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https://github.com/tailscale/tailscale.git
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47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Package loggerx provides logging functions to the rest of the syspolicy packages.
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package loggerx
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import (
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"log"
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"tailscale.com/types/lazy"
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"tailscale.com/types/logger"
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"tailscale.com/util/syspolicy/internal"
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)
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const (
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errorPrefix = "syspolicy: "
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verbosePrefix = "syspolicy: [v2] "
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)
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var (
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lazyErrorf lazy.SyncValue[logger.Logf]
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lazyVerbosef lazy.SyncValue[logger.Logf]
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)
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// Errorf formats and writes an error message to the log.
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func Errorf(format string, args ...any) {
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errorf := lazyErrorf.Get(func() logger.Logf {
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return logger.WithPrefix(log.Printf, errorPrefix)
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})
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errorf(format, args...)
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}
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// Verbosef formats and writes an optional, verbose message to the log.
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func Verbosef(format string, args ...any) {
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verbosef := lazyVerbosef.Get(func() logger.Logf {
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return logger.WithPrefix(log.Printf, verbosePrefix)
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})
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verbosef(format, args...)
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}
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// SetForTest sets the specified errorf and verbosef functions for the duration
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// of tb and its subtests.
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func SetForTest(tb internal.TB, errorf, verbosef logger.Logf) {
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lazyErrorf.SetForTest(tb, errorf, nil)
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lazyVerbosef.SetForTest(tb, verbosef, nil)
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}
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