suite_test.go•20.8 kB
/*
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 subnet_test
import (
"context"
"sort"
"sync"
"testing"
"sigs.k8s.io/karpenter/pkg/test/v1alpha1"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/ec2"
ec2types "github.com/aws/aws-sdk-go-v2/service/ec2/types"
"github.com/samber/lo"
"github.com/aws/karpenter-provider-aws/pkg/apis"
v1 "github.com/aws/karpenter-provider-aws/pkg/apis/v1"
"github.com/aws/karpenter-provider-aws/pkg/operator/options"
"github.com/aws/karpenter-provider-aws/pkg/test"
coreoptions "sigs.k8s.io/karpenter/pkg/operator/options"
coretest "sigs.k8s.io/karpenter/pkg/test"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
. "sigs.k8s.io/karpenter/pkg/test/expectations"
. "sigs.k8s.io/karpenter/pkg/utils/testing"
)
var ctx context.Context
var stop context.CancelFunc
var env *coretest.Environment
var awsEnv *test.Environment
var nodeClass *v1.EC2NodeClass
func TestAWS(t *testing.T) {
ctx = TestContextWithLogger(t)
RegisterFailHandler(Fail)
RunSpecs(t, "SubnetProvider")
}
var _ = BeforeSuite(func() {
env = coretest.NewEnvironment(coretest.WithCRDs(apis.CRDs...), coretest.WithCRDs(v1alpha1.CRDs...))
ctx = coreoptions.ToContext(ctx, coretest.Options(coretest.OptionsFields{FeatureGates: coretest.FeatureGates{ReservedCapacity: lo.ToPtr(true)}}))
ctx = options.ToContext(ctx, test.Options())
ctx, stop = context.WithCancel(ctx)
awsEnv = test.NewEnvironment(ctx, env)
})
var _ = AfterSuite(func() {
stop()
Expect(env.Stop()).To(Succeed(), "Failed to stop environment")
})
var _ = BeforeEach(func() {
ctx = coreoptions.ToContext(ctx, coretest.Options(coretest.OptionsFields{FeatureGates: coretest.FeatureGates{ReservedCapacity: lo.ToPtr(true)}}))
ctx = options.ToContext(ctx, test.Options())
nodeClass = test.EC2NodeClass(v1.EC2NodeClass{
Spec: v1.EC2NodeClassSpec{
AMISelectorTerms: []v1.AMISelectorTerm{{
Alias: "al2@latest",
}},
SubnetSelectorTerms: []v1.SubnetSelectorTerm{
{
Tags: map[string]string{
"*": "*",
},
},
},
SecurityGroupSelectorTerms: []v1.SecurityGroupSelectorTerm{
{
Tags: map[string]string{
"*": "*",
},
},
},
},
})
awsEnv.Reset()
})
var _ = AfterEach(func() {
ExpectCleanedUp(ctx, env.Client)
})
var _ = Describe("SubnetProvider", func() {
Context("List", func() {
It("should discover subnet by ID", func() {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
ID: "subnet-test1",
},
}
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("subnet-test1"),
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
})
It("should discover subnets by IDs", func() {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
ID: "subnet-test1",
},
{
ID: "subnet-test2",
},
}
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("subnet-test1"),
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
{
SubnetId: lo.ToPtr("subnet-test2"),
AvailabilityZone: lo.ToPtr("test-zone-1b"),
AvailabilityZoneId: lo.ToPtr("tstz1-1b"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
})
It("should discover subnets by IDs and tags", func() {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
ID: "subnet-test1",
Tags: map[string]string{"foo": "bar"},
},
{
ID: "subnet-test2",
Tags: map[string]string{"foo": "bar"},
},
}
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("subnet-test1"),
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
{
SubnetId: lo.ToPtr("subnet-test2"),
AvailabilityZone: lo.ToPtr("test-zone-1b"),
AvailabilityZoneId: lo.ToPtr("tstz1-1b"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
})
It("should discover subnets by a single tag", func() {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
Tags: map[string]string{"Name": "test-subnet-1"},
},
}
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("subnet-test1"),
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
})
It("should discover subnets by multiple tag values", func() {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
Tags: map[string]string{"Name": "test-subnet-1"},
},
{
Tags: map[string]string{"Name": "test-subnet-2"},
},
}
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("subnet-test1"),
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
{
SubnetId: lo.ToPtr("subnet-test2"),
AvailabilityZone: lo.ToPtr("test-zone-1b"),
AvailabilityZoneId: lo.ToPtr("tstz1-1b"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
})
It("should discover subnets by IDs intersected with tags", func() {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
ID: "subnet-test2",
Tags: map[string]string{"foo": "bar"},
},
}
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("subnet-test2"),
AvailabilityZone: lo.ToPtr("test-zone-1b"),
AvailabilityZoneId: lo.ToPtr("tstz1-1b"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
})
It("should handle empty pages when describing subnets", func() {
awsEnv.EC2API.DescribeSubnetsBehavior.OutputPages.Add(&ec2.DescribeSubnetsOutput{Subnets: []ec2types.Subnet{}})
awsEnv.EC2API.DescribeSubnetsBehavior.OutputPages.Add(
&ec2.DescribeSubnetsOutput{
Subnets: []ec2types.Subnet{
{SubnetId: aws.String("test-subnet-1000"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-1000")}},
},
},
},
)
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: lo.ToPtr("test-subnet-1000"),
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](10),
VpcId: lo.ToPtr("vpc-test-1"),
},
}, subnets)
Expect(awsEnv.EC2API.DescribeSubnetsBehavior.Calls()).To(Equal(2))
})
It("should not overwrite found values when handling multiple pages of subnets", func() {
awsEnv.EC2API.DescribeSubnetsBehavior.OutputPages.Add(&ec2.DescribeSubnetsOutput{Subnets: []ec2types.Subnet{
{SubnetId: aws.String("test-subnet-1"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-1")}},
},
}})
awsEnv.EC2API.DescribeSubnetsBehavior.OutputPages.Add(
&ec2.DescribeSubnetsOutput{
Subnets: []ec2types.Subnet{
{SubnetId: aws.String("test-subnet-2"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-2")}},
VpcId: lo.ToPtr("vpc-test1"),
},
},
},
)
awsEnv.EC2API.DescribeSubnetsBehavior.OutputPages.Add(
&ec2.DescribeSubnetsOutput{
Subnets: []ec2types.Subnet{
{SubnetId: aws.String("test-subnet-3"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-3")}},
VpcId: lo.ToPtr("vpc-test1"),
},
},
},
)
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{SubnetId: aws.String("test-subnet-1"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-1")}},
VpcId: lo.ToPtr("vpc-test1"),
},
{SubnetId: aws.String("test-subnet-2"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-2")}},
VpcId: lo.ToPtr("vpc-test1"),
},
{SubnetId: aws.String("test-subnet-3"), AvailabilityZone: aws.String("test-zone-1a"), AvailabilityZoneId: aws.String("tstz1-1a"), AvailableIpAddressCount: aws.Int32(10),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-3")}},
VpcId: lo.ToPtr("vpc-test1"),
},
}, subnets)
Expect(awsEnv.EC2API.DescribeSubnetsBehavior.Calls()).To(Equal(3))
})
})
Context("Provider Cache", func() {
It("should resolve subnets from cache that are filtered by id", func() {
expectedSubnets := []ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-1"), SubnetArn: aws.String("test-subnet-arn-1"),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-1")}},
},
}
awsEnv.EC2API.DescribeSubnetsBehavior.Output.Set(&ec2.DescribeSubnetsOutput{Subnets: expectedSubnets})
for _, subnet := range expectedSubnets {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
ID: *subnet.SubnetId,
},
}
// Call list to request from aws and store in the cache
_, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
}
Expect(awsEnv.SubnetCache.Items()).To(HaveLen(1))
for _, cachedObject := range awsEnv.SubnetCache.Items() {
cachedSubnet := cachedObject.Object.([]ec2types.Subnet)
Expect(cachedSubnet).To(HaveLen(1))
lo.Contains(lo.ToSlicePtr(expectedSubnets), lo.ToPtr(cachedSubnet[0]))
}
})
It("should resolve subnets from cache that are filtered by tags", func() {
expectedSubnets := []ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-1"), SubnetArn: aws.String("test-subnet-arn-1"),
Tags: []ec2types.Tag{{Key: aws.String("Name"), Value: aws.String("test-subnet-1")}},
},
}
awsEnv.EC2API.DescribeSubnetsBehavior.Output.Set(&ec2.DescribeSubnetsOutput{Subnets: expectedSubnets})
tagSet := lo.Map(expectedSubnets, func(subnet ec2types.Subnet, _ int) map[string]string {
tag, _ := lo.Find(subnet.Tags, func(tag ec2types.Tag) bool {
return lo.FromPtr(tag.Key) == "Name"
})
return map[string]string{"Name": lo.FromPtr(tag.Value)}
})
for _, tag := range tagSet {
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
Tags: tag,
},
}
// Call list to request from aws and store in the cache
_, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
}
Expect(awsEnv.SubnetCache.Items()).To(HaveLen(1))
for _, cachedObject := range awsEnv.SubnetCache.Items() {
cachedSubnet := cachedObject.Object.([]ec2types.Subnet)
Expect(cachedSubnet).To(HaveLen(1))
lo.Contains(lo.ToSlicePtr(expectedSubnets), lo.ToPtr(cachedSubnet[0]))
}
})
It("should correctly disambiguate AND vs OR semantics for tags", func() {
// AND semantics
awsEnv.EC2API.DescribeSubnetsBehavior.MultiOut.Add(&ec2.DescribeSubnetsOutput{Subnets: []ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-3"), SubnetArn: aws.String("test-subnet-arn-3"),
Tags: []ec2types.Tag{{Key: aws.String("tag-key-1"), Value: aws.String("tag-value-1")}, {Key: aws.String("tag-key-2"), Value: aws.String("tag-value-2")}},
},
}})
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
Tags: map[string]string{"tag-key-1": "tag-value-1", "tag-key-2": "tag-value-2"},
},
}
ExpectApplied(ctx, env.Client, nodeClass)
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-3"),
SubnetArn: aws.String("test-subnet-arn-3"),
},
}, subnets)
// OR semantics
awsEnv.EC2API.DescribeSubnetsBehavior.MultiOut.Add(&ec2.DescribeSubnetsOutput{Subnets: []ec2types.Subnet{
{SubnetId: aws.String("test-subnet-id-2"), SubnetArn: aws.String("test-subnet-arn-2"), Tags: []ec2types.Tag{{Key: aws.String("tag-key-2"), Value: aws.String("tag-value-2")}}},
}})
awsEnv.EC2API.DescribeSubnetsBehavior.MultiOut.Add(&ec2.DescribeSubnetsOutput{Subnets: []ec2types.Subnet{
{SubnetId: aws.String("test-subnet-id-1"), SubnetArn: aws.String("test-subnet-arn-1"), Tags: []ec2types.Tag{{Key: aws.String("tag-key-1"), Value: aws.String("tag-value-1")}}},
}})
nodeClass.Spec.SubnetSelectorTerms = []v1.SubnetSelectorTerm{
{
Tags: map[string]string{"tag-key-1": "tag-value-1"},
},
{
Tags: map[string]string{"tag-key-2": "tag-value-2"},
},
}
ExpectApplied(ctx, env.Client, nodeClass)
subnets, err = awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).To(BeNil())
ExpectConsistsOfSubnets([]ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-1"),
SubnetArn: aws.String("test-subnet-arn-1"),
},
{
SubnetId: aws.String("test-subnet-id-2"),
SubnetArn: aws.String("test-subnet-arn-2"),
},
}, subnets)
cacheItems := awsEnv.SubnetCache.Items()
// There should be 2 cache entries one for each semantic.
Expect(cacheItems).To(HaveLen(2))
// Extract cached subnet arrays for comparison
cachedSubnets := make([][]ec2types.Subnet, 0, len(cacheItems))
for _, item := range cacheItems {
cachedSubnets = append(cachedSubnets, item.Object.([]ec2types.Subnet))
}
// Expect cache to contain result of both look ups.
Expect(cachedSubnets).To(ContainElement(ContainElements(
[]ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-1"),
SubnetArn: aws.String("test-subnet-arn-1"),
Tags: []ec2types.Tag{{Key: aws.String("tag-key-1"), Value: aws.String("tag-value-1")}},
},
{
SubnetId: aws.String("test-subnet-id-2"),
SubnetArn: aws.String("test-subnet-arn-2"),
Tags: []ec2types.Tag{{Key: aws.String("tag-key-2"), Value: aws.String("tag-value-2")}},
},
},
)))
Expect(cachedSubnets).To(ContainElement(
[]ec2types.Subnet{
{
SubnetId: aws.String("test-subnet-id-3"),
SubnetArn: aws.String("test-subnet-arn-3"),
Tags: []ec2types.Tag{{Key: aws.String("tag-key-1"), Value: aws.String("tag-value-1")}, {Key: aws.String("tag-key-2"), Value: aws.String("tag-value-2")}},
},
},
))
})
})
It("should not cause data races when calling List() simultaneously", func() {
wg := sync.WaitGroup{}
for i := 0; i < 10000; i++ {
wg.Add(1)
go func() {
defer wg.Done()
defer GinkgoRecover()
subnets, err := awsEnv.SubnetProvider.List(ctx, nodeClass)
Expect(err).ToNot(HaveOccurred())
Expect(subnets).To(HaveLen(4))
// Sort everything in parallel and ensure that we don't get data races
sort.Slice(subnets, func(i, j int) bool {
if int(*subnets[i].AvailableIpAddressCount) != int(*subnets[j].AvailableIpAddressCount) {
return int(*subnets[i].AvailableIpAddressCount) > int(*subnets[j].AvailableIpAddressCount)
}
return *subnets[i].SubnetId < *subnets[j].SubnetId
})
Expect(subnets).To(BeEquivalentTo([]ec2types.Subnet{
{
AvailabilityZone: lo.ToPtr("test-zone-1a"),
AvailabilityZoneId: lo.ToPtr("tstz1-1a"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
SubnetId: lo.ToPtr("subnet-test1"),
MapPublicIpOnLaunch: lo.ToPtr(false),
Tags: []ec2types.Tag{
{
Key: lo.ToPtr("Name"),
Value: lo.ToPtr("test-subnet-1"),
},
{
Key: lo.ToPtr("foo"),
Value: lo.ToPtr("bar"),
},
},
VpcId: lo.ToPtr("vpc-test1"),
},
{
AvailabilityZone: lo.ToPtr("test-zone-1b"),
AvailabilityZoneId: lo.ToPtr("tstz1-1b"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
MapPublicIpOnLaunch: lo.ToPtr(true),
SubnetId: lo.ToPtr("subnet-test2"),
Tags: []ec2types.Tag{
{
Key: lo.ToPtr("Name"),
Value: lo.ToPtr("test-subnet-2"),
},
{
Key: lo.ToPtr("foo"),
Value: lo.ToPtr("bar"),
},
},
VpcId: lo.ToPtr("vpc-test1"),
},
{
AvailabilityZone: lo.ToPtr("test-zone-1c"),
AvailabilityZoneId: lo.ToPtr("tstz1-1c"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
SubnetId: lo.ToPtr("subnet-test3"),
Tags: []ec2types.Tag{
{
Key: lo.ToPtr("Name"),
Value: lo.ToPtr("test-subnet-3"),
},
{
Key: lo.ToPtr("TestTag"),
},
{
Key: lo.ToPtr("foo"),
Value: lo.ToPtr("bar"),
},
},
VpcId: lo.ToPtr("vpc-test1"),
},
{
AvailabilityZone: lo.ToPtr("test-zone-1a-local"),
AvailabilityZoneId: lo.ToPtr("tstz1-1alocal"),
AvailableIpAddressCount: lo.ToPtr[int32](100),
SubnetId: lo.ToPtr("subnet-test4"),
MapPublicIpOnLaunch: lo.ToPtr(true),
Tags: []ec2types.Tag{
{
Key: lo.ToPtr("Name"),
Value: lo.ToPtr("test-subnet-4"),
},
},
VpcId: lo.ToPtr("vpc-test1"),
},
}))
}()
}
wg.Wait()
})
})
func ExpectConsistsOfSubnets(expected, actual []ec2types.Subnet) {
GinkgoHelper()
Expect(actual).To(HaveLen(len(expected)))
for _, elem := range expected {
_, ok := lo.Find(actual, func(s ec2types.Subnet) bool {
return lo.FromPtr(s.SubnetId) == lo.FromPtr(elem.SubnetId) &&
lo.FromPtr(s.AvailabilityZoneId) == lo.FromPtr(elem.AvailabilityZoneId) &&
lo.FromPtr(s.AvailabilityZone) == lo.FromPtr(elem.AvailabilityZone) &&
lo.FromPtr(s.AvailableIpAddressCount) == lo.FromPtr(elem.AvailableIpAddressCount)
})
Expect(ok).To(BeTrue(), `Expected subnet with {"SubnetId": %q, "AvailabilityZone": %q, "AvailableIpAddressCount": %q} to exist`, lo.FromPtr(elem.SubnetId), lo.FromPtr(elem.AvailabilityZone), lo.FromPtr(elem.AvailableIpAddressCount))
}
}