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OpenStack Network - Local - zzzz~~~'s Blog

OpenStack Network - Local

zzzz~~~ posted @ 2014年7月16日 17:01 in OpenStack , 1395 阅读

OpenStack Network - Local

Author:	Yugang LIU <liuyug@gmail.com>
Copyright:	署名-相同方式共享 3.0 (CC BY-SA 3.0)

Contents

1 Configure network
2 Create external network
3 Create internal network
4 Create VM
5 Check network
- 5.1 compute node
- 5.2 OpenFlow

OpenStack Local 网络配置详解

其它相关文件请查阅我的 SimpleStack

1 Configure network

sh local_settings.sh

#!/bin/sh

cur_dir=`dirname  $(readlink -fn $0)`

. $cur_dir/../functions.sh
stack_conf=$cur_dir/../stack.conf

# To configure the Modular Layer 2 (ML2) plug-in
conf_file="/etc/neutron/plugins/ml2/ml2_conf.ini"
ini_set $conf_file "ml2" "type_drivers" "local"
ini_set $conf_file "ml2" "tenant_network_types" "local"
ini_set $conf_file "ml2" "mechanism_drivers" "openvswitch"
ini_set $conf_file "ovs" "integration_bridge" "br-int"

service neutron-plugin-openvswitch-agent restart
service neutron-l3-agent restart
service neutron-dhcp-agent restart
service neutron-metadata-agent restart
service neutron-server restart

# vim: ts=4 sw=4 et tw=79

2 Create external network

sh create_ext-net.sh

#!/bin/sh

cur_dir=`dirname  $(readlink -fn $0)`
. $cur_dir/../../functions.sh
stack_conf=$cur_dir/../../stack.conf

. $cur_dir/../../admin-openrc.sh

if [ "x$1" = "xclean" ]; then
    neutron router-gateway-clear demo-router
    neutron subnet-delete ext-subnet
    neutron net-delete ext-net
    exit 0
fi

FLOATING_IP_START=`ini_get $stack_conf "neutron" "floating_ip_start"`
FLOATING_IP_END=`ini_get $stack_conf "neutron" "floating_ip_end"`
EXTERNAL_NETWORK_GATEWAY=`ini_get $stack_conf "neutron" "external_network_gateway"`
EXTERNAL_NETWORK_CIDR=`ini_get $stack_conf "neutron" "external_network_cidr"`

tenant_id=`keystone tenant-list | awk '/ admin /{print $2}'`
neutron net-create ext-net \
    --shared \
    --tenant_id=$tenant_id \
    --router:external=True

neutron subnet-create ext-net --name ext-subnet \
    --tenant_id=$tenant_id \
    --disable-dhcp \
    --allocation-pool start=$FLOATING_IP_START,end=$FLOATING_IP_END \
    --gateway $EXTERNAL_NETWORK_GATEWAY \
    $EXTERNAL_NETWORK_CIDR

# vim: ts=4 sw=4 et tw=79

3 Create internal network

sh create_int-net.sh

#!/bin/sh

cur_dir=`dirname  $(readlink -fn $0)`
. $cur_dir/../../functions.sh
stack_conf=$cur_dir/../../stack.conf

. $cur_dir/../../admin-openrc.sh


if [ "x$1" = "xclean" ]; then
    neutron router-gateway-clear demo-router
    neutron router-interface-delete demo-router demo-subnet
    neutron router-delete demo-router
    neutron subnet-delete demo-subnet
    neutron net-delete demo-net
    exit 0
fi


TENANT_NETWORK_GATEWAY=`ini_get $stack_conf "neutron" "tenant_network_gateway"`
TENANT_NETWORK_CIDR=`ini_get $stack_conf "neutron" "tenant_network_cidr"`

tenant_id=`keystone tenant-list | awk '/ demo /{print $2}'`
neutron net-create demo-net \
    --tenant_id=$tenant_id

neutron subnet-create demo-net \
    --name demo-subnet \
    --tenant_id=$tenant_id \
    --dns-nameserver 8.8.8.8 \
    --gateway $TENANT_NETWORK_GATEWAY \
    $TENANT_NETWORK_CIDR

neutron router-create demo-router \
    --tenant_id=$tenant_id

neutron router-interface-add demo-router demo-subnet
neutron router-gateway-set demo-router ext-net

# vim: ts=4 sw=4 et tw=79

4 Create VM

sh tools/create_vm.sh cirros01 cirros-x86_64 demo-net

connect to VM through vnc:

nova get-vnc-console cirros01

5 Check network

5.2 OpenFlow

ovs-ofctl dump-flows br-int:

NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=6525.696s, table=0, n_packets=437, n_bytes=90523, idle_age=3315, priority=1 actions=NORMAL

ovs-ofctl dump-flows br-ex:

NXST_FLOW reply (xid=0x4):
 cookie=0x0, duration=6590.781s, table=0, n_packets=23602, n_bytes=3315438, idle_age=0, priority=0 actions=NORMAL

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