forked from rook/rook
72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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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 clusterd
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import (
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"fmt"
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"net"
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)
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type NetworkInfo struct {
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PublicAddrIPv4 string
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ClusterAddrIPv4 string
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PublicNetwork string // public network and subnet mask in CIDR notation
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ClusterNetwork string // cluster network and subnet mask in CIDR notation
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}
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func VerifyNetworkInfo(networkInfo NetworkInfo) error {
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if err := verifyIPAddr(networkInfo.PublicAddrIPv4); err != nil {
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return err
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}
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if err := verifyIPAddr(networkInfo.ClusterAddrIPv4); err != nil {
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return err
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}
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if err := verifyIPNetwork(networkInfo.PublicNetwork); err != nil {
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return err
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}
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if err := verifyIPNetwork(networkInfo.ClusterNetwork); err != nil {
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return err
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}
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return nil
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}
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func verifyIPAddr(addr string) error {
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if addr == "" {
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// empty strings are OK
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return nil
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}
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if net.ParseIP(addr) == nil {
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return fmt.Errorf("failed to parse IP address %s", addr)
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}
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return nil
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}
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func verifyIPNetwork(network string) error {
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if network == "" {
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// empty strings are OK
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return nil
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}
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_, _, err := net.ParseCIDR(network)
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return err
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}
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