sigs.k8s.io/cluster-api-provider-aws@v1.5.5/controllers/helpers_test.go

/*
Copyright 2022 The Kubernetes Authors.

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 controllers

import (
	"sort"
	"testing"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/service/elb"
	"github.com/golang/mock/gomock"
	"github.com/google/go-cmp/cmp"
	. "github.com/onsi/gomega"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

	infrav1 "sigs.k8s.io/cluster-api-provider-aws/api/v1beta1"
	"sigs.k8s.io/cluster-api-provider-aws/pkg/cloud/scope"
	"sigs.k8s.io/cluster-api-provider-aws/test/mocks"
	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
	"sigs.k8s.io/cluster-api/util/conditions"
)

const DNSName = "www.google.com"

var (
	lbName          = aws.String("test-cluster-apiserver")
	describeLBInput = &elb.DescribeLoadBalancersInput{
		LoadBalancerNames: aws.StringSlice([]string{"test-cluster-apiserver"}),
	}
	describeLBAttributesInput = &elb.DescribeLoadBalancerAttributesInput{
		LoadBalancerName: lbName,
	}
	describeLBOutput = &elb.DescribeLoadBalancersOutput{
		LoadBalancerDescriptions: []*elb.LoadBalancerDescription{
			{
				Scheme:            aws.String(string(infrav1.ClassicELBSchemeInternetFacing)),
				Subnets:           []*string{aws.String("subnet-1")},
				AvailabilityZones: []*string{aws.String("us-east-1a")},
				VPCId:             aws.String("vpc-exists"),
			},
		},
	}
	describeLBAttributesOutput = &elb.DescribeLoadBalancerAttributesOutput{
		LoadBalancerAttributes: &elb.LoadBalancerAttributes{
			CrossZoneLoadBalancing: &elb.CrossZoneLoadBalancing{
				Enabled: aws.Bool(false),
			},
		},
	}
	expectedTags = []*elb.Tag{
		{
			Key:   aws.String("Name"),
			Value: lbName,
		},
		{
			Key:   aws.String("sigs.k8s.io/cluster-api-provider-aws/cluster/test-cluster"),
			Value: aws.String("owned"),
		},
		{
			Key:   aws.String("sigs.k8s.io/cluster-api-provider-aws/role"),
			Value: aws.String("apiserver"),
		},
	}
)

func expectAWSClusterConditions(g *WithT, m *infrav1.AWSCluster, expected []conditionAssertion) {
	g.Expect(len(m.Status.Conditions)).To(BeNumerically(">=", len(expected)), "number of conditions")
	for _, c := range expected {
		actual := conditions.Get(m, c.conditionType)
		g.Expect(actual).To(Not(BeNil()))
		g.Expect(actual.Type).To(Equal(c.conditionType))
		g.Expect(actual.Status).To(Equal(c.status))
		g.Expect(actual.Severity).To(Equal(c.severity))
		g.Expect(actual.Reason).To(Equal(c.reason))
	}
}

func getAWSCluster(name, namespace string) infrav1.AWSCluster {
	return infrav1.AWSCluster{
		ObjectMeta: metav1.ObjectMeta{
			Name:      name,
			Namespace: namespace,
		},
		Spec: infrav1.AWSClusterSpec{
			Region: "us-east-1",
			NetworkSpec: infrav1.NetworkSpec{
				VPC: infrav1.VPCSpec{
					ID:        "vpc-exists",
					CidrBlock: "10.0.0.0/8",
				},
				Subnets: infrav1.Subnets{
					{
						ID:               "subnet-1",
						AvailabilityZone: "us-east-1a",
						CidrBlock:        "10.0.10.0/24",
						IsPublic:         false,
					},
					{
						ID:               "subnet-2",
						AvailabilityZone: "us-east-1c",
						CidrBlock:        "10.0.11.0/24",
						IsPublic:         true,
					},
				},
				SecurityGroupOverrides: map[infrav1.SecurityGroupRole]string{},
			},
			Bastion: infrav1.Bastion{Enabled: true},
		},
	}
}

func getClusterScope(awsCluster infrav1.AWSCluster) (*scope.ClusterScope, error) {
	return scope.NewClusterScope(
		scope.ClusterScopeParams{
			Client: testEnv.Client,
			Cluster: &clusterv1.Cluster{
				ObjectMeta: metav1.ObjectMeta{
					Name: "test-cluster",
				},
			},
			AWSCluster: &awsCluster,
		},
	)
}

func mockedCreateLBCalls(t *testing.T, m *mocks.MockELBAPIMockRecorder) {
	t.Helper()
	m.DescribeLoadBalancers(gomock.Eq(describeLBInput)).
		Return(describeLBOutput, nil).MinTimes(1)
	m.DescribeLoadBalancerAttributes(gomock.Eq(describeLBAttributesInput)).
		Return(describeLBAttributesOutput, nil)
	m.DescribeTags(&elb.DescribeTagsInput{LoadBalancerNames: aws.StringSlice([]string{*lbName})}).Return(
		&elb.DescribeTagsOutput{
			TagDescriptions: []*elb.TagDescription{
				{
					LoadBalancerName: lbName,
					Tags: []*elb.Tag{{
						Key:   aws.String(infrav1.ClusterTagKey("test-cluster-apiserver")),
						Value: aws.String(string(infrav1.ResourceLifecycleOwned)),
					}},
				},
			},
		}, nil)
	m.ModifyLoadBalancerAttributes(gomock.Eq(&elb.ModifyLoadBalancerAttributesInput{
		LoadBalancerAttributes: &elb.LoadBalancerAttributes{
			ConnectionSettings:     &elb.ConnectionSettings{IdleTimeout: aws.Int64(600)},
			CrossZoneLoadBalancing: &elb.CrossZoneLoadBalancing{Enabled: aws.Bool(false)},
		},
		LoadBalancerName: aws.String(""),
	})).MaxTimes(1)

	m.AddTags(gomock.AssignableToTypeOf(&elb.AddTagsInput{})).Return(&elb.AddTagsOutput{}, nil).Do(
		func(actual *elb.AddTagsInput) {
			sortTagsByKey := func(tags []*elb.Tag) {
				sort.Slice(tags, func(i, j int) bool {
					return *(tags[i].Key) < *(tags[j].Key)
				})
			}

			sortTagsByKey(actual.Tags)
			if !cmp.Equal(expectedTags, actual.Tags) {
				t.Fatalf("Actual AddTagsInput did not match expected, Actual : %v, Expected: %v", actual.Tags, expectedTags)
			}
		}).AnyTimes()
	m.RemoveTags(gomock.Eq(&elb.RemoveTagsInput{
		LoadBalancerNames: aws.StringSlice([]string{""}),
		Tags: []*elb.TagKeyOnly{
			{
				Key: aws.String("sigs.k8s.io/cluster-api-provider-aws/cluster/test-cluster-apiserver"),
			},
		},
	})).MaxTimes(1)
	m.ApplySecurityGroupsToLoadBalancer(gomock.Eq(&elb.ApplySecurityGroupsToLoadBalancerInput{
		LoadBalancerName: aws.String(""),
		SecurityGroups:   aws.StringSlice([]string{"sg-apiserver-lb"}),
	})).MaxTimes(1)
	m.RegisterInstancesWithLoadBalancer(gomock.Eq(&elb.RegisterInstancesWithLoadBalancerInput{Instances: []*elb.Instance{{InstanceId: aws.String("two")}}, LoadBalancerName: lbName})).MaxTimes(1)
}

func mockedDeleteLBCalls(m *mocks.MockELBAPIMockRecorder) {
	m.DescribeLoadBalancers(gomock.Eq(describeLBInput)).
		Return(describeLBOutput, nil)
	m.DescribeLoadBalancers(gomock.Eq(describeLBInput)).
		Return(&elb.DescribeLoadBalancersOutput{}, nil).AnyTimes()
	m.DescribeTags(&elb.DescribeTagsInput{LoadBalancerNames: aws.StringSlice([]string{*lbName})}).Return(
		&elb.DescribeTagsOutput{
			TagDescriptions: []*elb.TagDescription{
				{
					LoadBalancerName: lbName,
				},
			},
		}, nil).MaxTimes(1)
	m.DescribeLoadBalancerAttributes(gomock.Eq(describeLBAttributesInput)).
		Return(describeLBAttributesOutput, nil).MaxTimes(1)
	m.DeleteLoadBalancer(gomock.Eq(&elb.DeleteLoadBalancerInput{LoadBalancerName: lbName})).
		Return(&elb.DeleteLoadBalancerOutput{}, nil).MaxTimes(1)
	m.DescribeLoadBalancersPages(gomock.Any(), gomock.Any()).Return(nil).AnyTimes()
}