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minor config refactor and management IP

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This commit is contained in:
Pavel Sviderski
2024-09-05 12:22:53 +10:00
parent 3f71aec275
commit 4656bdd132
3 changed files with 66 additions and 48 deletions
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internal/machine/network/config.go
+2 -2
View File
@@ -17,7 +17,7 @@ type Config struct {
// Subnet is the IPv4 address range allocated to the machine. The machine's IP address is the first address
// in the subnet. Other IP addresses are allocated to containers running on the machine.
Subnet netip.Prefix
// ManagementIP is the ManagementIP address assigned to the machine within the WireGuard network. This address is used
// ManagementIP is the IPv6 address assigned to the machine within the WireGuard network. This address is used
// for cluster management traffic, such as gRPC communication with the machine API server and Serf gossip.
ManagementIP netip.Addr
PrivateKey secret.Secret
@@ -27,7 +27,7 @@ type Config struct {
type PeerConfig struct {
Subnet *netip.Prefix `json:",omitempty"`
// ManagementIP is the ManagementIP address assigned to the peer within the WireGuard network. This address is used
// ManagementIP is the IPv6 address assigned to the peer within the WireGuard network. This address is used
// for cluster management traffic, such as gRPC communication with the machine API server and Serf gossip.
ManagementIP netip.Addr
Endpoint *netip.AddrPort `json:",omitempty"`
internal/machine/network/ip.go
+3 -2
View File
@@ -12,8 +12,9 @@ func MachineIP(subnet netip.Prefix) netip.Addr {
return subnet.Masked().Addr().Next()
}
// PeerIPv6 returns the IPv6 address of a peer derived from the first 14 bytes of its public key.
func PeerIPv6(publicKey secret.Secret) netip.Addr {
// ManagementIP returns the IPv6 address of a peer derived from the first 14 bytes of its public key.
// This address is intended for cluster management traffic.
func ManagementIP(publicKey secret.Secret) netip.Addr {
bytes := [16]byte{0xfd, 0xcc}
copy(bytes[2:], publicKey[:14])
return netip.AddrFrom16(bytes)