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https://github.com/tailscale/tailscale.git
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0d19f5d421
The log ID types were moved to a separate package so that code that only depend on log ID types do not need to link in the logic for the logtail client itself. Not all code need the logtail client. Signed-off-by: Joe Tsai <joetsai@digital-static.net>
112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package ipnlocal
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import (
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"reflect"
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"testing"
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"time"
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"tailscale.com/ipn"
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"tailscale.com/ipn/ipnstate"
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"tailscale.com/ipn/store/mem"
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"tailscale.com/tailcfg"
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"tailscale.com/tstest"
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"tailscale.com/types/key"
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"tailscale.com/types/logger"
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"tailscale.com/types/logid"
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"tailscale.com/types/persist"
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"tailscale.com/wgengine"
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)
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// TestLocalLogLines tests to make sure that the log lines required for log parsing are
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// being logged by the expected functions. Update these tests if moving log lines between
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// functions.
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func TestLocalLogLines(t *testing.T) {
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logListen := tstest.NewLogLineTracker(t.Logf, []string{
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"SetPrefs: %v",
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"[v1] peer keys: %s",
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"[v1] v%v peers: %v",
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})
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defer logListen.Close()
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// Put a rate-limiter with a burst of 0 between the components below.
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// This instructs the rate-limiter to eliminate all logging that
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// isn't explicitly exempt from rate-limiting.
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// This lets the logListen tracker verify that the rate-limiter allows these key lines.
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logf := logger.RateLimitedFnWithClock(logListen.Logf, 5*time.Second, 0, 10, time.Now)
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logid := func(hex byte) logid.PublicID {
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var ret logid.PublicID
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for i := 0; i < len(ret); i++ {
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ret[i] = hex
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}
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return ret
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}
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idA := logid(0xaa)
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// set up a LocalBackend, super bare bones. No functional data.
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store := new(mem.Store)
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e, err := wgengine.NewFakeUserspaceEngine(logf, 0)
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(e.Close)
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lb, err := NewLocalBackend(logf, idA.String(), store, nil, e, 0)
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if err != nil {
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t.Fatal(err)
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}
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defer lb.Shutdown()
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lb.hostinfo = &tailcfg.Hostinfo{}
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// hacky manual override of the usual log-on-change behaviour of keylogf
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lb.keyLogf = logListen.Logf
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testWantRemain := func(wantRemain ...string) func(t *testing.T) {
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return func(t *testing.T) {
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if remain := logListen.Check(); !reflect.DeepEqual(remain, wantRemain) {
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t.Helper()
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t.Errorf("remain %q, want %q", remain, wantRemain)
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}
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}
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}
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// log prefs line
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persist := &persist.Persist{}
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prefs := ipn.NewPrefs()
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prefs.Persist = persist
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lb.SetPrefs(prefs)
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t.Run("after_prefs", testWantRemain("[v1] peer keys: %s", "[v1] v%v peers: %v"))
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// log peers, peer keys
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lb.mu.Lock()
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lb.parseWgStatusLocked(&wgengine.Status{
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Peers: []ipnstate.PeerStatusLite{{
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TxBytes: 10,
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RxBytes: 10,
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LastHandshake: time.Now(),
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NodeKey: key.NewNode().Public(),
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}},
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})
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lb.mu.Unlock()
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t.Run("after_peers", testWantRemain())
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// Log it again with different stats to ensure it's not dup-suppressed.
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logListen.Reset()
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lb.mu.Lock()
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lb.parseWgStatusLocked(&wgengine.Status{
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Peers: []ipnstate.PeerStatusLite{{
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TxBytes: 11,
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RxBytes: 12,
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LastHandshake: time.Now(),
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NodeKey: key.NewNode().Public(),
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}},
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})
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lb.mu.Unlock()
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t.Run("after_second_peer_status", testWantRemain("SetPrefs: %v"))
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}
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