2014年6月21日
[转]Request Flow for Provisioning Instance in Openstack
摘要： One of the most important use-case in any cloud is provisioning a VM . In this article we shall do a walk through about an instance(VM) being provisioned in a Openstack based cloud. This article ... 阅读全文
posted @ 2014-06-21 00:15 popsuper1982 阅读(4747) 评论(1) 推荐(0) 编辑
nova compute enable password injection and filesystem resize
摘要： root@OpenstackIcehouse2:~# cat /etc/nova/nova-compute.conf [DEFAULT] compute_driver=libvirt.LibvirtDriver [libvirt] virt_type=qemu libvirt_inject_partition=-1 inject_password=true ... 阅读全文
posted @ 2014-06-21 00:11 popsuper1982 阅读(607) 评论(0) 推荐(0) 编辑
RabbitMQ in Action(5): Clustering and dealing with failure
摘要： Batteries included: RabbitMQ clustering The clustering built in to RabbitMQ was designed with two goals in mind: allowing consumers and producers to keep running in the event one Rabbit node dies, an... 阅读全文
posted @ 2014-06-21 00:07 popsuper1982 阅读(2275) 评论(0) 推荐(0) 编辑
RabbitMQ in Action (2): Running and administering Rabbit
摘要： Server management the Erlang node and the Erlang application Starting nodes multiple Erlang applications can run inside the same node an application on node asparagus can call functions in applic... 阅读全文
posted @ 2014-06-21 00:06 popsuper1982 阅读(2658) 评论(0) 推荐(0) 编辑
Keystone v3 domains 应用场景
摘要： 阅读全文
posted @ 2014-06-21 00:01 popsuper1982 阅读(822) 评论(0) 推荐(0) 编辑
2014年6月20日
[转]Setting Keystone v3 domains
摘要： http://www.florentflament.com/blog/setting-keystone-v3-domains.html The Openstack Identity v3 API, provided by Keystone, offers features that were lacking in the previous version. Among these feature... 阅读全文
posted @ 2014-06-20 23:56 popsuper1982 阅读(1145) 评论(0) 推荐(0) 编辑
Openstack中RabbitMQ RPC代码分析
摘要： 在Openstack中，RPC调用是通过RabbitMQ进行的。 任何一个RPC调用，都有Client/Server两部分，分别在rpcapi.py和manager.py中实现。 这里以nova-scheduler调用nova-compute为例子。 nova/compute/rpcapi.py中有ComputeAPI nova/compute/manager.py中有ComputeMan... 阅读全文
posted @ 2014-06-20 23:55 popsuper1982 阅读(3261) 评论(0) 推荐(0) 编辑
RabbitMQ in Action (1): Understanding messaging
摘要： 1. Consumers and producers Producers create messages and publish (send) them to a broker server (RabbitMQ). A message has two parts: a payload and a label. The payload is the data you want to ... 阅读全文
posted @ 2014-06-20 22:41 popsuper1982 阅读(2350) 评论(0) 推荐(0) 编辑
[转]Understanding OpenStack Authentication: Keystone PKI
摘要： The latest stable release of OpenStack, codenamed Grizzly, revolutionizes the way user authentication works. You may have read some of the few articles available on this new authentication scheme. Thi... 阅读全文
posted @ 2014-06-20 22:40 popsuper1982 阅读(2656) 评论(0) 推荐(0) 编辑
neutron的基本原理
摘要： neutron是openstack的一个重要模块，也是比较难以理解和debug的模块之一。 我这里安装如图安装了经典的三个节点的Havana的Openstack 图1 分三个网络： External Network/API Network，这个网络是连接外网的，无论是用户调用Openstack的API，还是创建出来的虚拟机要访问外网，或者外网要ssh到虚拟机，都需要通过这个网络... 阅读全文
posted @ 2014-06-20 22:37 popsuper1982 阅读(7371) 评论(2) 推荐(4) 编辑