applicationinsights
Version:
Microsoft Application Insights module for Node.js
108 lines • 4.04 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
exports.StatsbeatFeaturesManager = void 0;
const types_1 = require("../../types");
const types_2 = require("../../shim/types");
/**
* Utility class to manage statsbeat features using bitmap flags
*/
class StatsbeatFeaturesManager {
/**
* Get the singleton instance of StatsbeatFeaturesManager
*/
static getInstance() {
if (!StatsbeatFeaturesManager.instance) {
StatsbeatFeaturesManager.instance = new StatsbeatFeaturesManager();
}
return StatsbeatFeaturesManager.instance;
}
/**
* Get the current statsbeat features configuration from environment variable
*/
getCurrentConfig() {
const envValue = process.env[types_1.AZURE_MONITOR_STATSBEAT_FEATURES];
if (envValue) {
try {
return JSON.parse(envValue);
}
catch (error) {
// If parsing fails, return default values
return {
instrumentation: types_2.StatsbeatInstrumentation.NONE,
feature: types_2.StatsbeatFeature.SHIM
};
}
}
return {
instrumentation: types_2.StatsbeatInstrumentation.NONE,
feature: types_2.StatsbeatFeature.SHIM
};
}
/**
* Set the statsbeat features environment variable with updated configuration
*/
setConfig(config) {
process.env[types_1.AZURE_MONITOR_STATSBEAT_FEATURES] = JSON.stringify(config);
}
/**
* Enable a specific statsbeat feature by setting the corresponding bit
*/
enableFeature(feature) {
const currentConfig = this.getCurrentConfig();
currentConfig.feature |= feature; // Use bitwise OR to set the bit
this.setConfig(currentConfig);
}
/**
* Disable a specific statsbeat feature by clearing the corresponding bit
*/
disableFeature(feature) {
const currentConfig = this.getCurrentConfig();
currentConfig.feature &= ~feature; // Use bitwise AND with NOT to clear the bit
this.setConfig(currentConfig);
}
/**
* Check if a specific statsbeat feature is enabled
*/
isFeatureEnabled(feature) {
const currentConfig = this.getCurrentConfig();
return (currentConfig.feature & feature) !== 0;
}
/**
* Enable a specific statsbeat instrumentation by setting the corresponding bit
*/
enableInstrumentation(instrumentation) {
const currentConfig = this.getCurrentConfig();
currentConfig.instrumentation |= instrumentation; // Use bitwise OR to set the bit
this.setConfig(currentConfig);
}
/**
* Disable a specific statsbeat instrumentation by clearing the corresponding bit
*/
disableInstrumentation(instrumentation) {
const currentConfig = this.getCurrentConfig();
currentConfig.instrumentation &= ~instrumentation; // Use bitwise AND with NOT to clear the bit
this.setConfig(currentConfig);
}
/**
* Check if a specific statsbeat instrumentation is enabled
*/
isInstrumentationEnabled(instrumentation) {
const currentConfig = this.getCurrentConfig();
return (currentConfig.instrumentation & instrumentation) !== 0;
}
/**
* Initialize the statsbeat features environment variable with default values if not set
*/
initialize() {
if (!process.env[types_1.AZURE_MONITOR_STATSBEAT_FEATURES]) {
this.setConfig({
instrumentation: types_2.StatsbeatInstrumentation.NONE,
feature: types_2.StatsbeatFeature.SHIM
});
}
}
}
exports.StatsbeatFeaturesManager = StatsbeatFeaturesManager;
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