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ipn/ipnlocal, all: plumb health trackers in tests

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I saw some panics in CI, like:

    2024-05-08T04:30:25.9553518Z ## WARNING: (non-fatal) nil health.Tracker (being strict in CI):
    2024-05-08T04:30:25.9554043Z goroutine 801 [running]:
    2024-05-08T04:30:25.9554489Z tailscale.com/health.(*Tracker).nil(0x0)
    2024-05-08T04:30:25.9555086Z 	tailscale.com/health/health.go:185 +0x70
    2024-05-08T04:30:25.9555688Z tailscale.com/health.(*Tracker).SetUDP4Unbound(0x0, 0x0)
    2024-05-08T04:30:25.9556373Z 	tailscale.com/health/health.go:532 +0x2f
    2024-05-08T04:30:25.9557296Z tailscale.com/wgengine/magicsock.(*Conn).bindSocket(0xc0003b4808, 0xc0003b4878, {0x1fbca53, 0x4}, 0x0)
    2024-05-08T04:30:25.9558301Z 	tailscale.com/wgengine/magicsock/magicsock.go:2481 +0x12c5
    2024-05-08T04:30:25.9559026Z tailscale.com/wgengine/magicsock.(*Conn).rebind(0xc0003b4808, 0x0)
    2024-05-08T04:30:25.9559874Z 	tailscale.com/wgengine/magicsock/magicsock.go:2510 +0x16f
    2024-05-08T04:30:25.9561038Z tailscale.com/wgengine/magicsock.NewConn({0xc000063c80, 0x0, 0xc000197930, 0xc000197950, 0xc000197960, {0x0, 0x0}, 0xc000197970, 0xc000198ee0, 0x0, ...})
    2024-05-08T04:30:25.9562402Z 	tailscale.com/wgengine/magicsock/magicsock.go:476 +0xd5f
    2024-05-08T04:30:25.9563779Z tailscale.com/wgengine.NewUserspaceEngine(0xc000063c80, {{0x22c8750, 0xc0001976b0}, 0x0, {0x22c3210, 0xc000063c80}, {0x22c31d8, 0x2d3c900}, 0x0, 0x0, ...})
    2024-05-08T04:30:25.9564982Z 	tailscale.com/wgengine/userspace.go:389 +0x159d
    2024-05-08T04:30:25.9565529Z tailscale.com/ipn/ipnlocal.newTestBackend(0xc000358b60)
    2024-05-08T04:30:25.9566086Z 	tailscale.com/ipn/ipnlocal/serve_test.go:675 +0x2a5
    2024-05-08T04:30:25.9566612Z ta

Updates #11874

Change-Id: I3432ed52d670743e532be4642f38dbd6e3763b1b
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-05-07 21:37:33 -07:00
committed by Brad Fitzpatrick
parent 727c0d6cfd
commit 21509db121
12 changed files with 62 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files
wgengine/userspace_test.go
+7 -3
View File
@@ -15,6 +15,7 @@ import (
"tailscale.com/cmd/testwrapper/flakytest"
"tailscale.com/control/controlknobs"
"tailscale.com/envknob"
"tailscale.com/health"
"tailscale.com/net/dns"
"tailscale.com/net/netaddr"
"tailscale.com/net/tstun"
@@ -98,7 +99,8 @@ func nodeViews(v []*tailcfg.Node) []tailcfg.NodeView {
}
func TestUserspaceEngineReconfig(t *testing.T) {
e, err := NewFakeUserspaceEngine(t.Logf, 0)
ht := new(health.Tracker)
e, err := NewFakeUserspaceEngine(t.Logf, 0, ht)
if err != nil {
t.Fatal(err)
}
@@ -164,9 +166,10 @@ func TestUserspaceEnginePortReconfig(t *testing.T) {
// Keep making a wgengine until we find an unused port
var ue *userspaceEngine
ht := new(health.Tracker)
for i := range 100 {
attempt := uint16(defaultPort + i)
e, err := NewFakeUserspaceEngine(t.Logf, attempt, &knobs)
e, err := NewFakeUserspaceEngine(t.Logf, attempt, &knobs, ht)
if err != nil {
t.Fatal(err)
}
@@ -245,7 +248,8 @@ func TestUserspaceEnginePeerMTUReconfig(t *testing.T) {
var knobs controlknobs.Knobs
e, err := NewFakeUserspaceEngine(t.Logf, 0, &knobs)
ht := new(health.Tracker)
e, err := NewFakeUserspaceEngine(t.Logf, 0, &knobs, ht)
if err != nil {
t.Fatal(err)
}