@senacor/azure-function-middleware/dist/appInsights/appInsightsWrapper.js

Middleware for azure functions to handle authentication, authorization, error handling and logging

"use strict";
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    if (k2 === undefined) k2 = k;
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
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    };
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        if (mod && mod.__esModule) return mod;
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        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.AppInsightForNoNHttpTrigger = exports.AppInsightForHttpTrigger = void 0;
const appInsights = __importStar(require("applicationinsights"));
const applicationinsights_1 = require("applicationinsights");
const middleware_1 = require("../middleware");
const Logger_1 = require("./Logger");
const telemetryClients = {};
const isDisabled = process.env.APPINSIGHTS_INSTRUMENTATIONKEY === undefined &&
    process.env.APPLICATIONINSIGHTS_CONNECTION_STRING === undefined;
if (!isDisabled) {
    console.log('Starting appInsights');
    appInsights
        .setup()
        .setAutoDependencyCorrelation(true)
        .setAutoCollectRequests(true)
        .setAutoCollectPerformance(false, false)
        .setAutoCollectExceptions(true)
        .setAutoCollectDependencies(true)
        .setUseDiskRetryCaching(false)
        .setSendLiveMetrics(false)
        .setDistributedTracingMode(appInsights.DistributedTracingModes.AI_AND_W3C)
        .setAutoCollectHeartbeat(false)
        .setInternalLogging(false, true);
    appInsights.defaultClient.commonProperties = Object.assign({ environment: (_a = process.env.ENVIRONMENT) !== null && _a !== void 0 ? _a : 'UNDEFINED' }, appInsights.defaultClient.commonProperties);
    appInsights.defaultClient.config.disableAppInsights = isDisabled;
    appInsights.start();
    console.log('Started appInsights');
}
const setupTelemetryClient = (req, context, additionalProperties) => {
    context.log('Setting up AppInsights');
    const telemetryClient = new applicationinsights_1.TelemetryClient();
    telemetryClients[context.invocationId] = telemetryClient;
    Object.assign(context, Object.assign({}, (0, Logger_1.createAppInsightsLogger)(telemetryClient)));
    const { invocationId, triggerMetadata } = context;
    telemetryClient.commonProperties = Object.assign(Object.assign(Object.assign({ invocationId }, triggerMetadata), additionalProperties), appInsights.defaultClient.commonProperties);
    context.log('Set up AppInsights');
};
const setupAppInsightForHttpTrigger = (req, context) => __awaiter(void 0, void 0, void 0, function* () {
    if (isDisabled) {
        return;
    }
    setupTelemetryClient(req, context);
});
const setupAppInsightForNonHttpTrigger = (req, context) => __awaiter(void 0, void 0, void 0, function* () {
    if (isDisabled) {
        return;
    }
    setupTelemetryClient(req, context);
});
const noOpLogDataSanitizer = (data) => data;
const shouldLog = (logBehavior, isError) => {
    switch (logBehavior) {
        case 'always':
            return true;
        case 'on_error':
            return isError;
        case 'on_success':
            return !isError;
        case 'never':
            return false;
    }
};
const finalizeAppInsightForHttpTrigger = (req, context, result) => __awaiter(void 0, void 0, void 0, function* () { return finalizeAppInsightForHttpTriggerWithConfig(req, context, result, 'on_error', noOpLogDataSanitizer); });
const finalizeAppInsightForHttpTriggerWithConfig = (req, context, res, logBodyBehavior, bodySanitizer) => __awaiter(void 0, void 0, void 0, function* () {
    var _a, _b, _c, _d, _e;
    if (isDisabled) {
        return;
    }
    context.log('Finalizing AppInsights');
    const telemetryClient = telemetryClients[context.invocationId];
    if (telemetryClient === undefined) {
        context.error(`No telemetry client could be found for invocationId ${context.invocationId}`);
        return;
    }
    const correlationContext = appInsights.getCorrelationContext();
    telemetryClient.commonProperties = Object.assign({ ['traceparent']: (_b = (_a = correlationContext === null || correlationContext === void 0 ? void 0 : correlationContext.operation.traceparent) === null || _a === void 0 ? void 0 : _a.toString()) !== null && _b !== void 0 ? _b : 'UNDEFINED' }, telemetryClient.commonProperties);
    if (res === undefined) {
        context.warn("res is empty and properly shouldn't be");
    }
    if ((0, middleware_1.isErrorResult)(res)) {
        return;
    }
    const result = res.$result;
    if (result == undefined) {
        context.warn("res is empty and properly shouldn't be");
        return;
    }
    if (shouldLog(logBodyBehavior, result.status ? result.status >= 400 : true)) {
        context.log('Request body:', result.body ? bodySanitizer(result.body) : 'NO_REQ_BODY');
        context.log('Response body:', result.body ? bodySanitizer(result.body) : 'NO_RES_BODY');
    }
    telemetryClient.trackRequest({
        name: context.functionName,
        resultCode: (_c = result.status) !== null && _c !== void 0 ? _c : '0',
        // important so that requests with a non-OK response show up as failed
        success: result.status ? result.status < 400 : true,
        url: req.url.includes('?') ? req.url.split('?')[0] : req.url,
        duration: 0,
        id: (_e = (_d = correlationContext === null || correlationContext === void 0 ? void 0 : correlationContext.operation) === null || _d === void 0 ? void 0 : _d.id) !== null && _e !== void 0 ? _e : 'UNDEFINED',
    });
    telemetryClient.flush();
    delete telemetryClients[context.invocationId];
    context.log('Finalized AppInsights');
});
const finalizeAppInsightForNonHttpTrigger = (req, context, result) => __awaiter(void 0, void 0, void 0, function* () { return finalizeAppInsightForNonHttpTriggerWithConfig(req, context, result, 'on_error', noOpLogDataSanitizer); });
const finalizeAppInsightForNonHttpTriggerWithConfig = (req_1, context_1, result_1, ...args_1) => __awaiter(void 0, [req_1, context_1, result_1, ...args_1], void 0, function* (req, context, result, logBodyBehavior = 'on_error', // eslint-disable-line @typescript-eslint/no-unused-vars
bodySanitizer = noOpLogDataSanitizer) {
    var _a, _b, _c, _d, _e;
    if (isDisabled) {
        return;
    }
    context.log('Finalizing AppInsights');
    const telemetryClient = telemetryClients[context.invocationId];
    if (telemetryClient === undefined) {
        context.error(`No telemetry client could be found for invocationId ${context.invocationId}`);
        return;
    }
    const correlationContext = appInsights.getCorrelationContext();
    telemetryClient.commonProperties = Object.assign({ ['traceparent']: (_c = (_b = (_a = correlationContext === null || correlationContext === void 0 ? void 0 : correlationContext.operation) === null || _a === void 0 ? void 0 : _a.traceparent) === null || _b === void 0 ? void 0 : _b.toString()) !== null && _c !== void 0 ? _c : 'UNDEFINED' }, telemetryClient.commonProperties);
    telemetryClient.trackRequest({
        name: context.functionName,
        resultCode: 0,
        // important so that requests with a non-OK response show up as failed
        success: !(0, middleware_1.isErrorResult)(result),
        url: context.functionName,
        duration: 0,
        id: (_e = (_d = correlationContext === null || correlationContext === void 0 ? void 0 : correlationContext.operation) === null || _d === void 0 ? void 0 : _d.id) !== null && _e !== void 0 ? _e : 'UNDEFINED',
    });
    telemetryClient.flush();
    delete telemetryClients[context.invocationId];
});
const AppInsightForHttpTrigger = {
    setup: setupAppInsightForHttpTrigger,
    finalize: finalizeAppInsightForHttpTrigger,
    finalizeWithConfig: (logBodyBehavior, bodySanitizer) => (req, context, res) => finalizeAppInsightForHttpTriggerWithConfig(req, context, res, logBodyBehavior, bodySanitizer),
};
exports.AppInsightForHttpTrigger = AppInsightForHttpTrigger;
const AppInsightForNoNHttpTrigger = {
    setup: setupAppInsightForNonHttpTrigger,
    finalize: finalizeAppInsightForNonHttpTrigger,
    finalizeWithConfig: (logBodyBehavior, bodySanitizer) => (req, context, res) => finalizeAppInsightForHttpTriggerWithConfig(req, context, res, logBodyBehavior, bodySanitizer),
};
exports.AppInsightForNoNHttpTrigger = AppInsightForNoNHttpTrigger;