func TestDefaultLevels(t *testing.T) {
buf := bytes.Buffer{}
logger := levels.New(log.NewLogfmtLogger(&buf))
logger.Debug().Log("msg", "résumé") // of course you'd want to do this
if want, have := "level=debug msg=résumé\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
buf.Reset()
logger.Info().Log("msg", "Åhus")
if want, have := "level=info msg=Åhus\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
buf.Reset()
logger.Error().Log("msg", "© violation")
if want, have := "level=error msg=\"© violation\"\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
buf.Reset()
logger.Crit().Log("msg", " ")
if want, have := "level=crit msg=\"\\t\"\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
}
func ExampleLevels() {
logger := levels.New(log.NewLogfmtLogger(os.Stdout))
logger.Debug("msg", "hello")
logger.With("context", "foo").Warn("err", "error")
// Output:
// level=debug msg=hello
// level=warn context=foo err=error
}
// StartApplicationSQSConsumer creates a Go-routine that consumes from an SQS queue
func StartApplicationSQSConsumer(logger kitlog.Logger, root context.Context, errc chan error, c *config.Configuration) {
go func() {
ctx, cancel := context.WithCancel(root)
defer cancel()
l := levlog.New(logger)
l.Info().Log("ApplicationSQSConsumer queue", c.QueueName, "transport", "SQS")
errc <- consumeMessagesFromQueue(l, ctx, c)
}()
}
// StartHealthCheckHTTPListener creates a Go-routine that has an HTTP listener for the healthcheck endpoint
func StartHealthCheckHTTPListener(logger kitlog.Logger, root context.Context, errc chan error, c *config.Configuration) {
go func() {
ctx, cancel := context.WithCancel(root)
defer cancel()
l := levlog.New(logger)
l.Info().Log("HealthCheckAddress", c.HealthCheckAddress, "transport", "HTTP/JSON")
router := createHealthCheckRouter(logger, ctx, endpoint.NewHealthCheck(c))
errc <- http.ListenAndServe(c.HealthCheckAddress, router)
}()
}
func TestModifiedLevels(t *testing.T) {
buf := bytes.Buffer{}
logger := levels.New(
log.NewJSONLogger(&buf),
levels.Key("l"),
levels.DebugValue("dbg"),
)
logger.With("easter_island", "176°").Debug("msg", "moai")
if want, have := `{"easter_island":"176°","l":"dbg","msg":"moai"}`+"\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
}
// StartApplicationHTTPListener creates a Go-routine that has an HTTP listener sensor readings
func StartApplicationHTTPListener(logger kitlog.Logger, root context.Context, errc chan error, c *config.Configuration) {
go func() {
ctx, cancel := context.WithCancel(root)
defer cancel()
l := levlog.New(logger)
l.Info().Log("ApplicationAddress", c.ApplicationAddress, "transport", "HTTP/JSON")
router := createApplicationRouter(logger, ctx, c, endpoint.NewSensorReadingServicer(c))
errc <- http.ListenAndServe(c.ApplicationAddress, router)
}()
}
func init() {
termLog = log.NewLogfmtLogger(os.Stderr)
if term.IsTerminal(os.Stderr) {
termLog = term.NewLogger(
os.Stderr,
log.NewLogfmtLogger,
kithlp.NewLevelColorer("level", nil),
)
}
logBase.Swap(termLog)
lg := kithlp.StringifyLogger{logBase}
Logger = log.NewContext(lg).With("ts", log.DefaultTimestampUTC, "caller", log.Caller(4))
logger = levels.New(Logger)
stdlog.SetOutput(log.NewStdlibAdapter(logBase))
converter.Logger.Swap(Logger)
}
func main() {
var (
listen = flag.String("listen", ":8080", "HTTP listen address")
// proxy = flag.String("proxy", "", "Optional comma-separated list of URLs to proxy uppercase requests")
)
flag.Parse()
var logger log.Logger
logger = log.NewLogfmtLogger(os.Stderr)
logger = log.NewContext(logger).With("listen", *listen).With("caller", log.DefaultCaller)
loglevel := levels.New(logger)
ctx := context.Background()
redisURL := os.Getenv("REDIS_URL")
redisPassword := os.Getenv("REDIS_PASSWORD")
if redisURL == "" || redisPassword == "" {
_ = loglevel.Crit("err", "missing REDIS connection information")
return
}
infra, err := BuildInfrastructure(InfrastructureOptions{
DialURL: os.Getenv("REDIS_URL"),
DialOption: []redis.DialOption{redis.DialPassword(redisPassword)},
})
if err != nil {
_ = loglevel.Crit("err", fmt.Sprintf("Infrastructure error: %v", err))
return
}
defer infra.conn.Close()
var svc CacheService
svc = cacheService{}
svc = loggingMiddleware(logger)(svc)
cacheHandler := httptransport.NewServer(
ctx,
makeCacheEndpoint(svc),
decodeCacheRequest,
encodeResponse,
)
http.Handle("/cache", cacheHandler)
_ = logger.Log("msg", "HTTP", "addr", *listen)
_ = logger.Log("err", http.ListenAndServe(*listen, nil))
}
package converter
import (
"os"
"os/exec"
"path/filepath"
"time"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/levels"
"github.com/stvp/go-toml-config"
)
// Swappable logger,
var Logger = new(log.SwapLogger)
var logger = levels.New(log.NewContext(Logger).With("lib", "converter"))
func init() {
Logger.Swap(log.NewNopLogger())
}
var (
// ConfPdftk is the path for PdfTk
ConfPdftk = config.String("pdftk", "pdftk")
// ConfPdfseparate is the path for pdfseparate (member of poppler-utils
ConfPdfseparate = config.String("pdfseparate", "pdfseparate")
// ConfLoffice is the path for LibreOffice
ConfLoffice = config.String("loffice", "loffice")
package leveledLogger
import (
"bytes"
"testing"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/levels"
)
var (
adapter = log.NewStdlibAdapter(log.NewNopLogger(),
log.TimestampKey(""), log.FileKey(""), log.MessageKey(""),
)
baseLogger = log.NewLogfmtLogger(adapter)
kitleveler = levels.New(baseLogger)
)
func BenchmarkInfo_KitLevels(b *testing.B) {
for i := 0; i < b.N; i++ {
kitleveler.Info().Log(
"key1", "first value is main message string",
"key2", "file:line",
"key3", "timestamp",
"key4", "fake error string in case an error occurred",
)
}
}
var (
buffer = new(bytes.Buffer)
"fmt"
stdlog "log"
"net/http"
"os"
"strings"
"sync"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/levels"
"github.com/juju/persistent-cookiejar"
"github.com/spf13/cobra"
)
var (
logger = log.NewLogfmtLogger(os.Stderr)
Log = levels.New(logger)
)
type config struct {
SystemID string
BaseURL, DataURL, LogonURL string
CookieJarPath string
dateFormat string
initURLs sync.Once
jar *cookiejar.Jar
jarMu sync.Mutex
*http.Client
initClient sync.Once
}
"github.com/tgulacsi/go/temp"
"gopkg.in/errgo.v1"
)
var (
// Logger is the base logger, can be swapped - defaults to NopLogger.
Logger = new(log.SwapLogger)
// CheckEncoding is true if we should check Base64 encodings
CheckEncoding = true
// SaveBadInput is true if we should save bad input
SaveBadInput = false
// logger is the package-level logger.
logger = levels.New(log.NewContext(Logger).With("lib", "i18nmail"))
)
func init() {
Logger.Swap(log.NewNopLogger())
}
// TodoFunc is the type of the function called by Walk and WalkMultipart.
type TodoFunc func(mp MailPart) error
// sequence is a global sequence for numbering mail parts.
var sequence uint64
func nextSeq() uint64 {
return atomic.AddUint64(&sequence, 1)
}
// application.
InfoLevel
// DebugLevel level. Usually only enabled when debugging. Very verbose
// logging.
DebugLevel
)
// currentLevel has a default and it's updated later by levelFlag
var currentLevel = InfoLevel
var (
logger = log.NewLogfmtLogger(os.Stderr)
ctx = log.NewContext(logger).With("ts", log.DefaultTimestampUTC)
// Logger is the global application logger
Logger = levels.New(ctx).With("caller", log.Caller(5))
)
type levelFlag struct{}
// String implements flag.Value.
func (f levelFlag) String() string {
return fmt.Sprint(currentLevel)
}
// Set implements flag.Value.
func (f levelFlag) Set(level string) (err error) {
currentLevel, err = ParseLevel(level)
return err
}
func NoopLogger() *CoreLogger {
return NewCoreLogger(levels.New(kitlog.NewNopLogger()))
}
func LogfmtLoggerTo(writer io.Writer) *CoreLogger {
return NewCoreLogger(levels.New(kitlog.NewLogfmtLogger(writer)))
}
func JSONLoggerTo(writer io.Writer) *CoreLogger {
return NewCoreLogger(levels.New(kitlog.NewJSONLogger(writer)))
}
