forked from pool/ocfs2-tools
b08edf399e
Copy from network:ha-clustering:Factory/ocfs2-tools based on submit request 42253 from user tserong OBS-URL: https://build.opensuse.org/request/show/42253 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/ocfs2-tools?expand=0&rev=25
456 lines
11 KiB
Bash
456 lines
11 KiB
Bash
#!/bin/bash
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# Copyright (c) 2008 Andrew Beekhof
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# All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Further, this software is distributed without any warranty that it is
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# free of the rightful claim of any third person regarding infringement
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# or the like. Any license provided herein, whether implied or
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# otherwise, applies only to this software file. Patent licenses, if
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# any, provided herein do not apply to combinations of this program with
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# other software, or any other product whatsoever.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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#
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#######################################################################
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# OCF initialization
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. ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs
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# Parameter defaults
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: ${OCF_RESKEY_stack:="pcmk"}
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: ${OCF_RESKEY_sysfs:="/sys/fs"}
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: ${OCF_RESKEY_daemon_timeout:="10"}
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: ${OCF_RESKEY_configfs:="/sys/kernel/config"}
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: ${OCF_RESKEY_CRM_meta_gloablly_unique:="false"}
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# Common variables
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DAEMON="/usr/sbin/ocfs2_controld.${OCF_RESKEY_stack}"
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CLUSTER_STACK_FILE="${OCF_RESKEY_sysfs}/ocfs2/cluster_stack"
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LOADED_PLUGINS_FILE="${OCF_RESKEY_sysfs}/ocfs2/loaded_cluster_plugins"
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#
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# Check to see if a filesystem driver is loaded.
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# 0 is loaded, 1 is not.
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#
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driver_filesystem() {
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if [ -z "$1" ]
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then
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ocf_log err "driver_filesystem(): Missing an argument"
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exit 1
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fi
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FSNAME="$1"
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FSOUT="$(awk '(NF == 1 && $1 ~ /^'$FSNAME'$/) || $2 ~ /^'$FSNAME'$/{
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print $1;exit
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}' /proc/filesystems 2>/dev/null)"
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test -n "$FSOUT"
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return $?
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}
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#
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# Check to see if a filesystem of type $1 is mounted at $2.
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#
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# 0 is mounted, 1 is not.
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#
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check_filesystem()
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{
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if [ "$#" != "2" -o -z "$1" -o -z "$2" ]
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then
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ocf_log err "check_filesystem(): Missing arguments"
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exit 4
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fi
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FSNAME="$1"
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MOUNTPOINT="$2"
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FULL_MOUNTSEARCH="`echo "$MOUNTPOINT" | sed -e 's/\//\\\\\//g'`"
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MOUNTOUT="`awk '$2 ~ /^'$FULL_MOUNTSEARCH'$/ && $3 ~ /^'$FSNAME'$/{print $2; exit}' < /proc/mounts 2>/dev/null`"
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test -n "$MOUNTOUT"
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return $?
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}
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#
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# Unload a filesystem driver.
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# Be careful to notice if the driver is built-in and do nothing.
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#
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# 0 is success, 1 is error, 2 is already unloaded.
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#
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unload_filesystem()
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{
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if [ "$#" != "1" -o -z "$1" ]
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then
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ocf_log err "unload_filesystem(): Missing an argument"
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return 1
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fi
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FSNAME="$1"
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driver_filesystem "$FSNAME" || return 2
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MODOUT="`awk '$1 ~ /^'$FSNAME'$/{print $1,$3;exit}' < /proc/modules 2>/dev/null`"
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if [ -z "$MODOUT" ]; then
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# The driver is built in, we can't unload it.
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return 0
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fi
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case "$MODOUT" in
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$FSNAME\ 0)
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;;
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$FSNAME\ *)
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# The driver is busy, leave it alone
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ocf_log err "Module $FSNAME is still in use"
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return 1
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;;
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*)
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ocf_log err "Invalid module parsing! "
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return 1
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;;
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esac
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modprobe -rs "$FSNAME"
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if [ "$?" != 0 ]; then
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ocf_log err "Unable to unload module: $FSNAME"
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return 1
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fi
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return 0
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}
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status_daemon()
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{
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PID=`pidofproc "$DAEMON"`
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if [ -n "$PID" ]; then
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return $OCF_SUCCESS
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fi
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return $OCF_NOT_RUNNING
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}
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bringup_daemon()
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{
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if [ ! -e "$DAEMON" ]; then
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ocf_log err "Required binary not found: $DAEMON"
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return $OCF_ERR_INSTALLED
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fi
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start_daemon "$DAEMON"; rc=$?
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if [ $rc != 0 ]; then
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ocf_log err "Could not start $DAEMON"
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return $OCF_ERR_GENERIC
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fi
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sleep 1
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COUNT=0
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rc=$OCF_NOT_RUNNING
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while [ $rc = $OCF_NOT_RUNNING ]; do
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COUNT=`expr $COUNT + 1`
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if [ $COUNT -gt $OCF_RESKEY_daemon_timeout ]; then
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ocf_log err "`basename $DAEMON` did not come up"
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ps axf | grep -C 3 $$
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return $OCF_ERR_GENERIC
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fi
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status_daemon; rc=$?
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sleep 1
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done
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return $rc
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}
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kill_daemon()
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{
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status_daemon; rc=$?
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if [ $rc == $OCF_NOT_RUNNING ]; then
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return 0
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fi
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ocf_log info "Stopping `basename "$DAEMON"`"
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killproc "$DAEMON"
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while [ $rc != $OCF_NOT_RUNNING ]; do
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sleep 1
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status_daemon; rc=$?
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done
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return 0
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}
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#
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# Unload a module
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# 0 is success, 1 is error, 2 is not loaded
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#
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unload_module()
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{
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if [ "$#" -lt "1" -o -z "$1" ]
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then
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ocf_log err "unload_module(): Requires an argument"
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return 1
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fi
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MODNAME="$1"
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MODOUT="`awk '$1 ~ /^'$MODNAME'$/{print $1,$3;exit}' < /proc/modules 2>/dev/null`"
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if [ -z "$MODOUT" ]
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then
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return 2
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fi
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case "$MODOUT" in
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$MODNAME\ 0)
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;;
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$MODNAME\ *)
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return 2
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;;
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*)
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ocf_log err "Invalid module parsing!"
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return 1
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;;
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esac
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modprobe -rs "$MODNAME"
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if [ "$?" != 0 ]; then
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ocf_log err "Unable to unload module \"$MODNAME\""
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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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o2cb_start() {
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o2cb_monitor; rc=$?
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if [ $rc != $OCF_NOT_RUNNING ]; then
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return $rc
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fi
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ocf_log info "Starting $OCF_RESOURCE_INSTANCE"
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if [ ! -e "$CLUSTER_STACK_FILE" ]; then
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modprobe -s ocfs2_stackglue
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if [ $? != 0 ]; then
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ocf_log err "Could not load ocfs2_stackglue"
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return $OCF_ERR_INSTALLED
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fi
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fi
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SP_OUT="$(awk '/^'user'$/{print; exit}' "$LOADED_PLUGINS_FILE" 2>/dev/null)"
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if [ -z "$SP_OUT" ]
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then
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modprobe -s ocfs2_stack_user
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if [ $? != 0 ]; then
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ocf_log err "Could not load ocfs2_stack_user"
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return $OCF_ERR_INSTALLED
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fi
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fi
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SP_OUT="$(awk '/^'user'$/{print; exit}' "$LOADED_PLUGINS_FILE" 2>/dev/null)"
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if [ -z "$SP_OUT" ]; then
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ocf_log err "Switch to userspace stack unsuccessful"
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return $OCF_ERR_INSTALLED
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fi
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if [ -f "$CLUSTER_STACK_FILE" ]; then
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echo "$OCF_RESKEY_stack" >"$CLUSTER_STACK_FILE"
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if [ $? != 0 ]; then
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ocf_log err "Userspace stack '$OCF_RESKEY_stack' not supported"
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return $OCF_ERR_INSTALLED
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fi
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else
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ocf_log err "Switch to userspace stack not supported"
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return $OCF_ERR_INSTALLED
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fi
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driver_filesystem ocfs2; rc=$?
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if [ $rc != 0 ]; then
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modprobe -s ocfs2
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if [ "$?" != 0 ]; then
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ocf_log err "Unable to load ocfs2 module"
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return $OCF_ERR_INSTALLED
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fi
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fi
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bringup_daemon
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return $?
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}
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o2cb_stop() {
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o2cb_monitor; rc=$?
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case $rc in
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$OCF_NOT_RUNNING) return $OCF_SUCCESS;;
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esac
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ocf_log info "Stopping $OCF_RESOURCE_INSTANCE"
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kill_daemon
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if [ $? != 0 ]; then
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ocf_log err "Unable to unload modules: the cluster is still online"
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return $OCF_ERR_GENERIC
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fi
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unload_filesystem ocfs2
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if [ $? = 1 ]; then
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ocf_log err "Unable to unload ocfs2 module"
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return $OCF_ERR_GENERIC
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fi
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# If we can't find the stack glue, we have nothing to do.
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[ ! -e "$LOADED_PLUGINS_FILE" ] && return $OCF_SUCCESS
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while read plugin
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do
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unload_module "ocfs2_stack_${plugin}"
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if [ $? = 1 ]; then
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ocf_log err "Unable to unload ocfs2_stack_${plugin}"
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return $OCF_ERR_GENERIC
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fi
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done <"$LOADED_PLUGINS_FILE"
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unload_module "ocfs2_stackglue"
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if [ $? = 1 ]; then
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ocf_log err "Unable to unload ocfs2_stackglue"
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return $OCF_ERR_GENERIC
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fi
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# Dont unmount configfs - its always in use by libdlm
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}
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o2cb_monitor() {
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o2cb_validate
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# Assume that ocfs2_controld will terminate if any of the conditions below are met
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driver_filesystem configfs; rc=$?
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if [ $rc != 0 ]; then
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ocf_log info "configfs not laoded"
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return $OCF_NOT_RUNNING
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fi
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check_filesystem configfs "${OCF_RESKEY_configfs}"; rc=$?
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if [ $rc != 0 ]; then
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ocf_log info "configfs not mounted"
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return $OCF_NOT_RUNNING
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fi
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if [ ! -e "$LOADED_PLUGINS_FILE" ]; then
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ocf_log info "Stack glue driver not loaded"
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return $OCF_NOT_RUNNING
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fi
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grep user "$LOADED_PLUGINS_FILE" >/dev/null 2>&1; rc=$?
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if [ $rc != 0 ]; then
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ocf_log err "Wrong stack `cat $LOADED_PLUGINS_FILE`"
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return $OCF_ERR_INSTALLED
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fi
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driver_filesystem ocfs2; rc=$?
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if [ $rc != 0 ]; then
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ocf_log info "ocfs2 not loaded"
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return $OCF_NOT_RUNNING
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fi
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status_daemon
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return $?
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}
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o2cb_usage() {
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echo "usage: $0 {start|stop|monitor|validate-all|meta-data}"
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echo " Expects to have a fully populated OCF RA-compliant environment set."
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echo " In particualr, a value for OCF_ROOT"
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}
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o2cb_validate() {
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: TODO: check for gloablly_unique=true and return OCF_ERR_CONFIGURED
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case ${OCF_RESKEY_CRM_meta_gloablly_unique} in
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yes|Yes|true|True|1)
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ocf_log err "$OCF_RESOURCE_INSTANCE must be configured with the gloablly_unique=false meta attribute"
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exit $OCF_ERR_CONFIGURED
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;;
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esac
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return $OCF_SUCCESS
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}
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meta_data() {
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cat <<END
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<?xml version="1.0"?>
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<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
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<resource-agent name="o2cb">
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<version>1.0</version>
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<shortdesc lang="en">o2cb resource agent</shortdesc>
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<longdesc lang="en">
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This is a o2cb Resource Agent. It runs o2cb daemon as a instance of anonymous clone.
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</longdesc>
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<parameters>
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<parameter name="sysfs" unique="0">
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<longdesc lang="en">
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Location where sysfs is mounted
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</longdesc>
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<shortdesc lang="en">Sysfs location</shortdesc>
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<content type="string" default="/sys/fs"/>
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</parameter>
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<parameter name="configfs" unique="0">
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<longdesc lang="en">
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Location where configfs is mounted
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</longdesc>
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<shortdesc lang="en">Configfs location</shortdesc>
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<content type="string" default="/sys/kernel/config"/>
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</parameter>
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<parameter name="stack" unique="0">
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<longdesc lang="en">
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Which userspace stack to use. Known values: pcmk, cman
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</longdesc>
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<shortdesc lang="en">Userspace stack</shortdesc>
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<content type="string" default="pcmk"/>
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</parameter>
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<parameter name="daemon_timeout" unique="0">
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<longdesc lang="en">
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Number of seconds to allow the control daemon to come up
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</longdesc>
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<shortdesc lang="en">Daemon Timeout</shortdesc>
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<content type="string" default="10"/>
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</parameter>
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</parameters>
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<actions>
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<action name="start" timeout="90" />
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<action name="stop" timeout="100" />
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<action name="monitor" timeout="20" depth="0"/>
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<action name="meta-data" timeout="5" />
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<action name="validate-all" timeout="30" />
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</actions>
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</resource-agent>
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END
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}
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case $__OCF_ACTION in
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meta-data) meta_data
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exit $OCF_SUCCESS
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;;
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start) o2cb_start
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;;
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stop) o2cb_stop
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;;
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monitor) o2cb_monitor
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;;
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validate-all) o2cb_validate
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;;
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usage|help) o2cb_usage
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exit $OCF_SUCCESS
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;;
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*) o2cb_usage
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exit $OCF_ERR_UNIMPLEMENTED
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;;
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esac
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exit $?
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