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。现已提供下载，相关文档请看这里。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