From 8b07d095acbbb1069c1fb44142ccfdd0aeed075f Mon Sep 17 00:00:00 2001
From: Oyvind Albrigtsen <oalbrigt@redhat.com>
Date: Wed, 16 May 2018 14:10:49 +0200
Subject: [PATCH] vdo-vol: new resource agent
---
doc/man/Makefile.am | 3 +-
heartbeat/Makefile.am | 1 +
heartbeat/vdo-vol | 234 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 237 insertions(+), 1 deletion(-)
create mode 100755 heartbeat/vdo-vol
diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am
index c59126d1..8d94c10c 100644
--- a/doc/man/Makefile.am
+++ b/doc/man/Makefile.am
@@ -158,11 +158,12 @@ man_MANS = ocf_heartbeat_AoEtarget.7 \
ocf_heartbeat_slapd.7 \
ocf_heartbeat_sybaseASE.7 \
ocf_heartbeat_sg_persist.7 \
- ocf_heartbeat_mpathpersist.7 \
+ ocf_heartbeat_mpathpersist.7 \
ocf_heartbeat_symlink.7 \
ocf_heartbeat_syslog-ng.7 \
ocf_heartbeat_tomcat.7 \
ocf_heartbeat_varnish.7 \
+ ocf_heartbeat_vdo-vol.7 \
ocf_heartbeat_vmware.7 \
ocf_heartbeat_zabbixserver.7
diff --git a/heartbeat/Makefile.am b/heartbeat/Makefile.am
index 4f5059e2..a68fa978 100644
--- a/heartbeat/Makefile.am
+++ b/heartbeat/Makefile.am
@@ -162,6 +162,7 @@ ocf_SCRIPTS = AoEtarget \
syslog-ng \
tomcat \
varnish \
+ vdo-vol \
vmware \
vsftpd \
zabbixserver
diff --git a/heartbeat/vdo-vol b/heartbeat/vdo-vol
new file mode 100755
index 00000000..074339db
--- /dev/null
+++ b/heartbeat/vdo-vol
@@ -0,0 +1,234 @@
+#!/bin/sh
+#
+# License: GNU General Public License (GPL)
+# (c) 2018 O. Albrigtsen
+# and Linux-HA contributors
+#
+# -----------------------------------------------------------------------------
+# O C F R E S O U R C E S C R I P T S P E C I F I C A T I O N
+# -----------------------------------------------------------------------------
+#
+# NAME
+# vdo-vol : OCF resource agent script for VDO (Virtual Data Optimizer)
+#
+
+# Initialization:
+: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
+. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
+
+# Defaults
+OCF_RESKEY_volume_default=""
+
+: ${OCF_RESKEY_volume=${OCF_RESKEY_volume_default}}
+
+
+vdo_usage() {
+ cat <<END
+ usage: $0 (start|stop|validate-all|meta-data|help|usage|monitor)
+ $0 manages VDO (Virtual Data Optimizer) volume(s) as an OCF HA resource.
+ The 'start' operation starts the instance.
+ The 'stop' operation stops the instance.
+ The 'status' operation reports whether the instance is running
+ The 'monitor' operation reports whether the instance seems to be working
+ The 'validate-all' operation reports whether the parameters are valid
+END
+}
+
+vdo_meta_data() {
+ cat <<END
+<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
+<resource-agent name="vdo-vol">
+<version>0.75</version>
+
+<longdesc lang="en">
+OCF Resource script for VDO (Virtual Data Optimizer) volume(s). It manages VDO volume(s) as a HA resource.
+
+The configuration file needs to be synced to all nodes, and the systemd vdo service must be disabled when
+using this agent.
+</longdesc>
+<shortdesc lang="en">VDO resource agent</shortdesc>
+
+<parameters>
+
+<parameter name="config">
+ <longdesc lang="en">Configuration file</longdesc>
+ <shortdesc lang="en">Config file</shortdesc>
+ <content type="string" default="${OCF_RESKEY_config_default}" />
+</parameter>
+
+<parameter name="volume">
+ <longdesc lang="en">VDO Volume (leave empty for all)</longdesc>
+ <shortdesc lang="en">Volume (empty for all)</shortdesc>
+ <content type="string" default="${OCF_RESKEY_volume_default}" />
+</parameter>
+
+</parameters>
+
+<actions>
+<action name="start" timeout="60s" />
+<action name="stop" timeout="20s" />
+<action name="status" timeout="20s" />
+<action name="monitor" depth="0" timeout="20s" interval="10s" start-delay="10s" />
+<action name="validate-all" timeout="20s" />
+<action name="meta-data" timeout="20s" />
+</actions>
+</resource-agent>
+END
+}
+
+
+rebuild() {
+ ocf_log warn "${OCF_RESKEY_volume} is in $MODE mode, starting in rebuild mode"
+
+ vdo stop $OPTIONS
+
+ while vdo_monitor skiprocheck; do
+ sleep 1
+ done
+
+ vdo start $OPTIONS --forceRebuild
+
+ while ! vdo_monitor; do
+ sleep 1
+ done
+
+ return $?
+}
+
+vdo_start() {
+ # if resource is already running,no need to continue code after this.
+ if vdo_monitor; then
+ ocf_log info "VDO volume(s): ${OCF_RESKEY_volume} is already active"
+ return $OCF_SUCCESS
+ fi
+
+ vdo activate $OPTIONS
+ vdo start $OPTIONS
+
+ while ! vdo_monitor skiprocheck; do
+ sleep 1
+ done
+
+ MODE=$(vdostats --verbose ${OCF_RESKEY_volume} | grep "operating mode" | awk '{print $NF}')
+ if [ $(echo "$MODE" | grep -v "normal" | wc -l) -gt 0 ]; then
+ rebuild
+ fi
+
+ if [ $? -eq $OCF_SUCCESS ]; then
+ ocf_log info "VDO volume(s): ${OCF_RESKEY_volume} activated"
+ return ${OCF_SUCCESS}
+ fi
+
+ return $?
+}
+
+vdo_stop() {
+ vdo_monitor skiprocheck
+ if [ $? -ne $OCF_SUCCESS ]; then
+ # Currently not running. Nothing to do.
+ ocf_log info "VDO volume(s): ${OCF_RESKEY_volume} already deactivated"
+
+ return $OCF_SUCCESS
+ fi
+
+ vdo stop $OPTIONS
+ vdo deactivate $OPTIONS
+
+ # Wait for process to stop
+ while vdo_monitor skiprocheck; do
+ sleep 1
+ done
+
+ return $OCF_SUCCESS
+}
+
+vdo_monitor(){
+ status=$(vdo status $OPTIONS 2>&1)
+ MODE=$(vdostats vdo_vol --verbose | grep "operating mode" | awk '{print $NF}')
+
+ case "$status" in
+ *"Device mapper status: not available"*)
+ return $OCF_NOT_RUNNING
+ ;;
+ *"Device mapper status: "*online*)
+ if [ "$MODE" = "read-only" ] && [ "$1" != "skiprocheck" ]; then
+ ocf_log err "VDO volume(s): ${OCF_RESKEY_volume} is in $MODE mode."
+ return $OCF_ERR_GENERIC
+ else
+ return $OCF_SUCCESS
+ fi
+ ;;
+ *)
+ ocf_log err "VDO volume(s): ${OCF_RESKEY_volume} failed\n$status"
+ return $OCF_ERR_GENERIC;;
+ esac
+}
+
+vdo_validate_all(){
+ check_binary "vdo"
+
+ if systemctl is-enabled vdo > /dev/null 2>&1; then
+ ocf_exit_reason "systemd service vdo needs to be disabled"
+ exit $OCF_ERR_CONFIGURED
+ fi
+
+ if [ -n "${OCF_RESKEY_config}" ] && [ ! -f "${OCF_RESKEY_config}" ]; then
+ ocf_exit_reason "Configuration file: ${OCF_RESKEY_config} not found"
+ exit $OCF_ERR_CONFIGURED
+ fi
+
+ return $OCF_SUCCESS
+}
+
+
+# **************************** MAIN SCRIPT ************************************
+
+# Make sure meta-data and usage always succeed
+case $__OCF_ACTION in
+ meta-data)
+ vdo_meta_data
+ exit $OCF_SUCCESS
+ ;;
+ usage|help)
+ vdo_usage
+ exit $OCF_SUCCESS
+ ;;
+esac
+
+# This OCF agent script need to be run as root user.
+if ! ocf_is_root; then
+ echo "$0 agent script need to be run as root user."
+ ocf_log debug "$0 agent script need to be run as root user."
+ exit $OCF_ERR_GENERIC
+fi
+
+if [ -z "${OCF_RESKEY_volume}" ]; then
+ OPTIONS="-a"
+else
+ OPTIONS="-n ${OCF_RESKEY_volume}"
+fi
+
+if [ -n "${OCF_RESKEY_config}" ]; then
+ OPTIONS="$OPTIONS -f ${OCF_RESKEY_config}"
+fi
+
+# Translate each action into the appropriate function call
+case $__OCF_ACTION in
+ start)
+ vdo_validate_all
+ vdo_start;;
+ stop)
+ vdo_stop;;
+ status|monitor)
+ vdo_monitor;;
+ validate-all)
+ ;;
+ *)
+ vdo_usage
+ exit $OCF_ERR_UNIMPLEMENTED;;
+esac
+
+exit $?
+
+# End of this script
--
2.17.1