diff options
Diffstat (limited to 'heartbeat/zabbixserver')
| -rwxr-xr-x | heartbeat/zabbixserver | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/heartbeat/zabbixserver b/heartbeat/zabbixserver new file mode 100755 index 0000000..cb9e023 --- /dev/null +++ b/heartbeat/zabbixserver @@ -0,0 +1,315 @@ +#!/bin/sh +# +# +# zabbixserver OCF RA for zabbix_server daemon +# +# Copyright (c) 2012 Krzysztof Gajdemski <songo@debian.org.pl> +# All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of version 2 of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# Further, this software is distributed without any warranty that it is +# free of the rightful claim of any third person regarding infringement +# or the like. Any license provided herein, whether implied or +# otherwise, applies only to this software file. Patent licenses, if +# any, provided herein do not apply to combinations of this program with +# other software, or any other product whatsoever. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# + +####################################################################### +# Initialization: + +: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +####################################################################### + +# +# Defaults +# +OCF_RESKEY_binary_default="zabbix_server" +OCF_RESKEY_pid_default="/var/run/zabbix-server/zabbix_server.pid" +OCF_RESKEY_config_default="" + +: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}} +: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}} +: ${OCF_RESKEY_config=${OCF_RESKEY_config_default}} + +# sleep interval when waiting for threads cleanup +sleepint=1 + +# +# Functions +# +zabbixserver_meta_data() { + cat <<END +<?xml version="1.0"?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> +<resource-agent name="zabbixserver" version="0.0.1"> +<version>1.0</version> + +<longdesc lang="en"> +This is a Zabbix server Resource Agent for zabbix_server monitoring +daemon. See: http://www.zabbix.com/ +</longdesc> +<shortdesc lang="en">Zabbix server resource agent</shortdesc> + +<parameters> + +<parameter name="binary" unique="0" required="0"> +<longdesc lang="en"> +Location of the zabbix_server binary. +</longdesc> +<shortdesc lang="en">Zabbix server binary</shortdesc> +<content type="string" default="${OCF_RESKEY_binary_default}" /> +</parameter> + +<parameter name="pid" unique="1" required="0"> +<longdesc lang="en"> +Path to zabbix_server pidfile. As it's created by daemon itself +it must be the same as specified in the Zabbix configuration file +with parameter 'PidFile='. +</longdesc> +<shortdesc lang="en">Path to pidfile</shortdesc> +<content type="string" default="${OCF_RESKEY_pid_default}" /> +</parameter> + +<parameter name="config" unique="1" required="0"> +<longdesc lang="en"> +Path to zabbix_server configuration file. Assumed server default +if not specified. +</longdesc> +<shortdesc lang="en">Path to configuration file</shortdesc> +<content type="string" default="${OCF_RESKEY_config_default}" /> +</parameter> + +</parameters> + +<actions> +<action name="start" timeout="20s" /> +<action name="stop" timeout="20s" /> +<action name="monitor" timeout="20s" interval="10s" depth="0"/> +<action name="validate-all" timeout="20s" /> +<action name="meta-data" timeout="5s" /> +</actions> +</resource-agent> +END +} + +####################################################################### + + +zabbixserver_usage() { + cat <<END +usage: $0 {start|stop|monitor|validate-all|meta-data} + +Expects to have a fully populated OCF RA-compliant environment set. +END +} + +# +# Get an actual PID from a given pidfile. If it can't +# be found then return 1 +# +getpid() { + # pidfile doesn't exists + [ -f $1 ] || return 1 + sed -n '1 { /[0-9]/p }' $1 + + return 0 +} + +# +# Check for the server configuration file +# +check_config() { + # check only when it is specified by user + if [ ! -z "$1" ] && [ ! -f "$1" ]; then + if ocf_is_probe; then + ocf_log info "Can't read configuration file $1 during probe" + else + ocf_exit_reason "Can't read configuration file $1" + return 1 + fi + fi + + return 0 +} + +# +# Start Zabbix daemon +# +startserver() { + local command + local params + + command=$OCF_RESKEY_binary + + # use additional parameters if specified + if [ "$OCF_RESKEY_config" ]; then + params="--config $OCF_RESKEY_config" + command="$command $params" + fi + + ocf_log debug "Starting server using command: $command" + + ocf_run $command +} + +# +# Check the process status (PID is given as an argument) +# +process_status() { + local pid + + pid=$1 + + # check if parent process is running + ocf_run -q kill -s 0 $pid 2> /dev/null 1>&2 +} + +# +# start the agent +# +zabbixserver_start() { + local rc + + # check the resource status + zabbixserver_monitor + rc=$? + case "$rc" in + $OCF_SUCCESS) + ocf_log info "Resource is already running" + return $OCF_SUCCESS + ;; + $OCF_NOT_RUNNING) + ;; + *) + exit $OCF_ERR_GENERIC + ;; + esac + + # remove stale pidfile if it exists + if [ -f $OCF_RESKEY_pid ]; then + ocf_log info "Removing stale pidfile" + rm $OCF_RESKEY_pid + fi + + startserver + if [ $? -ne 0 ]; then + ocf_exit_reason "Can't start Zabbix server" + return $OCF_ERR_GENERIC + fi + + # wait if it starts really + while ! zabbixserver_monitor; do + ocf_log debug "Resource has not started yet, waiting" + sleep $sleepint + done + + return $OCF_SUCCESS +} + +# +# stop the agent +# +zabbixserver_stop() { + local pid + local rc + + # check the resource status + zabbixserver_monitor + rc=$? + case "$rc" in + $OCF_SUCCESS) + ;; + $OCF_NOT_RUNNING) + ocf_log info "Resource is already stopped" + return $OCF_SUCCESS + ;; + *) + exit $OCF_ERR_GENERIC + ;; + esac + + pid=`getpid $OCF_RESKEY_pid` + if [ $? -ne 0 ]; then + ocf_exit_reason "Can't find process PID" + return $OCF_ERR_GENERIC + fi + + # kill the process + ocf_run -q kill $pid + if [ $? -ne 0 ]; then + ocf_exit_reason "Can't stop process (PID $pid)" + return $OCF_ERR_GENERIC + fi + + # Wait until the parent process terminates. + # NOTE: The parent may be still waiting for its children. A regular monitor + # function will not detect this condition because the pidfile may be + # removed just now. + while process_status $pid; do + ocf_log debug "Waiting for process to terminate..." + sleep $sleepint + done + + # wait if it stops really + while zabbixserver_monitor; do + ocf_log debug "Resource has not stopped yet, waiting" + sleep $sleepint + done + + # remove stale pidfile if it exists + if [ -f $OCF_RESKEY_pid ]; then + ocf_log debug "Pidfile still exists, removing" + rm $OCF_RESKEY_pid + fi + + return $OCF_SUCCESS +} + +# +# resource monitor +# +zabbixserver_monitor() { + local pid + + pid=`getpid $OCF_RESKEY_pid` + if [ $? -eq 0 ]; then + process_status $pid + if [ $? -eq 0 ]; then + ocf_log debug "Resource is running" + return $OCF_SUCCESS + fi + fi + + ocf_log info "Resource is not running" + return $OCF_NOT_RUNNING +} + +# +# validate configuration +# +zabbixserver_validate_all() { + check_config $OCF_RESKEY_config || return $OCF_ERR_INSTALLED + ocf_mkstatedir root 755 `dirname $OCF_RESKEY_pid` || return $OCF_ERR_INSTALLED + return $OCF_SUCCESS +} + +# +# main +# +OCF_REQUIRED_PARAMS="" +OCF_REQUIRED_BINARIES="$OCF_RESKEY_binary" +ocf_rarun $* |