Page MenuHomeClusterLabs Projects
Files F1841424

No OneTemporary
Actions

View Options

diff --git a/extra/resources/controld b/extra/resources/controld
index ed43326df9..260ba43e54 100755
--- a/extra/resources/controld
+++ b/extra/resources/controld
@@ -1,292 +1,298 @@
#!/bin/sh
#
# ocf:pacemaker:controld resource agent
#
# Copyright 2008-2021 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.
#
# Manages the DLM controld process
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS:="${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs"}
. "${OCF_FUNCTIONS}"
: ${__OCF_ACTION:="$1"}
# Explicitly list all environment variables used, to make static analysis happy
: ${OCF_RESKEY_CRM_meta_globally_unique:="false"}
: ${OCF_RESKEY_allow_stonith_disabled:="false"}
: ${OCF_RESKEY_sctp:="false"}
: ${OCF_RESOURCE_INSTANCE:=""}
case "$OCF_RESOURCE_INSTANCE" in
*[gG][fF][sS]*)
: ${OCF_RESKEY_args=-g 0}
: ${OCF_RESKEY_daemon:=gfs_controld}
;;
*[dD][lL][mM]*)
: ${OCF_RESKEY_args=-s 0}
: ${OCF_RESKEY_daemon:=dlm_controld}
;;
*)
: ${OCF_RESKEY_args=-s 0}
: ${OCF_RESKEY_daemon:=dlm_controld}
esac
#######################################################################
if [ -e "$OCF_ROOT/resource.d/heartbeat/controld" ]; then
ocf_log info "Using heartbeat controld agent"
"$OCF_ROOT/resource.d/heartbeat/controld" "$1"
exit $?
fi
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="controld" version="1.1">
<version>1.0</version>
<longdesc lang="en">
This Resource Agent can control the dlm_controld services needed by cluster-aware file systems.
It assumes that dlm_controld is in your default PATH.
In most cases, it should be run as an anonymous clone.
</longdesc>
<shortdesc lang="en">DLM Agent for cluster file systems</shortdesc>
<parameters>
<parameter name="args" unique="1">
<longdesc lang="en">
Any additional options to start the dlm_controld service with
</longdesc>
<shortdesc lang="en">DLM Options</shortdesc>
<content type="string" default="-s 0" />
</parameter>
<parameter name="daemon" unique="1">
<longdesc lang="en">
The daemon to start - supports gfs_controld and dlm_controld
</longdesc>
<shortdesc lang="en">The daemon to start</shortdesc>
<content type="string" default="dlm_controld" />
</parameter>
<parameter name="allow_stonith_disabled">
<longdesc lang="en">
Allow DLM start-up even if STONITH/fencing is disabled in the cluster.
Setting this option to true will cause cluster malfunction and hangs on
fail-over for DLM clients that require fencing (such as GFS2, OCFS2, and
cLVM2).
This option is advanced use only.
</longdesc>
<shortdesc lang="en">Allow start-up even without STONITH/fencing</shortdesc>
<content type="string" default="false" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="90s" />
<action name="stop" timeout="100s" />
<action name="monitor" timeout="20s" interval="10s" depth="0" start-delay="0s" />
<action name="meta-data" timeout="5s" />
<action name="validate-all" timeout="30s" />
</actions>
</resource-agent>
END
}
#######################################################################
CONFIGFS_DIR="/sys/kernel/config"
DLM_CONFIGFS_DIR="${CONFIGFS_DIR}/dlm"
DLM_SYSFS_DIR="/sys/kernel/dlm"
controld_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
check_uncontrolled_locks()
{
CUL_TMP=$(ls "$DLM_SYSFS_DIR" 2>&1)
if [ $? -eq 0 ]; then
if [ -n "$CUL_TMP" ]; then
ocf_log err "Uncontrolled lockspace exists, system must reboot. Executing suicide fencing"
stonith_admin --reboot="$(crm_node -n)" --tag controld
exit $OCF_ERR_GENERIC
fi
fi
}
controld_start() {
controld_monitor; rc=$?
case $rc in
"$OCF_SUCCESS") return $OCF_SUCCESS;;
"$OCF_NOT_RUNNING") ;;
*) return $OCF_ERR_GENERIC;;
esac
# Ensure configfs is mounted
if [ ! -e "$CONFIGFS_DIR" ]; then
modprobe configfs
if [ ! -e "$CONFIGFS_DIR" ]; then
ocf_log err "$CONFIGFS_DIR not available"
return $OCF_ERR_INSTALLED
fi
fi
mount -t configfs | grep " $CONFIGFS_DIR " >/dev/null 2>/dev/null
if [ $? -ne 0 ]; then
mount -t configfs none "$CONFIGFS_DIR"
fi
# Ensure DLM is available
if [ ! -e "$DLM_CONFIGFS_DIR" ]; then
modprobe dlm
if [ ! -e "$DLM_CONFIGFS_DIR" ]; then
ocf_log err "$DLM_CONFIGFS_DIR not available"
return $OCF_ERR_INSTALLED
fi
fi
if ! ocf_is_true "$OCF_RESKEY_allow_stonith_disabled" && \
! ocf_is_true "$(crm_attribute --type=crm_config --name=stonith-enabled --query --quiet --default=true)"; then
ocf_log err "The cluster property stonith-enabled may not be deactivated to use the DLM"
return $OCF_ERR_CONFIGURED
fi
+ # If no-quorum-policy not set, or not set as freeze, give a warning
+ crm_attribute --type=crm_config --name=no-quorum-policy --query|grep value=freeze >/dev/null 2>/dev/null
+ if [ $? -ne 0 ]; then
+ ocf_log warn "The DLM cluster best practice suggests to set the cluster property \"no-quorum-policy=freeze\""
+ fi
+
"${OCF_RESKEY_daemon}" $OCF_RESKEY_args
while true
do
sleep 1
controld_monitor; rc=$?
case $rc in
"$OCF_SUCCESS")
CS_ADDR_LIST="$(cat "${DLM_CONFIGFS_DIR}"/cluster/comms/*/addr_list 2>/dev/null)"
if [ $? -eq 0 ] && [ -n "$CS_ADDR_LIST" ]; then
return $OCF_SUCCESS
fi
;;
"$OCF_NOT_RUNNING")
return $OCF_NOT_RUNNING
;;
*)
return $OCF_ERR_GENERIC
;;
esac
ocf_log debug "Waiting for ${OCF_RESKEY_daemon} to be ready"
done
}
controld_stop() {
controld_monitor; rc=$?
if [ $rc -eq $OCF_NOT_RUNNING ]; then
return $OCF_SUCCESS
fi
killall -TERM "${OCF_RESKEY_daemon}"; rc=$?
if [ $rc -ne 0 ]; then
return $OCF_ERR_GENERIC
fi
rc=$OCF_SUCCESS
while [ $rc -eq $OCF_SUCCESS ]; do
controld_monitor; rc=$?
sleep 1
done
if [ $rc -eq $OCF_NOT_RUNNING ]; then
rc=$OCF_SUCCESS
fi
return $rc
}
controld_monitor() {
killall -0 ${OCF_RESKEY_daemon} >/dev/null 2>&1 ; CM_RC=$?
case $CM_RC in
0) smw=$(dlm_tool status -v | grep "stateful_merge_wait=" | cut -d= -f2)
if [ -n "$smw" ] && [ $smw -eq 1 ]; then
ocf_log err "DLM status is: stateful_merge_wait"
CM_RC=$OCF_ERR_GENERIC
elif [ -z "$smw" ] && dlm_tool ls | grep -q "wait fencing" && \
! stonith_admin -H '*' --output-as xml | grep -q "extended-status=\"pending\""; then
ocf_log err "DLM status is: wait fencing"
CM_RC=$OCF_ERR_GENERIC
else
CM_RC=$OCF_SUCCESS
fi
;;
1) CM_RC=$OCF_NOT_RUNNING;;
*) CM_RC=$OCF_ERR_GENERIC;;
esac
# if the dlm is not successfully running, but
# dlm lockspace bits are left over, we self must fence.
if [ $CM_RC -ne $OCF_SUCCESS ]; then
check_uncontrolled_locks
fi
return $CM_RC
}
controld_validate() {
check_binary killall
check_binary "${OCF_RESKEY_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
[ -d /var/run/cluster ] || mkdir /var/run/cluster
return $OCF_SUCCESS
}
case "$__OCF_ACTION" in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) controld_validate; controld_start;;
stop) controld_stop;;
monitor) controld_validate; controld_monitor;;
validate-all) controld_validate;;
usage|help) controld_usage
exit $OCF_SUCCESS
;;
*) controld_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
rc=$?
exit $rc
# vim: set filetype=sh expandtab tabstop=4 softtabstop=4 shiftwidth=4 textwidth=80:

File Metadata

Mime Type
text/x-diff
Expires
Sat, Nov 23, 3:52 AM (1 h, 33 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1018167
Default Alt Text
(8 KB)

Event Timeline