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github-actions: Use stratergy and if to deduplicate steps.
This is a fine solution short-term until github implements the
yaml anchors support. The limitation of this method is that we
cannot re-use most of the steps again for production install test
builds.
Thanks, Anders for this solution.
Verifying everything is migrated correctly is a pain. This script
ensures everything is done correctly (previous commit message
contains explainations for the steps being ignored if; in case
of github-actions steps they are ignored because they are actions
specific):
"""
This script prints out the ignore steps first. Then
prints out each step of both circle and actions side-by-side.
One step is out of order for bionic but verfying correction is
still easier. Format:
Actions: Install dependencies
Circle CI: install dependencies
....
"""
import yaml
with open('.circleci/config.yml') as f:
circleci_config = yaml.safe_load(f)
with open('.github/workflows/zulip-ci.yml') as f:
actions_config = yaml.safe_load(f)
circle_bionic_steps = []
circle_focal_steps = []
actions_bionic_steps = []
actions_focal_steps = []
"""
We ignore casper artifact upload, save_cache, and
store_tests_reports steps.
"""
def get_circleci_steps(job, arr):
for step in circleci_config['jobs'][job]['steps']:
if isinstance(step, str):
arr.append(step)
continue
step_name = step.get('run', {}).get('name', False)
if not step_name:
if step.get('restore_cache'):
key = step['restore_cache']['keys'][0].split('.')[0]
step_name = f'<restore-cache> {key}'
elif step.get('store_artifacts', False):
destination = step['store_artifacts']['destination']
step_name = f'<store-artificats> {destination}'
if destination == 'casper':
\# This is no longer needed
print('Ignoring step:')
print(step)
print()
continue
else:
"""
We don't care about save_cache; github-actions
does this automatically, and store_tests_reports
is circelci timing specific.
"""
print('Ignoring step:')
print(step)
print()
continue
if step_name != 'On fail':
arr.append(step_name)
get_circleci_steps('bionic-backend-frontend', circle_bionic_steps)
get_circleci_steps('focal-backend', circle_focal_steps)
""" We ignore there steps specific to github-actions"""
for step in actions_config['jobs']['focal_bionic']['steps']:
BOTH_OS = 'BOTH_OS'
if_check = step.get('if', BOTH_OS)
step_name = step.get('name')
if step_name is None:
step_name = step['uses']
if (
step_name == 'Upgrade git for bionic' or
step_name == 'Add required permissions' or
step_name == 'Move test reports to var'
):
print('Ignoring step:')
print(step)
print()
"""These are github-actions specific; see comments"""
continue
if if_check == BOTH_OS:
actions_bionic_steps.append(step_name)
actions_focal_steps.append(step_name)
elif 'is_bionic' in if_check:
actions_bionic_steps.append(step_name)
else:
actions_focal_steps.append(step_name)
bionic = zip(circle_bionic_steps, actions_bionic_steps)
focal = zip(circle_focal_steps, actions_focal_steps)
print('Bionic steps:')
for (circle_step, actions_step) in bionic:
print(f'CircleCI: {circle_step}')
print(f'Actions: {actions_step}')
print()
print('Focal steps:')
for (circle_step, actions_step) in focal:
print(f'CircleCI: {circle_step}')
print(f'Actions: {actions_step}')
print()- Loading branch information
