43d1d6f243
1. support vlan ippool management 2. support calico ippool management Signed-off-by: Duan Jiong <djduanjiong@gmail.com>
38 lines
939 B
Go
38 lines
939 B
Go
/*
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Copyright 2020 The KubeSphere authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"fmt"
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"math/rand"
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"net"
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)
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func EthRandomAddr(ip net.IP) string {
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buf := make([]byte, 2)
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rand.Read(buf)
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// Clear multicast bit
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buf[0] &= 0xfe
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// Set the local bit
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buf[0] |= 2
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//TODO support ipv6
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buf = append(buf, []byte(ip)...)
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return fmt.Sprintf("%02x:%02x:%02x:%02x:%02x:%02x", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5])
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}
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