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ipn: move e2e_test back to corp repo.
It depends on corp things, so can't run here anyway. Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson
parent
557b310e67
commit
2b74236567
309
ipn/e2e_test.go
309
ipn/e2e_test.go
@ -1,309 +0,0 @@
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// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build depends_on_currently_unreleased
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package ipn
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import (
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"bytes"
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"context"
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"io/ioutil"
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"net/http"
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"net/http/cookiejar"
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"net/http/httptest"
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"net/url"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/tailscale/wireguard-go/tun/tuntest"
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"github.com/tailscale/wireguard-go/wgcfg"
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"tailscale.com/control/controlclient"
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"tailscale.com/tailcfg"
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"tailscale.com/tstest"
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"tailscale.com/types/logger"
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"tailscale.com/wgengine"
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"tailscale.com/wgengine/magicsock"
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"tailscale.com/wgengine/router"
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"tailscale.com/wgengine/tstun"
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"tailscale.io/control" // not yet released
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)
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func init() {
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// Hacky way to signal to magicsock for now not to bind on the
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// unspecified address. TODO(bradfitz): clean up wgengine's
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// constructors.
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os.Setenv("IN_TS_TEST", "1")
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}
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func TestIPN(t *testing.T) {
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tstest.PanicOnLog()
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rc := tstest.NewResourceCheck()
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defer rc.Assert(t)
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ctx, cancel := context.WithCancel(context.Background())
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// This gets reassigned inside every test, so that the connections
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// all log using the "current" t.Logf function. Sigh.
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current_t := t
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logf := func(s string, args ...interface{}) {
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current_t.Helper()
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current_t.Logf(s, args...)
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}
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// Turn off STUN for the test to make it hermetic.
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// TODO(crawshaw): add a test that runs against a local STUN server.
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magicsock.DisableSTUNForTesting = true
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defer func() { magicsock.DisableSTUNForTesting = false }()
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// TODO(apenwarr): Make resource checks actually pass.
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// They don't right now, because (at least) wgengine doesn't fully
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// shut down.
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// rc := tstest.NewResourceCheck()
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// defer rc.Assert(t)
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var ctl *control.Server
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ctlHandler := func(w http.ResponseWriter, r *http.Request) {
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ctl.ServeHTTP(w, r)
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}
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https := httptest.NewServer(http.HandlerFunc(ctlHandler))
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https.Config.ErrorLog = logger.StdLogger(logf)
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serverURL := https.URL
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tmpdir, err := ioutil.TempDir("", "ipntest")
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if err != nil {
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t.Fatalf("create tempdir: %v\n", err)
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}
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ctl, err = control.New(tmpdir, tmpdir, tmpdir, serverURL, true, logf)
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if err != nil {
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t.Fatalf("create control server: %v\n", ctl)
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}
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defer ctl.Shutdown()
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defer https.Close()
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defer https.CloseClientConnections()
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defer cancel()
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if _, err := ctl.DB().FindOrCreateUser("google", "test1@example.com", "", ""); err != nil {
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t.Fatal(err)
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}
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n1 := newNode(t, ctx, logf, "n1", https, false)
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defer n1.Backend.Shutdown()
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n1.Backend.StartLoginInteractive()
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n2 := newNode(t, ctx, logf, "n2", https, true)
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defer n2.Backend.Shutdown()
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n2.Backend.StartLoginInteractive()
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t.Run("login", func(t *testing.T) {
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current_t = t
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var s1, s2 State
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for {
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logf("\n\nn1.state=%v n2.state=%v\n\n", s1, s2)
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// TODO(crawshaw): switch from || to &&. To do this we need to
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// transmit some data so that the handshake completes on both
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// sides. (Because handshakes are 1RTT, it is the data
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// transmission that completes the handshake.)
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if s1 == Running || s2 == Running {
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// TODO(apenwarr): ensure state sequence.
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// Right now we'll just exit as soon as
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// state==Running, even if the backend is lying or
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// something. Not a great test.
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break
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}
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select {
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case n := <-n1.NotifyCh:
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logf("n1n: %v\n", n)
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if n.State != nil {
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s1 = *n.State
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if s1 == NeedsMachineAuth {
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authNode(t, ctl, n1.Backend)
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}
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}
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case n := <-n2.NotifyCh:
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logf("n2n: %v\n", n)
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if n.State != nil {
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s2 = *n.State
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if s2 == NeedsMachineAuth {
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authNode(t, ctl, n2.Backend)
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}
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}
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case <-time.After(5 * time.Second):
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t.Fatalf("\n\n\nFATAL: timed out waiting for notifications.\n\n\n")
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}
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}
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})
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current_t = t
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n1addr := n1.Backend.NetMap().Addresses[0].IP
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n2addr := n2.Backend.NetMap().Addresses[0].IP
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t.Run("ping n2", func(t *testing.T) {
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current_t = t
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t.Skip("TODO(crawshaw): skipping ping test, it is flaky")
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msg := tuntest.Ping(n2addr.IP(), n1addr.IP())
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n1.ChannelTUN.Outbound <- msg
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select {
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case msgRecv := <-n2.ChannelTUN.Inbound:
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if !bytes.Equal(msg, msgRecv) {
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t.Error("bad ping")
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}
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case <-time.After(1 * time.Second):
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t.Error("no ping seen")
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}
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})
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current_t = t
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t.Run("ping n1", func(t *testing.T) {
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current_t = t
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t.Skip("TODO(crawshaw): skipping ping test, it is flaky")
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msg := tuntest.Ping(n1addr.IP(), n2addr.IP())
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n2.ChannelTUN.Outbound <- msg
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select {
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case msgRecv := <-n1.ChannelTUN.Inbound:
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if !bytes.Equal(msg, msgRecv) {
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t.Error("bad ping")
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}
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case <-time.After(1 * time.Second):
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t.Error("no ping seen")
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}
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})
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current_t = t
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drain:
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for {
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select {
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case <-n1.NotifyCh:
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case <-n2.NotifyCh:
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default:
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break drain
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}
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}
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n1.Backend.Logout()
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t.Run("logout", func(t *testing.T) {
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current_t = t
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var s State
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for {
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select {
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case n := <-n1.NotifyCh:
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if n.State == nil {
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continue
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}
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s = *n.State
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logf("n.State=%v", s)
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if s == NeedsLogin {
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return
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}
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case <-time.After(3 * time.Second):
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t.Fatalf("timeout waiting for logout State=NeedsLogin, got State=%v", s)
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}
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}
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})
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current_t = t
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}
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type testNode struct {
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Backend *LocalBackend
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ChannelTUN *tuntest.ChannelTUN
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NotifyCh <-chan Notify
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}
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// Create a new IPN node.
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func newNode(t *testing.T, ctx context.Context, logfx logger.Logf, prefix string, https *httptest.Server, weirdPrefs bool) testNode {
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t.Helper()
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logfe := logger.WithPrefix(logfx, prefix+"e: ")
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logf := logger.WithPrefix(logfx, prefix+": ")
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var err error
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httpc := https.Client()
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httpc.Jar, err = cookiejar.New(nil)
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if err != nil {
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t.Fatal(err)
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}
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tun := tuntest.NewChannelTUN()
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tundev := tstun.WrapTUN(logfe, tun.TUN())
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e1, err := wgengine.NewUserspaceEngineAdvanced(logfe, tundev, router.NewFake, 0)
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if err != nil {
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t.Fatalf("NewFakeEngine: %v\n", err)
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}
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n, err := NewLocalBackend(logf, prefix, &MemoryStore{}, e1)
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if err != nil {
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t.Fatalf("NewLocalBackend: %v\n", err)
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}
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nch := make(chan Notify, 1000)
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c := controlclient.Persist{
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Provider: "google",
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LoginName: "test1@example.com",
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}
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prefs := NewPrefs()
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prefs.ControlURL = https.URL
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prefs.Persist = &c
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if weirdPrefs {
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// Let's test some nonempty extra prefs fields to make sure
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// the server can handle them.
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prefs.AdvertiseTags = []string{"tag:abc"}
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cidr, err := wgcfg.ParseCIDR("1.2.3.4/24")
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if err != nil {
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t.Fatalf("ParseCIDR: %v", err)
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}
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prefs.AdvertiseRoutes = []wgcfg.CIDR{cidr}
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}
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n.Start(Options{
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HTTPTestClient: httpc,
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FrontendLogID: prefix + "-f",
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Prefs: prefs,
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Notify: func(n Notify) {
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// Automatically visit auth URLs
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if n.BrowseToURL != nil {
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logf("BrowseToURL: %v", *n.BrowseToURL)
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authURL := *n.BrowseToURL
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i := strings.Index(authURL, "/a/")
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if i == -1 {
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panic("bad authURL: " + authURL)
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}
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authURL = authURL[:i] + "/login?refresh=true&next_url=" + url.PathEscape(authURL[i:])
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form := url.Values{"user": []string{c.LoginName}}
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req, err := http.NewRequest("POST", authURL, strings.NewReader(form.Encode()))
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if err != nil {
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t.Fatal(err)
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}
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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if _, err := httpc.Do(req.WithContext(ctx)); err != nil {
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logf("BrowseToURL: %v\n", err)
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}
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}
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nch <- n
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},
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})
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return testNode{
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Backend: n,
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ChannelTUN: tun,
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NotifyCh: nch,
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}
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}
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// Tell the control server to authorize the given node.
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func authNode(t *testing.T, ctl *control.Server, n *LocalBackend) {
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mk := n.prefs.Persist.PrivateMachineKey.Public()
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nk := n.prefs.Persist.PrivateNodeKey.Public()
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ctl.AuthorizeMachine(tailcfg.MachineKey(mk), tailcfg.NodeKey(nk))
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}
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17
ipn/local.go
17
ipn/local.go
@ -1026,3 +1026,20 @@ func (b *LocalBackend) setNetInfo(ni *tailcfg.NetInfo) {
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}
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c.SetNetInfo(ni)
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}
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// TestOnlyPublicKeys returns the current machine and node public
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// keys. Used in tests only to facilitate automated node authorization
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// in the test harness.
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func (b *LocalBackend) TestOnlyPublicKeys() (machineKey tailcfg.MachineKey, nodeKey tailcfg.NodeKey) {
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b.mu.Lock()
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prefs := b.prefs
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b.mu.Unlock()
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if prefs == nil {
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return
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}
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mk := prefs.Persist.PrivateMachineKey.Public()
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nk := prefs.Persist.PrivateNodeKey.Public()
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return tailcfg.MachineKey(mk), tailcfg.NodeKey(nk)
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}
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