#!/bin/sh # # # OCF resource agent to move a floating address in an Openstack tenant. # # Copyright (c) 2018 Mathieu GRZYBEK # Based on code of Markus Guertler # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} . ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs # Defaults OCF_RESKEY_openstackcli_default="/usr/bin/openstack" : ${OCF_RESKEY_openstackcli=${OCF_RESKEY_openstackcli_default}} ####################################################################### USAGE="usage: $0 {start|stop|status|meta-data}"; ############################################################################### ############################################################################### # # Functions # ############################################################################### metadata() { cat < 2.0 Resource Agent to move a floating IP address from an instance to another one. It relies on attributes given by openstack-info resource agent (openstack_ports, openstack_id attributes). The attribute called "openstack_floating_ip" is updated. Move a floating IP Path to command line tools for openstack. Path to Openstack CLI tool Valid Openstack credentials as openrc file from api_access/openrc. openrc file Floating IP Identifier. IP ID Subnet Identifier to use to attach the address. Subnet ID END } osflip_validate() { check_binary "$OCF_RESKEY_openstackcli" if [ -z "$OCF_RESKEY_openrc" ]; then ocf_exit_reason "openrc parameter not set" return $OCF_ERR_CONFIGURED fi if [ ! -f "$OCF_RESKEY_openrc" ] ; then ocf_exit_reason "openrc file not found" return $OCF_ERR_CONFIGURED fi . $OCF_RESKEY_openrc if ! $OCF_RESKEY_openstackcli floating ip list|grep -q $OCF_RESKEY_ip_id ; then ocf_exit_reason "ip-id $OCF_RESKEY_ip_id not found" return $OCF_ERR_CONFIGURED fi ${HA_SBIN_DIR}/attrd_updater --query -n openstack_ports -N $(crm_node -n) > /dev/null 2>&1 if [ $? -ne 0 ] ; then ocf_log warn "attr_updater failed to get openstack_ports attribute of node $OCF_RESOURCE_INSTANCE" return $OCF_ERR_GENERIC fi return $OCF_SUCCESS } osflip_monitor() { local result local floating_ip local node_port_ids local port local buffer node_port_ids=$(${HA_SBIN_DIR}/attrd_updater --query -n openstack_ports -N $(crm_node -n) \ | awk -F= '{gsub("\"","");print $NF}' \ | tr ',' ' ' \ | awk -F: '{print $NF}') # Is the IP active and attached? result=$($OCF_RESKEY_openstackcli floating ip show \ --column port_id --column floating_ip_address \ --format yaml \ $OCF_RESKEY_ip_id) for port in $node_port_ids ; do if echo $result | grep -q $port ; then floating_ip=$(echo $result | awk '/floating_ip_address/ {print $2}') ${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -S status -n openstack_floating_ip -v $floating_ip return $OCF_SUCCESS fi done ${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -S state -n openstack_floating_ip ocf_log warn "$OCF_RESKEY_ip_id is not attached to any fixed address" return $OCF_NOT_RUNNING } osflip_stop() { ocf_log info "Bringing down IP address $OCF_RESKEY_ip_id" osflip_monitor if [ $? = $OCF_NOT_RUNNING ]; then ocf_log info "Address $OCF_RESKEY_ip_id already down" return $OCF_SUCCESS fi if ! $OCF_RESKEY_openstackcli floating ip unset --port $OCF_RESKEY_ip_id ; then return $OCF_ERR_GENERIC fi osflip_monitor if [ $? != $OCF_NOT_RUNNING ]; then ocf_log error "Couldn't unset IP address $OCF_RESKEY_ip_id." return $OCF_ERR_GENERIC fi ocf_log info "Successfully brought down $OCF_RESKEY_ip_id" return $OCF_SUCCESS } osflip_start() { local node_port_id local node_port_ids osflip_monitor if [ $? = $OCF_SUCCESS ]; then ocf_log info "$OCF_RESKEY_ip_id already started" return $OCF_SUCCESS fi # Get port_id from subnet_id node_port_ids=$(${HA_SBIN_DIR}/attrd_updater --query -n openstack_ports -N $(crm_node -n) \ | awk '{gsub("value=","") ; gsub("\"","") ; print $NF}') node_port_id=$(echo $node_port_ids \ | tr ',' '\n' \ | awk -F: "/$OCF_RESKEY_subnet_id/ {print \$2}") ocf_log info "Moving IP address $OCF_RESKEY_ip_id to port ID $node_port_id" $OCF_RESKEY_openstackcli floating ip set --port $node_port_id $OCF_RESKEY_ip_id if [ $? != $OCF_SUCCESS ]; then ocf_log error "$OCF_RESKEY_ip_id Cannot be set to port $node_port_id" return $OCF_ERR_GENERIC fi osflip_monitor if [ $? != $OCF_SUCCESS ]; then ocf_log error "$OCF_RESKEY_ip_id Cannot be set to port $node_port_id" return $OCF_ERR_GENERIC fi ocf_log info "Successfully brought up $OCF_RESKEY_ip_id" return $OCF_SUCCESS } ############################################################################### # # MAIN # ############################################################################### case $__OCF_ACTION in meta-data) metadata exit $OCF_SUCCESS ;; usage|help) echo $USAGE exit $OCF_SUCCESS ;; esac if ! ocf_is_root; then ocf_log err "You must be root for $__OCF_ACTION operation." exit $OCF_ERR_PERM fi case $__OCF_ACTION in start) osflip_validate || exit $? osflip_start;; stop) osflip_validate || exit $? osflip_stop;; monitor) osflip_validate || exit $? osflip_monitor;; validate-all) osflip_validate ;; *) echo $USAGE exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $?