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* use certmagic for more extensible/robust ACME cert handling * accept TOS based on config option Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lauris BH <lauris@nix.lv>
305 lines
10 KiB
Go
Vendored
305 lines
10 KiB
Go
Vendored
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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import (
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"fmt"
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"go.uber.org/zap/zapcore"
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"go.uber.org/multierr"
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)
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const (
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_oddNumberErrMsg = "Ignored key without a value."
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_nonStringKeyErrMsg = "Ignored key-value pairs with non-string keys."
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)
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// A SugaredLogger wraps the base Logger functionality in a slower, but less
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// verbose, API. Any Logger can be converted to a SugaredLogger with its Sugar
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// method.
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//
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// Unlike the Logger, the SugaredLogger doesn't insist on structured logging.
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// For each log level, it exposes three methods: one for loosely-typed
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// structured logging, one for println-style formatting, and one for
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// printf-style formatting. For example, SugaredLoggers can produce InfoLevel
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// output with Infow ("info with" structured context), Info, or Infof.
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type SugaredLogger struct {
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base *Logger
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}
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// Desugar unwraps a SugaredLogger, exposing the original Logger. Desugaring
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// is quite inexpensive, so it's reasonable for a single application to use
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// both Loggers and SugaredLoggers, converting between them on the boundaries
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// of performance-sensitive code.
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func (s *SugaredLogger) Desugar() *Logger {
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base := s.base.clone()
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base.callerSkip -= 2
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return base
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}
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// Named adds a sub-scope to the logger's name. See Logger.Named for details.
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func (s *SugaredLogger) Named(name string) *SugaredLogger {
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return &SugaredLogger{base: s.base.Named(name)}
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}
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// With adds a variadic number of fields to the logging context. It accepts a
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// mix of strongly-typed Field objects and loosely-typed key-value pairs. When
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// processing pairs, the first element of the pair is used as the field key
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// and the second as the field value.
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//
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// For example,
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// sugaredLogger.With(
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// "hello", "world",
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// "failure", errors.New("oh no"),
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// Stack(),
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// "count", 42,
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// "user", User{Name: "alice"},
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// )
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// is the equivalent of
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// unsugared.With(
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// String("hello", "world"),
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// String("failure", "oh no"),
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// Stack(),
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// Int("count", 42),
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// Object("user", User{Name: "alice"}),
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// )
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//
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// Note that the keys in key-value pairs should be strings. In development,
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// passing a non-string key panics. In production, the logger is more
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// forgiving: a separate error is logged, but the key-value pair is skipped
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// and execution continues. Passing an orphaned key triggers similar behavior:
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// panics in development and errors in production.
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func (s *SugaredLogger) With(args ...interface{}) *SugaredLogger {
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return &SugaredLogger{base: s.base.With(s.sweetenFields(args)...)}
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}
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// Debug uses fmt.Sprint to construct and log a message.
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func (s *SugaredLogger) Debug(args ...interface{}) {
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s.log(DebugLevel, "", args, nil)
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}
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// Info uses fmt.Sprint to construct and log a message.
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func (s *SugaredLogger) Info(args ...interface{}) {
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s.log(InfoLevel, "", args, nil)
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}
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// Warn uses fmt.Sprint to construct and log a message.
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func (s *SugaredLogger) Warn(args ...interface{}) {
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s.log(WarnLevel, "", args, nil)
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}
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// Error uses fmt.Sprint to construct and log a message.
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func (s *SugaredLogger) Error(args ...interface{}) {
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s.log(ErrorLevel, "", args, nil)
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}
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// DPanic uses fmt.Sprint to construct and log a message. In development, the
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// logger then panics. (See DPanicLevel for details.)
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func (s *SugaredLogger) DPanic(args ...interface{}) {
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s.log(DPanicLevel, "", args, nil)
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}
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// Panic uses fmt.Sprint to construct and log a message, then panics.
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func (s *SugaredLogger) Panic(args ...interface{}) {
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s.log(PanicLevel, "", args, nil)
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}
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// Fatal uses fmt.Sprint to construct and log a message, then calls os.Exit.
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func (s *SugaredLogger) Fatal(args ...interface{}) {
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s.log(FatalLevel, "", args, nil)
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}
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// Debugf uses fmt.Sprintf to log a templated message.
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func (s *SugaredLogger) Debugf(template string, args ...interface{}) {
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s.log(DebugLevel, template, args, nil)
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}
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// Infof uses fmt.Sprintf to log a templated message.
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func (s *SugaredLogger) Infof(template string, args ...interface{}) {
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s.log(InfoLevel, template, args, nil)
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}
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// Warnf uses fmt.Sprintf to log a templated message.
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func (s *SugaredLogger) Warnf(template string, args ...interface{}) {
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s.log(WarnLevel, template, args, nil)
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}
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// Errorf uses fmt.Sprintf to log a templated message.
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func (s *SugaredLogger) Errorf(template string, args ...interface{}) {
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s.log(ErrorLevel, template, args, nil)
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}
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// DPanicf uses fmt.Sprintf to log a templated message. In development, the
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// logger then panics. (See DPanicLevel for details.)
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func (s *SugaredLogger) DPanicf(template string, args ...interface{}) {
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s.log(DPanicLevel, template, args, nil)
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}
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// Panicf uses fmt.Sprintf to log a templated message, then panics.
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func (s *SugaredLogger) Panicf(template string, args ...interface{}) {
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s.log(PanicLevel, template, args, nil)
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}
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// Fatalf uses fmt.Sprintf to log a templated message, then calls os.Exit.
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func (s *SugaredLogger) Fatalf(template string, args ...interface{}) {
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s.log(FatalLevel, template, args, nil)
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}
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// Debugw logs a message with some additional context. The variadic key-value
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// pairs are treated as they are in With.
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//
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// When debug-level logging is disabled, this is much faster than
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// s.With(keysAndValues).Debug(msg)
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func (s *SugaredLogger) Debugw(msg string, keysAndValues ...interface{}) {
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s.log(DebugLevel, msg, nil, keysAndValues)
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}
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// Infow logs a message with some additional context. The variadic key-value
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// pairs are treated as they are in With.
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func (s *SugaredLogger) Infow(msg string, keysAndValues ...interface{}) {
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s.log(InfoLevel, msg, nil, keysAndValues)
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}
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// Warnw logs a message with some additional context. The variadic key-value
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// pairs are treated as they are in With.
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func (s *SugaredLogger) Warnw(msg string, keysAndValues ...interface{}) {
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s.log(WarnLevel, msg, nil, keysAndValues)
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}
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// Errorw logs a message with some additional context. The variadic key-value
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// pairs are treated as they are in With.
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func (s *SugaredLogger) Errorw(msg string, keysAndValues ...interface{}) {
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s.log(ErrorLevel, msg, nil, keysAndValues)
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}
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// DPanicw logs a message with some additional context. In development, the
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// logger then panics. (See DPanicLevel for details.) The variadic key-value
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// pairs are treated as they are in With.
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func (s *SugaredLogger) DPanicw(msg string, keysAndValues ...interface{}) {
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s.log(DPanicLevel, msg, nil, keysAndValues)
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}
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// Panicw logs a message with some additional context, then panics. The
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// variadic key-value pairs are treated as they are in With.
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func (s *SugaredLogger) Panicw(msg string, keysAndValues ...interface{}) {
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s.log(PanicLevel, msg, nil, keysAndValues)
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}
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// Fatalw logs a message with some additional context, then calls os.Exit. The
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// variadic key-value pairs are treated as they are in With.
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func (s *SugaredLogger) Fatalw(msg string, keysAndValues ...interface{}) {
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s.log(FatalLevel, msg, nil, keysAndValues)
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}
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// Sync flushes any buffered log entries.
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func (s *SugaredLogger) Sync() error {
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return s.base.Sync()
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}
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func (s *SugaredLogger) log(lvl zapcore.Level, template string, fmtArgs []interface{}, context []interface{}) {
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// If logging at this level is completely disabled, skip the overhead of
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// string formatting.
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if lvl < DPanicLevel && !s.base.Core().Enabled(lvl) {
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return
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}
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// Format with Sprint, Sprintf, or neither.
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msg := template
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if msg == "" && len(fmtArgs) > 0 {
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msg = fmt.Sprint(fmtArgs...)
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} else if msg != "" && len(fmtArgs) > 0 {
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msg = fmt.Sprintf(template, fmtArgs...)
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}
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if ce := s.base.Check(lvl, msg); ce != nil {
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ce.Write(s.sweetenFields(context)...)
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}
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}
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func (s *SugaredLogger) sweetenFields(args []interface{}) []Field {
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if len(args) == 0 {
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return nil
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}
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// Allocate enough space for the worst case; if users pass only structured
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// fields, we shouldn't penalize them with extra allocations.
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fields := make([]Field, 0, len(args))
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var invalid invalidPairs
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for i := 0; i < len(args); {
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// This is a strongly-typed field. Consume it and move on.
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if f, ok := args[i].(Field); ok {
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fields = append(fields, f)
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i++
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continue
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}
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// Make sure this element isn't a dangling key.
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if i == len(args)-1 {
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s.base.DPanic(_oddNumberErrMsg, Any("ignored", args[i]))
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break
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}
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// Consume this value and the next, treating them as a key-value pair. If the
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// key isn't a string, add this pair to the slice of invalid pairs.
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key, val := args[i], args[i+1]
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if keyStr, ok := key.(string); !ok {
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// Subsequent errors are likely, so allocate once up front.
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if cap(invalid) == 0 {
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invalid = make(invalidPairs, 0, len(args)/2)
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}
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invalid = append(invalid, invalidPair{i, key, val})
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} else {
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fields = append(fields, Any(keyStr, val))
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}
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i += 2
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}
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// If we encountered any invalid key-value pairs, log an error.
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if len(invalid) > 0 {
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s.base.DPanic(_nonStringKeyErrMsg, Array("invalid", invalid))
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}
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return fields
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}
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type invalidPair struct {
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position int
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key, value interface{}
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}
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func (p invalidPair) MarshalLogObject(enc zapcore.ObjectEncoder) error {
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enc.AddInt64("position", int64(p.position))
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Any("key", p.key).AddTo(enc)
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Any("value", p.value).AddTo(enc)
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return nil
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}
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type invalidPairs []invalidPair
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func (ps invalidPairs) MarshalLogArray(enc zapcore.ArrayEncoder) error {
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var err error
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for i := range ps {
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err = multierr.Append(err, enc.AppendObject(ps[i]))
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}
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return err
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}
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