locust

• Fix version in Docker builds
• Automated change log generation is broken. Will fix this later, but until then you can look here: https://github.com/locustio/locust/compare/2.2.1...2.2.2

PR #1871 Disable setting custom parameters of None or boolean type in web UI. Fixes #1870

• Display locustfile and tasks ratio information on index.html
• Add --autostart and --autoquit parameters (https://github.com/locustio/locust/pull/1864)
• Add constant_throughput wait time (the inverse of constant_pacing)
• Alternative way to rename requests (particularly useful when using an SDK that wraps requests) (https://github.com/locustio/locust/pull/1858)
• Add --equal-weights flag (https://github.com/locustio/locust/pull/1842)
• HttpUser: Unpack known exceptions
• Various charting fixes
• Add FastHttpUser directly under locust package
• Auto-generate Locust's version number using setuptools_scm and git tags
• Show custom arguments in web ui and forward them to worker (https://github.com/locustio/locust/pull/1841)

• Fix docker builds (2.0 final never got pushed to Docker Hub)
• Bump dependency on pyzmq to fix out of memory issue on Windows
• Use 1 as default for user count and spawn rate in web UI start form
• Various documentation updates

Time for a new major version!

This release contains changes that could break/change the behaviour of some existing locust files (but probably not many).

User ramp up/down and User type selection is now controlled by the master instead of autonomously by the workers

This has allowed us to fix some issues with incorrect/skewed User type selection and undesired stepping of ramp up. The issues were especially visible when running many workers and/or using LoadShape:s. This change also allows redistribution of Users if a worker disconnects during a test. This is a major change internally in Locust so please let us know if you encounter any problems (particularly regarding ramp up pace, User distribution, CPU usage on master, etc)

Other potentially breaking API changes

• Change the default User weight to 1 instead of 10 (the old default made no sense)
• Fire test_start and test_stop events on workers too (previously they were only fired on master/standalone instances)
• Workers now send their version number to master. Master will warn about version differences, and pre 2.0-versions will not be allowed to connect at all (because they would not work anyway)
• Update Flask dependency to 2.0

Significant merged PR:s (and prerelease version they were introduced in)

• Allow workers to bypass version check by sending -1 as version (2.0.0) https://github.com/locustio/locust/pull/1830
• Improve logging messages and clean up code after dispatch refactoring (2.0.0b4) https://github.com/locustio/locust/pull/1826
• Remove user_classes_count from heartbeat payload (2.0.0b4) https://github.com/locustio/locust/pull/1825
• Add option to set concurrency of FastHttpUser/Session (2.0.0b3) https://github.com/locustio/locust/pull/1812/
• Fire test_start and test_stop events on worker nodes (2.0.0b3) https://github.com/locustio/locust/pull/1777/
• Auto shrink request stats table to fit terminal (2.0.0b2) https://github.com/locustio/locust/pull/1811
• Refactoring of the dispatch logic to improve performance (2.0.0b2) https://github.com/locustio/locust/pull/1809
• Check version of workers when they connect. Warn if there is a mismatch, refuse 1.x workers to connect (2.0.0b1) https://github.com/locustio/locust/pull/1805
• Change the default User weight to 1 instead of 10 (2.0.0b1) https://github.com/locustio/locust/pull/1803
• Upgrade to Flask 2 (2.0.0b1) https://github.com/locustio/locust/pull/1764
• Move User selection responsibility from worker to master in order to fix unbalanced distribution of users and uneven ramp-up (2.0.0b0) https://github.com/locustio/locust/pull/1621

• Improve logging messages and clean up code after dispatch refactoring (2.0.0b4) https://github.com/locustio/locust/pull/1826
• Remove user_classes_count from heartbeat payload (2.0.0b4) https://github.com/locustio/locust/pull/1825

• Fire test_start and test_stop events on worker nodes #1777 (nathan-beam)
• Add option to set concurrency of FastHttpUser/Session #1812 (soitinj)

• Auto shrink request stats table to fit terminal https://github.com/locustio/locust/pull/1811
• Refactoring of the dispatch logic to improve performance https://github.com/locustio/locust/pull/1809

• Check version of workers when they connect. Warn if there is a mismatch, refuse 1.x workers to connect https://github.com/locustio/locust/pull/1805 (2.0.0b1)
• Change the default User weight to 1 instead of 10 https://github.com/locustio/locust/pull/1803 (2.0.0b1)
• Upgrade to flask 2 https://github.com/locustio/locust/pull/1764 (2.0.0b1)
• Move User selection responsibility from worker to master in order to fix unbalanced distribution of users and uneven ramp-up https://github.com/locustio/locust/pull/1621 (2.0.0b0)

• Move User selection responsibility from worker to master in order to fix unbalanced distribution of users and uneven ramp-up https://github.com/locustio/locust/pull/1621 (2.0.0b0)

• Allow cross process communication using custom messages https://github.com/locustio/locust/pull/1782
• Fix: status "stopped" instead of "spawning", tick() method of LoadShape called only once https://github.com/locustio/locust/pull/1769
• Other small fixes (see https://github.com/locustio/locust/blob/master/CHANGELOG.md)

• Fix an issue with custom Users calling request_success/_failure.fire() not being added to statistics https://github.com/locustio/locust/pull/1761 (that event was deprecated 1.5.0, but will work again now)

• Pin version of flask to 1.1.2, fixing "KeyError: 'extensions'" https://github.com/locustio/locust/issues/1759
• Fix issue with GRPC compatibility and add GRPC example to documentation https://github.com/locustio/locust/pull/1755
• Use time.perf_counter() to calculate elapsed times everywhere, should only matter for Windows https://github.com/locustio/locust/pull/1758

• Fixed a minor issue with 1.5.0 where an extra parameter (start_time) was passed to request event https://github.com/locustio/locust/pull/1754

Updated request event with context and deprecate request_failure/success #1750
Add response object to request event #1752

• Ensure runner.quit finishes even when users are broken https://github.com/locustio/locust/pull/1728
• Make runner / user count available to LoadTestShape https://github.com/locustio/locust/pull/1719
• Other small fixes

Merged pull requests:

• fix stats values for chart tooltips #1691 (aek)

• Multiple improvements for charting including tooltips etc
• Added –html option to save HTML report https://github.com/locustio/locust/pull/1637
• Lots of other small fixes

• Fix 100% cpu usage when running in docker/non-tty terminal https://github.com/locustio/locust/issues/1629

• You can now control user count from terminal while the test is running https://github.com/locustio/locust/pull/1612
• Infinite run time is now the default for command line runs https://github.com/locustio/locust/pull/1625
• wait_time now defaults to zero (instead of giving an error) https://github.com/locustio/locust/pull/1626