155 lines
6.0 KiB
Python
155 lines
6.0 KiB
Python
# Copyright 2017 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.
|
|
|
|
from zuul import model
|
|
import zuul.nodepool
|
|
|
|
from tests.base import BaseTestCase, FakeNodepool, iterate_timeout
|
|
from zuul.zk import ZooKeeperClient
|
|
from zuul.zk.nodepool import ZooKeeperNodepool
|
|
|
|
|
|
class NodepoolWithCallback(zuul.nodepool.Nodepool):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.provisioned_requests = []
|
|
|
|
def _handleNodeRequestEvent(self, request, event):
|
|
super()._handleNodeRequestEvent(request, event)
|
|
self.provisioned_requests.append(request)
|
|
|
|
|
|
class TestNodepoolBase(BaseTestCase):
|
|
# Tests the Nodepool interface class using a fake nodepool and
|
|
# scheduler.
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
|
|
self.statsd = None
|
|
self.setupZK()
|
|
|
|
self.zk_client = ZooKeeperClient(
|
|
self.zk_chroot_fixture.zk_hosts,
|
|
tls_cert=self.zk_chroot_fixture.zookeeper_cert,
|
|
tls_key=self.zk_chroot_fixture.zookeeper_key,
|
|
tls_ca=self.zk_chroot_fixture.zookeeper_ca)
|
|
self.zk_nodepool = ZooKeeperNodepool(self.zk_client)
|
|
self.addCleanup(self.zk_client.disconnect)
|
|
self.zk_client.connect()
|
|
self.hostname = 'nodepool-test-hostname'
|
|
|
|
self.nodepool = NodepoolWithCallback(
|
|
self.zk_client, self.hostname, self.statsd, scheduler=True)
|
|
|
|
self.fake_nodepool = FakeNodepool(self.zk_chroot_fixture)
|
|
self.addCleanup(self.fake_nodepool.stop)
|
|
|
|
|
|
class TestNodepool(TestNodepoolBase):
|
|
def test_node_request(self):
|
|
# Test a simple node request
|
|
|
|
nodeset = model.NodeSet()
|
|
nodeset.addNode(model.Node(['controller', 'foo'], 'ubuntu-xenial'))
|
|
nodeset.addNode(model.Node(['compute'], 'ubuntu-xenial'))
|
|
job = model.Job('testjob')
|
|
job.nodeset = nodeset
|
|
request = self.nodepool.requestNodes(
|
|
"test-uuid", job, "tenant", "pipeline", "provider", 0, 0)
|
|
for x in iterate_timeout(30, 'requests are complete'):
|
|
if len(self.nodepool.provisioned_requests) == 1:
|
|
break
|
|
request = self.nodepool.zk_nodepool.getNodeRequest(request.id)
|
|
# We have to look up the request from ZK directly to check the
|
|
# state.
|
|
zk_request = self.zk_nodepool.getNodeRequest(request.id)
|
|
self.assertEqual(zk_request.state, 'fulfilled')
|
|
|
|
# Accept the nodes
|
|
new_nodeset = self.nodepool.getNodeSet(request, nodeset)
|
|
self.assertIsNotNone(new_nodeset)
|
|
# acceptNodes will be called on the executor, but only if the
|
|
# noderequest was accepted before.
|
|
executor_nodeset = nodeset.copy()
|
|
self.nodepool.acceptNodes(request, executor_nodeset)
|
|
|
|
for node in executor_nodeset.getNodes():
|
|
self.assertIsNotNone(node.lock)
|
|
self.assertEqual(node.state, 'ready')
|
|
|
|
# Mark the nodes in use
|
|
self.nodepool.useNodeSet(
|
|
executor_nodeset, tenant_name=None, project_name=None)
|
|
for node in executor_nodeset.getNodes():
|
|
self.assertEqual(node.state, 'in-use')
|
|
|
|
# Return the nodes
|
|
self.nodepool.returnNodeSet(
|
|
executor_nodeset, build=None, tenant_name=None, project_name=None,
|
|
duration=0)
|
|
for node in executor_nodeset.getNodes():
|
|
self.assertIsNone(node.lock)
|
|
self.assertEqual(node.state, 'used')
|
|
|
|
def test_node_request_canceled(self):
|
|
# Test that node requests can be canceled
|
|
|
|
nodeset = model.NodeSet()
|
|
nodeset.addNode(model.Node(['controller'], 'ubuntu-xenial'))
|
|
nodeset.addNode(model.Node(['compute'], 'ubuntu-xenial'))
|
|
job = model.Job('testjob')
|
|
job.nodeset = nodeset
|
|
self.fake_nodepool.pause()
|
|
request = self.nodepool.requestNodes(
|
|
"test-uuid", job, "tenant", "pipeline", "provider", 0, 0)
|
|
for x in iterate_timeout(30, 'request created'):
|
|
if len(self.nodepool.zk_nodepool._node_request_cache):
|
|
break
|
|
|
|
self.assertEqual(len(self.nodepool.provisioned_requests), 0)
|
|
self.nodepool.cancelRequest(request)
|
|
|
|
for x in iterate_timeout(30, 'request deleted'):
|
|
if len(self.nodepool.provisioned_requests):
|
|
break
|
|
|
|
self.assertEqual(len(self.nodepool.provisioned_requests), 1)
|
|
self.assertEqual(self.nodepool.provisioned_requests[0].state,
|
|
'requested')
|
|
|
|
def test_node_request_priority(self):
|
|
# Test that requests are satisfied in priority order
|
|
|
|
nodeset = model.NodeSet()
|
|
nodeset.addNode(model.Node(['controller', 'foo'], 'ubuntu-xenial'))
|
|
nodeset.addNode(model.Node(['compute'], 'ubuntu-xenial'))
|
|
job = model.Job('testjob')
|
|
job.nodeset = nodeset
|
|
self.fake_nodepool.pause()
|
|
request1 = self.nodepool.requestNodes(
|
|
"test-uuid", job, "tenant", "pipeline", "provider", 0, 1)
|
|
request2 = self.nodepool.requestNodes(
|
|
"test-uuid", job, "tenant", "pipeline", "provider", 0, 0)
|
|
self.fake_nodepool.unpause()
|
|
for x in iterate_timeout(30, 'requests are complete'):
|
|
if len(self.nodepool.provisioned_requests) == 2:
|
|
break
|
|
request1 = self.nodepool.zk_nodepool.getNodeRequest(request1.id)
|
|
request2 = self.nodepool.zk_nodepool.getNodeRequest(request2.id)
|
|
self.assertEqual(request1.state, 'fulfilled')
|
|
self.assertEqual(request2.state, 'fulfilled')
|
|
self.assertTrue(request2.state_time < request1.state_time)
|