Azure Log Analytics Data Collector Client

Node.JS wrapper for Azure Monitor HTTP Data Collector API.

Installation

npm install azure-log-analytics-data-collector-client

Or with yarn:

yarn add azure-log-analytics-data-collector-client

Usage

Javascript:

const {
  DataCollectorClient,
} = require("azure-log-analytics-data-collector-client");

const client = new DataCollectorClient(
  "WORKSPACE_ID",
  "PRIMARY_KEY_OR_SECONDARY_KEY",
  "OPTIONAL_HOST"
);

client
  .send("MyLogs", [
    {
      level: "info",
      message: "server starts",
    },
  ])
  .then(console.log);

Typescript:

import { DataCollectorClient } from "azure-log-analytics-data-collector-client";

const client = new DataCollectorClient(
  "WORKSPACE_ID",
  "PRIMARY_KEY_OR_SECONDARY_KEY",
  "OPTIONAL_HOST"
);

client
  .send("MyLogs", [
    {
      level: "info",
      message: "server starts",
    },
  ])
  .then(console.log);

To get your WORKSPACE_ID and PRIMARY_KEY_OR_SECONDARY_KEY, in your workspace go to Agents management -> Log Analytics agent instructions.

The OPTIONAL_HOST is available for the ODS endpoint for your workspace cloud.

• Azure Public Cloud's ods.opinsights.azure.com is the default used if none is provided
• Azure US Government's host has to be set to ods.opinsights.azure.us

To query your logs, go to the Logs tab of your workspace and use MyLogs_CL as query table name. Sample query:

MyLogs_CL
| where TimeGenerated > ago(24h)
| limit 10

Please note that only alphanumeric and underscore can be used as table name. the - in the table name will be replaced with _.

Response Object

| Property | Optional | Description | | --------- | :------: | ----------------------------------------------------------------------------------------------------------------------: | | code | no | HTTP response code | | status | no | HTTP response status | | errorCode | yes | Error code from server | | errorMsg | yes | Error message from server |

Local Development

To run the integration test locally, grab the workspace id and the agent key and then run:

LOG_ANALYTICS_WORKSPACE_ID=<your_workspace_id> LOG_ANALYTICS_AGENT_KEY=<your_agent_key> yarn test

License

MIT