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.
Links:
The full documentation is located at : http://circus.io
There’s a maling list for any feedback or question: http://tech.groups.yahoo.com/group/circus-dev/
The repository and issue tracker is at GitHub : https://github.com/mozilla-services/circus
Join us on the IRC : Freenode, channel #mozilla-circus
CHANGES
0.5.2 - 2012-07-26
now patching the thread module from the stdlib to avoid some Python bugs - #203
better looking circusctl help screen
uses pustil get_nice() when available (nice was deprecated) - #208
added max_age support - #221
only call listen() on SOCK_STREAM or SOCK_SEQPACKET sockets
make sure the controller empties the plugins list in update_watchers() - #220
added –log-level and –log-output to circushttpd
fix the process killing via the web UI - #219
now circus is zc.buildout compatible for scripts.
cleanup the websocket when the client disconnect - #225
fixed the default value for the endpoint - #199
splitted circushttpd in logical modules
0.5.1 - 2012-07-11
Fixed a bunch of typos in the documentation
Added the debug option
Package web-requirements.txt properly
Added a errno error code in the messages - fixes #111
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
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