8ea5709572
The openstack mailing list moved from launchpad to openstack.org quite a long time ago. Change-Id: I8fcc16d223891c3cd12289b5ccd6a6a674bd2255 Signed-off-by: Adam Spiers <aspiers@suse.com>
386 lines
11 KiB
Bash
386 lines
11 KiB
Bash
#!/bin/sh
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#
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#
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# OpenStack Orchestration Engine Service (heat-engine)
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#
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# Description: Manages an OpenStack Orchestration Engine Service (heat-engine)
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# process as an HA resource
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#
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# Authors: Emilien Macchi
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#
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# Support: openstack@lists.openstack.org
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# License: Apache Software License (ASL) 2.0
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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_zeromq
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# OCF_RESKEY_additional_parameters
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#######################################################################
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# Initialization:
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: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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#######################################################################
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# Fill in some defaults if no values are specified
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OCF_RESKEY_binary_default="heat-engine"
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OCF_RESKEY_config_default="/etc/heat/heat.conf"
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OCF_RESKEY_user_default="heat"
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OCF_RESKEY_pid_default="$HA_RSCTMP/$OCF_RESOURCE_INSTANCE.pid"
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OCF_RESKEY_amqp_server_port_default="5672"
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OCF_RESKEY_zeromq_default="false"
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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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: ${OCF_RESKEY_zeromq=${OCF_RESKEY_zeromq_default}}
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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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$0 manages an OpenStack Orchestration Engine Service (heat-engine) process as an HA resource
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The 'start' operation starts the heat-engine service.
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The 'stop' operation stops the heat-engine 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 heat-engine service is running
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The 'monitor' operation reports whether the heat-engine service seems to be working
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UEND
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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="heat-engine">
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<version>1.0</version>
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<longdesc lang="en">
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Resource agent for the OpenStack Orchestration Engine Service (heat-engine)
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May manage a heat-engine instance or a clone set that
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creates a distributed heat-engine cluster.
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</longdesc>
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<shortdesc lang="en">Manages the OpenStack Orchestration Engine Service (heat-engine)</shortdesc>
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<parameters>
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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 Orchestration Engine server binary (heat-engine)
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</longdesc>
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<shortdesc lang="en">OpenStack Orchestration Engine server binary (heat-engine)</shortdesc>
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<content type="string" default="${OCF_RESKEY_binary_default}" />
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</parameter>
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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 Orchestration Engine Service (heat-engine) configuration file
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</longdesc>
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<shortdesc lang="en">OpenStack Orchestration Engine (heat-engine) config file</shortdesc>
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<content type="string" default="${OCF_RESKEY_config_default}" />
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</parameter>
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<parameter name="user" unique="0" required="0">
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<longdesc lang="en">
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User running OpenStack Orchestration Engine Service (heat-engine)
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</longdesc>
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<shortdesc lang="en">OpenStack Orchestration Engine Service (heat-engine) user</shortdesc>
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<content type="string" default="${OCF_RESKEY_user_default}" />
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</parameter>
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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 Orchestration Engine Service (heat-engine) instance
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</longdesc>
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<shortdesc lang="en">OpenStack Orchestration Engine Service (heat-engine) pid file</shortdesc>
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<content type="string" default="${OCF_RESKEY_pid_default}" />
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</parameter>
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<parameter name="amqp_server_port" unique="0" required="0">
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<longdesc lang="en">
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The listening port number of the AMQP server. Use for monitoring purposes
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</longdesc>
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<shortdesc lang="en">AMQP listening port</shortdesc>
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<content type="integer" default="${OCF_RESKEY_amqp_server_port_default}" />
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</parameter>
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<parameter name="zeromq" unique="0" required="0">
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<longdesc lang="en">
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If zeromq is used, this will disable the connection test to the AMQP server. Use for monitoring purposes
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</longdesc>
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<shortdesc lang="en">Zero-MQ usage</shortdesc>
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<content type="boolean" default="${OCF_RESKEY_zeromq_default}" />
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</parameter>
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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 Orchestration Engine Service (heat-engine)
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</longdesc>
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<shortdesc lang="en">Additional parameters for heat-engine</shortdesc>
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<content type="string" />
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</parameter>
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</parameters>
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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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# Functions invoked by resource manager actions
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heat_engine_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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local int
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local cnt
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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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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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heat_engine_validate() {
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local rc
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check_binary $OCF_RESKEY_binary
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check_binary netstat
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heat_engine_check_port $OCF_RESKEY_amqp_server_port
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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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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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true
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}
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heat_engine_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 "OpenStack Orchestration Engine (heat-engine) is not" \
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"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 -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 Orchestration Engine" \
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"(heat-engine) is not running"
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return $OCF_NOT_RUNNING
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fi
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}
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heat_engine_monitor() {
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local rc
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local pid
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local rc_amqp
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local engine_amqp_check
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heat_engine_status
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rc=$?
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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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# Check the connections according to the PID. We are sure to hit the
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# heat-engine process and not other heat process with the same connection
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# behavior (for example heat-api)
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pid=`cat $OCF_RESKEY_pid`
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engine_amqp_check=`netstat -punt | \
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grep -s "$OCF_RESKEY_amqp_server_port" | grep -s "$pid" | \
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grep -qs "ESTABLISHED"`
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rc_amqp=$?
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if [ $rc_amqp -ne 0 ]; then
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ocf_log err "Heat Engine is not connected to the AMQP server: AMQP" \
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"connection test returned $rc_amqp"
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return $OCF_NOT_RUNNING
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fi
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ocf_log debug "OpenStack Orchestration Engine (heat-engine) monitor" \
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"succeeded"
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return $OCF_SUCCESS
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}
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heat_engine_start() {
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local rc
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heat_engine_status
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rc=$?
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if [ $rc -eq $OCF_SUCCESS ]; then
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ocf_log info "OpenStack Orchestration Engine (heat-engine) already" \
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"running"
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return $OCF_SUCCESS
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fi
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# run the actual heat-engine daemon. Don't use ocf_run as we're sending the
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# tool's output straight to /dev/null anyway and using ocf_run would break
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# stdout-redirection here.
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su ${OCF_RESKEY_user} -s /bin/sh -c "${OCF_RESKEY_binary} \
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--config-file=$OCF_RESKEY_config \
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$OCF_RESKEY_additional_parameters"' >> /dev/null 2>&1 & echo $!' \
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> $OCF_RESKEY_pid
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# Spin waiting for the server to come up.
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while true; do
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heat_engine_monitor
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rc=$?
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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 Orchestration Engine (heat-engine) 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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ocf_log info "OpenStack Orchestration Engine (heat-engine) started"
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return $OCF_SUCCESS
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}
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heat_engine_stop() {
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local rc
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local pid
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heat_engine_status
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rc=$?
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if [ $rc -eq $OCF_NOT_RUNNING ]; then
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ocf_log info "OpenStack Orchestration Engine (heat-engine) already" \
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"stopped"
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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 "OpenStack Orchestration Engine (heat-engine) couldn't" \
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"be stopped"
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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 $shutdown_timeout ]; do
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heat_engine_status
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rc=$?
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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 $count + 1`
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sleep 1
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ocf_log debug "OpenStack Orchestration Engine (heat-engine) still" \
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"hasn't stopped yet. Waiting ..."
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done
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heat_engine_status
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rc=$?
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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 Orchestration Engine (heat-engine) failed to" \
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"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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ocf_log info "OpenStack Orchestration Engine (heat-engine) 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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#######################################################################
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case "$1" in
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meta-data)
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meta_data
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exit $OCF_SUCCESS
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;;
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usage|help)
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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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heat_engine_validate || exit $?
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# What kind of method was invoked?
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case "$1" in
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start)
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heat_engine_start
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;;
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stop)
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heat_engine_stop
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;;
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status)
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heat_engine_status
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;;
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monitor)
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heat_engine_monitor
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;;
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validate-all)
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;;
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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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