diff options
Diffstat (limited to 'extras/ganesha/ocf/ganesha_grace')
| -rw-r--r-- | extras/ganesha/ocf/ganesha_grace | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/extras/ganesha/ocf/ganesha_grace b/extras/ganesha/ocf/ganesha_grace new file mode 100644 index 00000000000..45819c9a619 --- /dev/null +++ b/extras/ganesha/ocf/ganesha_grace @@ -0,0 +1,168 @@ +#!/bin/bash +# +# Copyright (c) 2014 Anand Subramanian anands@redhat.com +# Copyright (c) 2015 Red Hat Inc. +# All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of version 2 of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# Further, this software is distributed without any warranty that it is +# free of the rightful claim of any third person regarding infringement +# or the like. Any license provided herein, whether implied or +# otherwise, applies only to this software file. Patent licenses, if +# any, provided herein do not apply to combinations of this program with +# other software, or any other product whatsoever. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# +# + +# Initialization: +: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +if [ -n "$OCF_DEBUG_LIBRARY" ]; then + . $OCF_DEBUG_LIBRARY +else + : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs +fi + +ganesha_meta_data() { + cat <<END +<?xml version="1.0"?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> +<resource-agent name="ganesha_grace"> +<version>1.0</version> + +<longdesc lang="en"> +This Linux-specific resource agent acts as a dummy +resource agent for nfs-ganesha. +</longdesc> + +<shortdesc lang="en">Manages the user-space nfs-ganesha NFS server</shortdesc> + +<parameters> +</parameters> + +<actions> +<action name="start" timeout="40s" /> +<action name="stop" timeout="40s" /> +<action name="status" depth="0" timeout="20s" interval="5s" /> +<action name="monitor" depth="0" timeout="20s" interval="5s" /> +<action name="meta-data" timeout="20s" /> +</actions> +</resource-agent> +END + +return $OCF_SUCCESS +} + +ganesha_grace_usage() { + echo "ganesha.nfsd USAGE" +} + +# Make sure meta-data and usage always succeed +case $__OCF_ACTION in + meta-data) ganesha_meta_data + exit $OCF_SUCCESS + ;; + usage|help) ganesha_usage + exit $OCF_SUCCESS + ;; + *) + ;; +esac + +ganesha_grace_start() +{ + local result="" + local resourcename="" + local deadserver="" + local tmpIFS=${IFS} + + # logger "ganesha_grace_start()" + # we're here because somewhere in the cluster one or more + # of the ganesha.nfsds have died, triggering a floating IP + # address to move. Resource constraint location rules ensure + # that this is invoked before the floating IP is moved. + if [ -d /proc/$(cat /var/run/ganesha.nfsd.pid) ]; then + # my ganesha.nfsd is still running + # find out which one died? + + pcs status | grep dead_ip-1 | sort > /tmp/.pcs_status + + result=$(diff /var/run/ganesha/pcs_status /tmp/.pcs_status | grep '^>') + if [[ ${result} ]]; then + # logger "ganesha_grace_start(), ${result}" + IFS=$'\n' + for line in ${result}; do + resourcename=$(echo ${line} | cut -f 1 | cut -d ' ' -f 3) + deadserver=${resourcename%"-dead_ip-1"} + + if [[ ${deadserver} ]]; then + # logger "ganesha_grace_start(), ${line}" + # logger "ganesha_grace_start(), dbus-send --print-reply --system --dest=org.ganesha.nfsd /org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace string:${deadserver}" + dbus-send --print-reply --system --dest=org.ganesha.nfsd /org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace string:${deadserver} + if [ $? -ne 0 ]; then + logger "warning: dbus-send --print-reply --system --dest=org.ganesha.nfsd /org/ganesha/nfsd/admin org.ganesha.nfsd.admin.grace string:${deadserver} failed" + fi + fi + done + IFS=${tmpIFS} + fi + + fi + return $OCF_SUCCESS +} + +ganesha_grace_stop() +{ + + # logger "ganesha_grace_stop()" + return $OCF_SUCCESS +} + +ganesha_grace_monitor() +{ + # logger "ganesha_grace_monitor()" + pcs status | grep dead_ip-1 | sort > /var/run/ganesha/pcs_status + return $OCF_SUCCESS +} + +ganesha_grace_validate() +{ + return $OCF_SUCCESS +} + +ganesha_grace_validate + +# logger "ganesha_grace ${OCF_RESOURCE_INSTANCE} $__OCF_ACTION" + +# Translate each action into the appropriate function call +case $__OCF_ACTION in +start) ganesha_grace_start + ;; +stop) ganesha_grace_stop + ;; +status|monitor) ganesha_grace_monitor + ;; +*) ganesha_grace_usage + exit $OCF_ERR_UNIMPLEMENTED + ;; +esac + +rc=$? + +# The resource agent may optionally log a debug message +ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION returned $rc" +exit $rc + |