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# Copyright (c) 2010 Hunter Blanks http://artifex.org/~hblanks/
# All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
"""
Initial, and very limited, unit tests for ELBConnection.
"""
import boto
import time
from tests.compat import unittest
from boto.ec2.elb import ELBConnection
class ELBConnectionTest(unittest.TestCase):
ec2 = True
def setUp(self):
"""Creates a named load balancer that can be safely
deleted at the end of each test"""
self.conn = ELBConnection()
self.name = 'elb-boto-unit-test'
self.availability_zones = ['us-east-1a']
self.listeners = [(80, 8000, 'HTTP')]
self.balancer = self.conn.create_load_balancer(
self.name, self.availability_zones, self.listeners)
# S3 bucket for log tests
self.s3 = boto.connect_s3()
self.timestamp = str(int(time.time()))
self.bucket_name = 'boto-elb-%s' % self.timestamp
self.bucket = self.s3.create_bucket(self.bucket_name)
self.bucket.set_canned_acl('public-read-write')
self.addCleanup(self.cleanup_bucket, self.bucket)
def cleanup_bucket(self, bucket):
for key in bucket.get_all_keys():
key.delete()
bucket.delete()
def tearDown(self):
""" Deletes the test load balancer after every test.
It does not delete EVERY load balancer in your account"""
self.balancer.delete()
def test_build_list_params(self):
params = {}
self.conn.build_list_params(
params, ['thing1', 'thing2', 'thing3'], 'ThingName%d')
expected_params = {
'ThingName1': 'thing1',
'ThingName2': 'thing2',
'ThingName3': 'thing3'
}
self.assertEqual(params, expected_params)
# TODO: for these next tests, consider sleeping until our load
# balancer comes up, then testing for connectivity to
# balancer.dns_name, along the lines of the existing EC2 unit tests.
def test_create_load_balancer(self):
self.assertEqual(self.balancer.name, self.name)
self.assertEqual(self.balancer.availability_zones,
self.availability_zones)
self.assertEqual(self.balancer.listeners, self.listeners)
balancers = self.conn.get_all_load_balancers()
self.assertEqual([lb.name for lb in balancers], [self.name])
def test_create_load_balancer_listeners(self):
more_listeners = [(443, 8001, 'HTTP')]
self.conn.create_load_balancer_listeners(self.name, more_listeners)
balancers = self.conn.get_all_load_balancers()
self.assertEqual([lb.name for lb in balancers], [self.name])
self.assertEqual(
sorted(l.get_tuple() for l in balancers[0].listeners),
sorted(self.listeners + more_listeners)
)
def test_delete_load_balancer_listeners(self):
mod_listeners = [(80, 8000, 'HTTP'), (443, 8001, 'HTTP')]
mod_name = self.name + "-mod"
self.mod_balancer = self.conn.create_load_balancer(
mod_name, self.availability_zones, mod_listeners)
mod_balancers = self.conn.get_all_load_balancers(
load_balancer_names=[mod_name])
self.assertEqual([lb.name for lb in mod_balancers], [mod_name])
self.assertEqual(
sorted([l.get_tuple() for l in mod_balancers[0].listeners]),
sorted(mod_listeners))
self.conn.delete_load_balancer_listeners(self.mod_balancer.name, [443])
mod_balancers = self.conn.get_all_load_balancers(
load_balancer_names=[mod_name])
self.assertEqual([lb.name for lb in mod_balancers], [mod_name])
self.assertEqual([l.get_tuple() for l in mod_balancers[0].listeners],
mod_listeners[:1])
self.mod_balancer.delete()
def test_create_load_balancer_listeners_with_policies(self):
more_listeners = [(443, 8001, 'HTTP')]
self.conn.create_load_balancer_listeners(self.name, more_listeners)
lb_policy_name = 'lb-policy'
self.conn.create_lb_cookie_stickiness_policy(
1000, self.name, lb_policy_name)
self.conn.set_lb_policies_of_listener(
self.name, self.listeners[0][0], lb_policy_name)
app_policy_name = 'app-policy'
self.conn.create_app_cookie_stickiness_policy(
'appcookie', self.name, app_policy_name)
self.conn.set_lb_policies_of_listener(
self.name, more_listeners[0][0], app_policy_name)
balancers = self.conn.get_all_load_balancers(
load_balancer_names=[self.name])
self.assertEqual([lb.name for lb in balancers], [self.name])
self.assertEqual(
sorted(l.get_tuple() for l in balancers[0].listeners),
sorted(self.listeners + more_listeners)
)
# Policy names should be checked here once they are supported
# in the Listener object.
def test_create_load_balancer_backend_with_policies(self):
other_policy_name = 'enable-proxy-protocol'
backend_port = 8081
self.conn.create_lb_policy(
self.name, other_policy_name,
'ProxyProtocolPolicyType', {'ProxyProtocol': True})
self.conn.set_lb_policies_of_backend_server(
self.name, backend_port, [other_policy_name])
balancers = self.conn.get_all_load_balancers(
load_balancer_names=[self.name])
self.assertEqual([lb.name for lb in balancers], [self.name])
self.assertEqual(len(balancers[0].policies.other_policies), 1)
self.assertEqual(balancers[0].policies.other_policies[0].policy_name,
other_policy_name)
self.assertEqual(len(balancers[0].backends), 1)
self.assertEqual(balancers[0].backends[0].instance_port, backend_port)
self.assertEqual(balancers[0].backends[0].policies[0].policy_name,
other_policy_name)
self.conn.set_lb_policies_of_backend_server(self.name, backend_port,
[])
balancers = self.conn.get_all_load_balancers(
load_balancer_names=[self.name])
self.assertEqual([lb.name for lb in balancers], [self.name])
self.assertEqual(len(balancers[0].policies.other_policies), 1)
self.assertEqual(len(balancers[0].backends), 0)
def test_create_load_balancer_complex_listeners(self):
complex_listeners = [
(8080, 80, 'HTTP', 'HTTP'),
(2525, 25, 'TCP', 'TCP'),
]
self.conn.create_load_balancer_listeners(
self.name,
complex_listeners=complex_listeners
)
balancers = self.conn.get_all_load_balancers(
load_balancer_names=[self.name]
)
self.assertEqual([lb.name for lb in balancers], [self.name])
self.assertEqual(
sorted(l.get_complex_tuple() for l in balancers[0].listeners),
# We need an extra 'HTTP' here over what ``self.listeners`` uses.
sorted([(80, 8000, 'HTTP', 'HTTP')] + complex_listeners)
)
def test_load_balancer_access_log(self):
attributes = self.balancer.get_attributes()
self.assertEqual(False, attributes.access_log.enabled)
attributes.access_log.enabled = True
attributes.access_log.s3_bucket_name = self.bucket_name
attributes.access_log.s3_bucket_prefix = 'access-logs'
attributes.access_log.emit_interval = 5
self.conn.modify_lb_attribute(self.balancer.name, 'accessLog',
attributes.access_log)
new_attributes = self.balancer.get_attributes()
self.assertEqual(True, new_attributes.access_log.enabled)
self.assertEqual(self.bucket_name,
new_attributes.access_log.s3_bucket_name)
self.assertEqual('access-logs',
new_attributes.access_log.s3_bucket_prefix)
self.assertEqual(5, new_attributes.access_log.emit_interval)
def test_load_balancer_get_attributes(self):
attributes = self.balancer.get_attributes()
connection_draining = self.conn.get_lb_attribute(self.balancer.name,
'ConnectionDraining')
self.assertEqual(connection_draining.enabled,
attributes.connection_draining.enabled)
self.assertEqual(connection_draining.timeout,
attributes.connection_draining.timeout)
access_log = self.conn.get_lb_attribute(self.balancer.name,
'AccessLog')
self.assertEqual(access_log.enabled, attributes.access_log.enabled)
self.assertEqual(access_log.s3_bucket_name,
attributes.access_log.s3_bucket_name)
self.assertEqual(access_log.s3_bucket_prefix,
attributes.access_log.s3_bucket_prefix)
self.assertEqual(access_log.emit_interval,
attributes.access_log.emit_interval)
cross_zone_load_balancing = self.conn.get_lb_attribute(
self.balancer.name, 'CrossZoneLoadBalancing')
self.assertEqual(cross_zone_load_balancing,
attributes.cross_zone_load_balancing.enabled)
def change_and_verify_load_balancer_connection_draining(
self, enabled, timeout=None):
attributes = self.balancer.get_attributes()
attributes.connection_draining.enabled = enabled
if timeout is not None:
attributes.connection_draining.timeout = timeout
self.conn.modify_lb_attribute(
self.balancer.name, 'ConnectionDraining',
attributes.connection_draining)
attributes = self.balancer.get_attributes()
self.assertEqual(enabled, attributes.connection_draining.enabled)
if timeout is not None:
self.assertEqual(timeout, attributes.connection_draining.timeout)
def test_load_balancer_connection_draining_config(self):
self.change_and_verify_load_balancer_connection_draining(True, 128)
self.change_and_verify_load_balancer_connection_draining(True, 256)
self.change_and_verify_load_balancer_connection_draining(False)
self.change_and_verify_load_balancer_connection_draining(True, 64)
def test_set_load_balancer_policies_of_listeners(self):
more_listeners = [(443, 8001, 'HTTP')]
self.conn.create_load_balancer_listeners(self.name, more_listeners)
lb_policy_name = 'lb-policy'
self.conn.create_lb_cookie_stickiness_policy(
1000,
self.name,
lb_policy_name
)
self.conn.set_lb_policies_of_listener(
self.name,
self.listeners[0][0],
lb_policy_name
)
# Try to remove the policy by passing empty list.
# http://docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/API_SetLoadBalancerPoliciesOfListener.html
# documents this as the way to remove policies.
self.conn.set_lb_policies_of_listener(
self.name,
self.listeners[0][0],
[]
)
if __name__ == '__main__':
unittest.main()
|
