func newContext(fset *flag.FlagSet, args []string) (*context, *params, error) {
p, err := parseArgs(fset, args)
if err != nil {
return nil, nil, err
}
if p.debug {
loggo.ConfigureLoggers("DEBUG")
}
ctxt := &context{
url: p.url,
method: p.method,
header: make(http.Header),
urlValues: make(url.Values),
form: make(url.Values),
jsonObj: make(map[string]interface{}),
}
for _, kv := range p.keyVals {
if err := ctxt.addKeyVal(p, kv); err != nil {
return nil, nil, err
}
}
if p.useStdin && (len(ctxt.form) > 0 || len(ctxt.jsonObj) > 0) {
return nil, nil, errors.New("cannot read body from stdin when form or JSON body is specified")
}
if p.basicAuth != "" {
ctxt.header.Set("Authorization",
"Basic "+base64.StdEncoding.EncodeToString([]byte(p.basicAuth)))
}
if p.json {
ctxt.header.Set("Content-Type", "application/json")
}
return ctxt, p, nil
}
func (t *LoggingSuite) setUp(c *gc.C) {
if _, ok := loggo.ParseLevel(*logConfig); ok {
*logConfig = "<root>=" + *logConfig
}
err := loggo.ConfigureLoggers(*logConfig)
c.Assert(err, gc.IsNil)
}
func main() {
args := os.Args
if len(args) > 1 {
loggo.ConfigureLoggers(args[1])
} else {
fmt.Println("Add a parameter to configure the logging:")
fmt.Println("E.g. \"<root>=INFO;first=TRACE\"")
}
fmt.Println("\nCurrent logging levels:")
fmt.Println(loggo.LoggerInfo())
fmt.Println("")
rootLogger.Infof("Start of test.")
FirstCritical("first critical")
FirstError("first error")
FirstWarning("first warning")
FirstInfo("first info")
FirstDebug("first debug")
FirstTrace("first trace")
loggo.ReplaceDefaultWriter(loggo.NewSimpleWriter(os.Stderr, &loggo.ColorFormatter{}))
SecondCritical("second critical")
SecondError("second error")
SecondWarning("second warning")
SecondInfo("second info")
SecondDebug("second debug")
SecondTrace("second trace")
}
func (s *GlobalSuite) TestConfigureLoggers(c *gc.C) {
err := loggo.ConfigureLoggers("testing.module=debug")
c.Assert(err, gc.IsNil)
expected := "<root>=WARNING;testing.module=DEBUG"
c.Assert(loggo.DefaultContext().Config().String(), gc.Equals, expected)
c.Assert(loggo.LoggerInfo(), gc.Equals, expected)
}
func (s *LoggingSuite) setUp(c *gc.C) {
loggo.ResetWriters()
loggo.ReplaceDefaultWriter(&gocheckWriter{c})
loggo.ResetLoggers()
err := loggo.ConfigureLoggers(logConfig)
c.Assert(err, gc.IsNil)
}
func main() {
args := os.Args
if len(args) > 1 {
loggo.ConfigureLoggers(args[1])
} else {
fmt.Println("Add a parameter to configure the logging:")
fmt.Println("E.g. \"<root>=INFO;first=TRACE\"")
}
fmt.Println("\nCurrent logging levels:")
fmt.Println(loggo.LoggerInfo())
fmt.Println("")
rootLogger.Infof("Start of test.")
FirstCritical("first critical")
FirstError("first error")
FirstWarning("first warning")
FirstInfo("first info")
FirstTrace("first trace")
SecondCritical("first critical")
SecondError("first error")
SecondWarning("first warning")
SecondInfo("first info")
SecondTrace("first trace")
}
// setupLogging initializes the global logging parameters.
// Log levels can be overriden using the LEMONCRYPT_LOGGING environment variable.
func setupLogging() {
config := os.Getenv("LEMONCRYPT_LOGGING")
if config == "" {
config = "<root>=DEBUG"
}
loggo.ConfigureLoggers(config)
logger.Tracef("logging set up")
}
func init() {
// If the environment key is empty, ConfigureLoggers returns nil and does
// nothing.
err := loggo.ConfigureLoggers(os.Getenv(osenv.JujuStartupLoggingConfigEnvKey))
if err != nil {
fmt.Fprintf(os.Stderr, "ERROR parsing %s: %s\n\n", osenv.JujuStartupLoggingConfigEnvKey, err)
}
}
func (logger *Logger) setLogging() {
loggingConfig, err := logger.api.LoggingConfig(logger.agentConfig.Tag())
if err != nil {
log.Errorf("%v", err)
} else {
if loggingConfig != logger.lastConfig {
log.Debugf("reconfiguring logging from %q to %q", logger.lastConfig, loggingConfig)
loggo.ResetLoggers()
if err := loggo.ConfigureLoggers(loggingConfig); err != nil {
// This shouldn't occur as the loggingConfig should be
// validated by the original Config before it gets here.
log.Warningf("configure loggers failed: %v", err)
// Try to reset to what we had before
loggo.ConfigureLoggers(logger.lastConfig)
}
logger.lastConfig = loggingConfig
}
}
}
func (s *LoggingSuite) setUp(c *gc.C) {
loggo.ResetLogging()
// Don't use the default writer for the test logging, which
// means we can still get logging output from tests that
// replace the default writer.
loggo.RegisterWriter(loggo.DefaultWriterName, discardWriter{})
loggo.RegisterWriter("loggingsuite", &gocheckWriter{c})
err := loggo.ConfigureLoggers(logConfig)
c.Assert(err, gc.IsNil)
}
// Start starts logging using the given Context.
func (log *Log) Start(ctx *Context) error {
if log.Verbose && log.Quiet {
return fmt.Errorf(`"verbose" and "quiet" flags clash, please use one or the other, not both`)
}
ctx.quiet = log.Quiet
ctx.verbose = log.Verbose
if log.Path != "" {
path := ctx.AbsPath(log.Path)
target, err := os.OpenFile(path, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
if err != nil {
return err
}
writer := log.GetLogWriter(target)
err = loggo.RegisterWriter("logfile", writer)
if err != nil {
return err
}
}
level := loggo.WARNING
if log.ShowLog {
level = loggo.INFO
}
if log.Debug {
log.ShowLog = true
level = loggo.DEBUG
// override quiet or verbose if set, this way all the information goes
// to the log file.
ctx.quiet = true
ctx.verbose = false
}
if log.ShowLog {
// We replace the default writer to use ctx.Stderr rather than os.Stderr.
writer := log.GetLogWriter(ctx.Stderr)
_, err := loggo.ReplaceDefaultWriter(writer)
if err != nil {
return err
}
} else {
loggo.RemoveWriter("default")
// Create a simple writer that doesn't show filenames, or timestamps,
// and only shows warning or above.
writer := NewWarningWriter(ctx.Stderr)
err := loggo.RegisterWriter("warning", writer)
if err != nil {
return err
}
}
// Set the level on the root logger.
root := loggo.GetLogger("")
root.SetLogLevel(level)
// Override the logging config with specified logging config.
loggo.ConfigureLoggers(log.Config)
return nil
}
func (*loggerSuite) TestConfigureLoggers(c *gc.C) {
for i, test := range configureLoggersTests {
c.Logf("test %d: %q", i, test.spec)
loggo.ResetLoggers()
err := loggo.ConfigureLoggers(test.spec)
c.Check(loggo.LoggerInfo(), gc.Equals, test.info)
if test.err != "" {
c.Assert(err, gc.ErrorMatches, test.err)
continue
}
c.Assert(err, gc.IsNil)
// Test that it's idempotent.
err = loggo.ConfigureLoggers(test.spec)
c.Assert(err, gc.IsNil)
c.Assert(loggo.LoggerInfo(), gc.Equals, test.info)
// Test that calling ConfigureLoggers with the
// output of LoggerInfo works too.
err = loggo.ConfigureLoggers(test.info)
c.Assert(err, gc.IsNil)
c.Assert(loggo.LoggerInfo(), gc.Equals, test.info)
}
}
func (s *LoggerSuite) TestInitialState(c *gc.C) {
config, err := s.State.EnvironConfig()
c.Assert(err, jc.ErrorIsNil)
expected := config.LoggingConfig()
initial := "<root>=DEBUG;wibble=ERROR"
c.Assert(expected, gc.Not(gc.Equals), initial)
loggo.ResetLoggers()
err = loggo.ConfigureLoggers(initial)
c.Assert(err, jc.ErrorIsNil)
loggingWorker, _ := s.makeLogger(c)
defer worker.Stop(loggingWorker)
s.waitLoggingInfo(c, expected)
}
func setupLogger() {
fmt.Println("Setting up logger")
loggo.ConfigureLoggers("<root>=TRACE")
oldWriter, _, err := loggo.RemoveWriter("default")
// err is non-nil if and only if the name isn't found.
loggo.RegisterWriter("default", oldWriter, loggo.TRACE)
fmt.Println("Log file: " + viper.GetString("Filename"))
writer := &lumberjack.Logger{
Filename: viper.GetString("Filename"),
MaxSize: viper.GetInt("MaxSize"), // megabytes
MaxBackups: viper.GetInt("MaxBackups"),
MaxAge: viper.GetInt("MaxAge"), // days
}
newWriter := loggo.NewSimpleWriter(writer, &ClientLogFormatter{})
err = loggo.RegisterWriter("testfile", newWriter, loggo.TRACE)
if err != nil {
fmt.Println("Error registering logger")
}
}
func (*auditSuite) SetUpTest(c *gc.C) {
loggo.ResetLoggers()
loggo.ResetWriters()
err := loggo.ConfigureLoggers(`<root>=ERROR; audit=INFO`)
c.Assert(err, jc.ErrorIsNil)
}
func main() {
args := os.Args
if len(args) > 1 {
loggo.ConfigureLoggers(args[1])
} else {
fmt.Println("Add a parameter to configure the logging:")
fmt.Println("E.g. \"<root>=INFO;first=TRACE\"")
}
fmt.Println("\nCurrent logging levels:")
fmt.Println(loggo.LoggerInfo())
fmt.Println("")
rootLogger.Infof("Start of test.")
FirstCritical("first critical")
FirstError("first error")
FirstWarning("first warning")
FirstInfo("first info")
FirstTrace("first trace")
SecondCritical("first critical")
SecondError("first error")
SecondWarning("first warning")
SecondInfo("first info")
SecondTrace("first trace")
writer, err := rfw.Open("./myprogram", 0644)
if err != nil {
log.Fatalln("Could not open '/var/log/myprogram': ", err)
}
log := log.New(writer, "[myprogram] ", log.LstdFlags)
log.Println("Logging as normal")
//defaultWriter, _, err := loggo.RemoveWriter("default")
// err is non-nil if and only if the name isn't found.
//loggo.RegisterWriter("default", writer, loggo.TRACE)
newWriter := loggo.NewSimpleWriter(writer, &loggo.DefaultFormatter{})
err = loggo.RegisterWriter("testfile", newWriter, loggo.TRACE)
now := time.Now().Nanosecond()
fmt.Printf("CurrentTime: %d\n", now)
FirstCritical("first critical")
FirstError("first error")
FirstWarning("first warning")
FirstInfo("first info")
FirstTrace("first trace")
SecondCritical("first critical")
SecondError("first error")
SecondWarning("first warning")
SecondInfo("first info")
SecondTrace("first trace")
viper.SetConfigName("config") // name of config file (without extension)
viper.AddConfigPath("/etc/appname/") // path to look for the config file in
viper.AddConfigPath("$HOME/") // call multiple times to add many search paths
viper.ReadInConfig() // Find and read the config file
title := viper.GetString("title")
fmt.Printf("TITLE=%s\n", title)
}
