Golang Instance.PrivateDNSName方法代碼示例

func TestNodeAddresses(t *testing.T) {
	// Note these instances have the same name
	// (we test that this produces an error)
	var instance0 ec2.Instance
	var instance1 ec2.Instance

	//0
	instance0.InstanceID = aws.String("instance-same")
	instance0.PrivateDNSName = aws.String("instance-same.ec2.internal")
	instance0.PrivateIPAddress = aws.String("192.168.0.1")
	instance0.PublicIPAddress = aws.String("1.2.3.4")
	instance0.InstanceType = aws.String("c3.large")
	state0 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance0.State = &state0

	//1
	instance1.InstanceID = aws.String("instance-same")
	instance1.PrivateDNSName = aws.String("instance-same.ec2.internal")
	instance1.PrivateIPAddress = aws.String("192.168.0.2")
	instance1.InstanceType = aws.String("c3.large")
	state1 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance1.State = &state1

	instances := []*ec2.Instance{&instance0, &instance1}

	aws1 := mockInstancesResp([]*ec2.Instance{})
	_, err1 := aws1.NodeAddresses("instance-mismatch.ec2.internal")
	if err1 == nil {
		t.Errorf("Should error when no instance found")
	}

	aws2 := mockInstancesResp(instances)
	_, err2 := aws2.NodeAddresses("instance-same.ec2.internal")
	if err2 == nil {
		t.Errorf("Should error when multiple instances found")
	}

	aws3 := mockInstancesResp(instances[0:1])
	addrs3, err3 := aws3.NodeAddresses("instance-same.ec2.internal")
	if err3 != nil {
		t.Errorf("Should not error when instance found")
	}
	if len(addrs3) != 3 {
		t.Errorf("Should return exactly 3 NodeAddresses")
	}
	testHasNodeAddress(t, addrs3, api.NodeInternalIP, "192.168.0.1")
	testHasNodeAddress(t, addrs3, api.NodeLegacyHostIP, "192.168.0.1")
	testHasNodeAddress(t, addrs3, api.NodeExternalIP, "1.2.3.4")
}

func NewFakeAWSServices() *FakeAWSServices {
	s := &FakeAWSServices{}
	s.availabilityZone = "us-east-1a"
	s.ec2 = &FakeEC2{aws: s}
	s.elb = &FakeELB{aws: s}
	s.asg = &FakeASG{aws: s}
	s.metadata = &FakeMetadata{aws: s}

	s.networkInterfacesMacs = []string{"aa:bb:cc:dd:ee:00", "aa:bb:cc:dd:ee:01"}
	s.networkInterfacesVpcIDs = []string{"vpc-mac0", "vpc-mac1"}

	s.instanceId = "i-self"
	s.privateDnsName = "ip-172-20-0-100.ec2.internal"
	var selfInstance ec2.Instance
	selfInstance.InstanceID = &s.instanceId
	selfInstance.PrivateDNSName = &s.privateDnsName
	s.instances = []*ec2.Instance{&selfInstance}

	var tag ec2.Tag
	tag.Key = aws.String(TagNameKubernetesCluster)
	tag.Value = aws.String(TestClusterId)
	selfInstance.Tags = []*ec2.Tag{&tag}

	return s
}

func TestList(t *testing.T) {
	// TODO this setup is not very clean and could probably be improved
	var instance0 ec2.Instance
	var instance1 ec2.Instance
	var instance2 ec2.Instance
	var instance3 ec2.Instance

	//0
	tag0 := ec2.Tag{
		Key:   aws.String("Name"),
		Value: aws.String("foo"),
	}
	instance0.Tags = []*ec2.Tag{&tag0}
	instance0.InstanceID = aws.String("instance0")
	instance0.PrivateDNSName = aws.String("instance0.ec2.internal")
	state0 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance0.State = &state0

	//1
	tag1 := ec2.Tag{
		Key:   aws.String("Name"),
		Value: aws.String("bar"),
	}
	instance1.Tags = []*ec2.Tag{&tag1}
	instance1.InstanceID = aws.String("instance1")
	instance1.PrivateDNSName = aws.String("instance1.ec2.internal")
	state1 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance1.State = &state1

	//2
	tag2 := ec2.Tag{
		Key:   aws.String("Name"),
		Value: aws.String("baz"),
	}
	instance2.Tags = []*ec2.Tag{&tag2}
	instance2.InstanceID = aws.String("instance2")
	instance2.PrivateDNSName = aws.String("instance2.ec2.internal")
	state2 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance2.State = &state2

	//3
	tag3 := ec2.Tag{
		Key:   aws.String("Name"),
		Value: aws.String("quux"),
	}
	instance3.Tags = []*ec2.Tag{&tag3}
	instance3.InstanceID = aws.String("instance3")
	instance3.PrivateDNSName = aws.String("instance3.ec2.internal")
	state3 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance3.State = &state3

	instances := []*ec2.Instance{&instance0, &instance1, &instance2, &instance3}
	aws := mockInstancesResp(instances)

	table := []struct {
		input  string
		expect []string
	}{
		{"blahonga", []string{}},
		{"quux", []string{"instance3.ec2.internal"}},
		{"a", []string{"instance1.ec2.internal", "instance2.ec2.internal"}},
	}

	for _, item := range table {
		result, err := aws.List(item.input)
		if err != nil {
			t.Errorf("Expected call with %v to succeed, failed with %s", item.input, err)
		}
		if e, a := item.expect, result; !reflect.DeepEqual(e, a) {
			t.Errorf("Expected %v, got %v", e, a)
		}
	}
}

func TestGetResources(t *testing.T) {
	var instance0 ec2.Instance
	var instance1 ec2.Instance
	var instance2 ec2.Instance

	//0
	instance0.InstanceID = aws.String("m3.medium")
	instance0.PrivateDNSName = aws.String("m3-medium.ec2.internal")
	instance0.InstanceType = aws.String("m3.medium")
	state0 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance0.State = &state0

	//1
	instance1.InstanceID = aws.String("r3.8xlarge")
	instance1.PrivateDNSName = aws.String("r3-8xlarge.ec2.internal")
	instance1.InstanceType = aws.String("r3.8xlarge")
	state1 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance1.State = &state1

	//2
	instance2.InstanceID = aws.String("unknown.type")
	instance2.PrivateDNSName = aws.String("unknown-type.ec2.internal")
	instance2.InstanceType = aws.String("unknown.type")
	state2 := ec2.InstanceState{
		Name: aws.String("running"),
	}
	instance2.State = &state2

	instances := []*ec2.Instance{&instance0, &instance1, &instance2}

	aws1 := mockInstancesResp(instances)

	res1, err1 := aws1.GetNodeResources("m3-medium.ec2.internal")
	if err1 != nil {
		t.Errorf("Should not error when instance type found: %v", err1)
	}
	e1 := &api.NodeResources{
		Capacity: api.ResourceList{
			api.ResourceCPU:    *resource.NewMilliQuantity(int64(3.0*1000), resource.DecimalSI),
			api.ResourceMemory: *resource.NewQuantity(int64(3.75*1024*1024*1024), resource.BinarySI),
		},
	}
	if !reflect.DeepEqual(e1, res1) {
		t.Errorf("Expected %v, got %v", e1, res1)
	}

	res2, err2 := aws1.GetNodeResources("r3-8xlarge.ec2.internal")
	if err2 != nil {
		t.Errorf("Should not error when instance type found: %v", err2)
	}
	e2 := &api.NodeResources{
		Capacity: api.ResourceList{
			api.ResourceCPU:    *resource.NewMilliQuantity(int64(104.0*1000), resource.DecimalSI),
			api.ResourceMemory: *resource.NewQuantity(int64(244.0*1024*1024*1024), resource.BinarySI),
		},
	}
	if !reflect.DeepEqual(e2, res2) {
		t.Errorf("Expected %v, got %v", e2, res2)
	}

	res3, err3 := aws1.GetNodeResources("unknown-type.ec2.internal")
	if err3 != nil {
		t.Errorf("Should not error when unknown instance type")
	}
	if res3 != nil {
		t.Errorf("Should return nil resources when unknown instance type")
	}
}