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Daniel Corbett e2370307be CONTRIB: release-estimator: Add release estimating tool

This tool monitors the HAProxy stable branches and calculates a proposed
release date for the next minor release based on the bug fixes that are in
the queue.

Print only:
    ./release-estimator.py --print

Send email:
    ./release-estimator.py --send-mail --from-email from@domain.local --to-email to@domain.local

See contrib/release-estimator/README.md for details.

2020-10-24 12:27:17 +02:00

2.1 KiB

Raw Blame History

Release Estimator

This tool monitors the HAProxy stable branches and calculates a proposed release date for the next minor release based on the bug fixes that are in the queue.

Requirements

Python 3.x
lxml

Usage

release-estimator.py [-h] [--print] [--to-email TO_EMAIL]
                           [--from-email FROM_EMAIL] [--send-mail]

optional arguments:
  -h, --help            show this help message and exit
  --print               Print email only
  --to-email TO_EMAIL   Send email to <email>
  --from-email FROM_EMAIL
                        Send email from <email>
  --send-mail           Send email

Examples

Print only:

./release-estimator.py --print

Send email:

./release-estimator.py --send-mail --from-email from@domain.local --to-email to@domain.local

How it works

For each version we check the age and apply the following logic:

Skip the release if it's:
- older than MAX_VERSION_AGE
- older than MAX_VERSION_AGE_NONLTS days and an odd numbered release (1.9,2.1,2.3)
For all other valid releases we will then collect the number of bug fixes in queue for each of the defined severity levels:
- BUG
- BUILD
- MINOR
- MEDIUM
- MAJOR
- CRITICAL
We'll then begin calculating the proposed release date based on the last release date plus the first commit date of the first bug fix for the defined severity level.

By default the proposed release dates use the following padding: (Can be modified in THRESHOLDS)
- BUG/BUILD/MINOR - 28 days
- MEDIUM - 30 days
- MAJOR - 14 days
- CRITICAL - 2 days
After we have a proposed release date we will assign a release urgency to it. As we get closer to the proposed release date the urgency level changes. By default the urgency levels and their times are:
- WARNING - proposed date is 7 days or less
- NOTICE - proposed date is 21 days or less
- INFO - proposed date is longer than the above

2.1 KiB Raw Blame History