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https://github.com/samba-team/samba.git
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ctdb-doc: Whitespace fixes in example NFS ganesha callout
Fix some whitespace errors, reindent the whole script and wrap lines where needed. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This commit is contained in:
Martin Schwenke
Martin Schwenke
parent
42d0577217
commit
3f9f31bf25
@ -52,19 +52,19 @@ ganesha_rec_subdir=${CTDB_GANESHA_REC_SUBDIR:-.ganesha}
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procfs=${PROCFS_PATH:-/proc}
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case $state_fs in
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gpfs)
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GANRECDIR="/var/lib/nfs/ganesha"
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;;
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glusterfs)
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if [ -z "${state_dir}" ]; then
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echo "CTDB_NFS_STATE_MNT not defined for GlusterFS"
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exit 1
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fi
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host=`hostname`
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NODESTATEDIR="$state_dir/nfs-ganesha/$host"
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GANSTATEDIR="$state_dir/nfs-ganesha/.noderefs"
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NODESTATELN="$GANSTATEDIR/$host"
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;;
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gpfs)
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GANRECDIR="/var/lib/nfs/ganesha"
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;;
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glusterfs)
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if [ -z "${state_dir}" ]; then
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echo "CTDB_NFS_STATE_MNT not defined for GlusterFS"
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exit 1
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fi
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host=`hostname`
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NODESTATEDIR="$state_dir/nfs-ganesha/$host"
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GANSTATEDIR="$state_dir/nfs-ganesha/.noderefs"
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NODESTATELN="$GANSTATEDIR/$host"
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;;
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esac
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@ -72,8 +72,8 @@ esac
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usage ()
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{
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_c=$(basename $0)
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cat <<EOF
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_c=$(basename $0)
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cat <<EOF
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usage: $_c { shutdown | startup }
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$_c { stop | start | check } nfs
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$_c { releaseip | takeip }
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@ -88,24 +88,24 @@ EOF
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basic_stop ()
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{
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case "$1" in
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case "$1" in
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nfs)
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service "$nfs_service" stop
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;;
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service "$nfs_service" stop
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;;
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*)
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usage
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esac
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usage
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esac
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}
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basic_start ()
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{
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case "$1" in
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case "$1" in
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nfs)
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service "$nfs_service" start
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;;
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service "$nfs_service" start
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;;
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*)
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usage
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esac
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usage
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esac
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}
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##################################################
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@ -128,17 +128,17 @@ service_stop ()
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service_start ()
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{
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case "$1" in
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case "$1" in
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nfs)
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basic_start "nfs"
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;;
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basic_start "nfs"
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;;
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nlockmgr)
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# Do nothing - used by statd-callout
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:
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;;
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# Do nothing - used by statd-callout
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:
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;;
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*)
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usage
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esac
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usage
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esac
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}
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##################################################
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@ -148,129 +148,134 @@ service_start ()
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# Usage: check_ln <TARGET> <LINK>
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check_ln ()
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{
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if [ ! -L "${2}" ] ; then
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rm -vrf "${2}"
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else
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_t=$(readlink "${2}")
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if [ "$_t" != "${1}" ] ; then
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rm -v "${2}"
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fi
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fi
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# This is not an "else". It also re-creates the link if it was
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# removed above!
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if [ ! -e "${2}" ]; then
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ln -sfv "${1}" "${2}"
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fi
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if [ ! -L "${2}" ] ; then
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rm -vrf "${2}"
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else
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_t=$(readlink "${2}")
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if [ "$_t" != "${1}" ] ; then
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rm -v "${2}"
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fi
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fi
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# This is not an "else". It also re-creates the link if it was
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# removed above!
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if [ ! -e "${2}" ]; then
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ln -sfv "${1}" "${2}"
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fi
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}
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# Return 'active' if the shared filesystem is accessible.
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get_cluster_fs_state ()
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{
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case $state_fs in
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gpfs)
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/usr/lpp/mmfs/bin/mmgetstate | awk 'NR == 4 { print $3 }'
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;;
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glusterfs)
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# Since we're past create_ganesha_recdirs(), we're active.
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echo "active"
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;;
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*)
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echo "File system $state_fs not supported"
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exit 1
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;;
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esac
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case $state_fs in
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gpfs)
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/usr/lpp/mmfs/bin/mmgetstate | awk 'NR == 4 { print $3 }'
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;;
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glusterfs)
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# Since we're past create_ganesha_recdirs(), we're active.
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echo "active"
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;;
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*)
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echo "File system $state_fs not supported"
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exit 1
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;;
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esac
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}
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create_ganesha_recdirs ()
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{
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if ! _mounts=$(mount | grep $state_fs); then
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echo "Failed to find mounts of type $state_fs"
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exit 1
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fi
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if [ -z "$_mounts" ]; then
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echo "startup $state_fs not ready"
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exit 0
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fi
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if ! _mounts=$(mount | grep $state_fs); then
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echo "Failed to find mounts of type $state_fs"
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exit 1
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fi
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if [ -z "$_mounts" ]; then
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echo "startup $state_fs not ready"
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exit 0
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fi
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case $state_fs in
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gpfs)
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_mntpt=$(echo "$_mounts" | sort | awk 'NR == 1 {print $3}')
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_link_dst="${_mntpt}/${ganesha_rec_subdir}"
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mkdir -vp "$_link_dst"
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check_ln "$_link_dst" "$GANRECDIR"
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;;
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glusterfs)
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[ -d /var/lib/nfs.backup ] || mv /var/lib/nfs /var/lib/nfs.backup
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check_ln ${NODESTATEDIR} /var/lib/nfs
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case $state_fs in
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gpfs)
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_mntpt=$(echo "$_mounts" | sort | awk 'NR == 1 {print $3}')
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_link_dst="${_mntpt}/${ganesha_rec_subdir}"
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mkdir -vp "$_link_dst"
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check_ln "$_link_dst" "$GANRECDIR"
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;;
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glusterfs)
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[ -d /var/lib/nfs.backup ] || \
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mv /var/lib/nfs /var/lib/nfs.backup
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check_ln ${NODESTATEDIR} /var/lib/nfs
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mkdir -p ${NODESTATEDIR}/ganesha/v4recov
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mkdir -p ${NODESTATEDIR}/ganesha/v4old
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mkdir -p ${NODESTATEDIR}/statd/sm
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mkdir -p ${NODESTATEDIR}/statd/sm.bak
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touch ${NODESTATEDIR}/state
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touch ${NODESTATEDIR}/statd/state
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mkdir -p ${NODESTATEDIR}/ganesha/v4recov
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mkdir -p ${NODESTATEDIR}/ganesha/v4old
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mkdir -p ${NODESTATEDIR}/statd/sm
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mkdir -p ${NODESTATEDIR}/statd/sm.bak
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touch ${NODESTATEDIR}/state
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touch ${NODESTATEDIR}/statd/state
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mkdir -p ${GANSTATEDIR}
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check_ln ${NODESTATEDIR} ${NODESTATELN}
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for node in `ls ${GANSTATEDIR}`; do
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if [ "${node}" != "${host}" ]; then
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check_ln ${GANSTATEDIR}/${node}/ganesha ${NODESTATEDIR}/ganesha/${node}
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check_ln ${GANSTATEDIR}/${node}/statd ${NODESTATEDIR}/statd/${node}
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fi
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done
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;;
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esac
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mkdir -p ${GANSTATEDIR}
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check_ln ${NODESTATEDIR} ${NODESTATELN}
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for node in `ls ${GANSTATEDIR}`; do
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if [ "${node}" != "${host}" ]; then
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check_ln ${GANSTATEDIR}/${node}/ganesha \
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${NODESTATEDIR}/ganesha/${node}
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check_ln ${GANSTATEDIR}/${node}/statd \
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${NODESTATEDIR}/statd/${node}
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fi
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done
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;;
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esac
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}
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service_check ()
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{
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create_ganesha_recdirs
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create_ganesha_recdirs
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# Always succeed if cluster filesystem is not active
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_cluster_fs_state=$(get_cluster_fs_state)
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if [ $_cluster_fs_state != "active" ] ; then
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return 0
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fi
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# Check that NFS Ganesha is running, according to PID file
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_pidfile="/var/run/ganesha.pid"
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_ganesha="/usr/bin/ganesha.nfsd"
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if ! { read _pid < "$_pidfile" && \
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grep "$_ganesha" "${procfs}/${_pid}/cmdline" ; } >/dev/null 2>&1
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then
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echo "ERROR: NFS Ganesha not running according to PID file"
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return 1
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fi
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# Always succeed if cluster filesystem is not active
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_cluster_fs_state=$(get_cluster_fs_state)
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if [ $_cluster_fs_state != "active" ] ; then
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return 0
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fi
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# Check that NFS Ganesha is running, according to PID file
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_pidfile="/var/run/ganesha.pid"
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_ganesha="/usr/bin/ganesha.nfsd"
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if ! { read _pid < "$_pidfile" && \
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grep "$_ganesha" "${procfs}/${_pid}/cmdline" ; } >/dev/null 2>&1 ; then
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echo "ERROR: NFS Ganesha not running according to PID file"
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return 1
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fi
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return 0
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}
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#-------------------------------------------------
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nfs_releaseip ()
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{
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if [ -x "/usr/bin/grace_period" ]; then
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/usr/bin/grace_period "2:${2}"
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else
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dbus-send --print-reply --system --dest=org.ganesha.nfsd \
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/org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace \
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string:"2:${2}"
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fi
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if [ -x "/usr/bin/grace_period" ]; then
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/usr/bin/grace_period "2:${2}"
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else
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dbus-send --print-reply --system --dest=org.ganesha.nfsd \
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/org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace \
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string:"2:${2}"
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fi
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}
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nfs_takeip ()
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{
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case $state_fs in
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glusterfs)
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check_ln ${NODESTATEDIR} ${GANSTATEDIR}/${2}
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;;
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esac
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if [ -x "/usr/bin/grace_period" ]; then
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/usr/bin/grace_period "5:${2}"
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else
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dbus-send --print-reply --system --dest=org.ganesha.nfsd \
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/org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace \
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string:"5:${2}"
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fi
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case $state_fs in
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glusterfs)
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check_ln ${NODESTATEDIR} ${GANSTATEDIR}/${2}
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;;
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esac
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if [ -x "/usr/bin/grace_period" ]; then
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/usr/bin/grace_period "5:${2}"
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else
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dbus-send --print-reply --system --dest=org.ganesha.nfsd \
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/org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace \
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string:"5:${2}"
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fi
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}
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##################################################
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@ -278,20 +283,20 @@ nfs_takeip ()
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nfs_shutdown ()
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{
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basic_stop "nfs"
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basic_stop "nfs"
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}
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nfs_startup ()
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{
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basic_stop "nfs" || true
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basic_stop "nfs" || true
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create_ganesha_recdirs
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create_ganesha_recdirs
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basic_start "nfs"
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_f="${procfs}/sys/net/ipv4/tcp_tw_recycle"
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if [ "$_f" ] ; then
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echo 1 >"$_f"
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fi
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basic_start "nfs"
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_f="${procfs}/sys/net/ipv4/tcp_tw_recycle"
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if [ "$_f" ] ; then
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echo 1 >"$_f"
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fi
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}
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##################################################
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@ -299,16 +304,16 @@ nfs_startup ()
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nfs_monitor_list_shares ()
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{
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grep Path $nfs_exports_file |
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cut -f2 -d\" |
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sort -u
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grep Path $nfs_exports_file |
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cut -f2 -d\" |
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sort -u
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}
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##################################################
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nfs_register ()
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{
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cat <<EOF
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cat <<EOF
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shutdown
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startup
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stop
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@ -326,19 +331,19 @@ action="$1"
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shift
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case "$action" in
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shutdown) nfs_shutdown ;;
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startup) nfs_startup ;;
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stop) service_stop "$1" ;;
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start) service_start "$1" ;;
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check) service_check "$1" ;;
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releaseip) nfs_releaseip "$@" ;;
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takeip) nfs_takeip "$@" ;;
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monitor-list-shares) nfs_monitor_list_shares ;;
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register) nfs_register ;;
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monitor-pre|monitor-post|releaseip-pre|takeip-pre)
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shutdown) nfs_shutdown ;;
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startup) nfs_startup ;;
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stop) service_stop "$1" ;;
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start) service_start "$1" ;;
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check) service_check "$1" ;;
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releaseip) nfs_releaseip "$@" ;;
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takeip) nfs_takeip "$@" ;;
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monitor-list-shares) nfs_monitor_list_shares ;;
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register) nfs_register ;;
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monitor-pre|monitor-post|releaseip-pre|takeip-pre)
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# Not required/implemented
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:
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;;
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*)
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*)
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usage
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esac
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