/usr/share/cluster/vm.sh is in resource-agents 1:3.9.7-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 | #!/bin/bash
#
# Copyright (C) 1997-2003 Sistina Software, Inc. All rights reserved.
# Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
PATH=/bin:/sbin:/usr/bin:/usr/sbin
# Only allow pid status checks during monitor operations.
# Otherwise we want proceed with failing if virsh is not available.
ALLOW_PID_STATUS_CHECK=0
if [ "$1" = "monitor" ] || [ "$1" = "status" ]; then
ALLOW_PID_STATUS_CHECK=1
fi
export PATH
. $(dirname $0)/ocf-shellfuncs || exit 1
#
# Virtual Machine start/stop script (requires the virsh command)
#
EMULATOR_STATE="/var/run/vm-${OCF_RESKEY_name}-emu.state"
# Indeterminate state: xend/libvirtd is down.
export OCF_APP_ERR_INDETERMINATE=150
meta_data()
{
cat <<EOT
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1-modified.dtd">
<resource-agent version="rgmanager 2.0" name="vm">
<version>1.0</version>
<longdesc lang="en">
Defines a Virtual Machine
</longdesc>
<shortdesc lang="en">
Defines a Virtual Machine
</shortdesc>
<parameters>
<parameter name="name" primary="1">
<longdesc lang="en">
This is the name of the virtual machine.
</longdesc>
<shortdesc lang="en">
Name
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="domain" reconfig="1">
<longdesc lang="en">
Failover domains define lists of cluster members
to try in the event that the host of the virtual machine
fails.
</longdesc>
<shortdesc lang="en">
Cluster failover Domain
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="autostart" reconfig="1">
<longdesc lang="en">
If set to yes, this resource group will automatically be started
after the cluster forms a quorum. If set to no, this virtual
machine will start in the 'disabled' state after the cluster
forms a quorum.
</longdesc>
<shortdesc lang="en">
Automatic start after quorum formation
</shortdesc>
<content type="boolean" default="1"/>
</parameter>
<parameter name="exclusive" reconfig="1">
<longdesc lang="en">
If set, this resource group will only relocate to
nodes which have no other resource groups running in the
event of a failure. If no empty nodes are available,
this resource group will not be restarted after a failure.
Additionally, resource groups will not automatically
relocate to the node running this resource group. This
option can be overridden by manual start and/or relocate
operations.
</longdesc>
<shortdesc lang="en">
Exclusive resource group
</shortdesc>
<content type="boolean" default="0"/>
</parameter>
<parameter name="recovery" reconfig="1">
<longdesc lang="en">
This currently has three possible options: "restart" tries
to restart this virtual machine locally before
attempting to relocate (default); "relocate" does not bother
trying to restart the VM locally; "disable" disables
the VM if it fails.
</longdesc>
<shortdesc lang="en">
Failure recovery policy
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="migration_mapping" reconfig="1">
<longdesc lang="en">
Mapping of the hostname of a target cluster member to a different hostname
</longdesc>
<shortdesc lang="en">
memberhost:targethost,memberhost:targethost ..
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="use_virsh">
<longdesc lang="en">
Force use of virsh instead of xm on Xen machines.
</longdesc>
<shortdesc lang="en">
If set to 1, vm.sh will use the virsh command to manage
virtual machines instead of xm. This is required when
using non-Xen virtual machines (e.g. qemu / KVM).
</shortdesc>
<content type="integer" default=""/>
</parameter>
<parameter name="xmlfile">
<longdesc lang="en">
Full path to libvirt XML file describing the domain.
</longdesc>
<shortdesc lang="en">
Full path to libvirt XML file describing the domain.
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="migrate">
<longdesc lang="en">
Migration type (live or pause, default = live).
</longdesc>
<shortdesc lang="en">
Migration type (live or pause, default = live).
</shortdesc>
<content type="string" default="live"/>
</parameter>
<parameter name="migrate_options">
<longdesc lang="en">
Extra options for the guest live migration.
</longdesc>
<shortdesc lang="en">
Extra options for the guest live migration.
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="tunnelled">
<longdesc lang="en">
Tunnel data over ssh to securely migrate virtual machines.
</longdesc>
<shortdesc lang="en">
Tunnel data over ssh to securely migrate virtual machines.
</shortdesc>
<content type="string" default=""/>
</parameter>
<parameter name="path">
<longdesc lang="en">
Path specification vm.sh will search for the specified
VM configuration file. /path1:/path2:...
</longdesc>
<shortdesc lang="en">
Path to virtual machine configuration files.
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="snapshot">
<longdesc lang="en">
Path to the snapshot directory where the virtual machine
image will be stored.
</longdesc>
<shortdesc lang="en">
Path to the snapshot directory where the virtual machine
image will be stored.
</shortdesc>
<content type="string" default=""/>
</parameter>
<parameter name="depend">
<longdesc lang="en">
Service dependency; will not start without the specified
service running.
</longdesc>
<shortdesc lang="en">
Top-level service this depends on, in service:name format.
</shortdesc>
<content type="string"/>
</parameter>
<parameter name="depend_mode">
<longdesc lang="en">
Service dependency mode.
hard - This service is stopped/started if its dependency
is stopped/started
soft - This service only depends on the other service for
initial startip. If the other service stops, this
service is not stopped.
</longdesc>
<shortdesc lang="en">
Service dependency mode (soft or hard).
</shortdesc>
<content type="string" default="hard"/>
</parameter>
<parameter name="max_restarts" reconfig="1">
<longdesc lang="en">
Maximum restarts for this service.
</longdesc>
<shortdesc lang="en">
Maximum restarts for this service.
</shortdesc>
<content type="string" default="0"/>
</parameter>
<parameter name="restart_expire_time" reconfig="1">
<longdesc lang="en">
Restart expiration time. A restart is forgotten
after this time. When combined with the max_restarts
option, this lets administrators specify a threshold
for when to fail over services. If max_restarts
is exceeded in this given expiration time, the service
is relocated instead of restarted again.
</longdesc>
<shortdesc lang="en">
Restart expiration time; amount of time before a restart
is forgotten.
</shortdesc>
<content type="string" default="0"/>
</parameter>
<parameter name="status_program" reconfig="1">
<longdesc lang="en">
Ordinarily, only the presence/health of a virtual machine
is checked. If specified, the status_program value is
executed during a depth 10 check. The intent of this
program is to ascertain the status of critical services
within a virtual machine.
</longdesc>
<shortdesc lang="en">
Additional status check program
</shortdesc>
<content type="string" default=""/>
</parameter>
<parameter name="hypervisor">
<longdesc lang="en">
Specify hypervisor tricks to use. Default = auto.
Other supported options are xen and qemu.
</longdesc>
<shortdesc lang="en">
Hypervisor
</shortdesc >
<content type="string" default="auto"/>
</parameter>
<parameter name="hypervisor_uri">
<longdesc lang="en">
Hypervisor URI. Generally, this is keyed off of the
hypervisor and does not need to be set.
</longdesc>
<shortdesc lang="en">
Hypervisor URI (normally automatic).
</shortdesc >
<content type="string" default="auto" />
</parameter>
<parameter name="migration_uri">
<longdesc lang="en">
Migration URI. Generally, this is keyed off of the
hypervisor and does not need to be set.
</longdesc>
<shortdesc lang="en">
Migration URI (normally automatic).
</shortdesc >
<content type="string" default="auto" />
</parameter>
<parameter name="no_kill">
<longdesc lang="en">
Do not force kill vm during stop, instead
fail after the timeout expires.
</longdesc>
<shortdesc lang="en">
Don't force kill vm on stop.
</shortdesc >
<content type="boolean" default="false" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="300"/>
<action name="stop" timeout="120"/>
<action name="status" timeout="10" interval="30"/>
<action name="monitor" timeout="10" interval="30"/>
<!-- depth 10 calls the status_program -->
<action name="status" depth="10" timeout="20" interval="60"/>
<action name="monitor" depth="10" timeout="20" interval="60"/>
<!-- reconfigure - reconfigure with new OCF parameters.
NOT OCF COMPATIBLE AT ALL -->
<action name="reconfig" timeout="10"/>
<action name="migrate" timeout="10m"/>
<action name="meta-data" timeout="5"/>
<action name="validate-all" timeout="5"/>
</actions>
<special tag="rgmanager">
<!-- Destroy_on_delete / init_on_add are currently only
supported for migratory resources (no children
and the 'migrate' action; see above. Do not try this
with normal services -->
<attributes maxinstances="1" destroy_on_delete="0" init_on_add="0"/>
</special>
</resource-agent>
EOT
}
build_virsh_cmdline()
{
declare cmdline=""
declare operation=$1
if [ -n "$OCF_RESKEY_hypervisor_uri" ]; then
cmdline="$cmdline -c $OCF_RESKEY_hypervisor_uri"
fi
cmdline="$cmdline $operation $OCF_RESKEY_name"
echo $cmdline
}
# this is only used on startup
build_xm_cmdline()
{
declare operation=$1
#
# Virtual domains should never restart themselves when
# controlled externally; the external monitoring app
# should.
#
declare cmdline="on_shutdown=\"destroy\" on_reboot=\"destroy\" on_crash=\"destroy\""
if [ -n "$OCF_RESKEY_path" ]; then
operation="$operation --path=\"$OCF_RESKEY_path\""
fi
if [ -n "$OCF_RESKEY_name" ]; then
cmdline="$operation $OCF_RESKEY_name $cmdline"
fi
echo $cmdline
}
do_xm_start()
{
# Use /dev/null for the configuration file, if xmdefconfig
# doesn't exist...
#
declare cmdline
echo -n "Virtual machine $OCF_RESKEY_name is "
do_status && return 0
cmdline="`build_xm_cmdline create`"
ocf_log debug "xm $cmdline"
eval xm $cmdline
return $?
}
get_timeout()
{
declare -i default_timeout=60
declare -i tout=60
if [ -n "$OCF_RESKEY_RGMANAGER_meta_timeout" ]; then
tout=$OCF_RESKEY_RGMANAGER_meta_timeout
elif [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then
tout=$OCF_RESKEY_CRM_meta_timeout
fi
if [ $tout -eq 0 ]; then
echo $default_timeout
return 0
fi
if [ $tout -lt 0 ]; then
echo $default_timeout
return 0
fi
echo $tout
return 0
}
get_emulator()
{
local emulator=""
emulator=$(virsh $VIRSH_OPTIONS dumpxml $OCF_RESKEY_name 2>/dev/null | sed -n -e 's/^.*<emulator>\(.*\)<\/emulator>.*$/\1/p')
if [ -z "$emulator" ] && [ -a "$EMULATOR_STATE" ]; then
emulator=$(cat $EMULATOR_STATE)
fi
if [ -z "$emulator" ]; then
emulator=$(cat ${OCF_RESKEY_config} | sed -n -e 's/^.*<emulator>\(.*\)<\/emulator>.*$/\1/p')
fi
if [ -n "$emulator" ]; then
basename $emulator
else
ocf_log error "Unable to determine emulator for $OCF_RESKEY_name"
fi
}
update_emulator_cache()
{
local emulator
emulator=$(get_emulator)
if [ -n "$emulator" ]; then
echo $emulator > $EMULATOR_STATE
fi
}
#
# Start a virtual machine given the parameters from
# the environment.
#
do_virsh_start()
{
declare cmdline
declare snapshotimage
declare rc
echo -n "Virtual machine $OCF_RESKEY_name is "
do_status && return 0
snapshotimage="$OCF_RESKEY_snapshot/$OCF_RESKEY_name"
if [ -n "$OCF_RESKEY_snapshot" -a -f "$snapshotimage" ]; then
eval virsh restore $snapshotimage
if [ $? -eq 0 ]; then
rm -f $snapshotimage
return 0
fi
return 1
fi
if [ -n "$OCF_RESKEY_xmlfile" -a -f "$OCF_RESKEY_xmlfile" ]; then
# TODO: try to use build_virsh_cmdline for the hypervisor_uri
cmdline="virsh create $OCF_RESKEY_xmlfile"
else
cmdline="virsh $(build_virsh_cmdline start)"
fi
ocf_log debug "$cmdline"
$cmdline
rc=$?
update_emulator_cache
return $rc
}
do_xm_stop()
{
declare -i timeout=60
declare -i ret=1
declare st
for op in $*; do
echo "CMD: xm $op $OCF_RESKEY_name"
xm $op $OCF_RESKEY_name
timeout=60
while [ $timeout -gt 0 ]; do
sleep 5
((timeout -= 5))
do_status&>/dev/null || return 0
while read dom state; do
#
# State is "stopped". Kill it.
#
if [ "$dom" != "$OCF_RESKEY_name" ]; then
continue
fi
if [ "$state" != "---s-" ]; then
continue
fi
xm destroy $OCF_RESKEY_name
done < <(xm list | awk '{print $1, $5}')
done
done
return 1
}
#
# Stop a VM. Try to shut it down. Wait a bit, and if it
# doesn't shut down, destroy it.
#
do_virsh_stop()
{
declare -i timeout=$(get_timeout)
declare -i ret=1
declare state
state=$(do_status)
[ $? -eq 0 ] || return 0
if [ -n "$OCF_RESKEY_snapshot" ]; then
virsh save $OCF_RESKEY_name "$OCF_RESKEY_snapshot/$OCF_RESKEY_name"
fi
for op in $*; do
echo virsh $op $OCF_RESKEY_name ...
virsh $op $OCF_RESKEY_name
timeout=$(get_timeout)
while [ $timeout -gt 0 ]; do
sleep 5
((timeout -= 5))
state=$(do_status)
[ $? -eq 0 ] || return 0
if [ "$state" = "paused" ]; then
virsh destroy $OCF_RESKEY_name
fi
done
done
ocf_log err "Stop operation timed out for vm '$OCF_RESKEY_name'"
return 1
}
do_start()
{
if [ "$OCF_RESKEY_use_virsh" = "1" ]; then
do_virsh_start $*
return $?
fi
do_xm_start $*
return $?
}
do_stop()
{
declare domstate rv
domstate=$(do_status)
rv=$?
ocf_log debug "Virtual machine $OCF_RESKEY_name is $domstate"
if [ $rv -eq $OCF_APP_ERR_INDETERMINATE ]; then
ocf_log crit "xend/libvirtd is dead; cannot stop $OCF_RESKEY_name"
return 1
fi
if [ "$OCF_RESKEY_use_virsh" = "1" ]; then
do_virsh_stop $*
return $?
fi
do_xm_stop $*
return $?
}
#
# Reconfigure a running VM.
#
reconfigure()
{
return 0
}
xm_status()
{
service xend status &> /dev/null
if [ $? -ne 0 ]; then
# if xend died
echo indeterminate
return $OCF_APP_ERR_INDETERMINATE
fi
xm list $OCF_RESKEY_name &> /dev/null
if [ $? -eq 0 ]; then
echo "running"
return 0
fi
xm list migrating-$OCF_RESKEY_name &> /dev/null
if [ $? -eq 0 ]; then
echo "running"
return 0
fi
echo "not running"
return $OCF_NOT_RUNNING
}
# attempt to check domain status outside of libvirt using the emulator process
vm_pid_status()
{
local rc=$OCF_ERR_GENERIC
local emulator
if [ $ALLOW_PID_STATUS_CHECK -eq 0 ]; then
echo "indeterminate"
return $OCF_APP_ERR_INDETERMINATE
fi
emulator=$(get_emulator)
case "$emulator" in
qemu-kvm|qemu-system-*)
rc=$OCF_NOT_RUNNING
ps awx | grep -E "[q]emu-(kvm|system).*-name $OCF_RESKEY_name " > /dev/null 2>&1
if [ $? -eq 0 ]; then
rc=$OCF_SUCCESS
fi
;;
# This can be expanded to check for additional emulators
*)
echo "indeterminate"
return $OCF_APP_ERR_INDETERMINATE
;;
esac
if [ $rc -eq $OCF_SUCCESS ]; then
echo "running"
elif [ $rc -eq $OCF_NOT_RUNNING ]; then
echo "shut off"
fi
return $rc
}
virsh_status()
{
declare state pid
if [ "$OCF_RESKEY_hypervisor" = "xen" ]; then
service xend status &> /dev/null
if [ $? -ne 0 ]; then
echo indeterminate
return $OCF_APP_ERR_INDETERMINATE
fi
fi
#
# libvirtd is required when using virsh even though
# not specifically when also using Xen. This is because
# libvirtd is required for migration.
#
pid=$(pidof libvirtd)
if [ -z "$pid" ]; then
# attempt to determine if vm is running from pid file
vm_pid_status
return $?
fi
state=$(virsh domstate $OCF_RESKEY_name)
echo $state
if [ "$state" = "running" ] || [ "$state" = "paused" ] || [ "$state" = "no state" ] ||
[ "$state" = "idle" ]; then
update_emulator_cache
return 0
fi
if [ "$state" = "shut off" ]; then
return $OCF_NOT_RUNNING
fi
return $OCF_ERR_GENERIC
}
#
# Simple status check: Find the VM in the list of running
# VMs
#
do_status()
{
if [ "$OCF_RESKEY_use_virsh" = "1" ]; then
virsh_status
return $?
fi
xm_status
return $?
}
#
# virsh "path" attribute support
#
check_config_file()
{
declare path=$1
if [ -f "$path/$OCF_RESKEY_name" ]; then
echo $path/$OCF_RESKEY_name
return 2
elif [ -f "$path/$OCF_RESKEY_name.xml" ]; then
echo $path/$OCF_RESKEY_name.xml
return 2
fi
return 0
}
parse_input()
{
declare delim=$1
declare input=$2
declare func=$3
declare inp
declare value
while [ -n "$input" ]; do
value=${input/$delim*/}
if [ -n "$value" ]; then
eval $func $value
if [ $? -eq 2 ]; then
return 0
fi
fi
inp=${input/$value$delim/}
if [ "$input" = "$inp" ]; then
inp=${input/$value/}
fi
input=$inp
done
}
search_config_path()
{
declare config_file=$(parse_input ":" "$OCF_RESKEY_path" check_config_file)
if [ -n "$config_file" ]; then
export OCF_RESKEY_xmlfile=$config_file
return 0
fi
return 1
}
choose_management_tool()
{
declare -i is_xml
#
# Don't override user value for use_virsh if one is given
#
if [ -n "$OCF_RESKEY_use_virsh" ]; then
return 0
fi
which xmllint &> /dev/null
if [ $? -ne 0 ]; then
ocf_log warning "Could not find xmllint; assuming virsh mode"
export OCF_RESKEY_use_virsh=1
unset OCF_RESKEY_path
return 0
fi
xmllint $OCF_RESKEY_xmlfile &> /dev/null
is_xml=$?
if [ $is_xml -eq 0 ]; then
ocf_log debug "$OCF_RESKEY_xmlfile is XML; using virsh"
export OCF_RESKEY_use_virsh=1
unset OCF_RESKEY_path
else
ocf_log debug "$OCF_RESKEY_xmlfile is not XML; using xm"
export OCF_RESKEY_use_virsh=0
unset OCF_RESKEY_xmlfile
fi
return 0
}
get_hypervisor()
{
local hypervisor="`virsh version | grep \"Running hypervisor:\" | awk '{print $3}' | tr A-Z a-z`"
# if virsh gives us nothing (likely because libvirt is down), we can attempt
# to determine auto detect the hypervisor is qemu if a qemu emulator is used
# for this domain.
if [ -z "$hypervisor" ]; then
get_emulator | grep "qemu" > /dev/null 2>&1
if [ $? -eq 0 ]; then
hypervisor="qemu"
fi
fi
echo $hypervisor
}
validate_all()
{
if [ "$(id -u)" != "0" ]; then
ocf_log err "Cannot control VMs. as non-root user."
return 1
fi
#
# If someone selects a hypervisor, honor it.
# Otherwise, ask virsh what the hypervisor is.
#
if [ -z "$OCF_RESKEY_hypervisor" ] ||
[ "$OCF_RESKEY_hypervisor" = "auto" ]; then
export OCF_RESKEY_hypervisor="`get_hypervisor`"
if [ -z "$OCF_RESKEY_hypervisor" ]; then
ocf_log err "Could not determine Hypervisor"
return $OCF_ERR_ARGS
fi
echo Hypervisor: $OCF_RESKEY_hypervisor
fi
#
# Xen hypervisor only for when use_virsh = 0.
#
if [ "$OCF_RESKEY_use_virsh" = "0" ]; then
if [ "$OCF_RESKEY_hypervisor" != "xen" ]; then
ocf_log err "Cannot use $OCF_RESKEY_hypervisor hypervisor without using virsh"
return $OCF_ERR_ARGS
fi
if [ -n "$OCF_RESKEY_xmlfile" ]; then
ocf_log err "Cannot use xmlfile if use_virsh is set to 0"
return $OCF_ERR_ARGS
fi
else
#
# Virsh path support.
#
if [ -n "$OCF_RESKEY_path" ] &&
[ "$OCF_RESKEY_path" != "/etc/xen" ]; then
if [ -n "$OCF_RESKEY_xmlfile" ]; then
ocf_log warning "Using $OCF_RESKEY_xmlfile instead of searching $OCF_RESKEY_path"
else
search_config_path
if [ $? -ne 0 ]; then
ocf_log warning "Could not find $OCF_RESKEY_name or $OCF_RESKEY_name.xml in search path $OCF_RESKEY_path"
unset OCF_RESKEY_xmlfile
else
ocf_log debug "Using $OCF_RESKEY_xmlfile"
fi
choose_management_tool
fi
else
export OCF_RESKEY_use_virsh=1
fi
fi
if [ "$OCF_RESKEY_use_virsh" = "0" ]; then
echo "Management tool: xm"
which xm &> /dev/null
if [ $? -ne 0 ]; then
ocf_log err "Cannot find 'xm'; is it installed?"
return $OCF_ERR_INSTALLED
fi
if [ "$OCF_RESKEY_hypervisor" != "xen" ]; then
ocf_log err "Cannot use $OCF_RESKEY_hypervisor hypervisor without using virsh"
return $OCF_ERR_ARGS
fi
else
echo "Management tool: virsh"
which virsh &> /dev/null
if [ $? -ne 0 ]; then
ocf_log err "Cannot find 'virsh'; is it installed?"
return $OCF_ERR_INSTALLED
fi
fi
#
# Set the hypervisor URI
#
if [ -z "$OCF_RESKEY_hypervisor_uri" -o "$OCF_RESKEY_hypervisor_uri" = "auto" ] &&
[ "$OCF_RESKEY_use_virsh" = "1" ]; then
# Virsh makes it easier to do this. Really.
if [ "$OCF_RESKEY_hypervisor" = "qemu" ]; then
OCF_RESKEY_hypervisor_uri="qemu:///system"
fi
# I just need to believe in it more.
if [ "$OCF_RESKEY_hypervisor" = "xen" ]; then
OCF_RESKEY_hypervisor_uri="xen:///"
fi
echo Hypervisor URI: $OCF_RESKEY_hypervisor_uri
fi
#
# Set the migration URI
#
if [ -z "$OCF_RESKEY_migration_uri" -o "$OCF_RESKEY_migration_uri" = "auto" ] &&
[ "$OCF_RESKEY_use_virsh" = "1" ]; then
# Virsh makes it easier to do this. Really.
if [ "$OCF_RESKEY_hypervisor" = "qemu" ]; then
export OCF_RESKEY_migration_uri="qemu+ssh://%s/system"
fi
# I just need to believe in it more.
if [ "$OCF_RESKEY_hypervisor" = "xen" ]; then
export OCF_RESKEY_migration_uri="xenmigr://%s/"
fi
[ -n "$OCF_RESKEY_migration_uri" ] && echo Migration URI format: $(printf $OCF_RESKEY_migration_uri target_host)
fi
if [ -z "$OCF_RESKEY_name" ]; then
echo No domain name specified
return $OCF_ERR_ARGS
fi
if [ "$OCF_RESKEY_hypervisor" = "qemu" ]; then
export migrateuriopt="tcp:%s"
fi
case "$OCF_RESKEY_no_kill" in
yes|true|1|YES|TRUE|on|ON)
OCF_RESKEY_no_kill=1
;;
esac
#virsh list --all | awk '{print $2}' | grep -q "^$OCF_RESKEY_name\$"
return $?
}
virsh_migrate()
{
declare target=$1
declare rv=1
#
# Xen and qemu have different migration mechanisms
#
if [ "$OCF_RESKEY_hypervisor" = "xen" ]; then
cmd="virsh migrate $migrate_opt $OCF_RESKEY_migrate_options $OCF_RESKEY_name $OCF_RESKEY_hypervisor_uri $(printf $OCF_RESKEY_migration_uri $target)"
ocf_log debug "$cmd"
err=$($cmd 2>&1 | head -1; exit ${PIPESTATUS[0]})
rv=$?
elif [ "$OCF_RESKEY_hypervisor" = "qemu" ]; then
if [ -z "$tunnelled_opt" ]; then
cmd="virsh migrate $tunnelled_opt $migrate_opt $OCF_RESKEY_migrate_options $OCF_RESKEY_name $(printf $OCF_RESKEY_migration_uri $target) $(printf $migrateuriopt $target)"
else
cmd="virsh migrate $tunnelled_opt $migrate_opt $OCF_RESKEY_migrate_options $OCF_RESKEY_name $(printf $OCF_RESKEY_migration_uri $target)"
fi
ocf_log debug "$cmd"
err=$($cmd 2>&1 | head -1; exit ${PIPESTATUS[0]})
rv=$?
fi
if [ $rv -ne 0 ]; then
ocf_log err "Migrate $OCF_RESKEY_name to $target failed:"
ocf_log err "$err"
if [ "$err" != "${err/does not exist/}" ]; then
return $OCF_ERR_CONFIGURED
fi
if [ "$err" != "${err/Domain not found/}" ]; then
return $OCF_ERR_CONFIGURED
fi
return $OCF_ERR_GENERIC
fi
return $rv
}
#
# XM migrate
#
xm_migrate()
{
declare target=$1
declare errstr rv migrate_opt cmd
rv=1
if [ "$OCF_RESKEY_migrate" = "live" ]; then
migrate_opt="-l"
fi
# migrate() function sets target using migration_mapping;
# no need to do it here anymore
cmd="xm migrate $migrate_opt $OCF_RESKEY_migrate_options $OCF_RESKEY_name $target"
ocf_log debug "$cmd"
err=$($cmd 2>&1 | head -1; exit ${PIPESTATUS[0]})
rv=$?
if [ $rv -ne 0 ]; then
ocf_log err "Migrate $OCF_RESKEY_name to $target failed:"
ocf_log err "$err"
if [ "$err" != "${err/does not exist/}" ]; then
return $OCF_NOT_RUNNING
fi
if [ "$err" != "${err/Connection refused/}" ]; then
return $OCF_ERR_CONFIGURED
fi
return $OCF_ERR_GENERIC
fi
return $?
}
#
# Virsh migrate
#
migrate()
{
declare target=$1
declare rv migrate_opt
declare tunnelled_opt
if [ "$OCF_RESKEY_migrate" = "live" ]; then
migrate_opt="--live"
fi
case "$OCF_RESKEY_tunnelled" in
yes|true|1|YES|TRUE|on|ON)
tunnelled_opt="--tunnelled --p2p"
;;
esac
# Patch from Marcelo Azevedo to migrate over private
# LANs instead of public LANs
if [ -n "$OCF_RESKEY_migration_mapping" ] ; then
target=${OCF_RESKEY_migration_mapping#*$target:} target=${target%%,*}
fi
if [ "$OCF_RESKEY_use_virsh" = "1" ]; then
virsh_migrate $target
rv=$?
else
xm_migrate $target
rv=$?
fi
return $rv
}
wait_start()
{
declare -i timeout_remaining=$(get_timeout)
declare -i start_time
declare -i end_time
declare -i delta
declare -i sleep_time
if [ -z "$OCF_RESKEY_status_program" ]; then
return 0
fi
while [ $timeout_remaining -gt 0 ]; do
start_time=$(date +%s)
bash -c "$OCF_RESKEY_status_program"
if [ $? -eq 0 ]; then
return 0
fi
end_time=$(date +%s)
delta=$(((end_time - start_time)))
sleep_time=$(((5 - delta)))
((timeout_remaining -= $delta))
if [ $sleep_time -gt 0 ]; then
sleep $sleep_time
((timeout_remaining -= $sleep_time))
fi
done
ocf_log err "Start of $OCF_RESOURCE_INSTANCE has failed"
ocf_log err "Timeout exceeded while waiting for \"$OCF_RESKEY_status_program\""
return 1
}
#
#
#
case $1 in
start)
validate_all || exit $OCF_ERR_ARGS
do_start
rv=$?
if [ $rv -ne 0 ]; then
exit $rv
fi
wait_start
exit $?
;;
stop)
validate_all || exit $OCF_ERR_ARGS
if [ $OCF_RESKEY_no_kill -eq 1 ]; then
do_stop shutdown
else
do_stop shutdown destroy
fi
exit $?
;;
kill)
validate_all || exit $OCF_ERR_ARGS
do_stop destroy
exit $?
;;
recover|restart)
exit 0
;;
status|monitor)
validate_all || exit $OCF_ERR_ARGS
echo -n "Virtual machine $OCF_RESKEY_name is "
do_status
rv=$?
if [ $rv -ne 0 ]; then
exit $rv
fi
[ -z "$OCF_RESKEY_status_program" ] && exit 0
[ -z "$OCF_CHECK_LEVEL" ] && exit 0
[ $OCF_CHECK_LEVEL -lt 10 ] && exit 0
bash -c "$OCF_RESKEY_status_program" &> /dev/null
exit $?
;;
migrate)
validate_all || exit $OCF_ERR_ARGS
migrate $2 # Send VM to this node
rv=$?
if [ $rv -eq $OCF_ERR_GENERIC ]; then
# Catch-all: If migration failed with
# an unhandled error, do a status check
# to see if the VM is really dead.
#
# If the VM is still in good health, return
# a value to rgmanager to indicate the
# non-critical error
#
# OCF states that codes 150-199 are reserved
# for application use, so we'll use 150
#
do_status > /dev/null
if [ $? -eq 0 ]; then
rv=150
fi
fi
exit $rv
;;
reload)
exit 0
;;
reconfig)
validate_all || exit $OCF_ERR_ARGS
echo "$0 RECONFIGURING $OCF_RESKEY_memory"
reconfigure
exit $?
;;
meta-data)
meta_data
exit 0
;;
validate-all)
validate_all
exit $?
;;
*)
echo "usage: $0 {start|stop|restart|status|reload|reconfig|meta-data|validate-all}"
exit 1
;;
esac
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