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upstream/openstack/openstack-ras/openstack-ras/heat-cloudwatch.patch

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Index: git/ocf/heat-api-cloudwatch
===================================================================
--- /dev/null
+++ git/ocf/heat-api-cloudwatch
@@ -0,0 +1,344 @@
+#!/bin/sh
+#
+#
+# OpenStack Orchestration Engine Service (heat-api-cloudwatch)
+#
+# Description: Manages an OpenStack Orchestration Engine Service (heat-api-cloudwatch) process as an HA resource
+#
+# Authors: Emilien Macchi
+#
+# 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_user
+# OCF_RESKEY_pid
+# OCF_RESKEY_monitor_binary
+# OCF_RESKEY_server_port
+# OCF_RESKEY_additional_parameters
+#######################################################################
+# Initialization:
+
+: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
+. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
+
+#######################################################################
+
+# Fill in some defaults if no values are specified
+
+OCF_RESKEY_binary_default="heat-api-cloudwatch"
+OCF_RESKEY_config_default="/etc/heat/heat.conf"
+OCF_RESKEY_user_default="heat"
+OCF_RESKEY_pid_default="$HA_RSCTMP/$OCF_RESOURCE_INSTANCE.pid"
+OCF_RESKEY_server_port_default="8000"
+
+: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}}
+: ${OCF_RESKEY_config=${OCF_RESKEY_config_default}}
+: ${OCF_RESKEY_user=${OCF_RESKEY_user_default}}
+: ${OCF_RESKEY_pid=${OCF_RESKEY_pid_default}}
+: ${OCF_RESKEY_server_port=${OCF_RESKEY_server_port_default}}
+
+#######################################################################
+
+usage() {
+ cat <<UEND
+ usage: $0 (start|stop|validate-all|meta-data|status|monitor)
+
+ $0 manages an OpenStack Orchestration Engine Service (heat-api-cloudwatch) process as an HA resource
+
+ The 'start' operation starts the heat-api-cloudwatch service.
+ The 'stop' operation stops the heat-api-cloudwatch service.
+ The 'validate-all' operation reports whether the parameters are valid
+ The 'meta-data' operation reports this RA's meta-data information
+ The 'status' operation reports whether the heat-api-cloudwatch service is running
+ The 'monitor' operation reports whether the heat-api-cloudwatch service seems to be working
+
+UEND
+}
+
+meta_data() {
+ cat <<END
+<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
+<resource-agent name="heat-api-cloudwatch">
+<version>1.0</version>
+
+<longdesc lang="en">
+Resource agent for the OpenStack Orchestration Engine Service (heat-api-cloudwatch)
+May manage a heat-api-cloudwatch instance or a clone set that
+creates a distributed heat-api-cloudwatch cluster.
+</longdesc>
+<shortdesc lang="en">Manages the OpenStack Orchestration Engine Service (heat-api-cloudwatch)</shortdesc>
+<parameters>
+
+<parameter name="binary" unique="0" required="0">
+<longdesc lang="en">
+Location of the OpenStack Orchestration Engine server binary (heat-api-cloudwatch)
+</longdesc>
+<shortdesc lang="en">OpenStack Orchestration Engine server binary (heat-api-cloudwatch)</shortdesc>
+<content type="string" default="${OCF_RESKEY_binary_default}" />
+</parameter>
+
+<parameter name="config" unique="0" required="0">
+<longdesc lang="en">
+Location of the OpenStack Orchestration Engine Service (heat-api-cloudwatch) configuration file
+</longdesc>
+<shortdesc lang="en">OpenStack Orchestration Engine (heat-api-cloudwatch) config file</shortdesc>
+<content type="string" default="${OCF_RESKEY_config_default}" />
+</parameter>
+
+<parameter name="user" unique="0" required="0">
+<longdesc lang="en">
+User running OpenStack Orchestration Engine Service (heat-api-cloudwatch)
+</longdesc>
+<shortdesc lang="en">OpenStack Orchestration Engine Service (heat-api-cloudwatch) user</shortdesc>
+<content type="string" default="${OCF_RESKEY_user_default}" />
+</parameter>
+
+<parameter name="pid" unique="0" required="0">
+<longdesc lang="en">
+The pid file to use for this OpenStack Orchestration Engine Service (heat-api-cloudwatch) instance
+</longdesc>
+<shortdesc lang="en">OpenStack Orchestration Engine Service (heat-api-cloudwatch) pid file</shortdesc>
+<content type="string" default="${OCF_RESKEY_pid_default}" />
+</parameter>
+
+<parameter name="server_port" unique="0" required="0">
+<longdesc lang="en">
+The listening port number of the heat-api-cloudwatch server.
+
+</longdesc>
+<shortdesc lang="en">heat-api-cloudwatch listening port</shortdesc>
+<content type="integer" default="${OCF_RESKEY_server_port_default}" />
+</parameter>
+
+<parameter name="additional_parameters" unique="0" required="0">
+<longdesc lang="en">
+Additional parameters to pass on to the OpenStack Orchestration Engine Service (heat-api-cloudwatch)
+</longdesc>
+<shortdesc lang="en">Additional parameters for heat-api-cloudwatch</shortdesc>
+<content type="string" />
+</parameter>
+
+</parameters>
+
+<actions>
+<action name="start" timeout="20" />
+<action name="stop" timeout="20" />
+<action name="status" timeout="20" />
+<action name="monitor" timeout="30" interval="20" />
+<action name="validate-all" timeout="5" />
+<action name="meta-data" timeout="5" />
+</actions>
+</resource-agent>
+END
+}
+
+#######################################################################
+# Functions invoked by resource manager actions
+
+heat_api_cloudwatch_check_port() {
+# This function has been taken from the squid RA and improved a bit
+# The length of the integer must be 4
+# Examples of valid port: "1080", "0080"
+# Examples of invalid port: "1080bad", "0", "0000", ""
+
+ local int
+ local cnt
+
+ int="$1"
+ cnt=${#int}
+ echo $int |egrep -qx '[0-9]+(:[0-9]+)?(,[0-9]+(:[0-9]+)?)*'
+
+ if [ $? -ne 0 ] || [ $cnt -ne 4 ]; then
+ ocf_log err "Invalid port number: $1"
+ exit $OCF_ERR_CONFIGURED
+ fi
+}
+
+heat_api_cloudwatch_validate() {
+ local rc
+
+ check_binary $OCF_RESKEY_binary
+ check_binary netstat
+ heat_api_cloudwatch_check_port $OCF_RESKEY_server_port
+
+ # 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
+}
+
+heat_api_cloudwatch_status() {
+ local pid
+ local rc
+
+ if [ ! -f $OCF_RESKEY_pid ]; then
+ ocf_log info "OpenStack Orchestration Engine (heat-api-cloudwatch) 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 Orchestration Engine (heat-api-cloudwatch) is not running"
+ return $OCF_NOT_RUNNING
+ fi
+}
+
+heat_api_cloudwatch_monitor() {
+ local rc
+ local pid
+ local rc_db
+ local engine_db_check
+
+ heat_api_cloudwatch_status
+ rc=$?
+
+ # If status returned anything but success, return that immediately
+ if [ $rc -ne $OCF_SUCCESS ]; then
+ return $rc
+ fi
+
+ # Check the server is listening on the server port
+ engine_db_check=`netstat -an | grep -s "$OCF_RESKEY_console_port" | grep -qs "LISTEN"`
+ rc_db=$?
+ if [ $rc_db -ne 0 ]; then
+ ocf_log err "heat-api-cloudwatch is not listening on $OCF_RESKEY_console_port: $rc_db"
+ return $OCF_NOT_RUNNING
+ fi
+
+ ocf_log debug "OpenStack Orchestration Engine (heat-api-cloudwatch) monitor succeeded"
+ return $OCF_SUCCESS
+}
+
+heat_api_cloudwatch_start() {
+ local rc
+
+ heat_api_cloudwatch_status
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ]; then
+ ocf_log info "OpenStack Orchestration Engine (heat-api-cloudwatch) already running"
+ return $OCF_SUCCESS
+ fi
+
+ # run the actual heat-api-cloudwatch daemon. 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 \
+ $OCF_RESKEY_additional_parameters"' >> /dev/null 2>&1 & echo $!' > $OCF_RESKEY_pid
+
+ # Spin waiting for the server to come up.
+ while true; do
+ heat_api_cloudwatch_monitor
+ rc=$?
+ [ $rc -eq $OCF_SUCCESS ] && break
+ if [ $rc -ne $OCF_NOT_RUNNING ]; then
+ ocf_log err "OpenStack Orchestration Engine (heat-api-cloudwatch) start failed"
+ exit $OCF_ERR_GENERIC
+ fi
+ sleep 1
+ done
+
+ ocf_log info "OpenStack Orchestration Engine (heat-api-cloudwatch) started"
+ return $OCF_SUCCESS
+}
+
+heat_api_cloudwatch_stop() {
+ local rc
+ local pid
+
+ heat_api_cloudwatch_status
+ rc=$?
+ if [ $rc -eq $OCF_NOT_RUNNING ]; then
+ ocf_log info "OpenStack Orchestration Engine (heat-api-cloudwatch) 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 Orchestration Engine (heat-api-cloudwatch) 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 $shutdown_timeout ]; do
+ heat_api_cloudwatch_status
+ rc=$?
+ if [ $rc -eq $OCF_NOT_RUNNING ]; then
+ break
+ fi
+ count=`expr $count + 1`
+ sleep 1
+ ocf_log debug "OpenStack Orchestration Engine (heat-api-cloudwatch) still hasn't stopped yet. Waiting ..."
+ done
+
+ heat_api_cloudwatch_status
+ rc=$?
+ if [ $rc -ne $OCF_NOT_RUNNING ]; then
+ # SIGTERM didn't help either, try SIGKILL
+ ocf_log info "OpenStack Orchestration Engine (heat-api-cloudwatch) failed to stop after ${shutdown_timeout}s \
+ using SIGTERM. Trying SIGKILL ..."
+ ocf_run kill -s KILL $pid
+ fi
+
+ ocf_log info "OpenStack Orchestration Engine (heat-api-cloudwatch) 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
+heat_api_cloudwatch_validate || exit $?
+
+# What kind of method was invoked?
+case "$1" in
+ start) heat_api_cloudwatch_start;;
+ stop) heat_api_cloudwatch_stop;;
+ status) heat_api_cloudwatch_status;;
+ monitor) heat_api_cloudwatch_monitor;;
+ validate-all) ;;
+ *) usage
+ exit $OCF_ERR_UNIMPLEMENTED;;
+esac
+
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