rpm/SOURCES/neutron-dhcp-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 DHCP agent.
  28
  29 Usage: neutron-dhcp-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 DHCP_CONF=/etc/neutron/dhcp_agent.ini
  54
  55 while [ $# -gt 0 ]
  56 do
  57         case "$1" in
  58                 -h|--help)
  59                         usage
  60                         ;;
  61                 -p|--plugin)
  62                         shift
  63                         NEUTRON_PLUGIN=${1}
  64                         ;;
  65                 -q|--qhost)
  66                         shift
  67                         Q_HOST=${1}
  68                         ;;
  69                 *)
  70                         # ignore
  71                         shift
  72                         ;;
  73         esac
  74         shift
  75 done
  76
  77 # if the plugin is not defined
  78 if [ -z ${NEUTRON_PLUGIN} ] ; then
  79         echo "Please select a plugin from: ${SUPPORTED_PLUGINS[*]}"
  80         echo "Choice:"
  81         read NEUTRON_PLUGIN
  82 fi
  83
  84 # check that the plugin is valid
  85 is_valid_plugin ${NEUTRON_PLUGIN}
  86 if [ $? -ne 0 ]; then
  87         echo "Plugin '${NEUTRON_PLUGIN}' not supported. Supported plugins:-"
  88         echo "    ${SUPPORTED_PLUGINS[*]}"
  89         exit 0
  90 fi
  91
  92 echo "Neutron plugin: ${NEUTRON_PLUGIN}"
  93
  94 if [ -z ${Q_HOST} ] ; then
  95     echo "Please enter the Neutron hostname:"
  96     read Q_HOST
  97 fi
  98
  99 Q_PORT=9696
 100 Q_CONF=/etc/neutron/neutron.conf
 101 # QPID
 102 openstack-config --set ${Q_CONF} DEFAULT rpc_backend neutron.openstack.common.rpc.impl_qpid
 103 openstack-config --set ${Q_CONF} DEFAULT qpid_hostname ${Q_HOST}
 104
 105 case "${NEUTRON_PLUGIN}" in
 106 "linuxbridge")
 107         LINUX_INTERFACE_DRIVER=neutron.agent.linux.interface.BridgeInterfaceDriver
 108 ;;
 109
 110 "openvswitch")
 111         if ! rpm -q openvswitch > /dev/null
 112         then
 113                 echo "Please install openvswitch"
 114                 exit 0
 115         fi
 116         LINUX_INTERFACE_DRIVER=neutron.agent.linux.interface.OVSInterfaceDriver
 117 ;;
 118
 119 esac
 120
 121 # Keystone specific
 122 OS_USERNAME=${OS_USERNAME:-neutron}
 123 OS_PASSWORD=${OS_PASSWORD:-servicepass}
 124 OS_AUTH_URL=${OS_AUTH_URL:-http://localhost:35357/v2.0/}
 125 OS_TENANT_NAME=${OS_TENANT_NAME:-service}
 126
 127 # Update Keystone
 128 openstack-config --set ${DHCP_CONF} DEFAULT auth_url ${OS_AUTH_URL}
 129 openstack-config --set ${DHCP_CONF} DEFAULT admin_username ${OS_USERNAME}
 130 openstack-config --set ${DHCP_CONF} DEFAULT admin_password ${OS_PASSWORD}
 131 openstack-config --set ${DHCP_CONF} DEFAULT admin_tenant_name ${OS_TENANT_NAME}
 132
 133 # Update interface driver
 134 openstack-config --set ${DHCP_CONF} DEFAULT interface_driver ${LINUX_INTERFACE_DRIVER}
 135
 136 echo "Configuration updates complete!"