Sample of Azure functions code in order to send CRM Plugins exceptions to Azure Application Insights

AzureFunctionsToInsightCRMExceptions.cs

/*
* Created by : Clement Olivier
* Date : 05/14/2018
*/

using Microsoft.ApplicationInsights;  
using Microsoft.ApplicationInsights.DataContracts;  
using Microsoft.ApplicationInsights.Extensibility;  
using Newtonsoft.Json.Linq;  
using System.Net;

public static async Task<HttpResponseMessage> Run(HttpRequestMessage req, ExecutionContext context, TraceWriter log)  
{
    try
    {
        log.Info("C# ExceptionToInsightsAzure function processed a request.");

        //Preparing the telemetry object
        TelemetryClient telemetryClient = new TelemetryClient(); 
        telemetryClient.InstrumentationKey = "APPINSIGHTS_INSTRUMENTATIONKEY";
        telemetryClient.Context.Operation.Id = Guid.NewGuid().ToString();

        dynamic data = await req.Content.ReadAsAsync<object>();

        //We transform data to be able to query it
        JObject dataToParse = JObject.Parse(Convert.ToString(data));

        string inputParameter = Convert.ToString(dataToParse.SelectToken("InputParameters"));
        var sharedVariablesData = dataToParse.SelectToken("SharedVariables");

        // preparing the specific pieces of information we are looking for
        string PluginAction = null;
        string ExceptionMessage = null;
        string EntityName = null;
        string ExceptionStackTrace = null;
        string sharedVariables = null;
        Dictionary<string, string> sharedVariablesDic = new Dictionary<string, string>();

        if (sharedVariablesData != null)
        {
            // Getting the keys info
            foreach (var sharedVariable in sharedVariablesData){
                sharedVariablesDic.Add(sharedVariable.SelectToken("key").ToString(), sharedVariable.SelectToken("value").ToString());
            }

            sharedVariables = Convert.ToString(sharedVariablesData);
            PluginAction = sharedVariablesDic["PluginAction"];
            log.Info($"PluginAction : {PluginAction}");
            ExceptionMessage = sharedVariablesDic["ExceptionMessage"];
            log.Info($"ExceptionMessage : {ExceptionMessage}");
            ExceptionStackTrace = sharedVariablesDic["ExceptionStackTrace"];
            log.Info($"ExceptionStackTrace : {ExceptionStackTrace}");
            EntityName = sharedVariablesDic["EntityName"];
            log.Info($"EntityName : {EntityName}");
        }

        var dataToString = Convert.ToString(data);

        var evt = new EventTelemetry($"Exception in CRM plugin for entity {EntityName} ({PluginAction})");
        var properties = new Dictionary<string, string>() {
            { "InputParameters", inputParameter },
            { "SharedVariables", sharedVariables },
            { "PluginAction", PluginAction },
            { "ExceptionMessage", ExceptionMessage },
            { "ExceptionStackTrace", ExceptionStackTrace },
            { "EntityName", EntityName }
        };

        telemetryClient.TrackEvent(evt.Name, properties);
    }
    catch (Exception ex)
    {
        log.Error($"Error : {ex.Message}");
        return req.CreateResponse(HttpStatusCode.BadRequest, ex.Message);
    }

    return req.CreateResponse(HttpStatusCode.OK, "Sent To Insights");
}