375 lines
12 KiB
Diff
375 lines
12 KiB
Diff
Index: git/ocf/ceilometer-mem-db
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===================================================================
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--- /dev/null
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+++ git/ocf/ceilometer-mem-db
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@@ -0,0 +1,369 @@
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+#!/bin/sh
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+#
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+#
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+# OpenStack Ceilometer Mem DB Service (ceilometer-mem-db)
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+#
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+# Description: Manages an OpenStack Ceilometer Mem DB Service (ceilometer-mem-db) process as an HA resource
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+#
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+# Authors: Emilien Macchi
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+# Mainly inspired by the Nova Scheduler resource agent written by Sebastien Han
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+#
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+# Support: openstack@lists.launchpad.net
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+# License: Apache Software License (ASL) 2.0
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+#
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+# Copyright (c) 2014 Wind River Systems, Inc.
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+# SPDX-License-Identifier: Apache-2.0
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+#
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+#
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+#
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+#
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+#
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+# See usage() function below for more details ...
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+#
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+# OCF instance parameters:
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+# OCF_RESKEY_binary
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+# OCF_RESKEY_config
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+# OCF_RESKEY_user
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+# OCF_RESKEY_pid
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+# OCF_RESKEY_monitor_binary
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+# OCF_RESKEY_amqp_server_port
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+# OCF_RESKEY_additional_parameters
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+#######################################################################
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+# Initialization:
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+
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+: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
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+. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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+
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+#######################################################################
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+
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+# Fill in some defaults if no values are specified
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+
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+OCF_RESKEY_binary_default="ceilometer-mem-db"
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+OCF_RESKEY_config_default="/etc/ceilometer/ceilometer.conf"
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+OCF_RESKEY_user_default="root"
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+OCF_RESKEY_pid_default="$HA_RSCTMP/$OCF_RESOURCE_INSTANCE.pid"
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+OCF_RESKEY_amqp_server_port_default="5672"
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+
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+: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}}
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+: ${OCF_RESKEY_config=${OCF_RESKEY_config_default}}
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+: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}}
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+: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}}
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+: ${OCF_RESKEY_amqp_server_port=${OCF_RESKEY_amqp_server_port_default}}
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+
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+#######################################################################
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+
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+usage() {
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+ cat <<UEND
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+ usage: $0 (start|stop|validate-all|meta-data|status|monitor)
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+
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+ $0 manages an OpenStack Ceilometer Mem DB Service (ceilometer-mem-db) process as an HA resource
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+
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+ The 'start' operation starts the scheduler service.
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+ The 'stop' operation stops the scheduler service.
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+ The 'validate-all' operation reports whether the parameters are valid
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+ The 'meta-data' operation reports this RA's meta-data information
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+ The 'status' operation reports whether the scheduler service is running
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+ The 'monitor' operation reports whether the scheduler service seems to be working
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+
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+UEND
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+}
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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="ceilometer-mem-db">
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+<version>1.0</version>
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+
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+<longdesc lang="en">
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+Resource agent for the OpenStack Ceilometer Mem DB Service (ceilometer-mem-db)
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+May manage a ceilometer-mem-db instance or a clone set that
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+creates a distributed ceilometer-mem-db cluster.
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+</longdesc>
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+<shortdesc lang="en">Manages the OpenStack Ceilometer Mem DB Service (ceilometer-mem-db)</shortdesc>
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+<parameters>
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+
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+<parameter name="binary" unique="0" required="0">
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+<longdesc lang="en">
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+Location of the OpenStack Ceilometer Mem DB server binary (ceilometer-mem-db)
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+</longdesc>
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+<shortdesc lang="en">OpenStack Ceilometer Mem DB server binary (ceilometer-mem-db)</shortdesc>
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+<content type="string" default="${OCF_RESKEY_binary_default}" />
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+</parameter>
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+
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+<parameter name="config" unique="0" required="0">
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+<longdesc lang="en">
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+Location of the OpenStack Ceilometer Mem DB Service (ceilometer-mem-db) configuration file
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+</longdesc>
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+<shortdesc lang="en">OpenStack Ceilometer Mem DB (ceilometer-mem-db registry) config file</shortdesc>
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+<content type="string" default="${OCF_RESKEY_config_default}" />
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+</parameter>
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+
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+<parameter name="user" unique="0" required="0">
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+<longdesc lang="en">
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+User running OpenStack Ceilometer Mem DB Service (ceilometer-mem-db)
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+</longdesc>
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+<shortdesc lang="en">OpenStack Ceilometer Mem DB Service (ceilometer-mem-db) user</shortdesc>
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+<content type="string" default="${OCF_RESKEY_user_default}" />
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+</parameter>
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+
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+<parameter name="pid" unique="0" required="0">
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+<longdesc lang="en">
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+The pid file to use for this OpenStack Ceilometer Mem DB Service (ceilometer-mem-db) instance
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+</longdesc>
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+<shortdesc lang="en">OpenStack Ceilometer Mem DB Service (ceilometer-mem-db) pid file</shortdesc>
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+<content type="string" default="${OCF_RESKEY_pid_default}" />
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+</parameter>
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+
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+<parameter name="amqp_server_port" unique="0" required="0">
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+<longdesc lang="en">
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+The listening port number of the AMQP server. Use for monitoring purposes
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+</longdesc>
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+<shortdesc lang="en">AMQP listening port</shortdesc>
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+<content type="integer" default="${OCF_RESKEY_amqp_server_port_default}" />
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+</parameter>
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+
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+
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+<parameter name="additional_parameters" unique="0" required="0">
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+<longdesc lang="en">
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+Additional parameters to pass on to the OpenStack Ceilometer Mem DB Service (ceilometer-mem-db)
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+</longdesc>
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+<shortdesc lang="en">Additional parameters for ceilometer-mem-db</shortdesc>
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+<content type="string" />
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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="20" />
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+<action name="stop" timeout="20" />
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+<action name="status" timeout="20" />
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+<action name="monitor" timeout="30" interval="20" />
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+<action name="validate-all" timeout="5" />
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+<action name="meta-data" timeout="5" />
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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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+# Functions invoked by resource manager actions
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+
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+ceilometer_mem_db_check_port() {
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+# This function has been taken from the squid RA and improved a bit
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+# The length of the integer must be 4
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+# Examples of valid port: "1080", "0080"
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+# Examples of invalid port: "1080bad", "0", "0000", ""
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+
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+ local int
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+ local cnt
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+
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+ int="$1"
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+ cnt=${#int}
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+ echo $int |egrep -qx '[0-9]+(:[0-9]+)?(,[0-9]+(:[0-9]+)?)*'
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+
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+ if [ $? -ne 0 ] || [ $cnt -ne 4 ]; then
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+ ocf_log err "Invalid port number: $1"
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+ exit $OCF_ERR_CONFIGURED
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+ fi
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+}
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+
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+ceilometer_mem_db_validate() {
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+ local rc
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+
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+ check_binary $OCF_RESKEY_binary
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+ check_binary netstat
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+ ceilometer_mem_db_check_port $OCF_RESKEY_amqp_server_port
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+
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+ # A config file on shared storage that is not available
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+ # during probes is OK.
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+ if [ ! -f $OCF_RESKEY_config ]; then
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+ if ! ocf_is_probe; then
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+ ocf_log err "Config $OCF_RESKEY_config doesn't exist"
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+ return $OCF_ERR_INSTALLED
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+ fi
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+ ocf_log_warn "Config $OCF_RESKEY_config not available during a probe"
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+ fi
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+
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+ getent passwd $OCF_RESKEY_user >/dev/null 2>&1
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+ rc=$?
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+ if [ $rc -ne 0 ]; then
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+ ocf_log err "User $OCF_RESKEY_user doesn't exist"
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+ return $OCF_ERR_INSTALLED
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+ fi
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+
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+ true
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+}
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+
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+ceilometer_mem_db_status() {
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+ local pid
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+ local rc
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+
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+ if [ ! -f $OCF_RESKEY_pid ]; then
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+ ocf_log info "OpenStack Ceilometer Mem DB (ceilometer-mem-db) is not running"
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+ return $OCF_NOT_RUNNING
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+ else
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+ pid=`cat $OCF_RESKEY_pid`
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+ fi
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+
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+ ocf_run -warn kill -s 0 $pid
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+ rc=$?
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+ if [ $rc -eq 0 ]; then
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+ return $OCF_SUCCESS
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+ else
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+ ocf_log info "Old PID file found, but OpenStack Ceilometer Mem DB (ceilometer-mem-db) is not running"
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+ rm -f $OCF_RESKEY_pid
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+ return $OCF_NOT_RUNNING
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+ fi
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+}
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+
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+ceilometer_mem_db_monitor() {
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+ local rc
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+ local pid
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+ local scheduler_amqp_check
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+
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+ ceilometer_mem_db_status
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+ rc=$?
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+
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+ # If status returned anything but success, return that immediately
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+ if [ $rc -ne $OCF_SUCCESS ]; then
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+ return $rc
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+ fi
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+
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+ # Check the connections according to the PID.
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+ # We are sure to hit the scheduler process and not other Cinder process with the same connection behavior (for example cinder-api)
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+ pid=`cat $OCF_RESKEY_pid`
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+ scheduler_amqp_check=`netstat -punt | grep -s "$OCF_RESKEY_amqp_server_port" | grep -s "$pid" | grep -qs "ESTABLISHED"`
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+ rc=$?
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+ if [ $rc -ne 0 ]; then
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+ ocf_log err "Mem DB is not connected to the AMQP server : $rc"
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+ return $OCF_NOT_RUNNING
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+ fi
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+
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+ ocf_log debug "OpenStack Ceilometer Mem DB (ceilometer-mem-db) monitor succeeded"
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+ return $OCF_SUCCESS
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+}
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+
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+ceilometer_mem_db_start() {
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+ local rc
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+
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+ ceilometer_mem_db_status
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+ rc=$?
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+ if [ $rc -eq $OCF_SUCCESS ]; then
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+ ocf_log info "OpenStack Ceilometer Mem DB (ceilometer-mem-db) already running"
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+ return $OCF_SUCCESS
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+ fi
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+
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+ # run the actual ceilometer-mem-db daemon. Don't use ocf_run as we're sending the tool's output
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+ # straight to /dev/null anyway and using ocf_run would break stdout-redirection here.
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+ su ${OCF_RESKEY_user} -s /bin/sh -c "${OCF_RESKEY_binary} --config-file=$OCF_RESKEY_config \
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+ $OCF_RESKEY_additional_parameters"' >> /dev/null 2>&1 & echo $!' > $OCF_RESKEY_pid
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+
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+ # Spin waiting for the server to come up.
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+ while true; do
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+ ceilometer_mem_db_monitor
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+ rc=$?
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+ [ $rc -eq $OCF_SUCCESS ] && break
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+ if [ $rc -ne $OCF_NOT_RUNNING ]; then
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+ ocf_log err "OpenStack Ceilometer Mem DB (ceilometer-mem-db) start failed"
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+ exit $OCF_ERR_GENERIC
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+ fi
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+ sleep 1
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+ done
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+
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+ ocf_log info "OpenStack Ceilometer Mem DB (ceilometer-mem-db) started"
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+ return $OCF_SUCCESS
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+}
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+
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+ceilometer_mem_db_confirm_stop() {
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+ local my_bin
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+ local my_processes
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+
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+ my_binary=`which ${OCF_RESKEY_binary}`
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+ my_processes=`pgrep -l -f "^(python|/usr/bin/python|/usr/bin/python2) ${my_binary}([^\w-]|$)"`
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+
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+ if [ -n "${my_processes}" ]
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+ then
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+ ocf_log info "About to SIGKILL the following: ${my_processes}"
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+ pkill -KILL -f "^(python|/usr/bin/python|/usr/bin/python2) ${my_binary}([^\w-]|$)"
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+ fi
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+}
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+
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+ceilometer_mem_db_stop() {
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+ local rc
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+ local pid
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+
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+ ceilometer_mem_db_status
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+ rc=$?
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+ if [ $rc -eq $OCF_NOT_RUNNING ]; then
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+ ocf_log info "OpenStack Ceilometer Mem DB (ceilometer-mem-db) already stopped"
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+ ceilometer_mem_db_confirm_stop
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+ return $OCF_SUCCESS
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+ fi
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+
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+ # Try SIGTERM
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+ pid=`cat $OCF_RESKEY_pid`
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+ ocf_run kill -s TERM $pid
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+ rc=$?
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+ if [ $rc -ne 0 ]; then
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+ ocf_log err "OpenStack Ceilometer Mem DB (ceilometer-mem-db) couldn't be stopped"
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+ ceilometer_mem_db_confirm_stop
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+ exit $OCF_ERR_GENERIC
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+ fi
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+
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+ # stop waiting
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+ shutdown_timeout=15
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+ if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then
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+ shutdown_timeout=$((($OCF_RESKEY_CRM_meta_timeout/1000)-5))
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+ fi
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+ count=0
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+ while [ $count -lt $shutdown_timeout ]; do
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+ ceilometer_mem_db_status
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+ rc=$?
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+ if [ $rc -eq $OCF_NOT_RUNNING ]; then
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+ break
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+ fi
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+ count=`expr $count + 1`
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+ sleep 1
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+ ocf_log debug "OpenStack Ceilometer Mem DB (ceilometer-mem-db) still hasn't stopped yet. Waiting ..."
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+ done
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+
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+ ceilometer_mem_db_status
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+ rc=$?
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+ if [ $rc -ne $OCF_NOT_RUNNING ]; then
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+ # SIGTERM didn't help either, try SIGKILL
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+ ocf_log info "OpenStack Ceilometer Mem DB (ceilometer-mem-db) failed to stop after ${shutdown_timeout}s \
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+ using SIGTERM. Trying SIGKILL ..."
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+ ocf_run kill -s KILL $pid
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+ fi
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+ ceilometer_mem_db_confirm_stop
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+
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+ ocf_log info "OpenStack Ceilometer Mem DB (ceilometer-mem-db) stopped"
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+
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+ rm -f $OCF_RESKEY_pid
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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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+
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+case "$1" in
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+ meta-data) meta_data
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+ exit $OCF_SUCCESS;;
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+ usage|help) usage
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+ exit $OCF_SUCCESS;;
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+esac
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+
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+# Anything except meta-data and help must pass validation
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+ceilometer_mem_db_validate || exit $?
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+
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+# What kind of method was invoked?
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+case "$1" in
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+ start) ceilometer_mem_db_start;;
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+ stop) ceilometer_mem_db_stop;;
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+ status) ceilometer_mem_db_status;;
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+ monitor) ceilometer_mem_db_monitor;;
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+ validate-all) ;;
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+ *) usage
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+ exit $OCF_ERR_UNIMPLEMENTED;;
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+esac
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