276 lines
9.2 KiB
Python
276 lines
9.2 KiB
Python
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import re
|
|
|
|
import mock
|
|
import mox
|
|
from oslo.config import cfg
|
|
|
|
from heat.common import exception
|
|
from heat.common import template_format
|
|
from heat.engine import clients
|
|
from heat.engine.resource import Metadata
|
|
from heat.engine.resources import instance
|
|
from heat.engine.resources import loadbalancer as lb
|
|
from heat.engine.resources import wait_condition as wc
|
|
from heat.engine import scheduler
|
|
from heat.engine import stack_user
|
|
from heat.tests.common import HeatTestCase
|
|
from heat.tests import fakes as test_fakes
|
|
from heat.tests import utils
|
|
from heat.tests.v1_1 import fakes
|
|
|
|
|
|
lb_template = '''
|
|
{
|
|
"AWSTemplateFormatVersion": "2010-09-09",
|
|
"Description": "LB Template",
|
|
"Parameters" : {
|
|
"KeyName" : {
|
|
"Description" : "KeyName",
|
|
"Type" : "String",
|
|
"Default" : "test"
|
|
}
|
|
},
|
|
"Resources": {
|
|
"WikiServerOne": {
|
|
"Type": "AWS::EC2::Instance",
|
|
"Properties": {
|
|
"ImageId": "F17-x86_64-gold",
|
|
"InstanceType" : "m1.large",
|
|
"KeyName" : "test",
|
|
"UserData" : "some data"
|
|
}
|
|
},
|
|
"LoadBalancer" : {
|
|
"Type" : "AWS::ElasticLoadBalancing::LoadBalancer",
|
|
"Properties" : {
|
|
"AvailabilityZones" : ["nova"],
|
|
"Instances" : [{"Ref": "WikiServerOne"}],
|
|
"Listeners" : [ {
|
|
"LoadBalancerPort" : "80",
|
|
"InstancePort" : "80",
|
|
"Protocol" : "HTTP"
|
|
}]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
'''
|
|
|
|
lb_template_nokey = '''
|
|
{
|
|
"AWSTemplateFormatVersion": "2010-09-09",
|
|
"Description": "LB Template",
|
|
"Resources": {
|
|
"WikiServerOne": {
|
|
"Type": "AWS::EC2::Instance",
|
|
"Properties": {
|
|
"ImageId": "F17-x86_64-gold",
|
|
"InstanceType" : "m1.large",
|
|
"UserData" : "some data"
|
|
}
|
|
},
|
|
"LoadBalancer" : {
|
|
"Type" : "AWS::ElasticLoadBalancing::LoadBalancer",
|
|
"Properties" : {
|
|
"AvailabilityZones" : ["nova"],
|
|
"Instances" : [{"Ref": "WikiServerOne"}],
|
|
"Listeners" : [ {
|
|
"LoadBalancerPort" : "80",
|
|
"InstancePort" : "80",
|
|
"Protocol" : "HTTP"
|
|
}]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
'''
|
|
|
|
|
|
class LoadBalancerTest(HeatTestCase):
|
|
def setUp(self):
|
|
super(LoadBalancerTest, self).setUp()
|
|
self.fc = fakes.FakeClient()
|
|
self.m.StubOutWithMock(clients.OpenStackClients, 'nova')
|
|
self.m.StubOutWithMock(self.fc.servers, 'create')
|
|
self.m.StubOutWithMock(Metadata, '__set__')
|
|
self.fkc = test_fakes.FakeKeystoneClient(
|
|
username='test_stack.CfnLBUser')
|
|
|
|
cfg.CONF.set_default('heat_waitcondition_server_url',
|
|
'http://server.test:8000/v1/waitcondition')
|
|
utils.setup_dummy_db()
|
|
|
|
def create_loadbalancer(self, t, stack, resource_name):
|
|
rsrc = lb.LoadBalancer(resource_name,
|
|
t['Resources'][resource_name],
|
|
stack)
|
|
self.assertIsNone(rsrc.validate())
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
|
|
return rsrc
|
|
|
|
def _create_stubs(self, key_name='test', stub_meta=True):
|
|
|
|
self.m.StubOutWithMock(stack_user.StackUser, 'keystone')
|
|
stack_user.StackUser.keystone().MultipleTimes().AndReturn(self.fkc)
|
|
|
|
server_name = utils.PhysName(
|
|
utils.PhysName('test_stack', 'LoadBalancer'),
|
|
'LB_instance',
|
|
limit=instance.Instance.physical_resource_name_limit)
|
|
clients.OpenStackClients.nova(
|
|
"compute").MultipleTimes().AndReturn(self.fc)
|
|
clients.OpenStackClients.nova().MultipleTimes().AndReturn(self.fc)
|
|
self.fc.servers.create(
|
|
flavor=2, image=746, key_name=key_name,
|
|
meta=None, nics=None, name=server_name,
|
|
scheduler_hints=None, userdata=mox.IgnoreArg(),
|
|
security_groups=None, availability_zone=None).AndReturn(
|
|
self.fc.servers.list()[1])
|
|
if stub_meta:
|
|
Metadata.__set__(mox.IgnoreArg(),
|
|
mox.IgnoreArg()).AndReturn(None)
|
|
|
|
self.m.StubOutWithMock(wc.WaitConditionHandle, 'get_status')
|
|
wc.WaitConditionHandle.get_status().AndReturn(['SUCCESS'])
|
|
|
|
def test_loadbalancer(self):
|
|
self._create_stubs()
|
|
|
|
self.m.ReplayAll()
|
|
|
|
t = template_format.parse(lb_template)
|
|
s = utils.parse_stack(t)
|
|
s.store()
|
|
|
|
rsrc = self.create_loadbalancer(t, s, 'LoadBalancer')
|
|
|
|
hc = {
|
|
'Target': 'HTTP:80/',
|
|
'HealthyThreshold': '3',
|
|
'UnhealthyThreshold': '5',
|
|
'Interval': '30',
|
|
'Timeout': '5'}
|
|
rsrc.t['Properties']['HealthCheck'] = hc
|
|
self.assertIsNone(rsrc.validate())
|
|
|
|
hc['Timeout'] = 35
|
|
self.assertEqual(
|
|
{'Error': 'Interval must be larger than Timeout'},
|
|
rsrc.validate())
|
|
hc['Timeout'] = 5
|
|
|
|
self.assertEqual('LoadBalancer', rsrc.FnGetRefId())
|
|
|
|
templ = template_format.parse(lb.lb_template_default)
|
|
ha_cfg = rsrc._haproxy_config(templ, rsrc.properties['Instances'])
|
|
|
|
self.assertRegexpMatches(ha_cfg, 'bind \*:80')
|
|
self.assertRegexpMatches(ha_cfg, 'server server1 1\.2\.3\.4:80 '
|
|
'check inter 30s fall 5 rise 3')
|
|
self.assertRegexpMatches(ha_cfg, 'timeout check 5s')
|
|
|
|
id_list = []
|
|
for inst_name in ['WikiServerOne1', 'WikiServerOne2']:
|
|
inst = instance.Instance(inst_name,
|
|
s.t['Resources']['WikiServerOne'],
|
|
s)
|
|
id_list.append(inst.FnGetRefId())
|
|
|
|
rsrc.handle_update(rsrc.json_snippet, {}, {'Instances': id_list})
|
|
|
|
self.assertEqual('4.5.6.7', rsrc.FnGetAtt('DNSName'))
|
|
self.assertEqual('', rsrc.FnGetAtt('SourceSecurityGroup.GroupName'))
|
|
|
|
self.assertRaises(exception.InvalidTemplateAttribute,
|
|
rsrc.FnGetAtt, 'Foo')
|
|
|
|
self.assertIsNone(rsrc.handle_update({}, {}, {}))
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_loadbalancer_nokey(self):
|
|
self._create_stubs(key_name=None, stub_meta=False)
|
|
self.m.ReplayAll()
|
|
|
|
t = template_format.parse(lb_template_nokey)
|
|
s = utils.parse_stack(t)
|
|
s.store()
|
|
|
|
rsrc = self.create_loadbalancer(t, s, 'LoadBalancer')
|
|
self.assertEqual('LoadBalancer', rsrc.name)
|
|
self.m.VerifyAll()
|
|
|
|
def assertRegexpMatches(self, text, expected_regexp, msg=None):
|
|
"""Fail the test unless the text matches the regular expression."""
|
|
if isinstance(expected_regexp, basestring):
|
|
expected_regexp = re.compile(expected_regexp)
|
|
if not expected_regexp.search(text):
|
|
msg = msg or "Regexp didn't match"
|
|
msg = '%s: %r not found in %r' % (msg,
|
|
expected_regexp.pattern, text)
|
|
raise self.failureException(msg)
|
|
|
|
def test_loadbalancer_validate_badtemplate(self):
|
|
cfg.CONF.set_override('loadbalancer_template', '/a/noexist/x.y')
|
|
|
|
t = template_format.parse(lb_template)
|
|
s = utils.parse_stack(t)
|
|
s.store()
|
|
|
|
rsrc = lb.LoadBalancer('LoadBalancer',
|
|
t['Resources']['LoadBalancer'],
|
|
s)
|
|
self.assertRaises(exception.StackValidationFailed, rsrc.validate)
|
|
|
|
def setup_loadbalancer(self, include_keyname=True):
|
|
template = template_format.parse(lb_template)
|
|
if not include_keyname:
|
|
del template['Parameters']['KeyName']
|
|
stack = utils.parse_stack(template)
|
|
|
|
resource_name = 'LoadBalancer'
|
|
lb_json = template['Resources'][resource_name]
|
|
return lb.LoadBalancer(resource_name, lb_json, stack)
|
|
|
|
def test_child_params_without_key_name(self):
|
|
rsrc = self.setup_loadbalancer(False)
|
|
self.assertEqual({}, rsrc.child_params())
|
|
|
|
def test_child_params_with_key_name(self):
|
|
rsrc = self.setup_loadbalancer()
|
|
params = rsrc.child_params()
|
|
self.assertEqual('test', params['KeyName'])
|
|
|
|
def test_child_template_without_key_name(self):
|
|
rsrc = self.setup_loadbalancer(False)
|
|
parsed_template = {
|
|
'Resources': {'LB_instance': {'Properties': {'KeyName': 'foo'}}},
|
|
'Parameters': {'KeyName': 'foo'}
|
|
}
|
|
rsrc.get_parsed_template = mock.Mock(return_value=parsed_template)
|
|
|
|
tmpl = rsrc.child_template()
|
|
self.assertNotIn('KeyName', tmpl['Parameters'])
|
|
self.assertNotIn('KeyName',
|
|
tmpl['Resources']['LB_instance']['Properties'])
|
|
|
|
def test_child_template_with_key_name(self):
|
|
rsrc = self.setup_loadbalancer()
|
|
rsrc.get_parsed_template = mock.Mock(return_value='foo')
|
|
|
|
self.assertEqual('foo', rsrc.child_template())
|