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vnet: reduce some log spam

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Updates #13038

Change-Id: I76038a90dfde10a82063988a5b54190074d4b5c5
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-08-08 12:47:54 -07:00
committed by Maisem Ali
parent bb3e95c40d
commit f47a5fe52b
3 changed files with 83 additions and 16 deletions
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78
tstest/integration/nat/nat_test.go
View File

@@ -7,6 +7,7 @@ import (
"context"
"encoding/json"
"errors"
"flag"
"fmt"
"io"
"log"
@@ -27,9 +28,10 @@ import (
"tailscale.com/ipn/ipnstate"
"tailscale.com/tailcfg"
"tailscale.com/tstest/natlab/vnet"
"tailscale.com/types/logger"
)
var logTailscaled = flag.Bool("log-tailscaled", false, "log tailscaled output")
type natTest struct {
tb testing.TB
base string // base image
@@ -94,6 +96,13 @@ func easy(c *vnet.Config) *vnet.Node {
fmt.Sprintf("192.168.%d.1/24", n), vnet.EasyNAT))
}
func one2one(c *vnet.Config) *vnet.Node {
n := c.NumNodes() + 1
return c.AddNode(c.AddNetwork(
fmt.Sprintf("2.%d.%d.%d", n, n, n), // public IP
fmt.Sprintf("172.16.%d.1/24", n), vnet.One2OneNAT))
}
func easyPMP(c *vnet.Config) *vnet.Node {
n := c.NumNodes() + 1
return c.AddNode(c.AddNetwork(
@@ -205,11 +214,13 @@ func (nt *natTest) runTest(node1, node2 addNodeFunc) {
for i, c := range clients {
i, c := i, c
eg.Go(func() error {
wg.Add(1)
go func() {
defer wg.Done()
streamDaemonLogs(ctx, t, c, fmt.Sprintf("node%d:", i))
}()
if *logTailscaled {
wg.Add(1)
go func() {
defer wg.Done()
streamDaemonLogs(ctx, t, c, fmt.Sprintf("node%d:", i))
}()
}
st, err := c.Status(ctx)
if err != nil {
return fmt.Errorf("node%d status: %w", i, err)
@@ -236,10 +247,41 @@ func (nt *natTest) runTest(node1, node2 addNodeFunc) {
t.Fatalf("initial setup: %v", err)
}
route, err := ping(ctx, lc1, sts[1].Self.TailscaleIPs[0])
t.Logf("ping route: %v, %v", logger.AsJSON(route), err)
defer nt.vnet.Close()
pingRes, err := ping(ctx, lc1, sts[1].Self.TailscaleIPs[0])
if err != nil {
t.Fatalf("ping failure: %v", err)
}
route := classifyPing(pingRes)
t.Logf("ping route: %v", route)
}
func classifyPing(pr *ipnstate.PingResult) pingRoute {
if pr == nil {
return routeNil
}
if pr.Endpoint != "" {
ap, err := netip.ParseAddrPort(pr.Endpoint)
if err == nil {
if ap.Addr().IsPrivate() {
return routeLocal
}
return routeDirect
}
}
return routeDERP // presumably
}
type pingRoute string
const (
routeDERP pingRoute = "derp"
routeLocal pingRoute = "local"
routeDirect pingRoute = "direct"
routeNil pingRoute = "nil" // *ipnstate.PingResult is nil
)
func streamDaemonLogs(ctx context.Context, t testing.TB, c *vnet.NodeAgentClient, nodeID string) {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
@@ -336,3 +378,23 @@ func TestEasyPMPHard(t *testing.T) {
nt := newNatTest(t)
nt.runTest(easyPMP, hard)
}
func TestHardHardPMP(t *testing.T) {
nt := newNatTest(t)
nt.runTest(hard, hardPMP)
}
func TestHardHard(t *testing.T) {
nt := newNatTest(t)
nt.runTest(hard, hard)
}
func TestEasyOne2One(t *testing.T) {
nt := newNatTest(t)
nt.runTest(easy, one2one)
}
func TestHardOne2One(t *testing.T) {
nt := newNatTest(t)
nt.runTest(hard, one2one)
}