rpm/SOURCES/neutron-l3-setup

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2012, Red Hat, Inc.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   6 # not use this file except in compliance with the License. You may obtain
   7 # a copy of the License at
   8 #
   9 #      http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  13 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  14 # License for the specific language governing permissions and limitations
  15 # under the License.
  16 #
  17
  18 # The script supports the plugins below
  19 declare -a SUPPORTED_PLUGINS=(linuxbridge openvswitch)
  20
  21 #
  22 # Print --help output and exit.
  23 #
  24 usage() {
  25
  26 cat << EOF
  27 The helper script will install the necessary support for the L3 agent.
  28
  29 Usage: neutron-l3-setup [options]
  30 Options:
  31         --help        | -h
  32                 Print usage information.
  33         --plugin      | -p
  34                 The neutron plugin. Supported plugins:-
  35                     ${SUPPORTED_PLUGINS[*]}
  36         --qhost       | -q
  37                 The Neutron hostname (assumes that this is also the QPID host).
  38 EOF
  39
  40         exit 0
  41 }
  42
  43 is_valid_plugin() {
  44         local i=
  45         for i in "${SUPPORTED_PLUGINS[@]}"; do
  46                 if [ "$i" == "$1" ]; then
  47                         return 0
  48                 fi
  49         done
  50         return 1
  51 }
  52
  53 L3_CONF=/etc/neutron/l3_agent.ini
  54 L3_META_CONF=/etc/neutron/metadata_agent.ini
  55
  56 while [ $# -gt 0 ]
  57 do
  58         case "$1" in
  59                 -h|--help)
  60                         usage
  61                         ;;
  62                 -p|--plugin)
  63                         shift
  64                         NEUTRON_PLUGIN=${1}
  65                         ;;
  66                 -q|--qhost)
  67                         shift
  68                         Q_HOST=${1}
  69                         ;;
  70                 *)
  71                         # ignore
  72                         shift
  73                         ;;
  74         esac
  75         shift
  76 done
  77
  78 # if the plugin is not defined
  79 if [ -z ${NEUTRON_PLUGIN} ] ; then
  80         echo "Please select a plugin from: ${SUPPORTED_PLUGINS[*]}"
  81         echo "Choice:"
  82         read NEUTRON_PLUGIN
  83 fi
  84
  85 # check that the plugin is valid
  86 is_valid_plugin ${NEUTRON_PLUGIN}
  87 if [ $? -ne 0 ]; then
  88         echo "Plugin '${NEUTRON_PLUGIN}' not supported. Supported plugins:-"
  89         echo "    ${SUPPORTED_PLUGINS[*]}"
  90         exit 0
  91 fi
  92
  93 echo "Neutron plugin: ${NEUTRON_PLUGIN}"
  94
  95 if [ -z ${Q_HOST} ] ; then
  96     echo "Please enter the Neutron hostname:"
  97     read Q_HOST
  98 fi
  99
 100 Q_PORT=9696
 101 Q_CONF=/etc/neutron/neutron.conf
 102 # QPID
 103 openstack-config --set ${Q_CONF} DEFAULT rpc_backend neutron.openstack.common.rpc.impl_qpid
 104 openstack-config --set ${Q_CONF} DEFAULT qpid_hostname ${Q_HOST}
 105
 106 case "${NEUTRON_PLUGIN}" in
 107 "linuxbridge")
 108         LINUX_INTERFACE_DRIVER=neutron.agent.linux.interface.BridgeInterfaceDriver
 109         openstack-config --set ${L3_CONF} DEFAULT external_network_bridge ''
 110 ;;
 111
 112 "openvswitch")
 113         if ! rpm -q openvswitch > /dev/null
 114         then
 115                 echo "Please install openvswitch"
 116                 exit 0
 117         fi
 118         LINUX_INTERFACE_DRIVER=neutron.agent.linux.interface.OVSInterfaceDriver
 119 ;;
 120
 121 esac
 122
 123 # Keystone specific
 124 OS_USERNAME=${OS_USERNAME:-neutron}
 125 OS_PASSWORD=${OS_PASSWORD:-servicepass}
 126 OS_AUTH_URL=${OS_AUTH_URL:-http://localhost:35357/v2.0/}
 127 OS_TENANT_NAME=${OS_TENANT_NAME:-service}
 128
 129 # Update Keystone
 130 openstack-config --set ${L3_META_CONF} DEFAULT auth_url ${OS_AUTH_URL}
 131 openstack-config --set ${L3_META_CONF} DEFAULT admin_user ${OS_USERNAME}
 132 openstack-config --set ${L3_META_CONF} DEFAULT admin_password ${OS_PASSWORD}
 133 openstack-config --set ${L3_META_CONF} DEFAULT admin_tenant_name ${OS_TENANT_NAME}
 134
 135 # Update interface driver
 136 openstack-config --set ${L3_CONF} DEFAULT interface_driver ${LINUX_INTERFACE_DRIVER}
 137
 138 echo "Configuration updates complete!"