The Gatekeeper, or a project gating system
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# Copyright 2016 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import os
import time
import yaml
from tests.base import ZuulTestCase, simple_layout
class TestGitDriver(ZuulTestCase):
config_file = 'zuul-git-driver.conf'
tenant_config_file = 'config/git-driver/main.yaml'
def setUp(self):
super(TestGitDriver, self).setUp()
self.git_connection = self.scheds.first.sched.connections\
.getSource('git').connection
def setup_config(self, config_file: str):
config = super(TestGitDriver, self).setup_config(config_file)
config.set('connection git', 'baseurl', self.upstream_root)
return config
def test_basic(self):
tenant = self.scheds.first.sched.abide.tenants.get('tenant-one')
# Check that we have the git source for common-config and the
# gerrit source for the project.
self.assertEqual('git', tenant.config_projects[0].source.name)
self.assertEqual('common-config', tenant.config_projects[0].name)
self.assertEqual('gerrit', tenant.untrusted_projects[0].source.name)
self.assertEqual('org/project', tenant.untrusted_projects[0].name)
# The configuration for this test is accessed via the git
# driver (in common-config), rather than the gerrit driver, so
# if the job runs, it worked.
A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
self.waitUntilSettled()
self.assertEqual(len(self.history), 1)
self.assertEqual(A.reported, 1)
def test_config_refreshed(self):
A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
self.waitUntilSettled()
self.assertEqual(len(self.history), 1)
self.assertEqual(A.reported, 1)
self.assertEqual(self.history[0].name, 'project-test1')
# Update zuul.yaml to force a tenant reconfiguration
path = os.path.join(self.upstream_root, 'common-config', 'zuul.yaml')
config = yaml.safe_load(open(path, 'r').read())
change = {
'name': 'org/project',
'check': {
'jobs': [
'project-test2'
]
}
}
config[4]['project'] = change
files = {'zuul.yaml': yaml.dump(config)}
self.addCommitToRepo(
'common-config', 'Change zuul.yaml configuration', files)
# Wait for the tenant reconfiguration to happen
count = self.waitForEvent()
self.waitUntilSettled()
A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
self.waitUntilSettled()
self.assertEqual(len(self.history), 2)
self.assertEqual(A.reported, 1)
# We make sure the new job has run
self.assertEqual(self.history[1].name, 'project-test2')
# Let's stop the git Watcher to let us merge some changes commits
# We want to verify that config changes are detected for commits
# on the range oldrev..newrev
self.scheds.first.sched.connections.getSource('git').connection\
.watcher_thread._pause = True
# Add a config change
change = {
'name': 'org/project',
'check': {
'jobs': [
'project-test1'
]
}
}
config[4]['project'] = change
files = {'zuul.yaml': yaml.dump(config)}
self.addCommitToRepo(
'common-config', 'Change zuul.yaml configuration', files)
# Add two other changes
self.addCommitToRepo(
'common-config', 'Adding f1',
{'f1': "Content"})
self.addCommitToRepo(
'common-config', 'Adding f2',
{'f2': "Content"})
# Restart the git watcher
self.scheds.first.sched.connections.getSource('git').connection\
.watcher_thread._pause = False
# Wait for the tenant reconfiguration to happen
self.waitForEvent(count)
self.waitUntilSettled()
A = self.fake_gerrit.addFakeChange('org/project', 'master', 'A')
self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
self.waitUntilSettled()
self.assertEqual(len(self.history), 3)
self.assertEqual(A.reported, 1)
# We make sure the new job has run
self.assertEqual(self.history[2].name, 'project-test1')
def ensure_watcher_has_context(self):
# Make sure watcher have read initial refs shas
delay = 0.1
max_delay = 1
while not self.git_connection.watcher_thread.projects_refs:
time.sleep(delay)
max_delay -= delay
if max_delay <= 0:
raise Exception("Timeout waiting for initial read")
return self.git_connection.watcher_thread._event_count
def waitForEvent(self, initial_count=0):
delay = 0.1
max_delay = 5
while self.git_connection.watcher_thread._event_count <= initial_count:
time.sleep(delay)
max_delay -= delay
if max_delay <= 0:
raise Exception("Timeout waiting for event")
return self.git_connection.watcher_thread._event_count
@simple_layout('layouts/basic-git.yaml', driver='git')
def test_ref_updated_event(self):
count = self.ensure_watcher_has_context()
# Add a commit to trigger a ref-updated event
self.addCommitToRepo(
'org/project', 'A change for ref-updated', {'f1': 'Content'})
# Wait for the git watcher to detect the ref-update event
self.waitForEvent(count)
self.waitUntilSettled()
self.assertEqual(len(self.history), 1)
self.assertEqual('SUCCESS',
self.getJobFromHistory('post-job').result)
@simple_layout('layouts/basic-git.yaml', driver='git')
def test_ref_created(self):
count = self.ensure_watcher_has_context()
# Tag HEAD to trigger a ref-updated event
self.addTagToRepo(
'org/project', 'atag', 'HEAD')
# Wait for the git watcher to detect the ref-update event
self.waitForEvent(count)
self.waitUntilSettled()
self.assertEqual(len(self.history), 1)
self.assertEqual('SUCCESS',
self.getJobFromHistory('tag-job').result)
@simple_layout('layouts/basic-git.yaml', driver='git')
def test_ref_deleted(self):
count = self.ensure_watcher_has_context()
# Delete default tag init to trigger a ref-updated event
self.delTagFromRepo(
'org/project', 'init')
# Wait for the git watcher to detect the ref-update event
self.waitForEvent(count)
self.waitUntilSettled()
# Make sure no job as run as ignore-delete is True by default
self.assertEqual(len(self.history), 0)