Golang Service.Annotations方法代碼示例

func TestHandlers(t *testing.T) {
	// There is a single service ns1/s1 in cluster mycluster.
	service := api_v1.Service{
		ObjectMeta: api_v1.ObjectMeta{
			Namespace: "ns1",
			Name:      "s1",
		},
	}
	service2 := api_v1.Service{
		ObjectMeta: api_v1.ObjectMeta{
			Namespace: "ns1",
			Name:      "s1",
			Annotations: map[string]string{
				"A": "B",
			},
		},
	}
	triggerChan := make(chan struct{}, 1)
	triggered := func() bool {
		select {
		case <-triggerChan:
			return true
		default:
			return false
		}
	}

	trigger := NewTriggerOnAllChangesPreproc(
		func(obj pkg_runtime.Object) {
			triggerChan <- struct{}{}
		},
		func(obj pkg_runtime.Object) {
			SetClusterName(obj, "mycluster")
		})

	trigger.OnAdd(&service)
	assert.True(t, triggered())
	name, err := GetClusterName(&service)
	assert.NoError(t, err)
	assert.Equal(t, "mycluster", name)
	trigger.OnDelete(&service)
	assert.True(t, triggered())
	trigger.OnUpdate(&service, &service)
	assert.False(t, triggered())
	trigger.OnUpdate(&service, &service2)
	assert.True(t, triggered())

	trigger2 := NewTriggerOnMetaAndSpecChangesPreproc(
		func(obj pkg_runtime.Object) {
			triggerChan <- struct{}{}
		},
		func(obj pkg_runtime.Object) {
			SetClusterName(obj, "mycluster")
		})

	service.Annotations = make(map[string]string)
	trigger2.OnAdd(&service)
	assert.True(t, triggered())
	name, err = GetClusterName(&service)
	assert.NoError(t, err)
	assert.Equal(t, "mycluster", name)
	trigger2.OnDelete(&service)
	assert.True(t, triggered())
	trigger2.OnUpdate(&service, &service)
	assert.False(t, triggered())
	trigger2.OnUpdate(&service, &service2)
	assert.True(t, triggered())

	service3 := api_v1.Service{
		ObjectMeta: api_v1.ObjectMeta{
			Namespace: "ns1",
			Name:      "s1",
		},
		Status: api_v1.ServiceStatus{
			LoadBalancer: api_v1.LoadBalancerStatus{
				Ingress: []api_v1.LoadBalancerIngress{{
					Hostname: "A",
				}},
			},
		},
	}
	trigger2.OnUpdate(&service, &service3)
	assert.False(t, triggered())
}

func TestGetLoadBalancerSourceRanges(t *testing.T) {
	checkError := func(v string) {
		annotations := make(map[string]string)
		annotations[AnnotationLoadBalancerSourceRangesKey] = v
		svc := v1.Service{}
		svc.Annotations = annotations
		_, err := GetLoadBalancerSourceRanges(&svc)
		if err == nil {
			t.Errorf("Expected error parsing: %q", v)
		}
		svc = v1.Service{}
		svc.Spec.LoadBalancerSourceRanges = strings.Split(v, ",")
		_, err = GetLoadBalancerSourceRanges(&svc)
		if err == nil {
			t.Errorf("Expected error parsing: %q", v)
		}
	}
	checkError("10.0.0.1/33")
	checkError("foo.bar")
	checkError("10.0.0.1/32,*")
	checkError("10.0.0.1/32,")
	checkError("10.0.0.1/32, ")
	checkError("10.0.0.1")

	checkOK := func(v string) netsets.IPNet {
		annotations := make(map[string]string)
		annotations[AnnotationLoadBalancerSourceRangesKey] = v
		svc := v1.Service{}
		svc.Annotations = annotations
		cidrs, err := GetLoadBalancerSourceRanges(&svc)
		if err != nil {
			t.Errorf("Unexpected error parsing: %q", v)
		}
		svc = v1.Service{}
		svc.Spec.LoadBalancerSourceRanges = strings.Split(v, ",")
		cidrs, err = GetLoadBalancerSourceRanges(&svc)
		if err != nil {
			t.Errorf("Unexpected error parsing: %q", v)
		}
		return cidrs
	}
	cidrs := checkOK("192.168.0.1/32")
	if len(cidrs) != 1 {
		t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
	}
	cidrs = checkOK("192.168.0.1/32,192.168.0.1/32")
	if len(cidrs) != 1 {
		t.Errorf("Expected exactly one CIDR (after de-dup): %v", cidrs.StringSlice())
	}
	cidrs = checkOK("192.168.0.1/32,192.168.0.2/32")
	if len(cidrs) != 2 {
		t.Errorf("Expected two CIDRs: %v", cidrs.StringSlice())
	}
	cidrs = checkOK("  192.168.0.1/32 , 192.168.0.2/32   ")
	if len(cidrs) != 2 {
		t.Errorf("Expected two CIDRs: %v", cidrs.StringSlice())
	}
	// check LoadBalancerSourceRanges not specified
	svc := v1.Service{}
	cidrs, err := GetLoadBalancerSourceRanges(&svc)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if len(cidrs) != 1 {
		t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
	}
	if !IsAllowAll(cidrs) {
		t.Errorf("Expected default to be allow-all: %v", cidrs.StringSlice())
	}
	// check SourceRanges annotation is empty
	annotations := make(map[string]string)
	annotations[AnnotationLoadBalancerSourceRangesKey] = ""
	svc = v1.Service{}
	svc.Annotations = annotations
	cidrs, err = GetLoadBalancerSourceRanges(&svc)
	if err != nil {
		t.Errorf("Unexpected error: %v", err)
	}
	if len(cidrs) != 1 {
		t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
	}
	if !IsAllowAll(cidrs) {
		t.Errorf("Expected default to be allow-all: %v", cidrs.StringSlice())
	}
}