317 lines
9.8 KiB
Bash
Executable File
317 lines
9.8 KiB
Bash
Executable File
#!/bin/bash
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#
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#
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# OpenStack VMware DVS Service
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#
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# Description: Manages an OpenStack VMware DVS Service process as an HA resource
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#
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# Authors: Igor Gajsin
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# Mainly inspired by the OVS Service resource agent written by Emilien Macchi
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#
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# Support: openstack@lists.launchpad.net
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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_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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: ${OCF_FUEL_FUNCTIONS_DIR=${OCF_ROOT}/resource.d/fuel}
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. ${OCF_FUEL_FUNCTIONS_DIR}/ocf-fuel-funcs
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#######################################################################
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# Fill in some defaults if no values are specified
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OCF_RESKEY_binary_default="neutron-dvs-agent"
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OCF_RESKEY_config_default="/etc/neutron/neutron.conf"
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OCF_RESKEY_user_default="neutron"
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OCF_RESKEY_pid_default="${HA_RSCTMP}/${__SCRIPT_NAME}/${__SCRIPT_NAME}.pid"
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OCF_RESKEY_log_file_default="/var/log/neutron/vmware-dvs-agent-vcenter-sn.log"
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OCF_RESKEY_debug_default='false'
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: ${HA_LOGTAG="ocf-neutron-dvs-agent"}
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: ${HA_LOGFACILITY="daemon"}
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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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: ${OCF_RESKEY_log_file=${OCF_RESKEY_log_file_default}}
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: ${OCF_RESKEY_debug=${OCF_RESKEY_debug_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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$0 manages an OpenStack VMware DVS Service (${OCF_RESKEY_binary}) process as an HA resource
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The 'start' operation starts the networking service.
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The 'stop' operation stops the networking 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 networking service is running
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The 'monitor' operation reports whether the networking 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="neutron-dvs-agent">
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<version>1.0</version>
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<longdesc lang="en">
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Resource agent for the OpenStack Neutron VMware DVS Service (${OCF_RESKEY_binary})
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May manage a neutron-dvs-agent instance or a clone set that
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creates a distributed neutron-dvs-agent cluster.
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</longdesc>
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<shortdesc lang="en">Manages the OpenStack OVS Service (${OCF_RESKEY_binary})</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 VMware DVS agent binary (${OCF_RESKEY_binary})
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</longdesc>
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<shortdesc lang="en">OpenStack VMware DVS agent binary (${OCF_RESKEY_binary})</shortdesc>
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<content type="string" default="${OCF_RESKEY_binary_default}" />
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</parameter>
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<parameter name="config" unique="0" required="0">
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<longdesc lang="en">
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Location of the OpenStack Neutron Service (neutron-server) configuration file
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</longdesc>
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<shortdesc lang="en">OpenStack Neutron Server (neutron-server) config file</shortdesc>
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<content type="string" default="${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 VMware DVS Service (${OCF_RESKEY_binary})
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</longdesc>
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<shortdesc lang="en">OpenStack VMware DVS Service (${OCF_RESKEY_binary}) user</shortdesc>
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<content type="string" default="${OCF_RESKEY_user_default}" />
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</parameter>
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<parameter name="pid" unique="0" required="0">
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<longdesc lang="en">
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The pid file to use for this OpenStack VMware DVS Service (${OCF_RESKEY_binary}) instance
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</longdesc>
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<shortdesc lang="en">OpenStack VMware DVS Service (${OCF_RESKEY_binary}) pid file</shortdesc>
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<content type="string" default="${OCF_RESKEY_pid_default}" />
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</parameter>
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<parameter name="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 VMware DVS Service (${OCF_RESKEY_binary})
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</longdesc>
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<shortdesc lang="en">Additional parameters for neutron-dvs-agent</shortdesc>
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<content type="string" />
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</parameter>
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<parameter name="log_file" unique="0" required="0">
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<longdesc lang="en">
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The log file to use for this OpenStack VMware DVS Service (${OCF_RESKEY_binary}) instance
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</longdesc>
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<shortdesc lang="en">OpenStack VMware DVS Service (${OCF_RESKEY_binary}) log file</shortdesc>
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<content type="string" default="${OCF_RESKEY_log_file_default}" />
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</parameter>
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<parameter name="debug" unique="0" required="0">
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<longdesc lang="en">
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The debug flag for OpenStack Vmware DVS Service (${OCF_RESKEY_binary}) instance
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</longdesc>
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<shortdesc lang="en">OpenStack Metadata Service (${OCF_RESKEY_binary}) debug flag</shortdesc>
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<content type="string" default="${OCF_RESKEY_debug_default}" />
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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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neutron_dvs_agent_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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# 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 $OCF_ERR_INSTALLED
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fi
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true
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}
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neutron_dvs_agent_status() {
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local pid
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local rc
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# check and make PID file dir
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local PID_DIR="$( dirname ${OCF_RESKEY_pid} )"
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if [ ! -d "${PID_DIR}" ] ; then
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ocf_log debug "Create pid file dir: ${PID_DIR} and chown to ${OCF_RESKEY_user}"
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mkdir -p "${PID_DIR}"
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chown -R ${OCF_RESKEY_user} "${PID_DIR}"
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chmod 755 "${PID_DIR}"
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fi
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if [ ! -f $OCF_RESKEY_pid ]; then
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ocf_log warn "OpenStack Neutron agent '$OCF_RESKEY_binary' not running."
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return $OCF_NOT_RUNNING
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else
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pid=`cat $OCF_RESKEY_pid`
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fi
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if [ -n "${pid}" ]; then
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ocf_run -warn kill -s 0 $pid
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rc=$?
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else
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ocf_log err "PID file ${OCF_RESKEY_pid} is empty!"
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return $OCF_ERR_GENERIC
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fi
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if [ $rc -eq 0 ]; then
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return $OCF_SUCCESS
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else
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ocf_log info "Old PID file found, but OpenStack VMware DVS agent ('$OCF_RESKEY_binary') is not running"
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return $OCF_NOT_RUNNING
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fi
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}
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neutron_dvs_agent_monitor() {
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neutron_dvs_agent_status
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rc=$?
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return $rc
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}
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neutron_dvs_agent_start() {
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local rc
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neutron_dvs_agent_status
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rc=$?
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if [ $rc -eq $OCF_SUCCESS ]; then
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ocf_log info "OpenStack VMware DVS agent (${OCF_RESKEY_binary}) already running"
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return $OCF_SUCCESS
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fi
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# run and detach to background neutron-dvs-agent as daemon.
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# Don't use ocf_run as we're sending the tool's output
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su ${OCF_RESKEY_user} -s /bin/sh -c "${OCF_RESKEY_binary} --config-file=$OCF_RESKEY_config \
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--log-file=$OCF_RESKEY_log_file $OCF_RESKEY_additional_parameters \
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>> /dev/null"' 2>&1 & echo $! > $OCF_RESKEY_pid'
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ocf_log debug "Create pid file: ${OCF_RESKEY_pid} with content $(cat ${OCF_RESKEY_pid})"
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# Spin waiting for the server to come up.
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# Let the CRM/LRM time us out if required
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while true; do
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neutron_dvs_agent_monitor
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rc=$?
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[ $rc -eq $OCF_SUCCESS ] && break
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if [ $rc -ne $OCF_NOT_RUNNING ]; then
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ocf_log err "OpenStack (${OCF_RESKEY_binary}) start failed"
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exit $OCF_ERR_GENERIC
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fi
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sleep 3
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done
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ocf_log info "OpenStack VMware DVS agent (${OCF_RESKEY_binary}) started"
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return $OCF_SUCCESS
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}
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neutron_dvs_agent_stop() {
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local rc
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local pid
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local shutdown_timeout=15
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if [ -n "$OCF_RESKEY_CRM_meta_timeout" ]; then
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shutdown_timeout=$(( ($OCF_RESKEY_CRM_meta_timeout/1000) ))
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fi
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neutron_dvs_agent_status
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rc=$?
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if [ $rc -eq $OCF_NOT_RUNNING ]; then
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ocf_log info "OpenStack VMware DVS agent (${OCF_RESKEY_binary}) already 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 $OCF_RESKEY_pid`
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proc_stop "${pid}" "${OCF_RESKEY_binary}" $shutdown_timeout
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rc=$?
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if [ "${rc}" -eq "${OCF_ERR_GENERIC}" ]; then
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ocf_log err "OpenStack VMware DVS agent (${OCF_RESKEY_binary}) couldn't be stopped"
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exit $OCF_ERR_GENERIC
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fi
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ocf_log debug "Delete pid file: ${OCF_RESKEY_pid} with content $(cat ${OCF_RESKEY_pid})"
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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) meta_data
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exit $OCF_SUCCESS;;
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usage|help) usage
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exit $OCF_SUCCESS;;
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esac
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# Anything except meta-data and help must pass validation
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neutron_dvs_agent_validate || exit $?
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umask 0022
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# What kind of method was invoked?
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case "$1" in
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start) neutron_dvs_agent_start;;
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stop) neutron_dvs_agent_stop;;
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status) neutron_dvs_agent_status;;
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monitor) neutron_dvs_agent_monitor;;
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validate-all) ;;
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*) usage
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exit $OCF_ERR_UNIMPLEMENTED;;
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esac
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