598 lines
22 KiB
Python
598 lines
22 KiB
Python
# Copyright (C) 2017 Red Hat
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import mock
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import os
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from nodepool import config as nodepool_config
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from nodepool import tests
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from nodepool import zk
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from nodepool.cmd.config_validator import ConfigValidator
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class TestDriverStatic(tests.DBTestCase):
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log = logging.getLogger("nodepool.TestDriverStatic")
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def test_static_validator(self):
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config = os.path.join(os.path.dirname(tests.__file__),
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'fixtures', 'config_validate',
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'static_error.yaml')
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validator = ConfigValidator(config)
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ret = validator.validate()
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self.assertEqual(ret, 1)
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def test_static_config(self):
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configfile = self.setup_config('static.yaml')
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config = nodepool_config.loadConfig(configfile)
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self.assertIn('static-provider', config.providers)
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config2 = nodepool_config.loadConfig(configfile)
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self.assertEqual(config, config2)
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def test_static_basic(self):
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'''
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Test that basic node registration works.
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'''
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for node pre-registration")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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self.assertEqual(nodes[0].state, zk.READY)
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self.assertEqual(nodes[0].provider, "static-provider")
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self.assertEqual(nodes[0].pool, "main")
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self.assertEqual(nodes[0].launcher, "static driver")
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self.assertEqual(nodes[0].type, ['fake-label'])
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self.assertEqual(nodes[0].hostname, 'fake-host-1')
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self.assertEqual(nodes[0].interface_ip, 'fake-host-1')
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self.assertEqual(nodes[0].username, 'zuul')
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self.assertEqual(nodes[0].connection_port, 22022)
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self.assertEqual(nodes[0].connection_type, 'ssh')
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self.assertEqual(nodes[0].host_keys, ['ssh-rsa FAKEKEY'])
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self.assertEqual(nodes[0].attributes,
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{'key1': 'value1', 'key2': 'value2'})
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self.assertEqual(nodes[0].python_path, 'auto')
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self.assertIsNone(nodes[0].shell_type)
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def test_static_python_path(self):
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'''
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Test that static python-path works.
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'''
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configfile = self.setup_config('static-python-path.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for node pre-registration")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(nodes[0].python_path, "/usr/bin/python3")
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nodes[0].state = zk.USED
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self.zk.storeNode(nodes[0])
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self.log.debug("Waiting for node to be re-available")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(nodes[0].python_path, "/usr/bin/python3")
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def test_static_multiname(self):
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'''
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Test that multi name node (re-)registration works.
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'''
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configfile = self.setup_config('static-multiname.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for node pre-registration")
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nodes = self.waitForNodes('fake-label', 1)
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self.assertEqual(len(nodes), 1)
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self.assertEqual(nodes[0].state, zk.READY)
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self.assertEqual(nodes[0].username, 'zuul')
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nodes = self.waitForNodes('other-label', 1)
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self.assertEqual(len(nodes), 1)
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self.assertEqual(nodes[0].state, zk.READY)
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self.assertEqual(nodes[0].username, 'zuul-2')
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.tenant_name = 'tenant-1'
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req.node_types.append('fake-label')
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self.zk.storeNodeRequest(req)
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req = self.waitForNodeRequest(req, zk.FULFILLED)
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node = self.zk.getNode(req.nodes[0])
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self.zk.lockNode(node)
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node.state = zk.USED
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self.zk.storeNode(node)
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self.zk.unlockNode(node)
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self.waitForNodeDeletion(node)
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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registered_labels = {n.type[0] for n in self.zk.nodeIterator()}
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self.assertEqual(registered_labels, {'fake-label', 'other-label'})
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def test_static_unresolvable(self):
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'''
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Test that basic node registration works.
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'''
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configfile = self.setup_config('static-unresolvable.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for node pre-registration")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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self.assertEqual(nodes[0].state, zk.READY)
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self.assertEqual(nodes[0].provider, "static-provider")
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self.assertEqual(nodes[0].pool, "main")
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self.assertEqual(nodes[0].launcher, "static driver")
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self.assertEqual(nodes[0].type, ['fake-label'])
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self.assertEqual(nodes[0].hostname, 'fake-host-1')
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self.assertEqual(nodes[0].interface_ip, 'fake-host-1')
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self.assertEqual(nodes[0].username, 'zuul')
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self.assertEqual(nodes[0].connection_port, 22022)
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self.assertEqual(nodes[0].connection_type, 'ssh')
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self.assertEqual(nodes[0].host_keys, ['ssh-rsa FAKEKEY'])
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def test_static_node_increase(self):
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'''
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Test that adding new nodes to the config creates additional nodes.
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'''
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for initial node")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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self.log.debug("Waiting for additional node")
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self.replace_config(configfile, 'static-2-nodes.yaml')
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nodes = self.waitForNodes('fake-label', 2)
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self.assertEqual(len(nodes), 2)
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def test_static_node_decrease(self):
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'''
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Test that removing nodes from the config removes nodes.
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'''
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configfile = self.setup_config('static-2-nodes.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for initial nodes")
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nodes = self.waitForNodes('fake-label', 2)
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self.assertEqual(len(nodes), 2)
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self.log.debug("Waiting for node decrease")
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self.replace_config(configfile, 'static-basic.yaml')
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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self.assertEqual(nodes[0].hostname, 'fake-host-1')
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def test_static_parallel_increase(self):
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'''
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Test that increasing max-parallel-jobs creates additional nodes.
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'''
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for initial node")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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self.log.debug("Waiting for additional node")
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self.replace_config(configfile, 'static-parallel-increase.yaml')
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nodes = self.waitForNodes('fake-label', 2)
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self.assertEqual(len(nodes), 2)
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def test_static_parallel_decrease(self):
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'''
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Test that decreasing max-parallel-jobs deletes nodes.
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'''
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configfile = self.setup_config('static-parallel-increase.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for initial nodes")
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nodes = self.waitForNodes('fake-label', 2)
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self.assertEqual(len(nodes), 2)
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self.log.debug("Waiting for node decrease")
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self.replace_config(configfile, 'static-basic.yaml')
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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def test_static_node_update(self):
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'''
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Test that updates a static node on config change.
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'''
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for initial node")
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nodes = self.waitForNodes('fake-label')
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self.assertEqual(len(nodes), 1)
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self.log.debug("Waiting for new label")
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self.replace_config(configfile, 'static-update.yaml')
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nodes = self.waitForNodes('fake-label2')
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self.assertEqual(len(nodes), 1)
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self.assertIn('fake-label', nodes[0].type)
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self.assertIn('fake-label2', nodes[0].type)
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self.assertEqual(nodes[0].username, 'admin')
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self.assertEqual(nodes[0].connection_port, 5986)
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self.assertEqual(nodes[0].connection_type, 'winrm')
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self.assertEqual(nodes[0].host_keys, [])
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def test_static_node_update_startup(self):
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'''
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Test that updates a static node on config change at startup.
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'''
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for initial node")
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nodes = self.waitForNodes('fake-label')
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pool.stop()
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configfile = self.setup_config('static-multilabel.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self.log.debug("Waiting for new label")
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nodes = self.waitForNodes('fake-label2')
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self.assertEqual(len(nodes), 1)
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# Check that the node was updated and not re-created
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self.assertEqual(nodes[0].id, "0000000000")
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self.assertIn('fake-label', nodes[0].type)
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self.assertIn('fake-label2', nodes[0].type)
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def test_static_multilabel(self):
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configfile = self.setup_config('static-multilabel.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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nodes = self.waitForNodes('fake-label')
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self.assertIn('fake-label', nodes[0].type)
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self.assertIn('fake-label2', nodes[0].type)
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def test_static_handler(self):
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configfile = self.setup_config('static.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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node = self.waitForNodes('fake-label')
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self.waitForNodes('fake-concurrent-label', 2)
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node = node[0]
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self.log.debug("Marking first node as used %s", node.id)
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node.state = zk.USED
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self.zk.storeNode(node)
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self.waitForNodeDeletion(node)
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self.log.debug("Waiting for node to be re-available")
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node = self.waitForNodes('fake-label')
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self.assertEqual(len(node), 1)
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def test_static_waiting_handler(self):
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configfile = self.setup_config('static-2-nodes-multilabel.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.node_types.append('fake-label')
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self.zk.storeNodeRequest(req)
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req = self.waitForNodeRequest(req, zk.FULFILLED)
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node = self.zk.getNode(req.nodes[0])
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self.zk.lockNode(node)
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node.state = zk.USED
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self.zk.storeNode(node)
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req_waiting = zk.NodeRequest()
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req_waiting.state = zk.REQUESTED
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req_waiting.node_types.append('fake-label')
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self.zk.storeNodeRequest(req_waiting)
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req_waiting = self.waitForNodeRequest(req_waiting, zk.PENDING)
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.node_types.append('fake-label2')
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self.zk.storeNodeRequest(req)
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req = self.waitForNodeRequest(req, zk.FULFILLED)
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req_waiting = self.zk.getNodeRequest(req_waiting.id)
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self.assertEqual(req_waiting.state, zk.PENDING)
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self.zk.unlockNode(node)
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self.waitForNodeDeletion(node)
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self.waitForNodeRequest(req_waiting, zk.FULFILLED)
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def test_static_ignore_assigned_ready_nodes(self):
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"""Regression test to not touch assigned READY nodes"""
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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# Make sure the cleanup worker is called that reallocated the node
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pool.cleanup_interval = .1
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pool.start()
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.node_types.append('fake-label')
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self.zk.storeNodeRequest(req)
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req = self.waitForNodeRequest(req, zk.FULFILLED)
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req_waiting = zk.NodeRequest()
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req_waiting.state = zk.REQUESTED
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req_waiting.node_types.append('fake-label')
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self.zk.storeNodeRequest(req_waiting)
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req_waiting = self.waitForNodeRequest(req_waiting, zk.PENDING)
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# Make sure the node is not reallocated
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node = self.zk.getNode(req.nodes[0])
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self.assertIsNotNone(node)
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def test_static_waiting_handler_order(self):
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.node_types.append('fake-label')
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self.zk.storeNodeRequest(req)
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req = self.waitForNodeRequest(req, zk.FULFILLED)
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node = self.zk.getNode(req.nodes[0])
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self.zk.lockNode(node)
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node.state = zk.USED
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self.zk.storeNode(node)
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req_waiting1 = zk.NodeRequest()
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req_waiting1.state = zk.REQUESTED
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req_waiting1.node_types.append('fake-label')
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self.zk.storeNodeRequest(req_waiting1, priority="300")
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req_waiting1 = self.waitForNodeRequest(req_waiting1, zk.PENDING)
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req_waiting2 = zk.NodeRequest()
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req_waiting2.state = zk.REQUESTED
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req_waiting2.node_types.append('fake-label')
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self.zk.storeNodeRequest(req_waiting2, priority="200")
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req_waiting2 = self.waitForNodeRequest(req_waiting2, zk.PENDING)
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req_waiting3 = zk.NodeRequest()
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req_waiting3.state = zk.REQUESTED
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req_waiting3.node_types.append('fake-label')
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self.zk.storeNodeRequest(req_waiting3, priority="200")
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req_waiting3 = self.waitForNodeRequest(req_waiting3, zk.PENDING)
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self.zk.unlockNode(node)
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self.waitForNodeDeletion(node)
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req_waiting2 = self.waitForNodeRequest(req_waiting2, zk.FULFILLED)
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req_waiting1 = self.zk.getNodeRequest(req_waiting1.id)
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self.assertEqual(req_waiting1.state, zk.PENDING)
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req_waiting3 = self.zk.getNodeRequest(req_waiting3.id)
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self.assertEqual(req_waiting3.state, zk.PENDING)
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node_waiting2 = self.zk.getNode(req_waiting2.nodes[0])
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self.zk.lockNode(node_waiting2)
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node_waiting2.state = zk.USED
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self.zk.storeNode(node_waiting2)
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self.zk.unlockNode(node_waiting2)
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req_waiting3 = self.waitForNodeRequest(req_waiting3, zk.FULFILLED)
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req_waiting1 = self.zk.getNodeRequest(req_waiting1.id)
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self.assertEqual(req_waiting1.state, zk.PENDING)
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node_waiting3 = self.zk.getNode(req_waiting3.nodes[0])
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self.zk.lockNode(node_waiting3)
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node_waiting3.state = zk.USED
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self.zk.storeNode(node_waiting3)
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self.zk.unlockNode(node_waiting3)
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self.waitForNodeRequest(req_waiting1, zk.FULFILLED)
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def test_static_handler_race_cleanup(self):
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configfile = self.setup_config('static-basic.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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node = self.waitForNodes('fake-label')[0]
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pool_workers = pool.getPoolWorkers("static-provider")
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# Dummy node request that is not handled by the static provider
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.node_types.append('fake-label')
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# Mark request as declined by the static provider
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req.declined_by.extend(w.launcher_id for w in pool_workers)
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self.zk.storeNodeRequest(req)
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# Create the result of a race between re-registration of a
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# ready node and a new building node.
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data = node.toDict()
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data.update({
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"state": zk.BUILDING,
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"hostname": "",
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"username": "",
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"connection_port": 22,
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"allocated_to": req.id,
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})
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building_node = zk.Node.fromDict(data)
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self.zk.storeNode(building_node)
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self.zk.lockNode(building_node)
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# Node will be deregistered and assigned to the building node
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self.waitForNodeDeletion(node)
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node = self.zk.getNode(building_node.id)
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self.assertEqual(node.state, zk.READY)
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building_node.state = zk.USED
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self.zk.storeNode(building_node)
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self.zk.unlockNode(building_node)
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self.waitForNodeDeletion(building_node)
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def test_static_multinode_handler(self):
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configfile = self.setup_config('static.yaml')
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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|
|
|
req = zk.NodeRequest()
|
|
req.state = zk.REQUESTED
|
|
req.node_types.append('fake-label')
|
|
req.node_types.append('fake-concurrent-label')
|
|
self.zk.storeNodeRequest(req)
|
|
|
|
self.log.debug("Waiting for request %s", req.id)
|
|
req = self.waitForNodeRequest(req)
|
|
self.assertEqual(req.state, zk.FULFILLED)
|
|
self.assertEqual(len(req.nodes), 2)
|
|
|
|
def test_static_multiprovider_handler(self):
|
|
configfile = self.setup_config('multiproviders.yaml')
|
|
pool = self.useNodepool(configfile, watermark_sleep=1)
|
|
pool.start()
|
|
|
|
self.wait_for_config(pool)
|
|
manager = pool.getProviderManager('openstack-provider')
|
|
manager._client.create_image(name="fake-image")
|
|
|
|
req = zk.NodeRequest()
|
|
req.state = zk.REQUESTED
|
|
req.node_types.append('fake-static-label')
|
|
self.zk.storeNodeRequest(req)
|
|
|
|
self.log.debug("Waiting for request %s", req.id)
|
|
req = self.waitForNodeRequest(req)
|
|
self.assertEqual(req.state, zk.FULFILLED)
|
|
self.assertEqual(len(req.nodes), 1)
|
|
|
|
req = zk.NodeRequest()
|
|
req.state = zk.REQUESTED
|
|
req.node_types.append('fake-openstack-label')
|
|
self.zk.storeNodeRequest(req)
|
|
|
|
self.log.debug("Waiting for request %s", req.id)
|
|
req = self.waitForNodeRequest(req)
|
|
self.assertEqual(req.state, zk.FULFILLED)
|
|
self.assertEqual(len(req.nodes), 1)
|
|
|
|
def test_static_request_handled(self):
|
|
'''
|
|
Test that a node is reregistered after handling a request.
|
|
'''
|
|
configfile = self.setup_config('static-basic.yaml')
|
|
pool = self.useNodepool(configfile, watermark_sleep=1)
|
|
pool.start()
|
|
nodes = self.waitForNodes('fake-label')
|
|
self.assertEqual(len(nodes), 1)
|
|
|
|
req = zk.NodeRequest()
|
|
req.state = zk.REQUESTED
|
|
req.node_types.append('fake-label')
|
|
self.zk.storeNodeRequest(req)
|
|
|
|
self.log.debug("Waiting for request %s", req.id)
|
|
req = self.waitForNodeRequest(req)
|
|
self.assertEqual(req.state, zk.FULFILLED)
|
|
self.assertEqual(len(req.nodes), 1)
|
|
self.assertEqual(req.nodes[0], nodes[0].id)
|
|
|
|
# Mark node as used
|
|
nodes[0].state = zk.USED
|
|
self.zk.storeNode(nodes[0])
|
|
|
|
# Our single node should have been used, deleted, then reregistered
|
|
new_nodes = self.waitForNodes('fake-label')
|
|
self.assertEqual(len(new_nodes), 1)
|
|
self.assertEqual(nodes[0].hostname, new_nodes[0].hostname)
|
|
|
|
def test_liveness_check(self):
|
|
'''
|
|
Test liveness check during request handling.
|
|
'''
|
|
configfile = self.setup_config('static-basic.yaml')
|
|
pool = self.useNodepool(configfile, watermark_sleep=1)
|
|
pool.start()
|
|
nodes = self.waitForNodes('fake-label')
|
|
self.assertEqual(len(nodes), 1)
|
|
|
|
req = zk.NodeRequest()
|
|
req.state = zk.REQUESTED
|
|
req.node_types.append('fake-label')
|
|
|
|
with mock.patch("nodepool.nodeutils.nodescan") as nodescan_mock:
|
|
nodescan_mock.side_effect = OSError
|
|
self.zk.storeNodeRequest(req)
|
|
self.waitForNodeDeletion(nodes[0])
|
|
|
|
self.log.debug("Waiting for request %s", req.id)
|
|
req = self.waitForNodeRequest(req)
|
|
|
|
self.assertEqual(req.state, zk.FULFILLED)
|
|
self.assertEqual(len(req.nodes), 1)
|
|
self.assertNotEqual(req.nodes[0], nodes[0].id)
|
|
|
|
def test_host_key_checking_toggle(self):
|
|
"""Test that host key checking can be disabled"""
|
|
configfile = self.setup_config('static-no-check.yaml')
|
|
with mock.patch("nodepool.nodeutils.nodescan") as nodescan_mock:
|
|
pool = self.useNodepool(configfile, watermark_sleep=1)
|
|
pool.start()
|
|
nodes = self.waitForNodes('fake-label')
|
|
self.assertEqual(len(nodes), 1)
|
|
nodescan_mock.assert_not_called()
|
|
|
|
def test_static_shell_type(self):
|
|
'''
|
|
Test that static python-path works.
|
|
'''
|
|
configfile = self.setup_config('static-shell-type.yaml')
|
|
pool = self.useNodepool(configfile, watermark_sleep=1)
|
|
pool.start()
|
|
|
|
self.log.debug("Waiting for node pre-registration")
|
|
nodes = self.waitForNodes('fake-label')
|
|
self.assertEqual(nodes[0].shell_type, "cmd")
|
|
|
|
nodes[0].state = zk.USED
|
|
self.zk.storeNode(nodes[0])
|
|
|
|
self.log.debug("Waiting for node to be re-available")
|
|
nodes = self.waitForNodes('fake-label')
|
|
self.assertEqual(nodes[0].shell_type, "cmd")
|
|
|
|
def test_missing_static_node(self):
|
|
"""Test that a missing static node is added"""
|
|
configfile = self.setup_config('static-2-nodes.yaml')
|
|
pool = self.useNodepool(configfile, watermark_sleep=1)
|
|
pool.start()
|
|
|
|
self.log.debug("Waiting for initial nodes")
|
|
nodes = self.waitForNodes('fake-label', 2)
|
|
self.assertEqual(len(nodes), 2)
|
|
|
|
self.zk.deleteNode(nodes[0])
|
|
|
|
self.log.debug("Waiting for node to transition to ready again")
|
|
nodes = self.waitForNodes('fake-label', 2)
|
|
self.assertEqual(len(nodes), 2)
|