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Circus is a program that will let you run and watch multiple processes and sockets.

Project description

Circus is a program that runs and watches processes and sockets.

Circus can be used as a library or through the command line.

For more information about the motivation for this project, see this blog post.

Build Status

Links:

CHANGES

0.5 - 2012-07-06

  • added socket support
  • added a listsocket command
  • sockets have stats too !
  • fixed a lot of small bugs
  • removed the wid - now using pid everywhere
  • faster tests
  • changed the variables syntax
  • use pyzmq’s ioloop in more places
  • now using iowait for all select() calls
  • incr/decr commands now have an nbprocess parameter
  • Add a reproduce_env option to watchers
  • Add a new UNEXISTING status to the processes
  • Added the global httpd option to run circushttpd as a watcher

0.4 - 2012-06-12

  • Added a plugin system
  • Added a “singleton” option for watchers
  • Fixed circus-top screen flickering
  • Removed threads from circus.stats in favor of zmq periodic callbacks
  • Enhanced the documentation
  • Circus client now have a send_message api
  • The flapping feature is now a plugin
  • Every command line tool have a –version option
  • Added a statsd plugin (sends the events from circus to statsd)
  • The web UI now uses websockets (via socketio) to get the stats
  • The web UI now uses sessions for “flash messages” in the web ui

0.3.4 - 2012-05-30

  • Fixed a race condition that prevented the controller to cleanly reap finished processes.
  • Now check_flapping can be controlled in the configuration. And activated/deactivated per watcher.

0.3.3 - 2012-05-29

  • Fixed the regression on the uid handling

0.3.2 - 2012-05-24

  • allows optional args property to add_watcher command.
  • added circushttpd, circus-top and circusd-stats
  • allowing Arbiter.add_watcher() to set all Watcher option
  • make sure the redirectors are re-created on restarts

0.3.1 - 2012-04-18

  • fix: make sure watcher’ defaults aren’t overrided
  • added a StdoutStream class.

0.3 - 2012-04-18

  • added the streaming feature
  • now displaying coverage in the Sphinx doc
  • fixed the way the processes are killed (no more SIGQUIT)
  • the configuration has been factored out
  • setproctitle support

0.2 - 2012-04-04

  • Removed the show name. replaced by watcher.
  • Added support for setting process rlimit.
  • Added support for include dirs in the config file.
  • Fixed a couple of leaking file descriptors.
  • Fixed a core dump in the flapping
  • Doc improvments
  • Make sure circusd errors properly when another circusd is running on the same socket.
  • get_arbiter now accepts several watchers.
  • Fixed the cmd vs args vs executable in the process init.
  • Fixed –start on circusctl add

0.1 - 2012-03-20

  • initial release

Project details


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0.14.0

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0.13.0

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0.12.1

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0.12.0

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0.11.1

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0.11.0

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0.10.0

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0.9.2

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0.9.1

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0.9

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0.8.1

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0.8

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0.7.1

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0.7.0

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0.6.0

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0.5.2

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0.5.1

This version
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0.5

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0.4

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0.3.4

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0.3.3

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0.3.2

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0.3.1

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0.3

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0.2

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0.1

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