mozilla

Changelog history

0.13 - 2016-01-27

This release brings Python 3.5 support, a better handling of stdin for the watchers, a new kill command, and several interesting bugfixes.

  • Compatibility with Python 3.5 - #939, #956
  • Add close_child_stdin option to the watchers - #910
  • Add ‘kill’ command - #957
  • Fix issues with case for start, stop and restart commands - #927
  • Fix AccessDenied error - #920
  • DecrProcess was renamed DecrProc - #932
  • Fix issues with DecrProc and singleton watchers - #932
  • Fix encoding issue with statsd sockets - #947
  • Some fixes for Papa sockets - #953, #922
  • Minor doc updates

0.12.1 - 2015-08-05

  • Fix error when restarting a watcher with an output stream - #913
  • Minor doc tweaks

0.12 - 2015-06-02

This release brings Python 3.4, Tornado 4 and Windows support, among several exciting features and fixes.

The Windows support is still experimental, and does not handle streams.

Major changes:

  • Compatibility with Python 3.4 - #768
  • Experimental Windows support - #788
  • Compatibility with Tornado 4 - #872
  • Revamped Debian packaging - #896 - #903
  • Add support for Papa process kernel - #850
  • Add globing and regex matching for starting, stopping and restarting watchers - #829 - #902

More changes:

  • Optimization of the shutdown - #784 - #842
  • Add possibility to specify virtualenv version for the watchers - #805
  • Add –nostop option to the rmwatcher command - #777
  • Add a callback to Arbiter.start - #840
  • Fix reloading watchers with uppercase letters - #823
  • Remove leaking socket in stats daemon - #843
  • Fix multicast on SunOS - #876
  • Close output streams when stopping a watcher - #885
  • Fix signal sending to grandchildren with –recursive - #888

0.11.1 - 2014-05-22

  • Fixed a regression that broke Circus on 2.6 - #782

0.11 - 2014-05-21

This release is not introducing a lot of features, and focused on making Circus more robust & stable.

Major changes/fixes:

  • Make sure we cannot execute two conflictings commands on the arbiter simultanously.
  • we have 2 new streams class: TimedRotatingFileStream, WatchedFileStream
  • we have one new hook: after_spawn hook
  • CircusPlugin is easier to use
  • fix autostart=False watchers during start (regression)

More changes:

  • circus messages can be routed to syslog now - #748
  • endpoint_owner option added so we can define which user owns ipc socket files created by circus.
  • Started Windows support (just circusctl for now)
  • fixed a lot of leaks in the tests
  • Allow case sensitive environment variables
  • The resource plugin now accepts absolute memory values - #609
  • Add support to the add command for the ‘singleton’ option - #767
  • Allow sending arbitrary signals to child procs via resource watcher - #756
  • Allow INI/JSON/YAML configuration for logging
  • Make sure we’re compatible with psutil 2.x and 3.x
  • Added more metrics to the statsd provider - #698
  • Fixed multicast discovery - #731
  • Make start, restart and reload more uniform - #673
  • Correctly initialize all use groups - #635
  • improved tests stability
  • many, many more things....

0.10 - 2013-11-04

Major changes:

  • Now Python 3.2 & 3.3 compatible - #586
  • Moved the core to a fully async model - #569
  • Improved documentation - #622

More changes:

  • Added stop_signal & stop_children - #594
  • Make sure the watchdog plugin closes the sockets - #588
  • Switched to ZMQ JSON parser
  • IN not supported on all platforms - #573
  • Allow global environment substitutions in any config section - #560
  • Allow dashes in sections names - #546
  • Now variables are expanded everywhere in the config - #554
  • Added the CommandReloader plugin
  • Added before_signal & after_signal hooks
  • Allow flapping plugin to retry indefinitely
  • Don’t respawn procs when the watcher is stopping - #529 - #536
  • Added a unique id for each client message - #517
  • worker ids are now “slots” -
  • Fixed the graceful shutdown behavior - #515
  • Make sure we can add watchers even if the arbiter is not started - #503
  • Make sure make sure we pop expired process - #510
  • Make sure the set command can set several hooks
  • Correctly support ipv6 sockets - #507
  • Allow custom options for stdout_stream and stderr_stream - #495
  • Added time_format for FileStream - #493
  • Added new socket config option to bind to a specific interface by name

0.9.3 - 2013-09-04

  • Make sure we can add watchers even if the arbiter is not started
  • Make sure we pop expired process
  • Make sure the set command can set one or several hooks
  • Correctly support ipv6 sockets and improvments of CircusSockets
  • Give path default value to prevent UnboundLocalError
  • Added a test for multicast_endpoint existence in Controller initialization
  • Not converting every string of digits to ints anymore
  • Add tests
  • No need for special cases when converting stdout_stream options
  • also accept umask as an argument for consistency
  • Allow custom options for stdout_stream and stderr_stream.
  • Add new socket config option to bind to a specific interface by name
  • Add time_format for FileStream + tests
  • Update circus.upstart

0.9.2 - 2013-07-17

  • When a PYTHONPATH is defined in a config file, it’s loaded in sys.path so hooks can be located there - #477, #481
  • Use a single argument for add_callback so it works with PyZMQ < 13.1.x - see #478

0.9 - 2013-07-16

  • added [env] sections wildcards
  • added global [env] secrtion
  • fixed hidden exception when circus-web is not installed - #424
  • make sure incr/decr commands really us the nb option - #421
  • Fix watcher virtualenv site-packages not in PYTHONPATH
  • make sure we dont try to remove more processes than 0 - #429
  • updated bootstrap.py - #436
  • fixed multiplatform separator in pythonpath virtualenv watcher
  • refactored socket close function
  • Ensure env sections are applied to all watchers - #437
  • added the reloadconfig command
  • added circus.green and removed gevent from the core - #441, #452
  • silenced spurious stdout & warnings in the tests - #438
  • $(circus.env.*) can be used for all options in the config now
  • added a before_spawn hook
  • correct the path of circusd in systemd service file - #450
  • make sure we can change hooks and set streams via CLI - #455
  • improved doc
  • added a spawn_count stat in watcher
  • added min_cpu and min_mem parameters in ResourceWatcher plugin
  • added the FQDN information to the arbiter.

0.8.1 - 2013-05-28

  • circusd-stats was choking on unix sockets - #415
  • circusd-stats & circushttpd child processes stdout/stderr are now left open by default. Python <= 2.7.5 would choke in the logging module in case the 2/3 fds were closed - #415
  • Now redirecting to /dev/null in the child process instead of closing. #417

0.8 - 2013-05-24

  • Integrated log handlers into zmq io loop.
  • Make redirector restartable and subsequently more robust.
  • Uses zmq.green.eventloop when gevent is detected
  • Added support for CIRCUSCTL_ENDPOINT environment variable to circusctl - #396
  • util: fix bug in to_uid function - #397
  • Remove handler on ioloop error - #398.
  • Improved test coverage
  • Deprecated the ‘service’ option for the ResourceWatcher plugin - #404
  • removed psutil.error usage
  • Added UDP discovery in circusd - #407
  • Now allowing globs at arbitrary directory levels - #388
  • Added the ‘statd’ configuration option - #408
  • Add pidfile, logoutput and loglevel option to circus configuration file - #379
  • Added a tutorial in the docs.
  • make sure we’re merging all sections when using include - #414
  • added pipe_stdout, pipe_stderr, close_child_stderr & close_child_stdout options to the Process class
  • added close_child_stderr & close_child_stdout options to the watcher

0.7.1 - 2013-05-02

  • Fixed the respawn option - #382
  • Make sure we use an int for the timeout - #380
  • display the unix sockets as well - #381
  • Make sure it works with the latest pyzmq
  • introduced a second syntax for the fd notation

0.7 - 2013-04-08

  • Fix get_arbiter example to use a dict for the watchers argument. #304
  • Add some troubleshooting documentation #323
  • Add python buildout support
  • Removed the gevent and the thread redirectors. now using the ioloop - fixes #346. Relates #340
  • circus.web is now its own project
  • removed the pyzmq patching
  • Allow the watcher to be configured but not started #283
  • Add an option to load a virtualenv site dir
  • added on_demand watchers
  • added doc about nginx+websockets #371
  • now properly parsing the options list of each command #369
  • Fixed circusd-stats events handling #372
  • fixed the overflow issue in circus-top #378
  • many more things...

0.6 - 2012-12-18

  • Patching protocols name for sockets - #248
  • Don’t autoscale graphs. #240
  • circusctl: add per command help, from docstrings #217
  • Added workers hooks
  • Added Debian package - #227
  • Added Redis, HTTP Observer, Full stats & Resource plugins
  • Now processes can have titles
  • Added autocompletion
  • Added process/watcher age in the webui
  • Added SSH tunnel support
  • Now using pyzmq.green
  • Added upstart script & Varnish doc
  • Added environment variables & sections
  • Added unix sockets support
  • Added the respawn option to have single-run watchers
  • Now using tox in the tests
  • Allow socket substitution in args
  • New doc theme
  • New rotation options for streams: max_bytes/backup_count

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