implement ippool

1. support vlan ippool management
2. support calico ippool management

Signed-off-by: Duan Jiong <djduanjiong@gmail.com>

pkg/controller/network/ippool/ippool_controller_test.go

@@ -0,0 +1,124 @@
+/*
+Copyright 2020 The KubeSphere 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 ippool
+
+import (
+	"flag"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	k8sfake "k8s.io/client-go/kubernetes/fake"
+	"k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/apis/network/v1alpha1"
+	ksfake "kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
+	ksinformers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
+	"kubesphere.io/kubesphere/pkg/controller/network/utils"
+	"kubesphere.io/kubesphere/pkg/simple/client/network/ippool"
+	"kubesphere.io/kubesphere/pkg/simple/client/network/ippool/ipam"
+	"testing"
+)
+
+func TestIPPoolSuit(t *testing.T) {
+	klog.InitFlags(nil)
+	flag.Set("logtostderr", "true")
+	flag.Set("v", "4")
+	flag.Parse()
+	klog.SetOutput(GinkgoWriter)
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "IPPool Suite")
+}
+
+var _ = Describe("test ippool", func() {
+	pool := &v1alpha1.IPPool{
+		TypeMeta: v1.TypeMeta{},
+		ObjectMeta: v1.ObjectMeta{
+			Name: "testippool",
+		},
+		Spec: v1alpha1.IPPoolSpec{
+			Type:      v1alpha1.VLAN,
+			CIDR:      "192.168.0.0/24",
+			BlockSize: 24,
+		},
+		Status: v1alpha1.IPPoolStatus{},
+	}
+
+	ksclient := ksfake.NewSimpleClientset()
+	k8sclinet := k8sfake.NewSimpleClientset()
+	options := ippool.Options{}
+	p := ippool.NewProvider(ksclient, options)
+	ipamClient := ipam.NewIPAMClient(ksclient, v1alpha1.VLAN)
+
+	ksInformer := ksinformers.NewSharedInformerFactory(ksclient, 0)
+	ippoolInformer := ksInformer.Network().V1alpha1().IPPools()
+	ipamblockInformer := ksInformer.Network().V1alpha1().IPAMBlocks()
+	c := NewIPPoolController(ippoolInformer, ipamblockInformer, k8sclinet, ksclient, options, p)
+
+	stopCh := make(chan struct{})
+	go ksInformer.Start(stopCh)
+	go c.Start(stopCh)
+
+	It("test create ippool", func() {
+		_, err := ksclient.NetworkV1alpha1().IPPools().Create(pool)
+		Expect(err).ShouldNot(HaveOccurred())
+		Eventually(func() bool {
+			result, _ := ksclient.NetworkV1alpha1().IPPools().Get(pool.Name, v1.GetOptions{})
+			if len(result.Labels) != 3 {
+				return false
+			}
+
+			if utils.NeedToAddFinalizer(result, v1alpha1.IPPoolFinalizer) {
+				return false
+			}
+
+			return true
+		}).Should(Equal(true))
+	})
+
+	It("test ippool stats", func() {
+		ipamClient.AutoAssign(ipam.AutoAssignArgs{
+			HandleID: "testhandle",
+			Attrs:    nil,
+			Pool:     "testippool",
+		})
+
+		Eventually(func() bool {
+			result, _ := ksclient.NetworkV1alpha1().IPPools().Get(pool.Name, v1.GetOptions{})
+			if result.Status.Allocations != 1 {
+				return false
+			}
+
+			return true
+		}).Should(Equal(true))
+	})
+
+	It("test delete pool", func() {
+		ipamClient.ReleaseByHandle("testhandle")
+		Eventually(func() bool {
+			result, _ := ksclient.NetworkV1alpha1().IPPools().Get(pool.Name, v1.GetOptions{})
+			if result.Status.Allocations != 0 {
+				return false
+			}
+
+			return true
+		}).Should(Equal(true))
+
+		err := ksclient.NetworkV1alpha1().IPPools().Delete(pool.Name, &v1.DeleteOptions{})
+		Expect(err).ShouldNot(HaveOccurred())
+		blocks, _ := ksclient.NetworkV1alpha1().IPAMBlocks().List(v1.ListOptions{})
+		Expect(len(blocks.Items)).Should(Equal(0))
+	})
+})