Prevent peer updates on flapping status and fix route score logic (#920)

Prevent peer updates if the status is not changing from disconnected to connected and vice versa.

Fixed route score calculation, added tests and changed the log message

fixed installer /usr/local/bin creation
This commit is contained in:
Maycon Santos 2023-06-01 16:00:44 +02:00 committed by GitHub
parent 47da362a70
commit 3e9b46f8d8
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 220 additions and 4 deletions

View File

@ -146,6 +146,11 @@ func (d *Status) UpdatePeerState(receivedState State) error {
d.peers[receivedState.PubKey] = peerState
if receivedState.ConnStatus == StatusConnecting ||
(receivedState.ConnStatus == StatusDisconnected && peerState.ConnStatus == StatusConnecting) {
return nil
}
ch, found := d.changeNotify[receivedState.PubKey]
if found && ch != nil {
close(ch)

View File

@ -71,7 +71,7 @@ func (c *clientNetwork) getRouterPeerStatuses() map[string]routerPeerStatus {
}
func (c *clientNetwork) getBestRouteFromStatuses(routePeerStatuses map[string]routerPeerStatus) string {
var chosen string
chosen := ""
chosenScore := 0
currID := ""
@ -85,17 +85,26 @@ func (c *clientNetwork) getBestRouteFromStatuses(routePeerStatuses map[string]ro
if !found || !peerStatus.connected {
continue
}
if r.Metric < route.MaxMetric {
metricDiff := route.MaxMetric - r.Metric
tempScore = metricDiff * 10
}
if !peerStatus.relayed {
tempScore++
}
if !peerStatus.direct {
if peerStatus.direct {
tempScore++
}
if tempScore > chosenScore || (tempScore == chosenScore && currID == r.ID) {
if tempScore > chosenScore || (tempScore == chosenScore && r.ID == currID) {
chosen = r.ID
chosenScore = tempScore
}
if chosen == "" && currID == "" {
chosen = r.ID
chosenScore = tempScore
}
@ -106,7 +115,9 @@ func (c *clientNetwork) getBestRouteFromStatuses(routePeerStatuses map[string]ro
for _, r := range c.routes {
peers = append(peers, r.Peer)
}
log.Warnf("no route was chosen for network %s because no peers from list %s were connected", c.network, peers)
log.Warnf("the network %s has not been assigned a routing peer as no peers from the list %s are currently connected", c.network, peers)
} else if chosen != currID {
log.Infof("new chosen route is %s with peer %s with score %d", chosen, c.routes[chosen].Peer, chosenScore)
}

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@ -0,0 +1,199 @@
package routemanager
import (
"net/netip"
"testing"
"github.com/netbirdio/netbird/route"
)
func TestGetBestrouteFromStatuses(t *testing.T) {
testCases := []struct {
name string
statuses map[string]routerPeerStatus
expectedRouteID string
currentRoute *route.Route
existingRoutes map[string]*route.Route
}{
{
name: "one route",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: false,
direct: true,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
},
currentRoute: nil,
expectedRouteID: "route1",
},
{
name: "one connected routes with relayed and direct",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: true,
direct: true,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
},
currentRoute: nil,
expectedRouteID: "route1",
},
{
name: "one connected routes with relayed and no direct",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: true,
direct: false,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
},
currentRoute: nil,
expectedRouteID: "route1",
},
{
name: "no connected peers",
statuses: map[string]routerPeerStatus{
"route1": {
connected: false,
relayed: false,
direct: false,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
},
currentRoute: nil,
expectedRouteID: "",
},
{
name: "multiple connected peers with different metrics",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: false,
direct: true,
},
"route2": {
connected: true,
relayed: false,
direct: true,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: 9000,
Peer: "peer1",
},
"route2": {
ID: "route2",
Metric: route.MaxMetric,
Peer: "peer2",
},
},
currentRoute: nil,
expectedRouteID: "route1",
},
{
name: "multiple connected peers with one relayed",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: false,
direct: true,
},
"route2": {
connected: true,
relayed: true,
direct: true,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
"route2": {
ID: "route2",
Metric: route.MaxMetric,
Peer: "peer2",
},
},
currentRoute: nil,
expectedRouteID: "route1",
},
{
name: "multiple connected peers with one direct",
statuses: map[string]routerPeerStatus{
"route1": {
connected: true,
relayed: false,
direct: true,
},
"route2": {
connected: true,
relayed: false,
direct: false,
},
},
existingRoutes: map[string]*route.Route{
"route1": {
ID: "route1",
Metric: route.MaxMetric,
Peer: "peer1",
},
"route2": {
ID: "route2",
Metric: route.MaxMetric,
Peer: "peer2",
},
},
currentRoute: nil,
expectedRouteID: "route1",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// create new clientNetwork
client := &clientNetwork{
network: netip.MustParsePrefix("192.168.0.0/24"),
routes: tc.existingRoutes,
chosenRoute: tc.currentRoute,
}
chosenRoute := client.getBestRouteFromStatuses(tc.statuses)
if chosenRoute != tc.expectedRouteID {
t.Errorf("expected routeID %s, got %s", tc.expectedRouteID, chosenRoute)
}
})
}
}

View File

@ -5,6 +5,7 @@ AGENT=/usr/local/bin/netbird
LOG_FILE=/var/log/netbird/client_install.log
mkdir -p /var/log/netbird/
mkdir -p /usr/local/bin/
{
echo "Installing NetBird..."