統一云計算接口 Apache Libcloud 0.9.1 發布

libcloud 是一個訪問云計算服務的統一接口，該項目已經成為 Apache 組織的頂級項目，采用 Python 開發。

Apache Libcloud 0.9.1 發布了，該版本主要改進內容：

- A lot of improvements and additional functionality in the OpenStack driver. Now a generic OpenStack driver (Provider.OPENSTACK) also works with devstack.org and trystack.org installations
- Improvements and better exception propagation in the deploy_node method
- New driver for ElasticHosts Los Angeles and Toronto location
- Support for new EC2 instance type - m1.medium

修復的 Bug：

- Don't lowercase special header names in the Amazon S3 storage driver. This fixes a bug with multi-objects delete calls.
- Properly handle OpenStack providers which return public IP addresses under the 'internet' key in the 'addresses' dictionary
- Make create_node in Linode driver return a Node instance instead of a listen of Node instances

完整的記錄請看：
https://svn.apache.org/viewvc/libcloud/tags/0.9.1/CHANGES?revision=r1307716&view=markup