How to use splunk-logging - 10 common examples

To help you get started, we’ve selected a few splunk-logging examples, based on popular ways it is used in public projects.

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splunk / splunk-aws-project-trumpet / splunk-aws-automation / lambda_code / splunk_metrics_poller / index.js View on Github

// Set common error handler for logger.send() and logger.flush()
    Logger.error = (error, payload) => {
        console.log('error', error, 'context', payload);
        callback(error);
    }
}

var config = {
    url: process.env.SPLUNK_HEC_URL.split(":").slice(0, 2).join(":") + ":8088/services/collector",
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 1,
    maxRetries: 2
};

var Logger = new SplunkLogger(config);
var cloudwatch = new aws.CloudWatch();
var dynamodb = new aws.DynamoDB();
var periodicity_minutes = 5;
var periodicity_seconds = periodicity_minutes * 60;
var namespace =  process.env.NAMESPACE;
var region = process.env.AWS_REGION;


function get_metric_and_send_to_splunk(event, context, highwater, new_highwater, new_highwater_clean_bounds, metric_name, dimension, ddb_metric_key) {
    // TODO: Kill function if less than 10 seconds left until lambda timeout?

    var cweParams = {
        EndTime: new_highwater_clean_bounds,
        Dimensions: dimension,
        MetricName: metric_name,
        Namespace: namespace,

splunk / splunk-aws-serverless-apps / splunk-kinesis-stream-processor / index.js View on Github

*
 * For details about Splunk logging library used below: https://github.com/splunk/splunk-javascript-logging
 */

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;

const logger = new SplunkLogger(loggerConfig);

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    let count = 0;
    event.Records.forEach((record) => {
        // Kinesis data is base64 encoded so decode here
        const data = new Buffer(record.kinesis.data, 'base64').toString('ascii');
        let item = null;

        /* NOTE: if Kinesis stream records originates from CloudWatch Logs, data is
        compressed and needs to be expanded here. Refer to 'splunk-cloudwatch-log-processor'
        blueprint in AWS Lambda console for sample code using zlib */

splunk / splunk-aws-project-trumpet / splunk-aws-automation / lambda_code / config_snapshot_logger / index.js View on Github

*/

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL + "/services/collector",
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;
const aws = require('aws-sdk');
const zlib = require('zlib');

const logger = new SplunkLogger(loggerConfig);
const s3 = new aws.S3({ apiVersion: '2006-03-01' });

exports.handler = (event, context, callback) => {
    //console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    // Get the object from the event and show its content type
    const bucket = event.Records[0].s3.bucket.name;
    const key = decodeURIComponent(event.Records[0].s3.object.key.replace(/\+/g, ' '));
    const params = {
        Bucket: bucket,
        Key: key
    };
    if (key.includes("ConfigSnapshot")) {

splunk / splunk-aws-serverless-apps / splunk-elb-application-access-logs-processor / index.js View on Github

*/

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;
const aws = require('aws-sdk');
const zlib = require('zlib');

const logger = new SplunkLogger(loggerConfig);
const s3 = new aws.S3({ apiVersion: '2006-03-01' });

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    // Get the object from the event and show its content type
    const bucket = event.Records[0].s3.bucket.name;
    const key = decodeURIComponent(event.Records[0].s3.object.key.replace(/\+/g, ' '));
    const params = {
        Bucket: bucket,
        Key: key,
    };
    s3.getObject(params, (error, data) => {

splunk / splunk-aws-serverless-apps / splunk-elb-classic-access-logs-processor / index.js View on Github

* For details about Splunk logging library used below: https://github.com/splunk/splunk-javascript-logging
 */

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;
const aws = require('aws-sdk');

const logger = new SplunkLogger(loggerConfig);
const s3 = new aws.S3({ apiVersion: '2006-03-01' });

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    // Get the S3 object from the S3 put event
    const bucket = event.Records[0].s3.bucket.name;
    const key = decodeURIComponent(event.Records[0].s3.object.key.replace(/\+/g, ' '));
    const params = {
        Bucket: bucket,
        Key: key,
    };
    s3.getObject(params, (error, data) => {

splunk / splunk-aws-project-trumpet / bits / bak.js View on Github

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
};

function customEventFormatter(message, severity) {
    var event = message

    return event;
}

const SplunkLogger = require('splunk-logging').Logger;
const zlib = require('zlib');

const logger = new SplunkLogger(loggerConfig);

logger.eventFormatter = customEventFormatter;

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));

    // CloudTrail Logs data is base64 encoded so decode here
    const payload = new Buffer(event.awslogs.data, 'base64');
    // CloudTrail Logs are gzip compressed so expand here
    zlib.gunzip(payload, (err, result) => {
        if (err) {
            callback(err);
        } else {
            const parsed = JSON.parse(result.toString('ascii'));
            //console.log('Decoded payload:', JSON.stringify(parsed, null, 2));
            let count = 0;

splunk / splunk-aws-serverless-apps / splunk-logging / index.js View on Github

*
 * For details about Splunk logging library used below: https://github.com/splunk/splunk-javascript-logging
 */

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;

const logger = new SplunkLogger(loggerConfig);

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    // Log JSON objects to Splunk
    logger.send({ message: event });

    // Log strings
    logger.send({ message: `value1 = ${event.key1}` });

    // Log object or string with explicit timestamp - useful for forwarding events with embedded
    // timestamps, such as from AWS IoT, AWS Kinesis Stream & Firehose, AWS CloudWatch Logs
    // Change "Date.now()" below to event timestamp if specified in event payload

splunk / splunk-aws-project-trumpet / splunk-aws-automation / lambda_code / config_snapshot_logger_v0.2 / index.js View on Github

*/

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL + "/services/collector",
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;
const aws = require('aws-sdk');
const zlib = require('zlib');

const logger = new SplunkLogger(loggerConfig);
const s3 = new aws.S3({ apiVersion: '2006-03-01' });

exports.handler = (event, context, callback) => {
    //console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    // Get the object from the event and show its content type
    const bucket = event.Records[0].s3.bucket.name;
    const key = decodeURIComponent(event.Records[0].s3.object.key.replace(/\+/g, ' '));
    const params = {
        Bucket: bucket,
        Key: key
    };
    if (key.includes("ConfigSnapshot")) {

splunk / splunk-aws-serverless-apps / splunk-iot-processor / index.js View on Github

*
 * For details about Splunk logging library used below: https://github.com/splunk/splunk-javascript-logging
 */

'use strict';

const loggerConfig = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 0, // Manually flush events
    maxRetries: 3,    // Retry 3 times
};

const SplunkLogger = require('splunk-logging').Logger;

const logger = new SplunkLogger(loggerConfig);

exports.handler = (event, context, callback) => {
    console.log('Received event:', JSON.stringify(event, null, 2));

    // First, configure logger to automatically add Lambda metadata and to hook into Lambda callback
    configureLogger(context, callback); // eslint-disable-line no-use-before-define

    /* Send item to Splunk with optional metadata properties such as time, index, source, sourcetype, and host.
    - Set time value below if you want to explicitly set event timestamp.
    - Set or remove other metadata properties as needed. For descripion of each property, refer to:
    http://docs.splunk.com/Documentation/Splunk/latest/RESTREF/RESTinput#services.2Fcollector */
    logger.send({
        message: event,
        metadata: {
            host: 'serverless',
            source: `lambda:${context.functionName}`,

splunk / splunk-aws-project-trumpet / aws-splunk-automation / lambda_code / splunk_metrics_poller / index.js View on Github

// Set common error handler for logger.send() and logger.flush()
    Logger.error = (error, payload) => {
        console.log('error', error, 'context', payload);
        callback(error);
    }
}

var config = {
    url: process.env.SPLUNK_HEC_URL,
    token: process.env.SPLUNK_HEC_TOKEN,
    maxBatchCount: 1,
    maxRetries: 2
};

var Logger = new SplunkLogger(config);
var cloudwatch = new aws.CloudWatch();
var dynamodb = new aws.DynamoDB();
var periodicity_minutes = 5;
var periodicity_seconds = periodicity_minutes * 60;
var namespace =  process.env.NAMESPACE;
var region = process.env.AWS_REGION;


function get_metric_and_send_to_splunk(event, context, highwater, new_highwater, new_highwater_clean_bounds, metric_name, dimension, ddb_metric_key) {
    // TODO: Kill function if less than 10 seconds left until lambda timeout?

    var cweParams = {
        EndTime: new_highwater_clean_bounds,
        Dimensions: dimension,
        MetricName: metric_name,
        Namespace: namespace,

How to use splunk-logging - 10 common examples

To help you get started, we’ve selected a few splunk-logging examples, based on popular ways it is used in public projects.

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