【OpenStack】OpenStack系列7之Nova详解

源码下载、安装

参考：
https://github.com/yongluo2013/osf-openstack-training/blob/master/installation/openstack-icehouse-for-centos65.md

http://ericzhong.github.io/2013/09/04/install-openstack-from-source/

http://yhz.me/blog/Openstack-Icehouse-Source-on-CentOS.html

/article/4532405.html

下载：git clone -b stable/icehouse https://github.com/openstack/nova.git
pip install -r requirements.txt

python setup.py install

创建用户、服务

生成nova配置文件：（不稳定，可能需要多执行几次）
yum install postgresql-devel、pip install tox、pip install -r test-requirements.txt

tox –egenconfig

配置nova配置文件、数据库初始化：
配置sql连接（修改connection而不是sql_connection）

mysql -uroot -popenstack -e "CREATE DATABASE nova;"

mysql -uroot -popenstack -e "GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'openstack';"

mysql -uroot -popenstack -e "GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY 'openstack';"

mysql -uroot -popenstack -e "GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'controller0' IDENTIFIED BY 'openstack';"

nova-manage db sync（nova-manage --config-file=/etc/nova/nova.conf db sync）

错误参考：

yum -y install yum-plugin-priorities

https://ask.openstack.org/en/question/52581/does-keystone_manage-db_sync-succeed-with-python-sqlalchemy-09x/

https://ask.openstack.org/en/question/25546/table-novamigrate_version-doesnt-exist/

https://community.rackspace.com/products/f/45/t/3620

yum install python-oslo-messaging

yum install python-migrate

Nova.conf配置日志、rpc、vnc、keystone认证等

添加api-paste.ini 的 Keystone认证信息

启动nova服务

nova-all &
mkdir -p /var/lib/nova

lock_path= /var/lib/nova，解决RequiredOptError: value required for option: lock_path问题：http://yhz.me/blog/Openstack-Icehouse-Source-on-CentOS.html

nova-manage service list





nova-api默认占用8774端口。nova-api默认占用8774、8775端口。nova-novncproxy默认占用6080端口。

nova-novnc启动失败问题：/article/4532405.html
https://github.com/kanaka/noVNC.git

cp -rf noVNC/* /usr/share/novnc/

Nova-client下载安装

下载：git clone -b stable/kilo https://github.com/openstack/python-novaclient.git（git clone https://github.com/openstack/python-novaclient.git） pip install -r requirements.txt

python setup.py install

有问题看日志！！！经验主义！！！

虚拟机动态迁移参考：
https://github.com/yongluo2013/osf-openstack-training/blob/master/installation/How-to-configure-live-migration.md

日志分析——ELK组合



同类云平台比较
http://www.qyjohn.net/?s=openstack&x=0&y=0