def test_add_new_route(self):
con, d, i1, eni1, i2, eni2, rt_id = self._prepare_mock_env()
self.lc.clear()
vpc._add_new_route("10.9.0.0/16", self.i1ip, d, con, rt_id)
self.lc.check(('root', 'INFO', "--- adding route in RT '%s' "
"10.9.0.0/16 -> %s (%s, %s)" %
(rt_id, self.i1ip, i1.id, eni1.id)))
self.lc.clear()
vpc._add_new_route("10.9.0.0/16", "99.99.99.99", d, con, rt_id)
self.lc.check(
('root', 'ERROR', "*** failed to add route in RT '%s' "
"10.9.0.0/16 -> 99.99.99.99 (Could not find instance/eni "
"for '99.99.99.99' in VPC '%s'.)" % (rt_id, self.new_vpc.id)))
def test_update_route(self):
con, d, i1, eni1, i2, eni2, rt_id = self._prepare_mock_env()
route_spec = {"10.9.0.0/16": [self.i1ip]}
d['cluster_node_subnets'] = \
vpc.make_cluster_node_subnet_list(d, route_spec)
vpc._add_new_route("10.9.0.0/16", self.i1ip, d, con, rt_id)
self.lc.clear()
route_spec = {"10.9.0.0/16": [self.i2ip]}
d['cluster_node_subnets'] = \
vpc.make_cluster_node_subnet_list(d, route_spec)
vpc._update_route("10.9.0.0/16", self.i2ip, self.i1ip, d, con, rt_id,
"foobar")
self.lc.check(
('root', 'INFO', "--- updating existing route in RT '%s' "
"10.9.0.0/16 -> %s (%s, %s) "
"(old IP: %s, reason: foobar)" %
(rt_id, self.i2ip, i2.id, eni2.id, self.i1ip)))
self.lc.clear()
vpc._update_route("10.9.0.0/16", "9.9.9.9", self.i2ip, d, con, rt_id,
"foobar")
self.lc.check(
('root', 'ERROR', "*** failed to update route in RT '%s' "
"10.9.0.0/16 -> %s (Could not find instance/eni "
"for '9.9.9.9' in VPC '%s'.)" %
(rt_id, self.i2ip, self.new_vpc.id)))
# Trying to update a non-existent route
self.lc.clear()
vpc._update_route("10.9.9.9/16", self.i1ip, self.i2ip, d, con, rt_id,
"foobar")
self.lc.check(
('root', 'INFO',
"--- updating existing route in RT '%s' 10.9.9.9/16 -> %s "
"(%s, %s) (old IP: %s, reason: foobar)" %
(rt_id, self.i1ip, i1.id, eni1.id, self.i2ip)),
('root', 'ERROR',
"*** failed to update route in RT '%s' 10.9.9.9/16 -> %s "
"(replace_route failed: u'%s~10.9.9.9/16')" %
(rt_id, self.i2ip, rt_id)))
def test_get_host_for_route(self):
con, d, i1, eni1, i2, eni2, rt_id = self._prepare_mock_env()
vpc._add_new_route("10.9.0.0/16", self.i1ip, d, con, rt_id)
rt = d['route_tables'][0]
self.assertEqual(rt.id, rt_id)
route = rt.routes[0]
# Moto doesn't maintain intance or interface ID in the routes
# correctly, so need to set this one manually
route.instance_id = i1.id
route.interface_id = eni1.id
# Find correct host for route (the passed in cidr is only used for
# logging)
self.assertEqual((i1.id, self.i1ip, eni1.id),
vpc._get_host_for_route(d, route, rt, "cidr-log"))
# Look for broken route without an instance id
route.instance_id = None
self.lc.clear()
self.assertEqual(('(unknown)', None, '(unknown)'),
vpc._get_host_for_route(d, route, rt, "cidr-log"))
self.lc.check(
('root', 'INFO', "--- obsoleted route in RT '%s' cidr-log -> "
"... (doesn't point to instance anymore)" % rt_id))
# Look for broken route with instance id for non-existent instance
route.instance_id = "blah"
self.lc.clear()
self.assertEqual(('(unknown)', None, '(unknown)'),
vpc._get_host_for_route(d, route, rt, "cidr-log"))
self.lc.check(('root', 'INFO',
"--- instance in route in RT '%s' can't be found: "
"cidr-log -> ... (instance 'blah')" % rt_id))
def test_update_existing_routes(self):
con, d, i1, eni1, i2, eni2, rt_id = self._prepare_mock_env()
vpc._add_new_route("10.0.0.0/16", self.i1ip, d, con, rt_id)
route_spec = {u"10.0.0.0/16": [self.i1ip]}
routes_in_rts = {}
# Test that a protected route doesn't get updated
self.lc.clear()
CURRENT_STATE.ignore_routes = ["10.0.0.0/8"]
vpc._update_existing_routes(route_spec, [], [], d, con, routes_in_rts)
self.assertTrue(rt_id in CURRENT_STATE.vpc_state['route_tables'])
self.assertTrue(
"10.0.0.0/16" in CURRENT_STATE.vpc_state['route_tables'][rt_id])
self.assertTrue("Ignored: Protected CIDR" in CURRENT_STATE.
vpc_state['route_tables'][rt_id]["10.0.0.0/16"])
self.lc.check()
# Now we un-protect the route and try again. Moto doesn't manage the
# instance or interface ID in routes, so this will fail, because the
# route doesn't look like it's pointing to an instance
CURRENT_STATE.ignore_routes = []
vpc._update_existing_routes(route_spec, [], [], d, con, routes_in_rts)
self.assertTrue("Ignored: Not a route to an instance" in CURRENT_STATE.
vpc_state['route_tables'][rt_id]["10.0.0.0/16"])
self.lc.check()
# Now we manually set the instance and eni id in the route, so that the
# test can proceed.
rt = d['route_tables'][0]
self.assertEqual(rt.id, rt_id)
route = rt.routes[0]
# Moto doesn't maintain intance or interface ID in the routes
# correctly, so need to set this one manually. This time the route spec
# won't contain eligible hosts.
route.instance_id = i1.id
route.interface_id = eni1.id
self.lc.clear()
route_spec = {u"10.0.0.0/16": []}
vpc._update_existing_routes(route_spec, [], [], d, con, routes_in_rts)
self.lc.check(
('root', 'INFO',
"--- route not in spec, deleting in RT '%s': 10.0.0.0/16 -> "
"... (%s, %s)" % (rt_id, i1.id, eni1.id)))
# Get a refresh, since deleting via Boto interface doesn't update the
# cached vpc-info
d = vpc.get_vpc_overview(con, self.new_vpc.id, "ap-southeast-2")
# There shouldn't be any routes left now
rt = d['route_tables'][0]
self.assertFalse(rt.routes)
# Now try again, but with proper route spec. First we need to create
# the route again and manually...
vpc._add_new_route("10.0.0.0/16", self.i1ip, d, con, rt_id)
# ... and update our cached vpc info
d = vpc.get_vpc_overview(con, self.new_vpc.id, "ap-southeast-2")
rt = d['route_tables'][0]
route = rt.routes[0]
route.instance_id = i1.id
route.interface_id = eni1.id
route_spec = {u"10.0.0.0/16": [self.i2ip]}
# Only IP for spec is in failed IPs, can't do anything
self.lc.clear()
vpc._update_existing_routes(route_spec, [self.i2ip], [], d, con,
routes_in_rts)
self.lc.check(('root', 'WARNING',
'--- cannot find available target for route update '
'10.0.0.0/16! Nothing I can do...'))
# Now with available IPs
self.lc.clear()
vpc._update_existing_routes(route_spec, [], [], d, con, routes_in_rts)
self.lc.check(
('root', 'INFO',
"--- updating existing route in RT '%s' 10.0.0.0/16 -> "
"%s (%s, %s) (old IP: %s, reason: old IP failed/questionable "
"or not eligible anymore)" %
(rt_id, self.i2ip, i2.id, eni2.id, self.i1ip)))
# Now with same route spec again
d = vpc.get_vpc_overview(con, self.new_vpc.id, "ap-southeast-2")
rt = d['route_tables'][0]
route = rt.routes[0]
route.instance_id = i2.id
route.interface_id = eni2.id
self.lc.clear()
routes_in_rts = {}
vpc._update_existing_routes(route_spec, [], [], d, con, routes_in_rts)
self.lc.check(('root', 'INFO',
"--- route exists already in RT '%s': 10.0.0.0/16 -> "
"%s (%s, %s)" % (rt_id, self.i2ip, i2.id, eni2.id)))