@cumulus/logger
Advanced tools
A logging library for use on the Cumulus project.
The @cumulus/logger library exports a Logger class, which generates
JSON-formated log events.
Log events always have the following keys:
Log events may have the following options keys:
Log events may also contain user-specified keys.
Example log event:
{
"level": "info",
"message": "hello world",
"sender": "greetingFunction",
"timestamp": "2018-10-19T19:12:47.501Z"
}
npm install @cumulus/logger
const Logger = require('@cumulus/logger');
const log = new Logger({ sender: 'example' });
log.info('hello, world');
new Logger({ [asyncOperationId], [executions], [granules], [parentArn], [sender], [stackName], [version] })Type: string
An optional async operation id associated with a workflow.
Type: string
An optional description of the executions.
type: string
An optional granules string. Generally a stringified array of granule objects.
type: string
An optional stepfunction ARN of the parent workflow that triggered the current execution.
Type: string
The sender of the log event. Typically a Lambda Function Name or ECS Task Name. Defaults to "unknown".
type: string
Cumulus stack name.
Type: string
An optional version.
log.debug([...messageArgs])Writes a log event to stdout with level set to "debug".
Type: ...any
See console.log().
log.error([...messageArgs][, error])Writes a log event to stderr with level set to "error".
Type: ...any
See console.log().
Type: Error
If the last argument is an Error then the following additional properties will be set on the log event:
log.fatal([...messageArgs])Writes a log event to stdout with level set to "fatal".
Type: ...any
See console.log().
log.info([...messageArgs])Writes a log event to stdout with level set to "info".
Type: ...any
See console.log().
log.infoWithAdditionalKeys(additionalKeys, ...messageArgs)Writes a log event to stdout with level set to "info". In addition to the standard keys, additional keys will be added to the event. If an additional key is specified with the same name as a standard key, the value standard key will be displayed.
Type: Object
Additional key/value pairs to be added to the event.
Type: ...any
See console.log().
log.trace([...messageArgs])Writes a log event to stdout with level set to "trace".
Type: ...any
See console.log().
log.warn([...messageArgs])Writes a log event to stdout with level set to "debug".
Type: ...any
See console.log().
Cumulus is a cloud-based data ingest, archive, distribution and management prototype for NASA's future Earth science data streams.
To make a contribution, please see our contributing guidelines.
[v19.1.0] 2024-10-07
This release contains changes listed here as well as changes listed in v19.0.0, despite v19.0.0 being deprecated. Please review Changelog entries and Migration Notes for each Cumulus version between your current version and v19.1.0 as normal.
CUMULUS-3020
var.lambda_timeouts on the main cumulus module/archive modulePlease note - updating this configuration is for adavanced users only. Value changes will modify the visibility
timeout on sfEventSqsToDbRecordsDeadLetterQueue and sfEventSqsToDbRecordsInputQueue and may lead to system
instability.
CUMULUS-3756
CUMULUS-3773
@cumulus/sftp-client and @cumulus/ingest/SftpProviderClient to support both regular and fastDownload.FAQs
A log library for use on Cumulus
The npm package @cumulus/logger receives a total of 167 weekly downloads. As such, @cumulus/logger popularity was classified as not popular.
We found that @cumulus/logger demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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