implement ippool

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

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

pkg/controller/network/nsnetworkpolicy/provider/fake_ns.go

@@ -0,0 +1,65 @@
+/*
+Copyright 2020 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 provider
+
+import (
+	"fmt"
+
+	"github.com/projectcalico/kube-controllers/pkg/converter"
+	api "github.com/projectcalico/libcalico-go/lib/apis/v3"
+	constants "github.com/projectcalico/libcalico-go/lib/backend/k8s/conversion"
+	v1 "k8s.io/api/networking/v1"
+)
+
+func NewFakeNetworkProvider() *FakeNetworkProvider {
+	f := new(FakeNetworkProvider)
+	f.NSNPData = make(map[string]*api.NetworkPolicy)
+	f.policyConverter = converter.NewPolicyConverter()
+	return f
+}
+
+type FakeNetworkProvider struct {
+	NSNPData        map[string]*api.NetworkPolicy
+	policyConverter converter.Converter
+}
+
+func (f *FakeNetworkProvider) Delete(key string) {
+	delete(f.NSNPData, key)
+}
+
+func (f *FakeNetworkProvider) Start(stopCh <-chan struct{}) {
+
+}
+
+func (f *FakeNetworkProvider) Set(np *v1.NetworkPolicy) error {
+	policy, err := f.policyConverter.Convert(np)
+	if err != nil {
+		return err
+	}
+
+	// Add to cache.
+	k := f.policyConverter.GetKey(policy)
+	tmp := policy.(api.NetworkPolicy)
+	f.NSNPData[k] = &tmp
+
+	return nil
+}
+
+func (f *FakeNetworkProvider) GetKey(name, nsname string) string {
+	policyName := fmt.Sprintf(constants.K8sNetworkPolicyNamePrefix + name)
+	return fmt.Sprintf("%s/%s", nsname, policyName)
+}