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2024-07-21 09:38:02   220人阅读

1. 写openstack swift的middleware 首先要确定swift用的是哪个middleware文件。 比如healthcheck这个中间件，在机器上有很多同名文件如下，

这两行可能是源代码/etc/swift/swift-src/swift/common/middleware/healthcheck.py/etc/swift/swift-src/build/lib.linux-x86_64-2.7/swift/common/middleware/healthcheck.py这行不知道干嘛的/usr/share/pyshared/swift/common/middleware/healthcheck.py这行链接到上一行/usr/lib/python2.7/dist-packages/swift/common/middleware/healthcheck.py/usr/lib/python2.7/dist-packages/swift/common/middleware/healthcheck.pyc这行是真正用的。并且在修改这个文件后不需要compile成pyc直接重启 swift即可/usr/local/lib/python2.7/dist-packages/swift/common/middleware/healthcheck.py/usr/local/lib/python2.7/dist-packages/swift/common/middleware/healthcheck.pyc

2. 确定了middleware文件的位置为/usr/local后，在这个目录下尝试创建一个文件，然后配置。

首先，创建一个中间件文件。我是把一个现成的中间件文件copy过来。当然要改里面的类名之类的信息。

其次在/etc/swift/proxy-server.conf里做如下配置。myck是我的中间件文件

pipeline = catch_errors healthcheck myck cache authtoken keystoneauth proxy-server

除了上面一行还有下面一行

[filter:myck]paste.filter_factory = swift.common.middleware.myck:filter_factory

OK 重启swift即可看到新的中间件生效

swift-init all restart

root@A071103070098:~# curl -D- -H ‘X-Storage-User: admin:admin‘ -H ‘X-Storage-Pass: root1234‘ http://10.194.148.102:8080/myckHTTP/1.0 200 OKContent-Type: text/plainX-Trans-Id: tx5421cc00cae8401682b42-00540a6cebDate: Sat, 06 Sep 2014 02:09:47 GMTContent-Length: 83Age: 0X-Cache: MISS from NS-M46903639710X-Cache-Lookup: MISS from NS-M46903639710:8080Connection: closeOK this is from /usr/local. Do not need to recompile this file,just restart swift

 

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