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