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Handle peer interface config change (#348)

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Before this change, NetBird Agent wasn't handling
peer interface configuration changes dynamically.
Also, remote peer configuration changes have
not been applied (e.g. AllowedIPs changed).
Not a very common cause, but still it should be handled.
Now, Agent reacts to PeerConfig changes sent from the
management service and restarts remote connections
if AllowedIps have been changed.
This commit is contained in:
Misha Bragin
2022-06-04 19:41:01 +02:00
committed by GitHub
parent 60ac8c3268
commit e6e9f0322f
13 changed files with 278 additions and 83 deletions
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14
management/server/network.go
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@@ -11,6 +11,16 @@ import (
"time"
)
const (
// SubnetSize is a size of the subnet of the global network, e.g. 100.77.0.0/16
SubnetSize = 16
// NetSize is a global network size 100.64.0.0/10
NetSize = 10
// AllowedIPsFormat generates Wireguard AllowedIPs format (e.g. 100.64.30.1/32)
AllowedIPsFormat = "%s/32"
)
type NetworkMap struct {
Peers []*Peer
Network *Network
@@ -31,8 +41,8 @@ type Network struct {
// It takes a random /16 subnet from 100.64.0.0/10 (64 different subnets)
func NewNetwork() *Network {
n := iplib.NewNet4(net.ParseIP("100.64.0.0"), 10)
sub, _ := n.Subnet(16)
n := iplib.NewNet4(net.ParseIP("100.64.0.0"), NetSize)
sub, _ := n.Subnet(SubnetSize)
s := rand.NewSource(time.Now().Unix())
r := rand.New(s)