Separate out the master's control loops
These are "Bootstrap Controllers" as distinct from the controllers in the controller-manager binary - they are necessary for the cluster to start running.
This commit is contained in:
Clayton Coleman
271
pkg/master/controller_test.go
Normal file
271
pkg/master/controller_test.go
Normal file
@@ -0,0 +1,271 @@
|
||||
/*
|
||||
Copyright 2014 The Kubernetes Authors All rights reserved.
|
||||
|
||||
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.
|
||||
*/
|
||||
|
||||
package master
|
||||
|
||||
import (
|
||||
"net"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
|
||||
"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/registrytest"
|
||||
)
|
||||
|
||||
func TestSetEndpoints(t *testing.T) {
|
||||
ns := api.NamespaceDefault
|
||||
om := func(name string) api.ObjectMeta {
|
||||
return api.ObjectMeta{Namespace: ns, Name: name}
|
||||
}
|
||||
tests := []struct {
|
||||
testName string
|
||||
serviceName string
|
||||
ip string
|
||||
port int
|
||||
additionalMasters int
|
||||
endpoints *api.EndpointsList
|
||||
expectUpdate *api.Endpoints // nil means none expected
|
||||
}{
|
||||
{
|
||||
testName: "no existing endpoints",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: nil,
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints satisfy",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints satisfy but too many",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}, {IP: "4.3.2.1"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints satisfy but too many + extra masters",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
additionalMasters: 3,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{
|
||||
{IP: "1.2.3.4"},
|
||||
{IP: "4.3.2.1"},
|
||||
{IP: "4.3.2.2"},
|
||||
{IP: "4.3.2.3"},
|
||||
{IP: "4.3.2.4"},
|
||||
},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{
|
||||
{IP: "1.2.3.4"},
|
||||
{IP: "4.3.2.2"},
|
||||
{IP: "4.3.2.3"},
|
||||
{IP: "4.3.2.4"},
|
||||
},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints satisfy but too many + extra masters + delete first",
|
||||
serviceName: "foo",
|
||||
ip: "4.3.2.4",
|
||||
port: 8080,
|
||||
additionalMasters: 3,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{
|
||||
{IP: "1.2.3.4"},
|
||||
{IP: "4.3.2.1"},
|
||||
{IP: "4.3.2.2"},
|
||||
{IP: "4.3.2.3"},
|
||||
{IP: "4.3.2.4"},
|
||||
},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{
|
||||
{IP: "4.3.2.1"},
|
||||
{IP: "4.3.2.2"},
|
||||
{IP: "4.3.2.3"},
|
||||
{IP: "4.3.2.4"},
|
||||
},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints wrong name",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("bar"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints wrong IP",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "4.3.2.1"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints wrong port",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 9090, Protocol: "TCP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
{
|
||||
testName: "existing endpoints wrong protocol",
|
||||
serviceName: "foo",
|
||||
ip: "1.2.3.4",
|
||||
port: 8080,
|
||||
endpoints: &api.EndpointsList{
|
||||
Items: []api.Endpoints{{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "UDP"}},
|
||||
}},
|
||||
}},
|
||||
},
|
||||
expectUpdate: &api.Endpoints{
|
||||
ObjectMeta: om("foo"),
|
||||
Subsets: []api.EndpointSubset{{
|
||||
Addresses: []api.EndpointAddress{{IP: "1.2.3.4"}},
|
||||
Ports: []api.EndpointPort{{Port: 8080, Protocol: "TCP"}},
|
||||
}},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, test := range tests {
|
||||
master := Controller{MasterCount: test.additionalMasters + 1}
|
||||
registry := ®istrytest.EndpointRegistry{
|
||||
Endpoints: test.endpoints,
|
||||
}
|
||||
master.EndpointRegistry = registry
|
||||
err := master.SetEndpoints(test.serviceName, net.ParseIP(test.ip), test.port)
|
||||
if err != nil {
|
||||
t.Errorf("case %q: unexpected error: %v", test.testName, err)
|
||||
}
|
||||
if test.expectUpdate != nil {
|
||||
if len(registry.Updates) != 1 {
|
||||
t.Errorf("case %q: unexpected updates: %v", test.testName, registry.Updates)
|
||||
} else if e, a := test.expectUpdate, ®istry.Updates[0]; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("case %q: expected update:\n%#v\ngot:\n%#v\n", test.testName, e, a)
|
||||
}
|
||||
}
|
||||
if test.expectUpdate == nil && len(registry.Updates) > 0 {
|
||||
t.Errorf("case %q: no update expected, yet saw: %v", test.testName, registry.Updates)
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user