241 lines
9.8 KiB
Python
241 lines
9.8 KiB
Python
# Copyright (C) 2018 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 base64
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import fixtures
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import logging
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import os
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import tempfile
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import time
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from unittest.mock import patch
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import boto3
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from moto import mock_ec2
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import yaml
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from nodepool import tests
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from nodepool import zk
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from nodepool.nodeutils import iterate_timeout
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class TestDriverAws(tests.DBTestCase):
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log = logging.getLogger("nodepool.TestDriverAws")
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def _wait_for_provider(self, nodepool, provider):
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for _ in iterate_timeout(
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30, Exception, 'wait for provider'):
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try:
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provider_manager = nodepool.getProviderManager(provider)
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if provider_manager.ec2 is not None:
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break
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except Exception:
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pass
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@mock_ec2
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def _test_ec2_machine(self, label,
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is_valid_config=True,
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host_key_checking=True,
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userdata=None,
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public_ip=True,
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tags=[]):
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aws_id = 'AK000000000000000000'
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aws_key = '0123456789abcdef0123456789abcdef0123456789abcdef'
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self.useFixture(
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fixtures.EnvironmentVariable('AWS_ACCESS_KEY_ID', aws_id))
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self.useFixture(
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fixtures.EnvironmentVariable('AWS_SECRET_ACCESS_KEY', aws_key))
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ec2_resource = boto3.resource('ec2', region_name='us-west-2')
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ec2 = boto3.client('ec2', region_name='us-west-2')
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# TEST-NET-3
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vpc = ec2.create_vpc(CidrBlock='203.0.113.0/24')
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subnet = ec2.create_subnet(
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CidrBlock='203.0.113.128/25', VpcId=vpc['Vpc']['VpcId'])
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subnet_id = subnet['Subnet']['SubnetId']
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sg = ec2.create_security_group(
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GroupName='zuul-nodes', VpcId=vpc['Vpc']['VpcId'],
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Description='Zuul Nodes')
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sg_id = sg['GroupId']
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ec2_template = os.path.join(
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os.path.dirname(__file__), '..', 'fixtures', 'aws.yaml')
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with open(ec2_template) as f:
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raw_config = yaml.safe_load(f)
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raw_config['zookeeper-servers'][0] = {
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'host': self.zookeeper_host,
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'port': self.zookeeper_port,
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'chroot': self.zookeeper_chroot,
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}
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raw_config['providers'][0]['pools'][0]['subnet-id'] = subnet_id
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raw_config['providers'][0]['pools'][0]['security-group-id'] = sg_id
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raw_config['providers'][0]['pools'][1]['subnet-id'] = subnet_id
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raw_config['providers'][0]['pools'][1]['security-group-id'] = sg_id
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raw_config['providers'][0]['pools'][2]['subnet-id'] = subnet_id
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raw_config['providers'][0]['pools'][2]['security-group-id'] = sg_id
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raw_config['providers'][0]['pools'][3]['subnet-id'] = subnet_id
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raw_config['providers'][0]['pools'][3]['security-group-id'] = sg_id
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raw_config['providers'][0]['pools'][4]['subnet-id'] = subnet_id
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raw_config['providers'][0]['pools'][4]['security-group-id'] = sg_id
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raw_config['providers'][0]['pools'][5]['subnet-id'] = subnet_id
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raw_config['providers'][0]['pools'][5]['security-group-id'] = sg_id
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with tempfile.NamedTemporaryFile() as tf:
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tf.write(yaml.safe_dump(
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raw_config, default_flow_style=False).encode('utf-8'))
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tf.flush()
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configfile = self.setup_config(tf.name)
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pool = self.useNodepool(configfile, watermark_sleep=1)
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pool.start()
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self._wait_for_provider(pool, 'ec2-us-west-2')
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provider_manager = pool.getProviderManager('ec2-us-west-2')
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# Note: boto3 doesn't handle private ip addresses correctly
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# when in fake mode so we need to intercept the
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# create_instances call and validate the args we supply.
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def _fake_create_instances(*args, **kwargs):
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self.assertIsNotNone(kwargs.get('NetworkInterfaces'))
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interfaces = kwargs.get('NetworkInterfaces')
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self.assertEqual(1, len(interfaces))
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if not public_ip:
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self.assertEqual(
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False,
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interfaces[0].get('AssociatePublicIpAddress'))
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return provider_manager.ec2.create_instances_orig(
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*args, **kwargs)
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provider_manager.ec2.create_instances_orig = \
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provider_manager.ec2.create_instances
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provider_manager.ec2.create_instances = _fake_create_instances
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req = zk.NodeRequest()
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req.state = zk.REQUESTED
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req.node_types.append(label)
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with patch('nodepool.driver.aws.handler.nodescan') as nodescan:
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nodescan.return_value = 'MOCK KEY'
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self.zk.storeNodeRequest(req)
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self.log.debug("Waiting for request %s", req.id)
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req = self.waitForNodeRequest(req)
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if is_valid_config is False:
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self.assertEqual(req.state, zk.FAILED)
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self.assertEqual(req.nodes, [])
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return
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self.assertEqual(req.state, zk.FULFILLED)
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self.assertNotEqual(req.nodes, [])
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node = self.zk.getNode(req.nodes[0])
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self.assertEqual(node.allocated_to, req.id)
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self.assertEqual(node.state, zk.READY)
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self.assertIsNotNone(node.launcher)
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self.assertEqual(node.connection_type, 'ssh')
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self.assertEqual(node.attributes,
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{'key1': 'value1', 'key2': 'value2'})
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if host_key_checking:
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nodescan.assert_called_with(
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node.interface_ip,
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port=22,
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timeout=180,
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gather_hostkeys=True)
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if userdata:
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instance = ec2_resource.Instance(node.external_id)
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response = instance.describe_attribute(
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Attribute='userData')
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self.assertIn('UserData', response)
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userdata = base64.b64decode(
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response['UserData']['Value']).decode()
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self.assertEqual('fake-user-data', userdata)
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if tags:
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instance = ec2_resource.Instance(node.external_id)
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tag_list = instance.tags
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for tag in tags:
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self.assertIn(tag, tag_list)
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# A new request will be paused and for lack of quota
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# until this one is deleted
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req2 = zk.NodeRequest()
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req2.state = zk.REQUESTED
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req2.node_types.append(label)
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self.zk.storeNodeRequest(req2)
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req2 = self.waitForNodeRequest(
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req2, (zk.PENDING, zk.FAILED, zk.FULFILLED))
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self.assertEqual(req2.state, zk.PENDING)
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# It could flip from PENDING to one of the others,
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# so sleep a bit and be sure
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time.sleep(1)
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req2 = self.waitForNodeRequest(
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req2, (zk.PENDING, zk.FAILED, zk.FULFILLED))
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self.assertEqual(req2.state, zk.PENDING)
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node.state = zk.DELETING
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self.zk.storeNode(node)
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self.waitForNodeDeletion(node)
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req2 = self.waitForNodeRequest(req2,
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(zk.FAILED, zk.FULFILLED))
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self.assertEqual(req2.state, zk.FULFILLED)
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node = self.zk.getNode(req2.nodes[0])
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node.state = zk.DELETING
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self.zk.storeNode(node)
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self.waitForNodeDeletion(node)
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def test_ec2_machine(self):
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self._test_ec2_machine('ubuntu1404')
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def test_ec2_machine_by_filters(self):
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self._test_ec2_machine('ubuntu1404-by-filters')
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def test_ec2_machine_by_filters_capitalized(self):
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self._test_ec2_machine('ubuntu1404-by-capitalized-filters')
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def test_ec2_machine_bad_ami_name(self):
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self._test_ec2_machine('ubuntu1404-bad-ami-name',
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is_valid_config=False)
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def test_ec2_machine_bad_config(self):
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self._test_ec2_machine('ubuntu1404-bad-config',
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is_valid_config=False)
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def test_ec2_machine_non_host_key_checking(self):
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self._test_ec2_machine('ubuntu1404-non-host-key-checking',
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host_key_checking=False)
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def test_ec2_machine_userdata(self):
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self._test_ec2_machine('ubuntu1404-userdata',
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userdata=True)
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def test_ec2_machine_private_ip(self):
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self._test_ec2_machine('ubuntu1404-private-ip',
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public_ip=False)
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def test_ec2_machine_tags(self):
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self._test_ec2_machine('ubuntu1404-with-tags',
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tags=[
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{"Key": "has-tags", "Value": "true"},
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{"Key": "Name",
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"Value": "ubuntu1404-with-tags"}
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])
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def test_ec2_machine_name_tag(self):
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self._test_ec2_machine('ubuntu1404-with-name-tag',
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tags=[
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{"Key": "Name", "Value": "different-name"}
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])
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