$2
> + local v1_level=`ocf_ver_level $v1`
> + local v2_level=`ocf_ver_level $v2`
> + local level_diff
> + if [ $v1_level -lt $v2_level ]; then
> + level_diff=`expr $v2_level - $v1_level`
> + v1=`ocf_ver_complete_level $v1 $level_diff`
> + elif [ $v1_level -gt $v2_level ]; then
> + level_diff=`expr $v1_level - $v2_level`
> + v2=`ocf_ver_complete_level $v2 $level_diff`
> + fi
> + v1=`ocf_ver2num $v1`
> + v2=`ocf_ver2num $v2`
> if [ $v1 -eq $v2 ]; then
> return 1
> elif [ $v1 -lt $v2 ]; then

> _______________________________________________________
> Linux-HA-Dev: Linux-HA-Dev@lists.linux-ha.org
> http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev
> Home Page: http://linux-ha.org/

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