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42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
package bridge
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import (
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"fmt"
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"github.com/vishvananda/netlink"
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)
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func SetupVerifyConfiguredAddresses(i *Interface) error {
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// Fetch a single IPv4 and a slice of IPv6 addresses from the bridge.
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addrv4, addrsv6, err := i.Addresses()
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if err != nil {
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return err
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}
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// Verify that the bridge does have an IPv4 address.
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if addrv4.IPNet == nil {
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return fmt.Errorf("Bridge has no IPv4 address configured")
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}
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// Verify that the bridge IPv4 address matches the requested configuration.
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if i.Config.AddressIPv4 != nil && !addrv4.IP.Equal(i.Config.AddressIPv4.IP) {
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return fmt.Errorf("Bridge IPv4 (%s) does not match requested configuration %s", addrv4.IP, i.Config.AddressIPv4.IP)
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}
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// Verify that one of the bridge IPv6 addresses matches the requested
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// configuration.
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if i.Config.EnableIPv6 && !findIPv6Address(netlink.Addr{IPNet: BridgeIPv6}, addrsv6) {
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return fmt.Errorf("Bridge IPv6 addresses do not match the expected bridge configuration %s", BridgeIPv6)
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}
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return nil
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}
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func findIPv6Address(addr netlink.Addr, addresses []netlink.Addr) bool {
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for _, addrv6 := range addresses {
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if addrv6.String() == addr.String() {
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return true
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}
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}
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return false
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}
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