forked from rook/rook
57 lines
1.0 KiB
Go
57 lines
1.0 KiB
Go
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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