转：ubuntu 12.04下devstack搭建openstack-havana
说明：测试devstack，参考了其proxy设置http://blog.iyunv.com/ustc_dylan/article/details/17582783
转：ubuntu 12.04下devstack搭建openstack-havana
整理了下自己在ubuntu 12.04下采用devstack搭建openstack-havana过程的笔记，与大家分享，主要是让大家少踩一些坑！
1. 在具体讲解部署步骤前，先描述一个比较大的坑：
ubuntu 12.04到现在为止发布了三个更新版本了: ubuntu-12.04.1, ubuntu-12.04.2和ubuntu-12.04.3，这三个版本分别对应着三个不同版本的内核：linux-3.2，linux-3.5和linux-3.8。 很多同学反馈，之前在ubuntu 12.04上采用devstack搭建openstack没有问题，但是进来缺碰到很多问题，尤其在搭建到neutron会报错，可能报如下错误：
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[*]service q-agt is not running!
通过screen-x stack到q-agt窗口可能会看到ovs版本不匹配。ubuntu 12.04默认安装了ovs-1.4.0, 这个版本的ovs兼容linux-2.6到linux-3.2内核，但是如果升级到了12.04.2或12.04.3（即linux-3.5及以上的内核），ovs版本就不在兼容了，提示需要大于等于ovs-1.10的版本，所以重新安装ovs-1.10即可！
2. 比较小的坑
（1）代理问题
如果你所在的网络设置了代理，则需要做好代理相关的配置。
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[*]#vim /etc/enviroment
[*]export http_proxy=http://proxy.com:port
[*]export https_proxy=http://proxy.com:port
[*]export no_proxy=127.0.0.1,localhost
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[*]export PIP_CONFIG_FILE=/home/dylan/.pip/pip.conf
（2）pip源问题
官方的pip源由于各种原因可能不能访问，导致pip install的时候失败，修改为国内的pip源
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[*]#vim ~/.pip/pip.conf
[*]
[*]index-url=http://e.pypi.python.org/simple
[*]
[*]use-mirrors=true
[*]index-url=http://pypi.douban.com
（3）ceilometer dashboard bug: Unable to retrieve tenant list
通过查看horizon的log，可以看到报如下错误：
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[*]handle Recoverable error: marker cloud not be found (HTTP 400)
解决方法：
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[*]vim /opt/stack/horizon/openstack_dashboard/dashboards/admin/metering/views.py
[*]
[*]第149行，删除参数"marker=tenant_marker"后，重启web服务即可！
（4）mkdir: cannot create directory '/opt/stack/status': Permission denied
手动创建此目录即可！sudo mkdir /opt/stack/status -p
2. devstack搭建openstack-havana
搭建的主要过程是配置文件localrc的编写，下面给出一个经过验证的localrc。
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[*]# Misc
[*]DATABASE_PASSWORD=123456
[*]ADMIN_PASSWORD=123456
[*]SERVICE_PASSWORD=123456
[*]SERVICE_TOKEN=123456
[*]RABBIT_PASSWORD=123456
[*]
[*]# Reclone each time
[*]#RECLONE=true
[*]
[*]# Python enviroments
[*]#OFFLINE=true
[*]
[*]## For Keystone
[*]KEYSTONE_TOKEN_FORMAT=PKI
[*]
[*]## For Swift
[*]SWIFT_REPLICAS=1
[*]SWIFT_HASH=011688b44136573e209e
[*]
[*]# Enable Logging
[*]LOGFILE=/opt/stack/logs/stack.sh.log
[*]VERBOSE=True
[*]LOG_COLOR=True
[*]SCREEN_LOGDIR=/opt/stack/logs
[*]
[*]# Pre-requisite
[*]ENABLED_SERVICES=rabbit,mysql,key
[*]
[*]## If you want ZeroMQ instead of RabbitMQ (don't forget to un-declare 'rabbit' from the pre-requesite)
[*]ENABLED_SERVICES+=,-rabbit,-qpid,zeromq
[*]
[*]## If you want Qpid instead of RabbitMQ (don't forget to un-declare 'rabbit' from the pre-requesite)
[*]#ENABLED_SERVICES+=,-rabbit,-zeromq,qpid
[*]
[*]# Horizon (Dashboard UI) - (always use the trunk)
[*]ENABLED_SERVICES+=,horizon
[*]HORIZON_REPO=https://github.com/openstack/horizon
[*]HORIZON_BRANCH=master
[*]
[*]# Nova - Compute Service
[*]ENABLED_SERVICES+=,n-api,n-crt,n-obj,n-cpu,n-cond,n-sch
[*]IMAGE_URLS+=",https://launchpad.net/cirros/trunk/0.3.0/+download/cirros-0.3.0-x86_64-disk.img"
[*]
[*]## Nova Cells
[*]ENABLED_SERVICES+=,n-cell
[*]
[*]# Glance - Image Service
[*]ENABLED_SERVICES+=,g-api,g-reg
[*]
[*]# Swift - Object Storage
[*]ENABLED_SERVICES+=,s-proxy,s-object,s-container,s-account
[*]
[*]# Neutron - Networking Service
[*]# If Neutron is not declared the old good nova-network will be used
[*]ENABLED_SERVICES+=,q-svc,q-agt,q-dhcp,q-l3,q-meta,neutron
[*]
[*]## Neutron - Load Balancing
[*]ENABLED_SERVICES+=,q-lbaas
[*]
[*]## Neutron - VPN as a Service
[*]ENABLED_SERVICES+=,q-vpn
[*]
[*]## Neutron - Firewall as a Service
[*]ENABLED_SERVICES+=,q-fwaas
[*]
[*]# VLAN configuration
[*]Q_PLUGIN=ml2
[*]ENABLE_TENANT_VLANS=True
[*]
[*]# GRE tunnel configuration
[*]Q_PLUGIN=ml2
[*]ENABLE_TENANT_TUNNELS=True
[*]
[*]# VXLAN tunnel configuration
[*]Q_PLUGIN=ml2
[*]Q_ML2_TENANT_NETWORK_TYPE=vxlan
[*]
[*]# Cinder - Block Device Service
[*]ENABLED_SERVICES+=,cinder,c-api,c-vol,c-sch
[*]
[*]# Heat - Orchestration Service
[*]ENABLED_SERVICES+=,heat,h-api,h-api-cfn,h-api-cw,h-eng
[*]IMAGE_URLS+=",http://fedorapeople.org/groups/heat/prebuilt-jeos-images/F17-x86_64-cfntools.qcow2"
[*]
[*]# Ceilometer - Metering Service (metering + alarming)
[*]CEILOMETER_BACKEND=mysql
[*]ENABLED_SERVICES+=,ceilometer-acompute,ceilometer-acentral,ceilometer-collector,ceilometer-api
[*]ENABLED_SERVICES+=,ceilometer-alarm-notify,ceilometer-alarm-eval
[*]
[*]# Apache fronted for WSGI
[*]APACHE_ENABLED_SERVICES+=keystone,swift
[*]
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