386 lines
13 KiB
Bash
386 lines
13 KiB
Bash
#!/bin/sh
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#
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#
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# OpenStack Neutron Server (neutron-server)
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#
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# Description: Manages an OpenStack Neutron Server (neutron-server) process as an HA resource
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#
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# Authors: Emilien Macchi
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# Mainly inspired by the Neutron API resource agent written by Sebastien Han : http://goo.gl/s8hOU
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# Which is also inspired by the Glance API resource agent written by Martin Gerhard Loschwitz from Hastexo: http://goo.gl/whLpr
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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_plugin_config
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# OCF_RESKEY_user
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# OCF_RESKEY_pid
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# OCF_RESKEY_os_username
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# OCF_RESKEY_os_password
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# OCF_RESKEY_os_tenant_name
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# OCF_RESKEY_keystone_get_token_url
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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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. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
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#######################################################################
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# Fill in some defaults if no values are specified
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OCF_RESKEY_binary_default="neutron-server"
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OCF_RESKEY_config_default="/etc/neutron/neutron.conf"
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OCF_RESKEY_plugin_config_default="/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini"
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OCF_RESKEY_user_default="neutron"
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OCF_RESKEY_pid_default="$HA_RSCTMP/$OCF_RESOURCE_INSTANCE.pid"
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OCF_RESKEY_url_default="http://127.0.0.1:9696"
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OCF_RESKEY_keystone_get_token_url_default="http://127.0.0.1:5000/v2.0/tokens"
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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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: ${OCF_RESKEY_plugin_config=${OCF_RESKEY_plugin_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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: ${OCF_RESKEY_url=${OCF_RESKEY_url_default}}
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: ${OCF_RESKEY_keystone_get_token_url=${OCF_RESKEY_keystone_get_token_url_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 Neutron Server (neutron-server) process as an HA resource
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The 'start' operation starts the Neutron Server service.
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The 'stop' operation stops the Neutron Server 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 Neutron Server service is running
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The 'monitor' operation reports whether the Neutron Server 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-server">
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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 Server (neutron-server)
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May manage a neutron-server instance or a clone set that
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creates a distributed neutron-server cluster.
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</longdesc>
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<shortdesc lang="en">Manages the OpenStack Neutron Server (neutron-server)</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 Neutron Server server binary (neutron-server)
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</longdesc>
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<shortdesc lang="en">OpenStack Neutron Server server binary (neutron-server)</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 Server (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="${OCF_RESKEY_config_default}" />
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</parameter>
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<parameter name="plugin config" unique="0" required="0">
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<longdesc lang="en">
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Location of the OpenStack Default Plugin (Open-vSwitch) configuration file
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</longdesc>
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<shortdesc lang="en">OpenStack OVS (neutron-ovs) config file</shortdesc>
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<content type="string" default="${OCF_RESKEY_plugin_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 Neutron Server (neutron-server)
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</longdesc>
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<shortdesc lang="en">OpenStack Neutron Server (neutron-server) user</shortdesc>
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<content type="string" default="${OCF_RESKEY_user_default}" />
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</parameter>
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<parameter name="pid" unique="0" required="0">
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<longdesc lang="en">
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The pid file to use for this OpenStack Neutron Server (neutron-server) instance
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</longdesc>
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<shortdesc lang="en">OpenStack Neutron Server (neutron-server) pid file</shortdesc>
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<content type="string" default="${OCF_RESKEY_pid_default}" />
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</parameter>
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<parameter name="url" unique="0" required="0">
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<longdesc lang="en">
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The default URL to use for monitoring this instance (neutron-server) via curl. Important note: the monitor function doesn't accept http return code different than 200, for instance redirection code will generate an error. Don't forget the '/' at the end of your url endpoint. For example http://127.0.0.1:9696/v1.1 won't work and http://127.0.0.1:9696/v1.1/ will.
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</longdesc>
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<shortdesc lang="en">OpenStack Neutron API (neutron-server) monitor url</shortdesc>
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<content type="string" default="${OCF_RESKEY_url_default}" />
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</parameter>
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<parameter name="keystone_get_token_url" unique="0" required="0">
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<longdesc lang="en">
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The default URL to use to acquire a Neutron API (neutron-server) token for monitoring this instance
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of OpenStack Neutron API (neutron-server)
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</longdesc>
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<shortdesc lang="en">OpenStack Neutron API (neutron-server) url</shortdesc>
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<content type="string" default="${OCF_RESKEY_keystone_get_token_url_default}" />
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</parameter>
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<parameter name="os_username" unique="0" required="0">
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<longdesc lang="en">
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The username to use when connecting with Neutron API (neutron-server) for monitoring purposes
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</longdesc>
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<shortdesc lang="en">Neutron API (neutron-server) monitoring login</shortdesc>
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<content type="string" />
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</parameter>
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<parameter name="os_password" unique="0" required="0">
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<longdesc lang="en">
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The password to use when connecting Neutron API (neutron-server) for monitoring purposes
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</longdesc>
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<shortdesc lang="en">Neutron API (neutron-server) monitoring password</shortdesc>
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<content type="string" />
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</parameter>
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<parameter name="os_tenant_name" unique="0" required="0">
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<longdesc lang="en">
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The tenant to use when connecting Neutron API (neutron-server) for monitoring purposes
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</longdesc>
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<shortdesc lang="en">Neutron API (neutron-server) monitoring tenant</shortdesc>
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<content type="string" />
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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 Neutron Server (neutron-server)
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</longdesc>
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<shortdesc lang="en">Additional parameters for neutron-server</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="10" interval="5" />
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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_server_validate() {
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local rc
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check_binary $OCF_RESKEY_binary
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check_binary curl
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check_binary tr
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check_binary grep
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check_binary cut
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check_binary head
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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_server_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 Neutron Server (neutron-server) 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 -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 Neutron Server (neutron-server) is not running"
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return $OCF_NOT_RUNNING
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fi
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}
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neutron_server_monitor() {
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local rc
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local token
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local http_code
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neutron_server_status
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rc=$?
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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 $rc
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fi
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# Check detailed information about this specific version of the API.
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if [ -n "$OCF_RESKEY_os_username" ] && [ -n "$OCF_RESKEY_os_password" ] \
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&& [ -n "$OCF_RESKEY_os_tenant_name" ] && [ -n "$OCF_RESKEY_keystone_get_token_url" ]; then
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token=`curl -s -d "{\"auth\":{\"passwordCredentials\": {\"username\": \"$OCF_RESKEY_os_username\", \
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\"password\": \"$OCF_RESKEY_os_password\"}, \"tenantName\": \"$OCF_RESKEY_os_tenant_name\"}}" \
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-H "Content-type: application/json" $OCF_RESKEY_keystone_get_token_url | tr ',' '\n' | grep '"id":' \
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| cut -d'"' -f4 | head --lines 1`
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http_code=`curl --write-out %{http_code} --output /dev/null -sH "X-Auth-Token: $token" $OCF_RESKEY_url`
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rc=$?
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if [ $rc -ne 0 ] || [ $http_code -ne 200 ]; then
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ocf_log err "Failed to connect to the OpenStack Neutron API (neutron-server): $rc and $http_code"
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return $OCF_NOT_RUNNING
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fi
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fi
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ocf_log debug "OpenStack Neutron Server (neutron-server) monitor succeeded"
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return $OCF_SUCCESS
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}
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neutron_server_start() {
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local rc
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neutron_server_status
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rc=$?
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if [ $rc -eq $OCF_SUCCESS ]; then
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ocf_log info "OpenStack Neutron Server (neutron-server) already running"
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return $OCF_SUCCESS
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fi
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# run the actual neutron-server daemon with correct configurations files (server + plugin)
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# Don't use ocf_run as we're sending the tool's output
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# straight to /dev/null anyway and using ocf_run would break stdout-redirection here.
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su ${OCF_RESKEY_user} -s /bin/sh -c "${OCF_RESKEY_binary} --config-file=$OCF_RESKEY_config \
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--config-file=$OCF_RESKEY_plugin_config --log-file=/var/log/neutron/server.log $OCF_RESKEY_additional_parameters"' >> \
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/dev/null 2>&1 & echo $!' > $OCF_RESKEY_pid
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# Spin waiting for the server to come up.
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# Let the CRM/LRM time us out if required
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while true; do
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neutron_server_monitor
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rc=$?
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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 Neutron Server (neutron-server) 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 Neutron Server (neutron-server) started"
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return $OCF_SUCCESS
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}
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neutron_server_stop() {
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local rc
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local pid
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neutron_server_status
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rc=$?
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if [ $rc -eq $OCF_NOT_RUNNING ]; then
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ocf_log info "OpenStack Neutron Server (neutron-server) 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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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 Neutron Server (neutron-server) couldn't 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 $shutdown_timeout ]; do
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neutron_server_status
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rc=$?
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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 $count + 1`
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sleep 1
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ocf_log debug "OpenStack Neutron Server (neutron-server) still hasn't stopped yet. Waiting ..."
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done
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neutron_server_status
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rc=$?
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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 Neutron Server (neutron-server) failed to stop after ${shutdown_timeout}s \
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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 Neutron Server (neutron-server) 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) 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_server_validate || exit $?
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# What kind of method was invoked?
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case "$1" in
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start) neutron_server_start;;
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stop) neutron_server_stop;;
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status) neutron_server_status;;
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monitor) neutron_server_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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