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Diffstat (limited to '')
| -rw-r--r-- | heartbeat/AoEtarget.in | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/heartbeat/AoEtarget.in b/heartbeat/AoEtarget.in new file mode 100644 index 0000000..5a14c1e --- /dev/null +++ b/heartbeat/AoEtarget.in @@ -0,0 +1,245 @@ +#!@BASH_SHELL@ +# +# +# AoEtarget OCF RA. +# Manages an ATA-over-Ethernet (AoE) target utilizing the vblade utility. +# +# (c) 2009-2010 Florian Haas, Dejan Muhamedagic, +# and Linux-HA contributors +# +# 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} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +# Defaults +OCF_RESKEY_nic_default="eth0" +OCF_RESKEY_pid_default="${HA_RSCTMP}/AoEtarget-${OCF_RESOURCE_INSTANCE}.pid" +OCF_RESKEY_binary_default="/usr/sbin/vblade" + +: ${OCF_RESKEY_nic=${OCF_RESKEY_nic_default}} +: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}} +: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}} + +####################################################################### + +meta_data() { + cat <<EOF +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> +<resource-agent name="AoEtarget" version="1.0"> + <version>1.0</version> + <longdesc lang="en"> +This resource agent manages an ATA-over-Ethernet (AoE) target using vblade. +It exports any block device, or file, as an AoE target using the +specified Ethernet device, shelf, and slot number. +</longdesc> + <shortdesc lang="en">Manages ATA-over-Ethernet (AoE) target exports</shortdesc> + <parameters> + <parameter name="device" required="1"> + <longdesc lang="en"> +The local block device (or file) to export as an AoE target. +</longdesc> + <shortdesc lang="en">Device to export</shortdesc> + <content type="string"/> + </parameter> + <parameter name="nic" required="1"> + <longdesc lang="en"> +The local Ethernet interface to use for exporting this AoE target. +</longdesc> + <shortdesc lang="en">Ethernet interface</shortdesc> + <content type="string" default="${OCF_RESKEY_nic_default}"/> + </parameter> + <parameter name="shelf" required="0"> + <longdesc lang="en"> +The AoE shelf number to use when exporting this target. +</longdesc> + <shortdesc lang="en">AoE shelf number</shortdesc> + <content type="integer"/> + </parameter> + <parameter name="slot" required="1"> + <longdesc lang="en"> +The AoE slot number to use when exporting this target. +</longdesc> + <shortdesc lang="en">AoE slot number</shortdesc> + <content type="integer"/> + </parameter> + <parameter name="pid" required="0" unique="1"> + <longdesc lang="en"> +The file to record the daemon pid to. +</longdesc> + <shortdesc lang="en">Daemon pid file</shortdesc> + <content type="string" default="${OCF_RESKEY_pid_default}"/> + </parameter> + <parameter name="binary" required="0"> + <longdesc lang="en"> +Location of the vblade binary. +</longdesc> + <shortdesc lang="en">vblade binary</shortdesc> + <content type="string" default="${OCF_RESKEY_binary_default}"/> + </parameter> + </parameters> + <actions> + <action name="start" timeout="15s"/> + <action name="stop" timeout="15s"/> + <action name="monitor" timeout="15s" interval="10s" depth="0"/> + <action name="reload" timeout="15s"/> + <action name="meta-data" timeout="5s"/> + <action name="validate-all" timeout="15s"/> + </actions> +</resource-agent> +EOF +} + +####################################################################### + +AoEtarget_usage() { + cat <<END +usage: $0 {start|stop|status|monitor|validate-all|meta-data} + +Expects to have a fully populated OCF RA-compliant environment set. +END +} + +AoEtarget_start() { + AoEtarget_monitor + if [ $? = $OCF_SUCCESS ]; then + return $OCF_SUCCESS + fi + ocf_log info "Exporting device ${OCF_RESKEY_device} on ${OCF_RESKEY_nic} as shelf ${OCF_RESKEY_shelf}, slot ${OCF_RESKEY_slot}" + ${OCF_RESKEY_binary} ${OCF_RESKEY_shelf} ${OCF_RESKEY_slot} \ + ${OCF_RESKEY_nic} ${OCF_RESKEY_device} 2>&1 & + rc=$? + pid=$! + if [ $rc -ne 0 ]; then + return $OCF_ERR_GENERIC + fi + echo $pid > ${OCF_RESKEY_pid} && return $OCF_SUCCESS + return $OCF_ERR_GENERIC +} + +AoEtarget_stop() { + AoEtarget_monitor + if [ $? -eq $OCF_SUCCESS ]; then + ocf_log info "Unxporting device ${OCF_RESKEY_device} on ${OCF_RESKEY_nic} as shelf ${OCF_RESKEY_shelf}, slot ${OCF_RESKEY_slot}" + pid=$(cat ${OCF_RESKEY_pid}) + kill -TERM $pid + # loop until we're really stopped, wait for the LRM to time us + # out if not + while AoEtarget_monitor; do + sleep 1 + done + fi + # Clean up pid file + rm -f ${OCF_RESKEY_pid} + return $OCF_SUCCESS +} + +AoEtarget_monitor() { + ocf_pidfile_status ${OCF_RESKEY_pid} >/dev/null 2>&1 + rc=$? + if [ $rc -eq 2 ]; then + # no pid file, must assume we're not running + return $OCF_NOT_RUNNING + elif [ $rc -eq 1 ]; then + # stale pid file, assume something went wrong + return $OCF_ERR_GENERIC + fi + return $OCF_SUCCESS +} + +AoEtarget_validate() { + # Is our binary executable? + if [ ! -x ${OCF_RESKEY_binary} ]; then + ocf_log error "${OCF_RESKEY_binary} not found or not executable" + return $OCF_ERR_INSTALLED + fi + + # Do we have all required variables? + for var in device nic shelf slot pid; do + param="OCF_RESKEY_${var}" + if [ -z "${!param}" ]; then + ocf_log error "Missing resource parameter \"$var\"!" + return $OCF_ERR_CONFIGURED + fi + done + + # Is the pid file directory writable? + pid_dir=`dirname "$OCF_RESKEY_pid"` + touch "$pid_dir/$$" + if [ $? != 0 ]; then + ocf_log error "Cannot create pid file in $pid_dir -- check directory permissions" + return $OCF_ERR_INSTALLED + fi + rm "$pid_dir/$$" + + # Does the device we are trying to export exist? + if [ ! -e ${OCF_RESKEY_device} ]; then + ocf_log error "${OCF_RESKEY_device} does not exist" + return $OCF_ERR_INSTALLED + fi + return $OCF_SUCCESS +} + +case $1 in + meta-data) + meta_data + exit $OCF_SUCCESS + ;; + usage|help) + AoEtarget_usage + exit $OCF_SUCCESS + ;; +esac + +# Everything except usage and meta-data must pass the validate test +AoEtarget_validate || exit $? + +case $__OCF_ACTION in + start) + AoEtarget_start + ;; + stop) + AoEtarget_stop + ;; + status|monitor) + AoEtarget_monitor + ;; + reload) + ocf_log err "Reloading..." + AoEtarget_start + ;; + validate-all) + AoEtarget_validate + ;; + *) + AoEtarget_usage + exit $OCF_ERR_UNIMPLEMENTED + ;; +esac + +rc=$? +ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc" +exit $rc + |