这篇文章主要介绍devstack如何安装openstack pike，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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1.环境说明
物理机操作系统：ubuntu-16.04.4-server-amd64
controller：192.168.18.61 ubuntu61
compute：192.168.18.62 ubuntu62
compute：192.168.18.63 ubuntu63
2.修改apt源
vi /etc/apt/source.list
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
apt-get update
3.安装 python-pip
apt-get install python-pip
检验是否安装成功：pip -V
4.下载devstack
cd /home
git clone https://git.openstack.org/openstack-dev/devstack -b stable/pike
国内源
git clone https://git.openstack.org/openstack-dev/devstack -b stable/pike
5.创建stack用户
cd /home/devstack/tools/
./create-stack-user.sh
cd /home/
mv devstack /opt/stack
chown -R stack:stack /opt/stack/devstack
chmod 777 /dev/pts/0
6.设置pip的镜像源
分别为root和stack用户设置使用国内的pip源
mkdir ~/.pip
vi ~/.pip/pip.conf
[global]
index-url = https://pypi.douban.com/simple
download_cache = ~/.cache/pip
[install]
use-mirrors = true
mirrors = http://pypi.douban.com/
su - stack
$ mkdir ~/.pip
$ vi ~/.pip/pip.conf
[global]
index-url = https://pypi.douban.com/simple
download_cache = ~/.cache/pip
[install]
use-mirrors = true
mirrors = http://pypi.douban.com/
7.编辑controller节点的local.conf
cd /opt/stack/devstack
vi local.conf
[[local|localrc]]
GIT_BASE=http://git.trystack.cn
NOVNC_REPO=http://git.trystack.cn/kanaka/noVNC.git
SPICE_REPO=http://git.trystack.cn/git/spice/spice-html5.git
#初次安装设置true，重复安装设置为False
#RECLONE=False
RECLONE=True
MULTI_HOST=true
HOST_IP=192.168.18.61
LOGFILE=/opt/stack/logs/stack.sh.log
ADMIN_PASSWORD=123456
MySQL_PASSWORD=123456
RABBIT_PASSWORD=123456
SERVICE_PASSWORD=123456
SERVICE_TOKEN=abcdefghijklmnopqrstuvwxyz
disable_service n-net
enable_service q-svc
enable_service q-agt
enable_service q-dhcp
enable_service q-l3
enable_service q-meta
enable_service q-metering
enable_service neutron
Q_USE_SECGROUP=True
FLOATING_RANGE="192.168.18.0/24"
FIXED_RANGE="10.0.0.0/24"
Q_FLOATING_ALLOCATION_POOL=start=192.168.18.220,end=192.168.18.230
PUBLIC_NETWORK_GATEWAY="192.168.18.3"
Q_L3_ENABLED=True
PUBLIC_INTERFACE=enp7s0f0
Q_USE_PROVIDERNET_FOR_PUBLIC=True
OVS_PHYSICAL_BRIDGE=br-ex
PUBLIC_BRIDGE=br-ex
OVS_BRIDGE_MAPPINGS=public:br-ex
Q_PLUGIN=ml2
ENABLE_TENANT_VLANS=True
LOG_COLOR=True
LOGDIR=/opt/stack/logs
SCREEN_LOGDIR=$LOGDIR/screen
chown -R stack:stack /opt/stack/devstack/local.conf
8.切换到stack用户，执行安装脚本
su - stack
cd devstack/
./stack.sh
中间如果出错
./unstack.sh 后重新安装
还是出错，
./clean.sh 后重新安装
安装完成输出
=========================
DevStack Component Timing
=========================
Total runtime 3375
run_process 15
test_with_retry 6
apt-get-update 11
pip_install 756
osc 237
wait_for_service 25
git_timed 546
dbsync 239
apt-get 361
=========================
This is your host IP address: 192.168.18.61
This is your host IPv6 address: ::1
Horizon is now available at http://192.168.18.61/dashboard
Keystone is serving at http://192.168.18.61/identity/
The default users are: admin and demo
The password: 123456
9.安装compute节点
同controller节点操作一致：
更新apt源
安装 python-pip
下载devstack
创建stack用户
设置pip的镜像源
编辑local.conf
cd /opt/stack/devstack
vi local.conf
[[local|localrc]]
GIT_BASE=http://git.trystack.cn
NOVNC_REPO=http://git.trystack.cn/kanaka/noVNC.git
SPICE_REPO=http://git.trystack.cn/git/spice/spice-html5.git
RECLONE=False
MULTI_HOST=true
HOST_IP=192.168.18.62
LOGFILE=/opt/stack/logs/stack.sh.log
ADMIN_PASSWORD=123456
MYSQL_PASSWORD=123456
RABBIT_PASSWORD=123456
SERVICE_PASSWORD=123456
SERVICE_TOKEN=abcdefghijklmnopqrstuvwxyz
SERVICE_HOST=192.168.18.61
MYSQL_HOST=$SERVICE_HOST
RABBIT_HOST=$SERVICE_HOST
GLANCE_HOSTPORT=$SERVICE_HOST:9292
Q_HOST=$SERVICE_HOST
KEYSTONE_AUTH_HOST=$SERVICE_HOST
KEYSTONE_SERVICE_HOST=$SERVICE_HOST
ENABLED_SERVICES=n-cpu,q-agt,neutron
Q_PLUGIN=ml2
ENABLE_TENANT_VLANS=True
NEUTRON_CREATE_INITIAL_NETWORKS=False
enable_service placement-api
NOVA_VNC_ENABLED=True
NOVNCPROXY_URL="http://$SERVICE_HOST:6080/vnc_auto.html"
VNCSERVER_LISTEN=$HOST_IP
VNCSERVER_PROXYCLIENT_ADDRESS=$VNCSERVER_LISTEN
LOG_COLOR=True
disable_service tempest
切换到stack用户，执行安装脚本
su - stack
cd devstack/
./stack.sh
安装完成输出
=========================
DevStack Component Timing
=========================
Total runtime 275
run_process 4
apt-get-update 8
pip_install 109
osc 14
wait_for_service 16
apt-get 28
=========================
This is your host IP address: 192.168.18.62
This is your host IPv6 address: ::1
WARNING:
Using lib/neutron-legacy is deprecated, and it will be removed in the future
Services are running under systemd unit files.
For more information see:
https://docs.openstack.org/devstack/latest/systemd.html
DevStack Version: pike
Change: 73d848772186bf674e12f6253263aed9e164413a Merge "Bump the Cinder LVM backing file size to 24Gb." into stable/pike 2018-04-21 05:10:38 +0000
OS Version: Ubuntu 16.04 xenial
最后，要让计算节点注册在控制节点上运行
root@ubuntu61:/opt/stack/devstack/tools# ./discover_hosts.sh
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