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https://github.com/tailscale/tailscale.git
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71029cea2d
This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
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/logtail"
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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/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) logtail.PublicID {
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var ret logtail.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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