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centos: if a "host dev" exists bind mount it over /dev #133

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centos: if a "host dev" exists bind mount it over /dev #133

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7 changes: 7 additions & 0 deletions CentOS/update-params.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
: ${GB_LOGDIR:=/var/log/glusterfs/gluster-block}
: ${TCMU_LOGDIR:=/var/log/glusterfs/gluster-block}
: ${GB_GLFS_LRU_COUNT:=15}
: ${HOST_DEV_DIR:=/mnt/host-dev}

echo "env variable is set. Update in gluster-blockd.service"
#FIXME To update in environment file
Expand All @@ -15,5 +16,11 @@ sed -i "s#TCMU_LOGDIR=.*#TCMU_LOGDIR='$TCMU_LOGDIR'#g" /etc/sysconfig/tcmu-runne
sed -i '/ExecStart/i EnvironmentFile=-/etc/sysconfig/tcmu-runner-params' /usr/lib/systemd/system/tcmu-runner.service
sed -i '/tcmu-log-dir=/s/tcmu-log-dir.*/tcmu-log-dir $TCMU_LOGDIR/' /usr/lib/systemd/system/tcmu-runner.service

if [ -c "${HOST_DEV_DIR}/zero" ] && [ -c "${HOST_DEV_DIR}/null" ]; then
# looks like an alternate "host dev" has been provided
# to the container. Use that as our /dev ongoing
mount --rbind "${HOST_DEV_DIR}" /dev
fi

# Hand off to CMD
exec "$@"