597 lines
25 KiB
Python
Executable File
597 lines
25 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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# Copyright 2014 Wikimedia Foundation Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import time
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from unittest import mock
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import zuul.executor.server
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import zuul.model
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from tests.base import ZuulTestCase, simple_layout, iterate_timeout
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from zuul.executor.sensors.startingbuilds import StartingBuildsSensor
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class TestExecutorRepos(ZuulTestCase):
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tenant_config_file = 'config/single-tenant/main.yaml'
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log = logging.getLogger("zuul.test.executor")
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def assertRepoState(self, repo, state, project, build, number):
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if 'branch' in state:
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self.assertFalse(repo.head.is_detached,
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'Project %s commit for build %s #%s should '
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'not have a detached HEAD' % (
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project, build, number))
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self.assertEqual(repo.active_branch.name,
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state['branch'],
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'Project %s commit for build %s #%s should '
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'be on the correct branch' % (
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project, build, number))
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# Remote 'origin' needs to be kept intact with a bogus URL
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self.assertEqual(repo.remotes.origin.url, 'file:///dev/null')
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self.assertIn(state['branch'], repo.remotes.origin.refs)
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if 'commit' in state:
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self.assertEqual(state['commit'],
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str(repo.commit('HEAD')),
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'Project %s commit for build %s #%s should '
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'be correct' % (
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project, build, number))
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ref = repo.commit('HEAD')
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repo_messages = set(
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[c.message.strip() for c in repo.iter_commits(ref)])
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if 'present' in state:
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for change in state['present']:
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msg = '%s-1' % change.subject
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self.assertTrue(msg in repo_messages,
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'Project %s for build %s #%s should '
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'have change %s' % (
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project, build, number, change.subject))
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if 'absent' in state:
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for change in state['absent']:
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msg = '%s-1' % change.subject
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self.assertTrue(msg not in repo_messages,
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'Project %s for build %s #%s should '
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'not have change %s' % (
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project, build, number, change.subject))
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def assertBuildStates(self, states, projects):
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for number, build in enumerate(self.builds):
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work = build.getWorkspaceRepos(projects)
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state = states[number]
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for project in projects:
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self.assertRepoState(work[project], state[project],
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project, build, number)
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self.executor_server.hold_jobs_in_build = False
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self.executor_server.release()
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self.waitUntilSettled()
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@simple_layout('layouts/repo-checkout-two-project.yaml')
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def test_one_branch(self):
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self.executor_server.hold_jobs_in_build = True
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p1 = 'review.example.com/org/project1'
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p2 = 'review.example.com/org/project2'
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projects = [p1, p2]
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A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
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B = self.fake_gerrit.addFakeChange('org/project2', 'master', 'B')
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A.addApproval('Code-Review', 2)
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B.addApproval('Code-Review', 2)
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self.fake_gerrit.addEvent(A.addApproval('Approved', 1))
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self.fake_gerrit.addEvent(B.addApproval('Approved', 1))
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self.waitUntilSettled()
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self.assertEqual(2, len(self.builds), "Two builds are running")
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upstream = self.getUpstreamRepos(projects)
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states = [
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{p1: dict(present=[A], absent=[B], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('master')),
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branch='master'),
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},
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{p1: dict(present=[A], absent=[B], branch='master'),
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p2: dict(present=[B], absent=[A], branch='master'),
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},
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]
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self.assertBuildStates(states, projects)
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@simple_layout('layouts/repo-checkout-four-project.yaml')
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def test_multi_branch(self):
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self.executor_server.hold_jobs_in_build = True
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p1 = 'review.example.com/org/project1'
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p2 = 'review.example.com/org/project2'
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p3 = 'review.example.com/org/project3'
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p4 = 'review.example.com/org/project4'
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projects = [p1, p2, p3, p4]
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self.create_branch('org/project2', 'stable/havana')
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self.create_branch('org/project4', 'stable/havana')
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A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
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B = self.fake_gerrit.addFakeChange('org/project2', 'stable/havana',
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'B')
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C = self.fake_gerrit.addFakeChange('org/project3', 'master', 'C')
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A.addApproval('Code-Review', 2)
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B.addApproval('Code-Review', 2)
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C.addApproval('Code-Review', 2)
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self.fake_gerrit.addEvent(A.addApproval('Approved', 1))
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self.fake_gerrit.addEvent(B.addApproval('Approved', 1))
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self.fake_gerrit.addEvent(C.addApproval('Approved', 1))
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self.waitUntilSettled()
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self.assertEqual(3, len(self.builds), "Three builds are running")
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upstream = self.getUpstreamRepos(projects)
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states = [
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{p1: dict(present=[A], absent=[B, C], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('master')),
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branch='master'),
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p3: dict(commit=str(upstream[p3].commit('master')),
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branch='master'),
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p4: dict(commit=str(upstream[p4].commit('master')),
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branch='master'),
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},
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{p1: dict(present=[A], absent=[B, C], branch='master'),
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p2: dict(present=[B], absent=[A, C], branch='stable/havana'),
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p3: dict(commit=str(upstream[p3].commit('master')),
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branch='master'),
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p4: dict(commit=str(upstream[p4].commit('stable/havana')),
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branch='stable/havana'),
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},
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{p1: dict(present=[A], absent=[B, C], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('master')),
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branch='master'),
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p3: dict(present=[C], absent=[A, B], branch='master'),
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p4: dict(commit=str(upstream[p4].commit('master')),
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branch='master'),
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},
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]
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self.assertBuildStates(states, projects)
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@simple_layout('layouts/repo-checkout-six-project.yaml')
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def test_project_override(self):
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self.executor_server.hold_jobs_in_build = True
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p1 = 'review.example.com/org/project1'
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p2 = 'review.example.com/org/project2'
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p3 = 'review.example.com/org/project3'
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p4 = 'review.example.com/org/project4'
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p5 = 'review.example.com/org/project5'
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p6 = 'review.example.com/org/project6'
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projects = [p1, p2, p3, p4, p5, p6]
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self.create_branch('org/project3', 'stable/havana')
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self.create_branch('org/project4', 'stable/havana')
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self.create_branch('org/project6', 'stable/havana')
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A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
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B = self.fake_gerrit.addFakeChange('org/project1', 'master', 'B')
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C = self.fake_gerrit.addFakeChange('org/project2', 'master', 'C')
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D = self.fake_gerrit.addFakeChange('org/project3', 'stable/havana',
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'D')
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A.addApproval('Code-Review', 2)
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B.addApproval('Code-Review', 2)
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C.addApproval('Code-Review', 2)
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D.addApproval('Code-Review', 2)
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self.fake_gerrit.addEvent(A.addApproval('Approved', 1))
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self.fake_gerrit.addEvent(B.addApproval('Approved', 1))
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self.fake_gerrit.addEvent(C.addApproval('Approved', 1))
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self.fake_gerrit.addEvent(D.addApproval('Approved', 1))
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self.waitUntilSettled()
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self.assertEqual(4, len(self.builds), "Four builds are running")
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upstream = self.getUpstreamRepos(projects)
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states = [
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{p1: dict(present=[A], absent=[B, C, D], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('master')),
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branch='master'),
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p3: dict(commit=str(upstream[p3].commit('master')),
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branch='master'),
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p4: dict(commit=str(upstream[p4].commit('master')),
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branch='master'),
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p5: dict(commit=str(upstream[p5].commit('master')),
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branch='master'),
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p6: dict(commit=str(upstream[p6].commit('master')),
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branch='master'),
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},
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{p1: dict(present=[A, B], absent=[C, D], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('master')),
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branch='master'),
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p3: dict(commit=str(upstream[p3].commit('master')),
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branch='master'),
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p4: dict(commit=str(upstream[p4].commit('master')),
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branch='master'),
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p5: dict(commit=str(upstream[p5].commit('master')),
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branch='master'),
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p6: dict(commit=str(upstream[p6].commit('master')),
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branch='master'),
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},
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{p1: dict(present=[A, B], absent=[C, D], branch='master'),
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p2: dict(present=[C], absent=[A, B, D], branch='master'),
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p3: dict(commit=str(upstream[p3].commit('master')),
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branch='master'),
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p4: dict(commit=str(upstream[p4].commit('master')),
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branch='master'),
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p5: dict(commit=str(upstream[p5].commit('master')),
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branch='master'),
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p6: dict(commit=str(upstream[p6].commit('master')),
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branch='master'),
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},
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{p1: dict(present=[A, B], absent=[C, D], branch='master'),
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p2: dict(present=[C], absent=[A, B, D], branch='master'),
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p3: dict(present=[D], absent=[A, B, C],
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branch='stable/havana'),
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p4: dict(commit=str(upstream[p4].commit('master')),
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branch='master'),
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p5: dict(commit=str(upstream[p5].commit('master')),
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branch='master'),
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p6: dict(commit=str(upstream[p6].commit('stable/havana')),
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branch='stable/havana'),
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},
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]
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self.assertBuildStates(states, projects)
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def test_periodic_override(self):
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# This test can not use simple_layout because it must start
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# with a configuration which does not include a
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# timer-triggered job so that we have an opportunity to set
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# the hold flag before the first job.
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# This tests that we can override the branch in a timer
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# trigger (mostly to ensure backwards compatability for jobs).
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self.executor_server.hold_jobs_in_build = True
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# Start timer trigger - also org/project
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self.commitConfigUpdate('common-config',
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'layouts/repo-checkout-timer-override.yaml')
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self.sched.reconfigure(self.config)
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p1 = 'review.example.com/org/project1'
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projects = [p1]
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self.create_branch('org/project1', 'stable/havana')
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# The pipeline triggers every second, so we should have seen
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# several by now.
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time.sleep(5)
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self.waitUntilSettled()
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# Stop queuing timer triggered jobs so that the assertions
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# below don't race against more jobs being queued.
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self.commitConfigUpdate('common-config',
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'layouts/repo-checkout-no-timer-override.yaml')
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self.sched.reconfigure(self.config)
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self.waitUntilSettled()
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# If APScheduler is in mid-event when we remove the job, we
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# can end up with one more event firing, so give it an extra
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# second to settle.
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time.sleep(1)
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self.waitUntilSettled()
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self.assertEqual(1, len(self.builds), "One build is running")
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upstream = self.getUpstreamRepos(projects)
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states = [
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{p1: dict(commit=str(upstream[p1].commit('stable/havana')),
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branch='stable/havana'),
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},
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]
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self.assertBuildStates(states, projects)
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def test_periodic(self):
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# This test can not use simple_layout because it must start
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# with a configuration which does not include a
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# timer-triggered job so that we have an opportunity to set
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# the hold flag before the first job.
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self.executor_server.hold_jobs_in_build = True
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# Start timer trigger - also org/project
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self.commitConfigUpdate('common-config',
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'layouts/repo-checkout-timer.yaml')
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self.sched.reconfigure(self.config)
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p1 = 'review.example.com/org/project1'
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projects = [p1]
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self.create_branch('org/project1', 'stable/havana')
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# The pipeline triggers every second, so we should have seen
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# several by now.
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time.sleep(5)
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self.waitUntilSettled()
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# Stop queuing timer triggered jobs so that the assertions
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# below don't race against more jobs being queued.
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self.commitConfigUpdate('common-config',
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'layouts/repo-checkout-no-timer.yaml')
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self.sched.reconfigure(self.config)
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self.waitUntilSettled()
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# If APScheduler is in mid-event when we remove the job, we
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# can end up with one more event firing, so give it an extra
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# second to settle.
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time.sleep(1)
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self.waitUntilSettled()
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self.assertEqual(2, len(self.builds), "Two builds are running")
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upstream = self.getUpstreamRepos(projects)
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states = [
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{p1: dict(commit=str(upstream[p1].commit('stable/havana')),
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branch='stable/havana'),
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},
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{p1: dict(commit=str(upstream[p1].commit('master')),
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branch='master'),
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},
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]
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if self.builds[0].parameters['zuul']['ref'] == 'refs/heads/master':
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states = list(reversed(states))
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self.assertBuildStates(states, projects)
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@simple_layout('layouts/repo-checkout-post.yaml')
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def test_post_and_master_checkout(self):
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self.executor_server.hold_jobs_in_build = True
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p1 = "review.example.com/org/project1"
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p2 = "review.example.com/org/project2"
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projects = [p1, p2]
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upstream = self.getUpstreamRepos(projects)
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A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
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event = A.getRefUpdatedEvent()
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A.setMerged()
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A_commit = str(upstream[p1].commit('master'))
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self.log.debug("A commit: %s" % A_commit)
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# Add another commit to the repo that merged right after this
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# one to make sure that our post job runs with the one that we
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# intended rather than simply the current repo state.
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B = self.fake_gerrit.addFakeChange('org/project1', 'master', 'B',
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parent='refs/changes/1/1/1')
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B.setMerged()
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B_commit = str(upstream[p1].commit('master'))
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self.log.debug("B commit: %s" % B_commit)
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self.fake_gerrit.addEvent(event)
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self.waitUntilSettled()
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states = [
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{p1: dict(commit=A_commit,
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present=[A], absent=[B], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('master')),
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absent=[A, B], branch='master'),
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},
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]
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self.assertBuildStates(states, projects)
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@simple_layout('layouts/repo-checkout-tag.yaml')
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def test_tag_checkout(self):
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self.executor_server.hold_jobs_in_build = True
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p1 = "review.example.com/org/project1"
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p2 = "review.example.com/org/project2"
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projects = [p1, p2]
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upstream = self.getUpstreamRepos(projects)
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self.create_branch('org/project2', 'stable/havana')
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files = {'README': 'tagged readme'}
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self.addCommitToRepo('org/project2', 'tagged commit',
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files, branch='stable/havana', tag='test-tag')
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A = self.fake_gerrit.addFakeChange('org/project1', 'master', 'A')
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self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
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self.waitUntilSettled()
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states = [
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{p1: dict(present=[A], branch='master'),
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p2: dict(commit=str(upstream[p2].commit('test-tag')),
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absent=[A]),
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},
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]
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self.assertBuildStates(states, projects)
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class TestAnsibleJob(ZuulTestCase):
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tenant_config_file = 'config/ansible/main.yaml'
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def setUp(self):
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super(TestAnsibleJob, self).setUp()
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job = zuul.model.Job('test')
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job.unique = 'test'
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self.test_job = zuul.executor.server.AnsibleJob(self.executor_server,
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job)
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def test_getHostList_host_keys(self):
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# Test without connection_port set
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node = {'name': 'fake-host',
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'host_keys': ['fake-host-key'],
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'interface_ip': 'localhost'}
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keys = self.test_job.getHostList({'nodes': [node],
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'host_vars': {}})[0]['host_keys']
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self.assertEqual(keys[0], 'localhost fake-host-key')
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# Test with custom connection_port set
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node['connection_port'] = 22022
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keys = self.test_job.getHostList({'nodes': [node],
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'host_vars': {}})[0]['host_keys']
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self.assertEqual(keys[0], '[localhost]:22022 fake-host-key')
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class TestExecutorHostname(ZuulTestCase):
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config_file = 'zuul-executor-hostname.conf'
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tenant_config_file = 'config/single-tenant/main.yaml'
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def test_executor_hostname(self):
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self.assertEqual('test-executor-hostname.example.com',
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self.executor_server.hostname)
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class TestGovernor(ZuulTestCase):
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config_file = 'zuul-executor-hostname.conf'
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tenant_config_file = 'config/governor/main.yaml'
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@mock.patch('os.getloadavg')
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@mock.patch('psutil.virtual_memory')
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def test_load_governor(self, vm_mock, loadavg_mock):
|
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class Dummy(object):
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|
pass
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ram = Dummy()
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ram.percent = 20.0 # 20% used
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vm_mock.return_value = ram
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loadavg_mock.return_value = (0.0, 0.0, 0.0)
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self.executor_server.manageLoad()
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self.assertTrue(self.executor_server.accepting_work)
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ram.percent = 99.0 # 99% used
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loadavg_mock.return_value = (100.0, 100.0, 100.0)
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self.executor_server.manageLoad()
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self.assertFalse(self.executor_server.accepting_work)
|
|
|
|
@mock.patch('os.statvfs')
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|
def test_hdd_governor(self, statvfs_mock):
|
|
class Dummy(object):
|
|
pass
|
|
hdd = Dummy()
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|
hdd.f_frsize = 4096
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hdd.f_blocks = 120920708
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|
hdd.f_bfree = 95716701
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statvfs_mock.return_value = hdd # 20.84% used
|
|
|
|
self.executor_server.manageLoad()
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self.assertTrue(self.executor_server.accepting_work)
|
|
|
|
self.assertReportedStat(
|
|
'zuul.executor.test-executor-hostname_example_com.pct_used_hdd',
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|
value='2084', kind='g')
|
|
|
|
hdd.f_bfree = 5716701
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|
statvfs_mock.return_value = hdd # 95.27% used
|
|
|
|
self.executor_server.manageLoad()
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|
self.assertFalse(self.executor_server.accepting_work)
|
|
|
|
self.assertReportedStat(
|
|
'zuul.executor.test-executor-hostname_example_com.pct_used_hdd',
|
|
value='9527', kind='g')
|
|
|
|
def test_pause_governor(self):
|
|
self.executor_server.manageLoad()
|
|
self.assertTrue(self.executor_server.accepting_work)
|
|
|
|
self.executor_server.pause_sensor.pause = True
|
|
self.executor_server.manageLoad()
|
|
self.assertFalse(self.executor_server.accepting_work)
|
|
|
|
def waitForExecutorBuild(self, jobname):
|
|
self.log.debug("Waiting for %s to start", jobname)
|
|
timeout = time.time() + 30
|
|
build = None
|
|
while (time.time() < timeout and not build):
|
|
for b in self.builds:
|
|
if b.name == jobname:
|
|
build = b
|
|
break
|
|
time.sleep(0.1)
|
|
self.log.debug("Found build %s", jobname)
|
|
build_id = build.uuid
|
|
while (time.time() < timeout and
|
|
build_id not in self.executor_server.job_workers):
|
|
time.sleep(0.1)
|
|
worker = self.executor_server.job_workers[build_id]
|
|
self.log.debug("Found worker %s", jobname)
|
|
while (time.time() < timeout and
|
|
not worker.started):
|
|
time.sleep(0.1)
|
|
self.log.debug("Worker for %s started: %s", jobname, worker.started)
|
|
return build
|
|
|
|
def test_slow_start(self):
|
|
|
|
def _set_starting_builds(min, max):
|
|
for sensor in self.executor_server.sensors:
|
|
if isinstance(sensor, StartingBuildsSensor):
|
|
sensor.min_starting_builds = min
|
|
sensor.max_starting_builds = max
|
|
|
|
# Note: This test relies on the fact that manageLoad is only
|
|
# run at specific points. Several times in the test we check
|
|
# that manageLoad has disabled or enabled job acceptance based
|
|
# on the number of "starting" jobs. Some of those jobs may
|
|
# have actually moved past the "starting" phase and are
|
|
# actually "running". But because manageLoad hasn't run
|
|
# again, it still uses the old values. Keep this in mind when
|
|
# double checking its calculations.
|
|
#
|
|
# Disable the periodic governor runs to make sure they don't
|
|
# interefere (only possible if the test runs longer than 10
|
|
# seconds).
|
|
self.executor_server.governor_stop_event.set()
|
|
self.executor_server.hold_jobs_in_build = True
|
|
_set_starting_builds(1, 1)
|
|
self.executor_server.manageLoad()
|
|
self.assertTrue(self.executor_server.accepting_work)
|
|
A = self.fake_gerrit.addFakeChange('common-config', 'master', 'A')
|
|
self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
|
|
|
|
build1 = self.waitForExecutorBuild('test1')
|
|
# With one job (test1) being started, we should no longer
|
|
# be accepting new work
|
|
self.assertFalse(self.executor_server.accepting_work)
|
|
self.assertEqual(len(self.executor_server.job_workers), 1)
|
|
# Allow enough starting builds for the test to complete.
|
|
_set_starting_builds(1, 3)
|
|
# We must wait for build1 to enter a waiting state otherwise
|
|
# the subsequent release() is a noop and the build is never
|
|
# released. We don't use waitUntilSettled as that requires
|
|
# the other two builds to start which can't happen while we
|
|
# don't accept jobs.
|
|
for x in iterate_timeout(30, "build1 is waiting"):
|
|
if build1.waiting:
|
|
break
|
|
build1.release()
|
|
for x in iterate_timeout(30, "Wait for build1 to complete"):
|
|
if build1.uuid not in self.executor_server.job_workers:
|
|
break
|
|
self.executor_server.manageLoad()
|
|
# This manageLoad call has determined that there are 0 workers
|
|
# running, so our full complement of 3 starting builds is
|
|
# available. It will re-register for work and pick up the
|
|
# next two jobs.
|
|
|
|
self.waitForExecutorBuild('test2')
|
|
self.waitForExecutorBuild('test3')
|
|
# When each of these jobs started, they caused manageLoad to
|
|
# be called, the second invocation calculated that there were
|
|
# 2 workers running, so our starting build limit was reduced
|
|
# to 1. Usually it will calculate that there are 2 starting
|
|
# builds, but theoretically it could count only 1 if the first
|
|
# build manages to leave the starting phase before the second
|
|
# build starts. It should always count the second build as
|
|
# starting. As long as at least one build is still in the
|
|
# starting phase, this will exceed the limit and unregister.
|
|
self.assertFalse(self.executor_server.accepting_work)
|
|
|
|
self.executor_server.hold_jobs_in_build = False
|
|
self.executor_server.release()
|
|
self.waitUntilSettled()
|
|
self.executor_server.manageLoad()
|
|
self.assertTrue(self.executor_server.accepting_work)
|