diff --git a/agents/ocf/o2cb.in b/agents/ocf/o2cb.in index f85d2f400c..6db9d2bcb6 100755 --- a/agents/ocf/o2cb.in +++ b/agents/ocf/o2cb.in @@ -1,440 +1,441 @@ #!@BASH_PATH@ # # ocf:pacemaker:o2cb resource agent # # Original copyright 2005-2008 Oracle # Later changes copyright 2008-2023 the Pacemaker project contributors # # The version control history for this file may have further details. # # This source code is licensed under the GNU General Public License version 2 # (GPLv2) WITHOUT ANY WARRANTY. # ####################################################################### : ${OCF_FUNCTIONS:="${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs"} . "${OCF_FUNCTIONS}" : ${__OCF_ACTION:="$1"} : ${OCF_RESKEY_stack:="pcmk"} : ${OCF_RESKEY_sysfs:="/sys/fs"} : ${OCF_RESKEY_configfs:="/sys/kernel/config"} : ${OCF_RESKEY_daemon_timeout:="10"} # How long to wait for things to start : ${OCF_RESKEY_CRM_meta_globally_unique:="false"} DAEMON="/usr/sbin/ocfs2_controld.${OCF_RESKEY_stack}" CLUSTER_STACK_FILE="${OCF_RESKEY_sysfs}/ocfs2/cluster_stack" LOADED_PLUGINS_FILE="${OCF_RESKEY_sysfs}/ocfs2/loaded_cluster_plugins" # # Check to see if a filesystem driver is loaded. # 0 is loaded, 1 is not. # driver_filesystem() { if [ -z "$1" ] then ocf_log err "driver_filesystem(): Missing an argument" exit 1 fi FSNAME="$1" FSOUT="$(awk '(NF == 1 && $1 ~ /^'$FSNAME'$/) || $2 ~ /^'$FSNAME'$/{ print $1;exit }' /proc/filesystems 2>/dev/null)" test -n "$FSOUT" return $? } # # Check to see if a filesystem of type $1 is mounted at $2. # # 0 is mounted, 1 is not. # check_filesystem() { if [ $# -ne 2 ] || [ -z "$1" ] || [ -z "$2" ] then ocf_log err "check_filesystem(): Missing arguments" exit 4 fi FSNAME="$1" MOUNTPOINT="$2" FULL_MOUNTSEARCH=$(echo "$MOUNTPOINT" | sed -e 's/\//\\\\\//g') MOUNTOUT=$(awk '$2 ~ /^'$FULL_MOUNTSEARCH'$/ && $3 ~ /^'$FSNAME'$/{print $2; exit}' < /proc/mounts 2>/dev/null) test -n "$MOUNTOUT" return $? } # # Unload a filesystem driver. # Be careful to notice if the driver is built-in and do nothing. # # 0 is success, 1 is error, 2 is already unloaded. # unload_filesystem() { if [ $# -ne 1 ] || [ -z "$1" ] then ocf_log err "unload_filesystem(): Missing an argument" return 1 fi FSNAME="$1" driver_filesystem "$FSNAME" || return 2 MODOUT=$(awk '$1 ~ /^'$FSNAME'$/{print $1,$3;exit}' < /proc/modules 2>/dev/null) if [ -z "$MODOUT" ]; then # The driver is built in, we can't unload it. return 0 fi case "$MODOUT" in "$FSNAME 0") ;; "$FSNAME "*) # The driver is busy, leave it alone ocf_log err "Module $FSNAME is still in use" return 1 ;; *) ocf_log err "Invalid module parsing! " return 1 ;; esac modprobe -rs "$FSNAME" if [ $? -ne 0 ]; then ocf_log err "Unable to unload module: $FSNAME" return 1 fi return 0 } status_daemon() { PID=$(pidof "$DAEMON") if [ -n "$PID" ]; then return $OCF_SUCCESS fi return $OCF_NOT_RUNNING } bringup_daemon() { if [ ! -e "$DAEMON" ]; then ocf_log err "Required binary not found: $DAEMON" return $OCF_ERR_INSTALLED fi "$DAEMON"; rc=$? if [ $rc -ne 0 ]; then ocf_log err "Could not start $DAEMON" return $OCF_ERR_GENERIC fi sleep 1 COUNT=0 rc=$OCF_NOT_RUNNING while [ $rc -eq $OCF_NOT_RUNNING ]; do COUNT=$(expr $COUNT + 1) if [ $COUNT -gt $OCF_RESKEY_daemon_timeout ]; then ocf_log err "$(basename $DAEMON) did not come up" return $OCF_ERR_GENERIC fi status_daemon; rc=$? sleep 1 done return $rc } kill_daemon() { status_daemon; rc=$? if [ $rc -ne $OCF_SUCCESS ]; then return $rc fi ocf_log info "Stopping $(basename "$DAEMON")" killproc "$DAEMON" while [ $rc -eq $OCF_NOT_RUNNING ]; do sleep 1 status_daemon; rc=$? done return $OCF_SUCCESS } # # Unload a module # 0 is success, 1 is error, 2 is not loaded # unload_module() { if [ $# -lt 1 ] || [ -z "$1" ] then ocf_log err "unload_module(): Requires an argument" return 1 fi MODNAME="$1" MODOUT=$(awk '$1 ~ /^'$MODNAME'$/{print $1,$3;exit}' < /proc/modules 2>/dev/null) if [ -z "$MODOUT" ] then return 2 fi case "$MODOUT" in "$MODNAME 0") ;; "$MODNAME "*) return 2 ;; *) ocf_log err "Invalid module parsing!" return 1 ;; esac modprobe -rs "$MODNAME" if [ $? -ne 0 ]; then ocf_log err "Unable to unload module \"$MODNAME\"" return 1 fi return 0 } o2cb_start() { o2cb_monitor; rc=$? if [ $rc -ne $OCF_NOT_RUNNING ]; then return $rc fi ocf_log info "Starting $OCF_RESOURCE_INSTANCE" if [ ! -e "$CLUSTER_STACK_FILE" ]; then modprobe -s ocfs2_stackglue if [ $? -ne 0 ]; then ocf_log err "Could not load ocfs2_stackglue" return $OCF_ERR_INSTALLED fi fi SP_OUT="$(awk '/^'user'$/{print; exit}' "$LOADED_PLUGINS_FILE" 2>/dev/null)" if [ -z "$SP_OUT" ] then modprobe -s ocfs2_stack_user if [ $? -ne 0 ]; then ocf_log err "Could not load ocfs2_stack_user" return $OCF_ERR_INSTALLED fi fi SP_OUT="$(awk '/^'user'$/{print; exit}' "$LOADED_PLUGINS_FILE" 2>/dev/null)" if [ -z "$SP_OUT" ]; then ocf_log err "Switch to userspace stack unsuccessful" return $OCF_ERR_INSTALLED fi if [ -f "$CLUSTER_STACK_FILE" ]; then echo "$OCF_RESKEY_stack" >"$CLUSTER_STACK_FILE" if [ $? -ne 0 ]; then ocf_log err "Userspace stack '$OCF_RESKEY_stack' not supported" return $OCF_ERR_INSTALLED fi else ocf_log err "Switch to userspace stack not supported" return $OCF_ERR_INSTALLED fi driver_filesystem ocfs2; rc=$? if [ $rc -ne 0 ]; then modprobe -s ocfs2 if [ $? -ne 0 ]; then ocf_log err "Unable to load ocfs2 module" return $OCF_ERR_INSTALLED fi fi bringup_daemon return $? } o2cb_stop() { o2cb_monitor; rc=$? case $rc in "$OCF_NOT_RUNNING") return $OCF_SUCCESS;; esac ocf_log info "Stopping $OCF_RESOURCE_INSTANCE" kill_daemon if [ $? -ne 0 ]; then ocf_log err "Unable to unload modules: the cluster is still online" return $OCF_ERR_GENERIC fi unload_filesystem ocfs2 if [ $? -eq 1 ]; then ocf_log err "Unable to unload ocfs2 module" return $OCF_ERR_GENERIC fi # If we can't find the stack glue, we have nothing to do. [ ! -e "$LOADED_PLUGINS_FILE" ] && return $OCF_SUCCESS while read plugin do unload_module "ocfs2_stack_${plugin}" if [ $? -eq 1 ]; then ocf_log err "Unable to unload ocfs2_stack_${plugin}" return $OCF_ERR_GENERIC fi done <"$LOADED_PLUGINS_FILE" unload_module "ocfs2_stackglue" if [ $? -eq 1 ]; then ocf_log err "Unable to unload ocfs2_stackglue" return $OCF_ERR_GENERIC fi # Don't unmount configfs - it's always in use by libdlm } o2cb_monitor() { o2cb_validate # Assume that ocfs2_controld will terminate if any of the conditions below are met driver_filesystem configfs; rc=$? if [ $rc -ne 0 ]; then ocf_log info "configfs not loaded" return $OCF_NOT_RUNNING fi check_filesystem configfs "${OCF_RESKEY_configfs}"; rc=$? if [ $rc -ne 0 ]; then ocf_log info "configfs not mounted" return $OCF_NOT_RUNNING fi if [ ! -e "$LOADED_PLUGINS_FILE" ]; then ocf_log info "Stack glue driver not loaded" return $OCF_NOT_RUNNING fi grep user "$LOADED_PLUGINS_FILE" >/dev/null 2>&1; rc=$? if [ $rc -ne 0 ]; then ocf_log err "Wrong stack $(cat $LOADED_PLUGINS_FILE)" return $OCF_ERR_INSTALLED fi driver_filesystem ocfs2; rc=$? if [ $rc -ne 0 ]; then ocf_log info "ocfs2 not loaded" return $OCF_NOT_RUNNING fi status_daemon return $? } o2cb_usage() { echo "usage: $0 {start|stop|monitor|validate-all|meta-data}" echo " Expects to have a fully populated OCF RA-compliant environment set." echo " In particualr, a value for OCF_ROOT" } o2cb_validate() { check_binary ${DAEMON} case "${OCF_RESKEY_CRM_meta_globally_unique}" in yes|Yes|true|True|1) ocf_log err "$OCF_RESOURCE_INSTANCE must be configured with the globally_unique=false meta attribute" exit $OCF_ERR_CONFIGURED ;; esac return $OCF_SUCCESS } meta_data() { cat <<END <?xml version="1.0"?> <resource-agent name="o2cb" version="@VERSION@"> <version>1.0</version> <longdesc lang="en"> -This Resource Agent controls the userspace daemon needed by OCFS2. +This Resource Agent controls the userspace daemon needed by OCFS2. This agent +is deprecated and will be removed in Pacemaker 3.0.0. </longdesc> <shortdesc lang="en">OCFS2 daemon resource agent</shortdesc> <parameters> <parameter name="sysfs" unique="0"> <longdesc lang="en"> Location where sysfs is mounted </longdesc> <shortdesc lang="en">Sysfs location</shortdesc> <content type="string" default="/sys/fs"/> </parameter> <parameter name="configfs" unique="0"> <longdesc lang="en"> Location where configfs is mounted </longdesc> <shortdesc lang="en">Configfs location</shortdesc> <content type="string" default="/sys/kernel/config"/> </parameter> <parameter name="stack" unique="0"> <longdesc lang="en"> Which userspace stack to use. Known values: pcmk </longdesc> <shortdesc lang="en">Userspace stack</shortdesc> <content type="string" default="pcmk"/> </parameter> <parameter name="daemon_timeout" unique="0"> <longdesc lang="en"> Number of seconds to allow the control daemon to come up </longdesc> <shortdesc lang="en">Daemon Timeout</shortdesc> <content type="string" default="10"/> </parameter> </parameters> <actions> <action name="start" timeout="90s" /> <action name="stop" timeout="100s" /> <action name="monitor" timeout="20s" depth="0"/> <action name="meta-data" timeout="5s" /> <action name="validate-all" timeout="30s" /> </actions> </resource-agent> END } case "$__OCF_ACTION" in meta-data) meta_data exit $OCF_SUCCESS ;; start) o2cb_start ;; stop) o2cb_stop ;; monitor) o2cb_monitor ;; validate-all) o2cb_validate ;; usage|help) o2cb_usage exit $OCF_SUCCESS ;; *) o2cb_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $? # vim: set filetype=sh expandtab tabstop=4 softtabstop=4 shiftwidth=4 textwidth=80: