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#!/usr/bin/env python
"""Script to gather information about how tags are used in evergreen tasks."""
from __future__ import absolute_import
from __future__ import print_function
import argparse
import os
import sys
# Get relative imports to work when the package is not installed on the PYTHONPATH.
if __name__ == "__main__" and __package__ is None:
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from buildscripts.ciconfig import evergreen # pylint: disable=wrong-import-position
DEFAULT_EVERGREEN_FILE = "etc/evergreen.yml"
def parse_command_line():
"""Parse command line options."""
parser = argparse.ArgumentParser(description=main.__doc__)
parser.add_argument("--list-tags", action="store_true", default=False,
help="List all tags used by tasks in evergreen yml.")
parser.add_argument("--tasks-for-tag", type=str, default=None,
help="List all tasks that use the given tag.")
parser.add_argument("--evergreen-file", type=str, default=DEFAULT_EVERGREEN_FILE,
help="Location of evergreen file.")
options = parser.parse_args()
return options
def get_all_task_tags(evg_config):
"""Get all task tags used in the evergreen configuration."""
if evg_config.tasks:
return sorted(set.union(*[task.tags for task in evg_config.tasks]))
return set()
def list_all_tags(evg_config):
"""
Print all task tags found in the evergreen configuration.
:param evg_config: evergreen configuration.
"""
all_tags = get_all_task_tags(evg_config)
for tag in all_tags:
print(tag)
def get_tasks_with_tag(evg_config, tag):
"""
Get all tasks marked with the given tag in the evergreen configuration.
:param evg_config: evergreen configuration.
:param tag: tag to search for.
:return: list of tasks marked with the given tag.
"""
return sorted([task.name for task in evg_config.tasks if tag in task.tags])
def list_tasks_with_tag(evg_config, tag):
"""
Print all tasks that are marked with the given tag.
:param evg_config: evergreen configuration.
:param tag: tag to search for.
"""
task_list = get_tasks_with_tag(evg_config, tag)
for task in task_list:
print(task)
def main():
"""Gather information about how tags are used in evergreen tasks."""
options = parse_command_line()
evg_config = evergreen.parse_evergreen_file(options.evergreen_file)
if options.list_tags:
list_all_tags(evg_config)
if options.tasks_for_tag:
list_tasks_with_tag(evg_config, options.tasks_for_tag)
if __name__ == "__main__":
main()
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