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load_balancer_util_test.go
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// Copyright 2017 Oracle and/or its affiliates. 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 oci
import (
"os"
"reflect"
"testing"
api "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/oracle/oci-go-sdk/common"
"github.com/oracle/oci-go-sdk/loadbalancer"
)
func TestSortAndCombineActions(t *testing.T) {
testCases := map[string]struct {
backendSetActions []Action
listenerActions []Action
expected []Action
}{
"create": {
backendSetActions: []Action{
&BackendSetAction{
name: "TCP-80",
actionType: Create,
BackendSet: loadbalancer.BackendSetDetails{},
},
&BackendSetAction{
name: "TCP-443",
actionType: Create,
BackendSet: loadbalancer.BackendSetDetails{},
},
},
listenerActions: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Create,
Listener: loadbalancer.ListenerDetails{},
},
&ListenerAction{
name: "TCP-80",
actionType: Create,
Listener: loadbalancer.ListenerDetails{},
},
},
expected: []Action{
&BackendSetAction{
name: "TCP-443",
actionType: Create,
BackendSet: loadbalancer.BackendSetDetails{},
},
&ListenerAction{
name: "TCP-443",
actionType: Create,
Listener: loadbalancer.ListenerDetails{},
},
&BackendSetAction{
name: "TCP-80",
actionType: Create,
BackendSet: loadbalancer.BackendSetDetails{},
},
&ListenerAction{
name: "TCP-80",
actionType: Create,
Listener: loadbalancer.ListenerDetails{},
},
},
},
"update": {
backendSetActions: []Action{
&BackendSetAction{
name: "TCP-80",
actionType: Update,
BackendSet: loadbalancer.BackendSetDetails{},
},
&BackendSetAction{
name: "TCP-443",
actionType: Update,
BackendSet: loadbalancer.BackendSetDetails{},
},
},
listenerActions: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Update,
Listener: loadbalancer.ListenerDetails{},
},
&ListenerAction{
name: "TCP-80",
actionType: Update,
Listener: loadbalancer.ListenerDetails{},
},
},
expected: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Update,
Listener: loadbalancer.ListenerDetails{},
},
&BackendSetAction{
name: "TCP-443",
actionType: Update,
BackendSet: loadbalancer.BackendSetDetails{},
},
&ListenerAction{
name: "TCP-80",
actionType: Update,
Listener: loadbalancer.ListenerDetails{},
},
&BackendSetAction{
name: "TCP-80",
actionType: Update,
BackendSet: loadbalancer.BackendSetDetails{},
},
},
},
"delete": {
backendSetActions: []Action{
&BackendSetAction{
name: "TCP-80",
actionType: Delete,
BackendSet: loadbalancer.BackendSetDetails{},
},
&BackendSetAction{
name: "TCP-443",
actionType: Delete,
BackendSet: loadbalancer.BackendSetDetails{},
},
},
listenerActions: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Delete,
Listener: loadbalancer.ListenerDetails{},
},
&ListenerAction{
name: "TCP-80",
actionType: Delete,
Listener: loadbalancer.ListenerDetails{},
},
},
expected: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Delete,
Listener: loadbalancer.ListenerDetails{},
},
&BackendSetAction{
name: "TCP-443",
actionType: Delete,
BackendSet: loadbalancer.BackendSetDetails{},
},
&ListenerAction{
name: "TCP-80",
actionType: Delete,
Listener: loadbalancer.ListenerDetails{},
},
&BackendSetAction{
name: "TCP-80",
actionType: Delete,
BackendSet: loadbalancer.BackendSetDetails{},
},
},
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
result := sortAndCombineActions(tc.backendSetActions, tc.listenerActions)
if !reflect.DeepEqual(result, tc.expected) {
t.Errorf("expected\n%+v\nbut got\n%+v", tc.expected, result)
}
})
}
}
func TestGetBackendSetChanges(t *testing.T) {
var testCases = []struct {
name string
desired map[string]loadbalancer.BackendSetDetails
actual map[string]loadbalancer.BackendSet
expected []Action
}{
{
name: "create backendset",
desired: map[string]loadbalancer.BackendSetDetails{
"one": loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
"two": loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.3"), Port: common.Int(80)},
{IpAddress: common.String("0.0.0.4"), Port: common.Int(80)},
},
},
},
actual: map[string]loadbalancer.BackendSet{
"one": loadbalancer.BackendSet{
Name: common.String("one"),
Backends: []loadbalancer.Backend{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
expected: []Action{
&BackendSetAction{
name: "two",
actionType: Create,
BackendSet: loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.3"), Port: common.Int(80)},
{IpAddress: common.String("0.0.0.4"), Port: common.Int(80)},
},
},
},
},
},
{
name: "update backendset - add backend",
desired: map[string]loadbalancer.BackendSetDetails{
"one": loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
{IpAddress: common.String("0.0.0.1"), Port: common.Int(80)},
},
},
},
actual: map[string]loadbalancer.BackendSet{
"one": loadbalancer.BackendSet{
Name: common.String("one"),
Backends: []loadbalancer.Backend{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
expected: []Action{
&BackendSetAction{
name: "one",
actionType: Update,
BackendSet: loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
{IpAddress: common.String("0.0.0.1"), Port: common.Int(80)},
},
},
OldBackendSet: &loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
},
},
{
name: "update backendset - remove backend",
desired: map[string]loadbalancer.BackendSetDetails{
"one": loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
actual: map[string]loadbalancer.BackendSet{
"one": loadbalancer.BackendSet{
Name: common.String("one"),
Backends: []loadbalancer.Backend{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
{IpAddress: common.String("0.0.0.1"), Port: common.Int(80)},
},
},
},
expected: []Action{
&BackendSetAction{
name: "one",
actionType: Update,
BackendSet: loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
OldBackendSet: &loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
{IpAddress: common.String("0.0.0.1"), Port: common.Int(80)},
},
},
},
},
},
{
name: "remove backendset",
desired: map[string]loadbalancer.BackendSetDetails{},
actual: map[string]loadbalancer.BackendSet{
"one": loadbalancer.BackendSet{
Name: common.String("one"),
Backends: []loadbalancer.Backend{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
expected: []Action{
&BackendSetAction{
name: "one",
actionType: Delete,
BackendSet: loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
},
},
{
name: "no change",
desired: map[string]loadbalancer.BackendSetDetails{
"one": loadbalancer.BackendSetDetails{
Backends: []loadbalancer.BackendDetails{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
actual: map[string]loadbalancer.BackendSet{
"one": loadbalancer.BackendSet{
Name: common.String("one"),
Backends: []loadbalancer.Backend{
{IpAddress: common.String("0.0.0.0"), Port: common.Int(80)},
},
},
},
expected: []Action{},
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
changes := getBackendSetChanges(tt.actual, tt.desired)
if len(changes) == 0 && len(tt.expected) == 0 {
return
}
if !reflect.DeepEqual(changes, tt.expected) {
t.Errorf("expected BackendSetActions\n%+v\nbut got\n%+v", tt.expected, changes)
}
})
}
}
func TestGetListenerChanges(t *testing.T) {
var testCases = []struct {
name string
desired map[string]loadbalancer.ListenerDetails
actual map[string]loadbalancer.Listener
expected []Action
}{
{
name: "create listener",
desired: map[string]loadbalancer.ListenerDetails{"TCP-443": loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-443"),
Protocol: common.String("TCP"),
Port: common.Int(443),
}},
actual: map[string]loadbalancer.Listener{},
expected: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Create,
Listener: loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-443"),
Protocol: common.String("TCP"),
Port: common.Int(443),
},
},
},
},
{
name: "add listener",
desired: map[string]loadbalancer.ListenerDetails{
"TCP-80": loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
},
"TCP-443": loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-443"),
Protocol: common.String("TCP"),
Port: common.Int(443),
},
},
actual: map[string]loadbalancer.Listener{
"TCP-80": loadbalancer.Listener{
Name: common.String("TCP-80"),
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
},
},
expected: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Create,
Listener: loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-443"),
Protocol: common.String("TCP"),
Port: common.Int(443),
},
},
},
},
{
name: "remove listener",
desired: map[string]loadbalancer.ListenerDetails{
"TCP-80": loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
},
},
actual: map[string]loadbalancer.Listener{
"TCP-443": loadbalancer.Listener{
Name: common.String("TCP-443"),
DefaultBackendSetName: common.String("TCP-443"),
Protocol: common.String("TCP"),
Port: common.Int(443),
},
"TCP-80": loadbalancer.Listener{
Name: common.String("TCP-80"),
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
},
},
expected: []Action{
&ListenerAction{
name: "TCP-443",
actionType: Delete,
Listener: loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-443"),
Protocol: common.String("TCP"),
Port: common.Int(443),
},
},
},
},
{
name: "no change",
desired: map[string]loadbalancer.ListenerDetails{
"TCP-80": loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
},
},
actual: map[string]loadbalancer.Listener{
"TCP-80": loadbalancer.Listener{
Name: common.String("TCP-80"),
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
},
},
expected: []Action{},
},
{
name: "ssl config change",
desired: map[string]loadbalancer.ListenerDetails{
"TCP-80": loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
SslConfiguration: &loadbalancer.SslConfigurationDetails{
CertificateName: common.String("desired"),
},
},
},
actual: map[string]loadbalancer.Listener{
"TCP-80": loadbalancer.Listener{
Name: common.String("TCP-80"),
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
SslConfiguration: &loadbalancer.SslConfiguration{
CertificateName: common.String("actual"),
},
},
},
expected: []Action{
&ListenerAction{
name: "TCP-80",
actionType: Update,
Listener: loadbalancer.ListenerDetails{
DefaultBackendSetName: common.String("TCP-80"),
Protocol: common.String("TCP"),
Port: common.Int(80),
SslConfiguration: &loadbalancer.SslConfigurationDetails{
CertificateName: common.String("desired"),
},
},
},
},
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
changes := getListenerChanges(tt.actual, tt.desired)
if len(changes) == 0 && len(tt.expected) == 0 {
return
}
if !reflect.DeepEqual(changes, tt.expected) {
t.Errorf("expected ListenerActions\n%+v\nbut got\n%+v", tt.expected, changes)
}
})
}
}
func TestGetSSLEnabledPorts(t *testing.T) {
testCases := []struct {
name string
annotations map[string]string
expected []int
}{
{
name: "empty",
annotations: map[string]string{},
expected: []int{},
}, {
name: "empty string",
annotations: map[string]string{"service.beta.kubernetes.io/oci-load-balancer-ssl-ports": ""},
expected: []int{},
}, {
name: "443",
annotations: map[string]string{"service.beta.kubernetes.io/oci-load-balancer-ssl-ports": "443"},
expected: []int{443},
}, {
name: "1,2,3",
annotations: map[string]string{"service.beta.kubernetes.io/oci-load-balancer-ssl-ports": "1,2,3"},
expected: []int{1, 2, 3},
}, {
name: "1, 2, 3",
annotations: map[string]string{"service.beta.kubernetes.io/oci-load-balancer-ssl-ports": "1, 2, 3"},
expected: []int{1, 2, 3},
}, {
name: "not-an-integer",
annotations: map[string]string{"service.beta.kubernetes.io/oci-load-balancer-ssl-ports": "not-an-integer"},
expected: nil, // becuase we error
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
sslEnabledPorts, _ := getSSLEnabledPorts(&api.Service{
ObjectMeta: metav1.ObjectMeta{Annotations: tt.annotations},
})
if !reflect.DeepEqual(sslEnabledPorts, tt.expected) {
t.Errorf("getSSLEnabledPorts(%#v) => (%#v), expected (%#v)",
tt.annotations, sslEnabledPorts, tt.expected)
}
})
}
}
func TestParseSeceretString(t *testing.T) {
testCases := []struct {
secretName string
servcieNamespace string
expectedName string
expectedNamespace string
}{
{
secretName: "secret-name",
expectedName: "secret-name",
expectedNamespace: "",
}, {
secretName: "secret-namespace/secret-name",
expectedName: "secret-name",
expectedNamespace: "secret-namespace",
}, {
secretName: "secret-namespace/secret-name/some-extra-stuff",
expectedName: "secret-name",
expectedNamespace: "secret-namespace",
},
}
for _, tt := range testCases {
t.Run(tt.secretName, func(t *testing.T) {
secretNamespace, secretName := parseSecretString(tt.secretName)
if secretNamespace != tt.expectedNamespace || secretName != tt.expectedName {
t.Errorf("parseSecretString(%s, %s) => (%s, %s), expected (%s, %s)",
tt.secretName, tt.servcieNamespace, secretNamespace, secretName, tt.expectedNamespace, tt.expectedName)
}
})
}
}
func TestGetLoadBalancerName(t *testing.T) {
testCases := map[string]struct {
prefix string
service *api.Service
expected string
}{
"no prefix": {
prefix: "",
service: &api.Service{
ObjectMeta: metav1.ObjectMeta{
UID: "fakeuid",
},
},
expected: "fakeuid",
},
"prefix without hyphen": {
prefix: "testprefix",
service: &api.Service{
ObjectMeta: metav1.ObjectMeta{
UID: "fakeuid",
},
},
expected: "testprefix-fakeuid",
},
"prefix with hyphen": {
prefix: "testprefix-",
service: &api.Service{
ObjectMeta: metav1.ObjectMeta{
UID: "fakeuid",
},
},
expected: "testprefix-fakeuid",
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
err := os.Setenv(lbNamePrefixEnvVar, tc.prefix)
if err != nil {
t.Fatal(err)
}
result := GetLoadBalancerName(tc.service)
if result != tc.expected {
t.Errorf("Expected load balancer name `%s` but got `%s`", tc.expected, result)
}
})
}
}