def dryrun(data):
"""API endpoint at /landings/dryrun.
Returns a LandingAssessment for the given Revision ID.
"""
revision_id, diff_id = unmarshal_landing_request(data)
phab = g.phabricator
get_revision = lazy_get_revision(phab, revision_id)
get_latest_diff = lazy_get_latest_diff(phab, get_revision)
get_diff = lazy_get_diff(phab, diff_id, get_latest_diff)
get_diff_author = lazy_get_diff_author(get_diff)
get_latest_landed = lazy(Transplant.legacy_latest_landed)(revision_id)
get_repository = lazy_get_repository(phab, get_revision)
get_landing_repo = lazy_get_landing_repo(
get_repository, current_app.config.get('ENVIRONMENT')
)
get_open_parents = lazy_get_open_parents(phab, get_revision)
get_reviewers = lazy_get_reviewers(get_revision)
get_reviewer_info = lazy_reviewers_search(phab, get_reviewers)
get_reviewers_extra_state = lazy_get_reviewers_extra_state(
get_reviewers, get_diff
)
get_revision_status = lazy_get_revision_status(get_revision)
assessment = check_landing_conditions(
g.auth0_user,
revision_id,
diff_id,
get_revision,
get_latest_diff,
get_latest_landed,
get_repository,
get_landing_repo,
get_diff,
get_diff_author,
get_open_parents,
get_reviewers,
get_reviewer_info,
get_reviewers_extra_state,
get_revision_status,
)
return jsonify(assessment.to_dict())
def get(revision_id, diff_id=None):
"""Gets revision from Phabricator.
Args:
revision_id: (string) ID of the revision in 'D{number}' format
diff_id: (integer) Id of the diff to return with the revision. By
default the active diff will be returned.
"""
revision_id = revision_id_to_int(revision_id)
phab = g.phabricator
revision = phab.call_conduit(
'differential.revision.search',
constraints={'ids': [revision_id]},
attachments={
'reviewers': True,
'reviewers-extra': True,
}
)
revision = phab.single(revision, 'data', none_when_empty=True)
if revision is None:
return problem(
404,
'Revision not found',
'The requested revision does not exist',
type='https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404'
)
latest_diff = phab.single(
phab.call_conduit(
'differential.diff.search',
constraints={
'phids': [phab.expect(revision, 'fields', 'diffPHID')]
},
), 'data'
)
latest_diff_id = phab.expect(latest_diff, 'id')
if diff_id is not None and diff_id != latest_diff_id:
diff = phab.single(
phab.call_conduit(
'differential.diff.search', constraints={'ids': [diff_id]}
),
'data',
none_when_empty=True
)
else:
diff = latest_diff
if diff is None:
return problem(
404,
'Diff not found',
'The requested diff does not exist',
type='https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404'
)
revision_phid = phab.expect(revision, 'phid')
if phab.expect(diff, 'fields', 'revisionPHID') != revision_phid:
return problem(
400,
'Diff not related to the revision',
'The requested diff is not related to the requested revision.',
type='https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/400'
)
# TODO: remove when commit author information is available in
# the 'commits' attachment of 'differential.revision.search'.
diff_id = phab.expect(diff, 'id')
querydiffs_diff = phab.call_conduit(
'differential.querydiffs', ids=[diff_id]
)
querydiffs_diff = phab.expect(querydiffs_diff, str(diff_id))
author_phid = phab.expect(revision, 'fields', 'authorPHID')
# Immediately execute the lazy functions.
reviewers = lazy_get_reviewers(revision)()
users = lazy_user_search(phab, list(reviewers.keys()) + [author_phid])()
projects = lazy_project_search(phab, list(reviewers.keys()))()
accepted_reviewers = [
reviewer_identity(phid, users, projects).identifier
for phid, r in reviewers.items()
if r['status'] is ReviewerStatus.ACCEPTED
]
title = phab.expect(revision, 'fields', 'title')
summary = phab.expect(revision, 'fields', 'summary')
bug_id = phab.expect(revision, 'fields').get('bugzilla.bug-id')
bug_id = int(bug_id) if bug_id and not isinstance(bug_id, int) else None
human_revision_id = 'D{}'.format(revision_id)
revision_url = urllib.parse.urljoin(
current_app.config['PHABRICATOR_URL'], human_revision_id
)
commit_message_title, commit_message = format_commit_message(
title, bug_id, accepted_reviewers, summary, revision_url
)
reviewers_response = _render_reviewers_response(
reviewers, users, projects, phab.expect(diff, 'phid')
)
author_response = _render_author_response(author_phid, users)
diff_response = _render_diff_response(querydiffs_diff)
return {
'id': human_revision_id,
'phid': phab.expect(revision, 'phid'),
'bug_id': bug_id,
'title': title,
'url': revision_url,
'date_created': _epoch_to_isoformat_time(
phab.expect(revision, 'fields', 'dateCreated')
),
'date_modified': _epoch_to_isoformat_time(
phab.expect(revision, 'fields', 'dateModified')
),
'summary': summary,
'commit_message_title': commit_message_title,
'commit_message': commit_message,
'diff': diff_response,
'latest_diff_id': latest_diff_id,
'author': author_response,
'reviewers': reviewers_response,
}, 200 # yapf: disable
def post(data):
"""API endpoint at POST /landings to land revision."""
logger.info(
'landing requested by user',
extra={
'path': request.path,
'method': request.method,
'data': data,
}
)
revision_id, diff_id = unmarshal_landing_request(data)
confirmation_token = data.get('confirmation_token') or None
phab = g.phabricator
get_revision = lazy_get_revision(phab, revision_id)
get_latest_diff = lazy_get_latest_diff(phab, get_revision)
get_diff = lazy_get_diff(phab, diff_id, get_latest_diff)
get_diff_author = lazy_get_diff_author(get_diff)
get_latest_landed = lazy(Transplant.legacy_latest_landed)(revision_id)
get_repository = lazy_get_repository(phab, get_revision)
get_landing_repo = lazy_get_landing_repo(
get_repository, current_app.config.get('ENVIRONMENT')
)
get_open_parents = lazy_get_open_parents(phab, get_revision)
get_reviewers = lazy_get_reviewers(get_revision)
get_reviewer_info = lazy_reviewers_search(phab, get_reviewers)
get_reviewers_extra_state = lazy_get_reviewers_extra_state(
get_reviewers, get_diff
)
get_revision_status = lazy_get_revision_status(get_revision)
assessment = check_landing_conditions(
g.auth0_user,
revision_id,
diff_id,
get_revision,
get_latest_diff,
get_latest_landed,
get_repository,
get_landing_repo,
get_diff,
get_diff_author,
get_open_parents,
get_reviewers,
get_reviewer_info,
get_reviewers_extra_state,
get_revision_status,
short_circuit=True,
)
assessment.raise_if_blocked_or_unacknowledged(confirmation_token)
if assessment.warnings:
# Log any warnings that were acknowledged, for auditing.
logger.info(
'Landing with acknowledged warnings is being requested',
extra={
'revision_id': revision_id,
'warnings': [w.serialize() for w in assessment.warnings],
}
)
# These are guaranteed to return proper data since we're
# running after checking_landing_conditions().
revision = get_revision()
landing_repo = get_landing_repo()
author_name, author_email = get_diff_author()
# Collect the usernames of reviewers who have accepted.
reviewers = get_reviewers()
users, projects = get_reviewer_info()
accepted_reviewers = [
reviewer_identity(phid, users, projects).identifier
for phid, r in reviewers.items()
if r['status'] is ReviewerStatus.ACCEPTED
]
# Seconds since Unix Epoch, UTC.
date_modified = phab.expect(revision, 'fields', 'dateModified')
title = phab.expect(revision, 'fields', 'title')
summary = phab.expect(revision, 'fields', 'summary')
bug_id = get_bugzilla_bug(revision)
human_revision_id = 'D{}'.format(revision_id)
revision_url = urllib.parse.urljoin(
current_app.config['PHABRICATOR_URL'], human_revision_id
)
commit_message = format_commit_message(
title, bug_id, accepted_reviewers, summary, revision_url
)
# Construct the patch that will be sent to transplant.
raw_diff = phab.call_conduit('differential.getrawdiff', diffID=diff_id)
patch = build_patch_for_revision(
raw_diff, author_name, author_email, commit_message[1], date_modified
)
# Upload the patch to S3
patch_url = upload(
revision_id,
diff_id,
patch,
current_app.config['PATCH_BUCKET_NAME'],
aws_access_key=current_app.config['AWS_ACCESS_KEY'],
aws_secret_key=current_app.config['AWS_SECRET_KEY'],
)
trans = TransplantClient(
current_app.config['TRANSPLANT_URL'],
current_app.config['TRANSPLANT_USERNAME'],
current_app.config['TRANSPLANT_PASSWORD'],
)
submitted_assessment = LandingAssessment(
blockers=[
LandingInProgress(
'This revision was submitted for landing by another user at '
'the same time.'
)
]
)
ldap_username = g.auth0_user.email
try:
# WARNING: Entering critical section, do not add additional
# code unless absolutely necessary. Acquires a lock on the
# transplants table which gives exclusive write access and
# prevents readers who are entering this critical section.
# See https://www.postgresql.org/docs/9.3/static/explicit-locking.html
# for more details on the specifics of the lock mode.
with db.session.begin_nested():
db.session.execute(
'LOCK TABLE transplants IN SHARE ROW EXCLUSIVE MODE;'
)
if Transplant.is_revision_submitted(revision_id):
submitted_assessment.raise_if_blocked_or_unacknowledged(None)
transplant_request_id = trans.land(
revision_id=revision_id,
ldap_username=ldap_username,
patch_urls=[patch_url],
tree=landing_repo.tree,
pingback=current_app.config['PINGBACK_URL'],
push_bookmark=landing_repo.push_bookmark
)
transplant = Transplant(
request_id=transplant_request_id,
revision_to_diff_id={str(revision_id): diff_id},
revision_order=[str(revision_id)],
requester_email=ldap_username,
tree=landing_repo.tree,
repository_url=landing_repo.url,
status=TransplantStatus.submitted
)
db.session.add(transplant)
except TransplantError as exc:
logger.info(
'error creating transplant',
extra={'revision': revision_id},
exc_info=exc
)
return problem(
502,
'Landing not created',
'The requested revision does exist, but landing failed.'
'Please retry your request at a later time.',
type='https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/502'
)
# Transaction succeeded, commit the session.
db.session.commit()
logger.info(
'transplant created',
extra={
'revision_id': revision_id,
'transplant_id': transplant.id,
}
)
return {'id': transplant.id}, 202