This module provides support for streaming your winston logs to [Cloud Logging]( https://cloud.google.com/logging ).
Inheritance
TransportStream > LoggingWinstonPackage
@google-cloud/logging-winstonExamples
Import the client library const {LoggingWinston} = require('@google-cloud/logging-winston');
Create a client that uses a href="https://cloud.google.com/docs/authentication/production#providing_credentials_to_your_application" Application Default Credentials (ADC): const loggingWinston = new LoggingWinston();
Create a client with a href="https://cloud.google.com/docs/authentication/production#obtaining_and_providing_service_account_credentials_manually" explicit credentials: const loggingWinston = new LoggingWinston({ projectId: 'your-project-id', keyFilename: '/path/to/keyfile.json' });
Full quickstart example:
const
winston
=
require
(
'winston'
);
// Imports the Google Cloud client library for Winston
const
{
LoggingWinston
}
=
require
(
' @google-cloud/logging-winston
'
);
const
loggingWinston
=
new
LoggingWinston
();
// Create a Winston logger that streams to Cloud Logging
// Logs will be written to: "projects/YOUR_PROJECT_ID/logs/winston_log"
const
logger
=
winston
.
createLogger
({
level
:
'info'
,
transports
:
[
new
winston
.
transports
.
Console
(),
// Add Cloud Logging
loggingWinston
,
],
});
// Writes some log entries
logger
.
error
(
'warp nacelles offline'
);
logger
.
info
(
'shields at 99%'
);
Constructors
(constructor)(options)
constructor
(
options
?:
Options
);
Constructs a new instance of the LoggingWinston
class
Properties
common
common
:
LoggingCommon
;
LOGGING_SAMPLED_KEY
static
readonly
LOGGING_SAMPLED_KEY
=
"logging.googleapis.com/trace_sampled"
;
LOGGING_SPAN_KEY
static
readonly
LOGGING_SPAN_KEY
=
"logging.googleapis.com/spanId"
;
LOGGING_TRACE_KEY
static
readonly
LOGGING_TRACE_KEY
=
"logging.googleapis.com/trace"
;
Methods
log(info, callback)
log
(
info
:
any
,
callback
:
Callback
)
:
void
;
info
any
callback
Callback
void
