implement ippool

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

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

pkg/simple/client/network/ippool/calico/options.go

@@ -0,0 +1,23 @@
+/*
+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 calico
+
+type Options struct {
+	IPIPMode    string `json:"ipipMode,omityempty" yaml:"ipipMode,omityempty"`
+	VXLANMode   string `json:"vxlanMode,omityempty" yaml:"vxlanMode,omityempty"`
+	NATOutgoing bool   `json:"natOutgoing,omitempty" yaml:"natOutgoing,omityempty"`
+}