The Gatekeeper, or a project gating system
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#!/usr/bin/env python
# Copyright 2012 Hewlett-Packard Development Company, L.P.
# Copyright 2014 Wikimedia Foundation 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 logging
import os
import shutil
import git
import zuul.lib.cloner
from tests.base import ZuulTestCase
from tests.base import FIXTURE_DIR
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(name)-32s '
'%(levelname)-8s %(message)s')
class TestCloner(ZuulTestCase):
log = logging.getLogger("zuul.test.cloner")
workspace_root = None
def setUp(self):
super(TestCloner, self).setUp()
self.workspace_root = os.path.join(self.test_root, 'workspace')
self.config.set('zuul', 'layout_config',
'tests/fixtures/layout-cloner.yaml')
self.sched.reconfigure(self.config)
self.registerJobs()
def getWorkspaceRepos(self, projects):
repos = {}
for project in projects:
repos[project] = git.Repo(
os.path.join(self.workspace_root, project))
return repos
def getUpstreamRepos(self, projects):
repos = {}
for project in projects:
repos[project] = git.Repo(
os.path.join(self.upstream_root, project))
return repos
def test_cache_dir(self):
projects = ['org/project1', 'org/project2']
cache_root = os.path.join(self.test_root, "cache")
for project in projects:
upstream_repo_path = os.path.join(self.upstream_root, project)
cache_repo_path = os.path.join(cache_root, project)
git.Repo.clone_from(upstream_repo_path, cache_repo_path)
self.worker.hold_jobs_in_build = True
A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
A.addApproval('CRVW', 2)
self.fake_gerrit.addEvent(A.addApproval('APRV', 1))
self.waitUntilSettled()
self.assertEquals(1, len(self.builds), "One build is running")
B = self.fake_gerrit.addFakeChange('org/project2', 'master', 'B')
B.setMerged()
upstream = self.getUpstreamRepos(projects)
states = [
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
},
]
for number, build in enumerate(self.builds):
self.log.debug("Build parameters: %s", build.parameters)
cloner = zuul.lib.cloner.Cloner(
git_base_url=self.upstream_root,
projects=projects,
workspace=self.workspace_root,
zuul_branch=build.parameters['ZUUL_BRANCH'],
zuul_ref=build.parameters['ZUUL_REF'],
zuul_url=self.git_root,
cache_dir=cache_root,
)
cloner.execute()
work = self.getWorkspaceRepos(projects)
state = states[number]
for project in projects:
self.assertEquals(state[project],
str(work[project].commit('HEAD')),
'Project %s commit for build %s should '
'be correct' % (project, number))
work = self.getWorkspaceRepos(projects)
upstream_repo_path = os.path.join(self.upstream_root, 'org/project1')
self.assertEquals(work['org/project1'].remotes.origin.url,
upstream_repo_path,
'workspace repo origin should be upstream, not cache')
self.worker.hold_jobs_in_build = False
self.worker.release()
self.waitUntilSettled()
def test_one_branch(self):
self.worker.hold_jobs_in_build = True
projects = ['org/project1', 'org/project2']
A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
B = self.fake_gerrit.addFakeChange('org/project2', 'master', 'B')
A.addApproval('CRVW', 2)
B.addApproval('CRVW', 2)
self.fake_gerrit.addEvent(A.addApproval('APRV', 1))
self.fake_gerrit.addEvent(B.addApproval('APRV', 1))
self.waitUntilSettled()
self.assertEquals(2, len(self.builds), "Two builds are running")
upstream = self.getUpstreamRepos(projects)
states = [
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[1].parameters['ZUUL_COMMIT'],
},
]
for number, build in enumerate(self.builds):
self.log.debug("Build parameters: %s", build.parameters)
cloner = zuul.lib.cloner.Cloner(
git_base_url=self.upstream_root,
projects=projects,
workspace=self.workspace_root,
zuul_branch=build.parameters['ZUUL_BRANCH'],
zuul_ref=build.parameters['ZUUL_REF'],
zuul_url=self.git_root,
)
cloner.execute()
work = self.getWorkspaceRepos(projects)
state = states[number]
for project in projects:
self.assertEquals(state[project],
str(work[project].commit('HEAD')),
'Project %s commit for build %s should '
'be correct' % (project, number))
shutil.rmtree(self.workspace_root)
self.worker.hold_jobs_in_build = False
self.worker.release()
self.waitUntilSettled()
def test_multi_branch(self):
self.worker.hold_jobs_in_build = True
projects = ['org/project1', 'org/project2',
'org/project3', 'org/project4']
self.create_branch('org/project2', 'stable/havana')
self.create_branch('org/project4', 'stable/havana')
A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
B = self.fake_gerrit.addFakeChange('org/project2', 'stable/havana', 'B')
C = self.fake_gerrit.addFakeChange('org/project3', 'master', 'C')
A.addApproval('CRVW', 2)
B.addApproval('CRVW', 2)
C.addApproval('CRVW', 2)
self.fake_gerrit.addEvent(A.addApproval('APRV', 1))
self.fake_gerrit.addEvent(B.addApproval('APRV', 1))
self.fake_gerrit.addEvent(C.addApproval('APRV', 1))
self.waitUntilSettled()
self.assertEquals(3, len(self.builds), "Three builds are running")
upstream = self.getUpstreamRepos(projects)
states = [
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].
commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].
commit('stable/havana')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
'org/project3': self.builds[2].parameters['ZUUL_COMMIT'],
'org/project4': str(upstream['org/project4'].
commit('master')),
},
]
for number, build in enumerate(self.builds):
self.log.debug("Build parameters: %s", build.parameters)
cloner = zuul.lib.cloner.Cloner(
git_base_url=self.upstream_root,
projects=projects,
workspace=self.workspace_root,
zuul_branch=build.parameters['ZUUL_BRANCH'],
zuul_ref=build.parameters['ZUUL_REF'],
zuul_url=self.git_root,
)
cloner.execute()
work = self.getWorkspaceRepos(projects)
state = states[number]
for project in projects:
self.assertEquals(state[project],
str(work[project].commit('HEAD')),
'Project %s commit for build %s should '
'be correct' % (project, number))
shutil.rmtree(self.workspace_root)
self.worker.hold_jobs_in_build = False
self.worker.release()
self.waitUntilSettled()
def test_upgrade(self):
# Simulates an upgrade test
self.worker.hold_jobs_in_build = True
projects = ['org/project1', 'org/project2', 'org/project3',
'org/project4', 'org/project5', 'org/project6']
self.create_branch('org/project2', 'stable/havana')
self.create_branch('org/project3', 'stable/havana')
self.create_branch('org/project4', 'stable/havana')
self.create_branch('org/project5', 'stable/havana')
A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
B = self.fake_gerrit.addFakeChange('org/project2', 'master', 'B')
C = self.fake_gerrit.addFakeChange('org/project3', 'stable/havana', 'C')
D = self.fake_gerrit.addFakeChange('org/project3', 'master', 'D')
E = self.fake_gerrit.addFakeChange('org/project4', 'stable/havana', 'E')
A.addApproval('CRVW', 2)
B.addApproval('CRVW', 2)
C.addApproval('CRVW', 2)
D.addApproval('CRVW', 2)
E.addApproval('CRVW', 2)
self.fake_gerrit.addEvent(A.addApproval('APRV', 1))
self.fake_gerrit.addEvent(B.addApproval('APRV', 1))
self.fake_gerrit.addEvent(C.addApproval('APRV', 1))
self.fake_gerrit.addEvent(D.addApproval('APRV', 1))
self.fake_gerrit.addEvent(E.addApproval('APRV', 1))
self.waitUntilSettled()
self.assertEquals(5, len(self.builds), "Five builds are running")
# Check the old side of the upgrade first
upstream = self.getUpstreamRepos(projects)
states = [
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('stable/havana')),
'org/project3': str(upstream['org/project3'].commit('stable/havana')),
'org/project4': str(upstream['org/project4'].commit('stable/havana')),
'org/project5': str(upstream['org/project5'].commit('stable/havana')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('stable/havana')),
'org/project3': str(upstream['org/project3'].commit('stable/havana')),
'org/project4': str(upstream['org/project4'].commit('stable/havana')),
'org/project5': str(upstream['org/project5'].commit('stable/havana')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('stable/havana')),
'org/project3': self.builds[2].parameters['ZUUL_COMMIT'],
'org/project4': str(upstream['org/project4'].commit('stable/havana')),
'org/project5': str(upstream['org/project5'].commit('stable/havana')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('stable/havana')),
'org/project3': self.builds[2].parameters['ZUUL_COMMIT'],
'org/project4': str(upstream['org/project4'].commit('stable/havana')),
'org/project5': str(upstream['org/project5'].commit('stable/havana')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('stable/havana')),
'org/project3': self.builds[2].parameters['ZUUL_COMMIT'],
'org/project4': self.builds[4].parameters['ZUUL_COMMIT'],
'org/project5': str(upstream['org/project5'].commit('stable/havana')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
]
for number, build in enumerate(self.builds):
self.log.debug("Build parameters: %s", build.parameters)
change_number = int(build.parameters['ZUUL_CHANGE'])
cloner = zuul.lib.cloner.Cloner(
git_base_url=self.upstream_root,
projects=projects,
workspace=self.workspace_root,
zuul_branch=build.parameters['ZUUL_BRANCH'],
zuul_ref=build.parameters['ZUUL_REF'],
zuul_url=self.git_root,
branch='stable/havana', # Old branch for upgrade
)
cloner.execute()
work = self.getWorkspaceRepos(projects)
state = states[number]
for project in projects:
self.assertEquals(state[project],
str(work[project].commit('HEAD')),
'Project %s commit for build %s should '
'be correct on old side of upgrade' %
(project, number))
shutil.rmtree(self.workspace_root)
# Check the new side of the upgrade
states = [
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project3': self.builds[3].parameters['ZUUL_COMMIT'],
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project3': self.builds[3].parameters['ZUUL_COMMIT'],
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
]
for number, build in enumerate(self.builds):
self.log.debug("Build parameters: %s", build.parameters)
change_number = int(build.parameters['ZUUL_CHANGE'])
cloner = zuul.lib.cloner.Cloner(
git_base_url=self.upstream_root,
projects=projects,
workspace=self.workspace_root,
zuul_branch=build.parameters['ZUUL_BRANCH'],
zuul_ref=build.parameters['ZUUL_REF'],
zuul_url=self.git_root,
branch='master', # New branch for upgrade
)
cloner.execute()
work = self.getWorkspaceRepos(projects)
state = states[number]
for project in projects:
self.assertEquals(state[project],
str(work[project].commit('HEAD')),
'Project %s commit for build %s should '
'be correct on old side of upgrade' %
(project, number))
shutil.rmtree(self.workspace_root)
self.worker.hold_jobs_in_build = False
self.worker.release()
self.waitUntilSettled()
def test_project_override(self):
self.worker.hold_jobs_in_build = True
projects = ['org/project1', 'org/project2', 'org/project3',
'org/project4', 'org/project5', 'org/project6']
self.create_branch('org/project3', 'stable/havana')
self.create_branch('org/project4', 'stable/havana')
self.create_branch('org/project6', 'stable/havana')
A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
B = self.fake_gerrit.addFakeChange('org/project1', 'master', 'B')
C = self.fake_gerrit.addFakeChange('org/project2', 'master', 'C')
D = self.fake_gerrit.addFakeChange('org/project3', 'stable/havana', 'D')
A.addApproval('CRVW', 2)
B.addApproval('CRVW', 2)
C.addApproval('CRVW', 2)
D.addApproval('CRVW', 2)
self.fake_gerrit.addEvent(A.addApproval('APRV', 1))
self.fake_gerrit.addEvent(B.addApproval('APRV', 1))
self.fake_gerrit.addEvent(C.addApproval('APRV', 1))
self.fake_gerrit.addEvent(D.addApproval('APRV', 1))
self.waitUntilSettled()
self.assertEquals(4, len(self.builds), "Four builds are running")
upstream = self.getUpstreamRepos(projects)
states = [
{'org/project1': self.builds[0].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project2': str(upstream['org/project2'].commit('master')),
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[2].parameters['ZUUL_COMMIT'],
'org/project3': str(upstream['org/project3'].commit('master')),
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('master')),
},
{'org/project1': self.builds[1].parameters['ZUUL_COMMIT'],
'org/project2': self.builds[2].parameters['ZUUL_COMMIT'],
'org/project3': self.builds[3].parameters['ZUUL_COMMIT'],
'org/project4': str(upstream['org/project4'].commit('master')),
'org/project5': str(upstream['org/project5'].commit('master')),
'org/project6': str(upstream['org/project6'].commit('stable/havana')),
},
]
for number, build in enumerate(self.builds):
self.log.debug("Build parameters: %s", build.parameters)
change_number = int(build.parameters['ZUUL_CHANGE'])
cloner = zuul.lib.cloner.Cloner(
git_base_url=self.upstream_root,
projects=projects,
workspace=self.workspace_root,
zuul_branch=build.parameters['ZUUL_BRANCH'],
zuul_ref=build.parameters['ZUUL_REF'],
zuul_url=self.git_root,
project_branches={'org/project4': 'master'},
)
cloner.execute()
work = self.getWorkspaceRepos(projects)
state = states[number]
for project in projects:
self.assertEquals(state[project],
str(work[project].commit('HEAD')),
'Project %s commit for build %s should '
'be correct' % (project, number))
shutil.rmtree(self.workspace_root)
self.worker.hold_jobs_in_build = False
self.worker.release()
self.waitUntilSettled()