318 lines
8.1 KiB
Bash
Executable File
318 lines
8.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2015-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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#
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# Support: www.windriver.com
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#
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# Purpose: This resource agent manages the VIM-Webserver
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#
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# RA Spec:
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#
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# http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD
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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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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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process="nfv-vim-webserver"
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binname="${process}"
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#######################################################################
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# Fill in some defaults if no values are specified
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OCF_RESKEY_binary_default=${binname}
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OCF_RESKEY_config_default="@SYSCONFDIR@/nfv/vim/config.ini"
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OCF_RESKEY_pid_default="/var/run/${binname}.pid"
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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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: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}}
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mydaemon="/usr/bin/${OCF_RESKEY_binary}"
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#######################################################################
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usage() {
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cat <<UEND
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usage: $0 (start|stop|status|reload|monitor|validate-all|meta-data)
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$0 manages the VIM-Webserver process as an HA resource
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The 'start' ..... operation starts the vim-webserver in the active state.
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The 'stop' ...... operation stops the vim-webserver.
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The 'reload' .... operation stops and then starts the vim-webserver.
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The 'status' .... operation checks the status of the vim-webserver.
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The 'monitor' .... operation indicates the in-service status of the vim-webserver.
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The 'validate-all' operation reports whether the parameters are valid.
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The 'meta-data' .. operation reports the vim-webserver's meta-data information.
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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="vim-webserver">
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<version>1.0</version>
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<longdesc lang="en">
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This 'vim-webserver' is an OCF Compliant Resource Agent.
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</longdesc>
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<shortdesc lang="en">
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Manages the VIM-Webserver process.
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</shortdesc>
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<parameters>
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<parameter name="config" unique="0" required="1">
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<longdesc lang="en">Configuration INI file</longdesc>
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<shortdesc lang="en">Configuration INI file</shortdesc>
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<content type="string" default="${OCF_RESKEY_config_default}"/>
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</parameter>
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</parameters>
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<actions>
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<action name="start" timeout="10s" />
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<action name="stop" timeout="10s" />
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<action name="monitor" timeout="10s" interval="30s" />
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<action name="meta-data" timeout="10s" />
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<action name="validate-all" timeout="10s" />
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</actions>
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</resource-agent>
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END
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return ${OCF_SUCCESS}
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}
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PROCESS_NOT_RUNNING_FILE="/var/run/.nfv-vim-webserver.not_running"
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vim_webserver_validate() {
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check_binary ${OCF_RESKEY_binary}
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check_binary pidof
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if [ ! -f ${OCF_RESKEY_config} ] ; then
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ocf_log err "${OCF_RESKEY_binary} ini file missing (${OCF_RESKEY_config})"
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return ${OCF_ERR_CONFIGURED}
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fi
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return ${OCF_SUCCESS}
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}
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vim_webserver_status() {
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local pid
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local rc
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if [ ! -f $OCF_RESKEY_pid ]; then
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ocf_log info "VIM-Webserver 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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ocf_run -warn kill -s 0 $pid
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rc=$?
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if [ $rc -ne 0 ]; then
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ocf_log info "Old PID file found, but VIM-Webserver 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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return $OCF_SUCCESS
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}
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vim_webserver_monitor () {
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local rc
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vim_webserver_status
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rc=$?
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if [ ${rc} -ne ${OCF_SUCCESS} ] ; then
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return ${rc}
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fi
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if [ -e "$PROCESS_NOT_RUNNING_FILE" ] ; then
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ocf_log info "Process not running file found"
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return $OCF_NOT_RUNNING
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fi
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return $OCF_SUCCESS
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}
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vim_webserver_start () {
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local rc
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if [ -e "$PROCESS_NOT_RUNNING_FILE" ] ; then
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rm $PROCESS_NOT_RUNNING_FILE >> /dev/null 2>&1
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fi
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if [ -f ${OCF_RESKEY_pid} ] ; then
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vim_webserver_status
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rc=$?
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if [ $rc -ne ${OCF_SUCCESS} ] ; then
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ocf_log err "Status test failed (rc=${rc})"
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vim_webserver_stop
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else
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return ${OCF_SUCCESS}
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fi
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fi
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su ${OCF_RESKEY_user} -s /bin/sh -c "${OCF_RESKEY_binary} -c ${OCF_RESKEY_config}"' >> /dev/null 2>&1 & echo $!' > $OCF_RESKEY_pid
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rc=$?
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if [ ${rc} -ne ${OCF_SUCCESS} ] ; then
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ocf_log err "Failed ${mydaemon} daemon (rc=$rc)"
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return ${OCF_ERR_GENERIC}
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else
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if [ -f ${OCF_RESKEY_pid} ] ; then
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pid=`cat ${OCF_RESKEY_pid}`
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ocf_log info "Running with pid ${pid}"
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else
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ocf_log info "No pid file"
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fi
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fi
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# Record success or failure and return status
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if [ ${rc} -eq $OCF_SUCCESS ] ; then
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ocf_log info "VIM-Webserver (${OCF_RESKEY_binary}) started (pid=${pid})"
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else
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ocf_log err "VIM-Webserver (${OCF_RESKEY_binary}) failed to start (rc=${rc})"
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rc=${OCF_NOT_RUNNING}
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fi
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return ${rc}
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}
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vim_webserver_confirm_stop() {
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local my_bin
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local my_processes
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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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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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if [ -e "$PROCESS_NOT_RUNNING_FILE" ] ; then
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rm $PROCESS_NOT_RUNNING_FILE >> /dev/null 2>&1
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fi
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}
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vim_webserver_stop () {
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local rc
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local pid
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vim_webserver_status
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rc=$?
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if [ $rc -eq $OCF_NOT_RUNNING ]; then
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ocf_log info "VIM-Webserver already stopped"
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vim_webserver_confirm_stop
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return ${OCF_SUCCESS}
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fi
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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 "VIM-Webserver couldn't be stopped"
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vim_webserver_confirm_stop
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exit $OCF_ERR_GENERIC
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fi
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# stop waiting
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shutdown_timeout=15
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if [ -n "$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 $shutdown_timeout ]; do
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vim_webserver_status
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rc=$?
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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 $count + 1`
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sleep 1
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ocf_log info "VIM-Webserver still hasn't stopped yet. Waiting ..."
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done
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vim_webserver_status
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rc=$?
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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 err "VIM-Webserver failed to stop after ${shutdown_timeout}s using SIGTERM. Trying SIGKILL ..."
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ocf_run kill -s KILL $pid
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fi
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vim_webserver_confirm_stop
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ocf_log info "VIM-Webserver stopped."
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rm -f $OCF_RESKEY_pid
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return $OCF_SUCCESS
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}
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vim_webserver_reload () {
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local rc
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vim_webserver_stop
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rc=$?
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if [ $rc -eq ${OCF_SUCCESS} ] ; then
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vim_webserver_start
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rc=$?
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if [ $rc -eq ${OCF_SUCCESS} ] ; then
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ocf_log info "VIM-Webserver (${OCF_RESKEY_binary}) process restarted"
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fi
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fi
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if [ ${rc} -ne ${OCF_SUCCESS} ] ; then
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ocf_log err "VIM-Webserver (${OCF_RESKEY_binary}) process failed to restart (rc=${rc})"
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fi
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return ${rc}
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}
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case ${__OCF_ACTION} in
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meta-data) meta_data
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exit ${OCF_SUCCESS}
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;;
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usage|help) usage
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exit ${OCF_SUCCESS}
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;;
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esac
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# Anything except meta-data and help must pass validation
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vim_webserver_validate || exit $?
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case ${__OCF_ACTION} in
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start) vim_webserver_start
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;;
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stop) vim_webserver_stop
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;;
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status) vim_webserver_status
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;;
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reload) vim_webserver_reload
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;;
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monitor) vim_webserver_monitor
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;;
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validate-all) vim_webserver_validate
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;;
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*) usage
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exit ${OCF_ERR_UNIMPLEMENTED}
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;;
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esac
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