Apache Stratos 是一个支持多语言的 PaaS 框架，提供一个云端的开发、测试和运行可伸缩应用程序的环境。提供高利用率、自动化资源管理和平台的监控以及收费管理。
Apache Stratos 可运行 Tomcat、PHP 和 MySQL 应用作为服务，带来自服务管理、弹性扩展、多租户的部署、使用监控等等。
该系统目前还在 Apache 基金会中进行孵化。
Apache Stratos 4.0.0 发布，此版本是 Apache Stratos 成为高级项目以来的第一个版本发布。主要更新内容如下：
Bug 修复
[STRATOS-202] - nohup: appending output to `nohup.out' message comes when starting up autoscaler, loadbalancer, cloud controller
[STRATOS-356] - Service Aware LB subscription Fails
[STRATOS-364] - CLI does not show error message even though it failed to unsubscribe
[STRATOS-373] - CLI should specifically say if alias is already exists..(Not a general error)
[STRATOS-434] - Add an Operation to List Deployed Multitenant Service Cluster Details
[STRATOS-456] - Exceptions does not propagate when communication via stubs
[STRATOS-476] - Cartridge Agent throws an NPE, if there're no payload params in launch-params file
[STRATOS-478] - UI Exception throws when idle for sometime
[STRATOS-485] - opt is hardcoded in stratos.sh in CA
[STRATOS-486] - Propagating back-end exceptions to the front-end (CLI and UI)
[STRATOS-491] - Exception shown in the CLI instead of the proper message
[STRATOS-492] - Stratos configuration wizard's samples need to be revisited and corrected
[STRATOS-494] - Instances are spawned again after Un-Subscription
[STRATOS-495] - LB cartridge sample configuration does not include load.balancer property
[STRATOS-498] - Cartridge Agent reads launch-params file for each parameter
[STRATOS-502] - Error in SM after sometime
[STRATOS-525] - Ability to assign Openstack availability zones using jclouds Openstack-nova API
[STRATOS-527] - Disable registry versioning
[STRATOS-531] - Some improvements to the UI
[STRATOS-532] - UI allows different passwords password and repeat password fields when creating tenants
[STRATOS-533] - UI not showing correct subscription details of subscribed cartridges
[STRATOS-534] - current instances stopped and re spinned when AS shutdown for a moment and restart
[STRATOS-540] - Stratos GUI goes to an error page if LB cartridge definitions json format is not correct.
[STRATOS-542] - Cartridge Agent should not listen only to localhost
[STRATOS-543] - Topology needs to be sync when the member gets terminated
[STRATOS-544] - private ip/public ip in the NodeMetaData is null when we use multiple networks
[STRATOS-545] - Topology synchronization period needs to be configurable
[STRATOS-557] - Error while starting mysql instances
[STRATOS-564] - Cluster monitor creation should be re-tried few times, if failed once
[STRATOS-572] - Support cartridge undeploy in stratos UI
[STRATOS-576] - wrong theme in stratos manager
[STRATOS-577] - Exception when trying to login as a deactivated tenant
[STRATOS-579] - Issue with check availability button in adding a new tenant
[STRATOS-584] - copy broker client lib step is missing in the documentation
[STRATOS-588] - URL File Path not being included in Location Header
[STRATOS-600] - A new member to replace a faulty member should be spawned via min-check rule
[STRATOS-602] - vCloud: Stratos Manager Unable To Push Payload to Cartridge VM
[STRATOS-609] - Decrement In-Flight Request Count On Fault Requests
[STRATOS-614] - Scale down logic does not execute as intended
[STRATOS-625] - Error in scale down logic
[STRATOS-627] - Event Publishers and Subscribers do not reconnect to message broker if connection drops
改进
[STRATOS-97] - Load Balancer Architectural Changes for Stratos 4.0.0
[STRATOS-348] - Improve Multi-tenant cartridge subscription mechanism
[STRATOS-447] - Add categorization to the cartridge listing page
[STRATOS-448] - Error handling from the backend in the UI.
[STRATOS-461] - Provide validation for the add new teanat page
[STRATOS-505] - Make Stratos Cartridge Agent Truly Extensible
[STRATOS-523] - Run stratos in a single JVM instance
[STRATOS-562] - Single JVM installation script
[STRATOS-591] - Need an error page for Stratos Console
[STRATOS-612] - Fixing few usability issues with setting up Stratos
新特性
[STRATOS-153] - Port cartridge management APIs to REST
[STRATOS-203] - [stratos-manager-frontend] boilerplate MVC structure for the application
项目主页：https://cwiki.apache.org/confluence/display/STRATOS/4.0.0
下载地址：http://www.apache.org/dyn/closer.cgi/stratos
来自:开源中国社区
