From 62d9efd07ee4e0eceb9ed97ba9a8fa21d66662c3 Mon Sep 17 00:00:00 2001 From: emilienm Date: Thu, 4 Apr 2013 17:08:08 +0200 Subject: [PATCH] Delete AMQP on Quantum Metadata Agent RA --- ocf/quantum-metadata-agent | 329 +++++++++++++++++++++++++++++++++++++ 1 file changed, 329 insertions(+) create mode 100644 ocf/quantum-metadata-agent diff --git a/ocf/quantum-metadata-agent b/ocf/quantum-metadata-agent new file mode 100644 index 0000000..7d0d477 --- /dev/null +++ b/ocf/quantum-metadata-agent @@ -0,0 +1,329 @@ +#!/bin/sh +# +# +# OpenStack Quantum Metadata Agent (quantum-metadata-agent) +# +# Description: Manages an OpenStack Volumes (quantum-metadata-agent) process as an HA resource +# +# Authors: Sébastien Han +# Mainly inspired by the Glance API resource agent written by Martin Gerhard Loschwitz from Hastexo: http://goo.gl/whLpr +# +# Support: openstack@lists.launchpad.net +# License: Apache Software License (ASL) 2.0 +# +# +# See usage() function below for more details ... +# +# OCF instance parameters: +# OCF_RESKEY_binary +# OCF_RESKEY_config +# OCF_RESKEY_agent_config +# OCF_RESKEY_user +# OCF_RESKEY_pid +# OCF_RESKEY_additional_parameters +####################################################################### +# Initialization: + +: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +####################################################################### + +# Fill in some defaults if no values are specified + +OCF_RESKEY_binary_default="quantum-metadata-agent" +OCF_RESKEY_config_default="/etc/quantum/quantum.conf" +OCF_RESKEY_agent_config_default="/etc/quantum/metadata_agent.ini" +OCF_RESKEY_user_default="quantum" +OCF_RESKEY_pid_default="$HA_RSCTMP/$OCF_RESOURCE_INSTANCE.pid" + +: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}} +: ${OCF_RESKEY_config=${OCF_RESKEY_config_default}} +: ${OCF_RESKEY_agent_config=${OCF_RESKEY_agent_config_default}} +: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}} +: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}} + +####################################################################### + +usage() { + cat < + + +1.0 + + +Resource agent for the OpenStack Quantum Metadata Agent (quantum-metadata-agent) +May manage a quantum-metadata-agent instance or a clone set that +creates a distributed quantum-metadata-agent cluster. + +Manages the OpenStack Quantum Metadata Agent (quantum-metadata-agent) + + + + +Location of the OpenStack Quantum Metadata Agent server binary (quantum-metadata-agent) + +OpenStack Quantum Metadata Agent server binary (quantum-metadata-agent) + + + + + +Location of the OpenStack Quantum Metadata Agent (quantum-metadata-agent) configuration file + +OpenStack Quantum Metadata Agent (quantum-metadata-agent) config file + + + + + +User running OpenStack Quantum Metadata Agent (quantum-metadata-agent) + +OpenStack Quantum Metadata Agent (quantum-metadata-agent) user + + + + + +Location of the OpenStack Metadata agent configuration file + +OpenStack OVS (quantum-ovs) config file + + + + + +The pid file to use for this OpenStack Quantum Metadata Agent (quantum-metadata-agent) instance + +OpenStack Quantum Metadata Agent (quantum-metadata-agent) pid file + + + + + +The listening port number of the AMQP server. Mandatory to perform a monitor check + +AMQP listening port + + + + + + +Additional parameters to pass on to the OpenStack Quantum Metadata Agent (quantum-metadata-agent) + +Additional parameters for quantum-metadata-agent + + + + + + + + + + + + + + +END +} + +####################################################################### +# Functions invoked by resource manager actions + +quantum_metadata_agent_validate() { + local rc + + check_binary $OCF_RESKEY_binary + check_binary netstat + + # A config file on shared storage that is not available + # during probes is OK. + if [ ! -f $OCF_RESKEY_config ]; then + if ! ocf_is_probe; then + ocf_log err "Config $OCF_RESKEY_config doesn't exist" + return $OCF_ERR_INSTALLED + fi + ocf_log_warn "Config $OCF_RESKEY_config not available during a probe" + fi + + getent passwd $OCF_RESKEY_user >/dev/null 2>&1 + rc=$? + if [ $rc -ne 0 ]; then + ocf_log err "User $OCF_RESKEY_user doesn't exist" + return $OCF_ERR_INSTALLED + fi + + true +} + +quantum_metadata_agent_status() { + local pid + local rc + + if [ ! -f $OCF_RESKEY_pid ]; then + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) is not running" + return $OCF_NOT_RUNNING + else + pid=`cat $OCF_RESKEY_pid` + fi + + ocf_run -warn kill -s 0 $pid + rc=$? + if [ $rc -eq 0 ]; then + return $OCF_SUCCESS + else + ocf_log info "Old PID file found, but OpenStack Quantum Metadata Agent (quantum-metadata-agent) is not running" + return $OCF_NOT_RUNNING + fi +} + +quantum_metadata_agent_monitor() { + local pid + local rc + + if [ ! -f $OCF_RESKEY_pid ]; then + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) is not running" + return $OCF_NOT_RUNNING + else + pid=`cat $OCF_RESKEY_pid` + fi + + ocf_run -warn kill -s 0 $pid + rc=$? + if [ $rc -eq 0 ]; then + return $OCF_SUCCESS + else + ocf_log info "Old PID file found, but OpenStack Quantum Metadata Agent (quantum-metadata-agent) is not running" + return $OCF_NOT_RUNNING + fi +} + +quantum_metadata_agent_start() { + local rc + + quantum_metadata_agent_status + rc=$? + if [ $rc -eq $OCF_SUCCESS ]; then + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) already running" + return $OCF_SUCCESS + fi + + # run the actual quantum-server daemon with correct configurations files (server + plugin) + # Don't use ocf_run as we're sending the tool's output + # straight to /dev/null anyway and using ocf_run would break stdout-redirection here. + su ${OCF_RESKEY_user} -s /bin/sh -c "${OCF_RESKEY_binary} --config-file=$OCF_RESKEY_config \ + --config-file=$OCF_RESKEY_agent_config --log-file=/var/log/quantum/metadata.log $OCF_RESKEY_additional_parameters"' >> \ + /dev/null 2>&1 & echo $!' > $OCF_RESKEY_pid + + # Spin waiting for the server to come up. + # Let the CRM/LRM time us out if required + while true; do + quantum_metadata_agent_monitor + rc=$? + [ $rc -eq $OCF_SUCCESS ] && break + if [ $rc -ne $OCF_NOT_RUNNING ]; then + ocf_log err "OpenStack Quantum Metadata Agent (quantum-metadata-agent) start failed" + exit $OCF_ERR_GENERIC + fi + sleep 1 + done + + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) started" + return $OCF_SUCCESS +} + +quantum_metadata_agent_stop() { + local rc + local pid + + quantum_metadata_agent_status + rc=$? + if [ $rc -eq $OCF_NOT_RUNNING ]; then + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) already stopped" + return $OCF_SUCCESS + fi + + # Try SIGTERM + pid=`cat $OCF_RESKEY_pid` + ocf_run kill -s TERM $pid + rc=$? + if [ $rc -ne 0 ]; then + ocf_log err "OpenStack Quantum Metadata Agent (quantum-metadata-agent) couldn't be stopped" + exit $OCF_ERR_GENERIC + fi + + # stop waiting + shutdown_timeout=15 + if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then + shutdown_timeout=$((($OCF_RESKEY_CRM_meta_timeout/1000)-5)) + fi + count=0 + while [ $count -lt $shutdown_timeout ]; do + quantum_metadata_agent_status + rc=$? + if [ $rc -eq $OCF_NOT_RUNNING ]; then + break + fi + count=`expr $count + 1` + sleep 1 + ocf_log debug "OpenStack Quantum Metadata Agent (quantum-metadata-agent) still hasn't stopped yet. Waiting ..." + done + + quantum_metadata_agent_status + rc=$? + if [ $rc -ne $OCF_NOT_RUNNING ]; then + # SIGTERM didn't help either, try SIGKILL + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) failed to stop after ${shutdown_timeout}s \ + using SIGTERM. Trying SIGKILL ..." + ocf_run kill -s KILL $pid + fi + + ocf_log info "OpenStack Quantum Metadata Agent (quantum-metadata-agent) stopped" + + rm -f $OCF_RESKEY_pid + + return $OCF_SUCCESS +} + +####################################################################### + +case "$1" in + meta-data) meta_data + exit $OCF_SUCCESS;; + usage|help) usage + exit $OCF_SUCCESS;; +esac + +# Anything except meta-data and help must pass validation +quantum_metadata_agent_validate || exit $? + +# What kind of method was invoked? +case "$1" in + start) quantum_metadata_agent_start;; + stop) quantum_metadata_agent_stop;; + status) quantum_metadata_agent_status;; + monitor) quantum_metadata_agent_monitor;; + validate-all) ;; + *) usage + exit $OCF_ERR_UNIMPLEMENTED;; +esac