mirror of
https://github.com/PowerShell/PowerShell
synced 2026-06-08 12:12:50 +00:00
Patrick MeineckeandAndrew Menagarishvili
1c568d42d8
Making NameObscurerTelemetryInitializer internal Co-authored-by: Andrew Menagarishvili <anmenaga@microsoft.com>
896 lines
37 KiB
C#
896 lines
37 KiB
C#
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Management.Automation;
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using System.Runtime.InteropServices;
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using System.Threading;
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using Microsoft.ApplicationInsights;
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using Microsoft.ApplicationInsights.Channel;
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using Microsoft.ApplicationInsights.Extensibility;
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using Microsoft.ApplicationInsights.Extensibility.Implementation;
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namespace Microsoft.PowerShell.Telemetry
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{
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/// <summary>
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/// The category of telemetry.
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/// </summary>
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internal enum TelemetryType
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{
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/// <summary>
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/// Telemetry of the application type (cmdlet, script, etc).
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/// </summary>
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ApplicationType,
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/// <summary>
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/// Send telemetry when we load a module, only module names in the s_knownModules list
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/// will be reported, otherwise it will be "anonymous".
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/// </summary>
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ModuleLoad,
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/// <summary>
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/// Send telemetry when we load a module using Windows compatibility feature, only module names in the s_knownModules list
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/// will be reported, otherwise it will be "anonymous".
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/// </summary>
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WinCompatModuleLoad,
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/// <summary>
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/// Send telemetry for experimental module feature activation.
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/// All experimental engine features will be have telemetry.
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/// </summary>
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ExperimentalEngineFeatureActivation,
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/// <summary>
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/// Send telemetry for experimental module feature activation.
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/// Experimental module features will send telemetry based on the module it is in.
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/// If we send telemetry for the module, we will also do so for any experimental feature
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/// in that module.
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/// </summary>
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ExperimentalModuleFeatureActivation,
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/// <summary>
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/// Send telemetry for each PowerShell.Create API.
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/// </summary>
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PowerShellCreate,
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/// <summary>
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/// Remote session creation.
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/// </summary>
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RemoteSessionOpen,
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}
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/// <summary>
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/// Set up the telemetry initializer to mask the platform specific names.
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/// </summary>
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internal class NameObscurerTelemetryInitializer : ITelemetryInitializer
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{
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// Report the platform name information as "na".
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private const string _notavailable = "na";
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/// <summary>
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/// Initialize properties we are obscuring to "na".
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/// </summary>
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/// <param name="telemetry">The instance of our telemetry.</param>
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public void Initialize(ITelemetry telemetry)
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{
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telemetry.Context.Cloud.RoleName = _notavailable;
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telemetry.Context.GetInternalContext().NodeName = _notavailable;
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telemetry.Context.Cloud.RoleInstance = _notavailable;
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}
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}
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/// <summary>
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/// Send up telemetry for startup.
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/// </summary>
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public static class ApplicationInsightsTelemetry
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{
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// If this env var is true, yes, or 1, telemetry will NOT be sent.
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private const string _telemetryOptoutEnvVar = "POWERSHELL_TELEMETRY_OPTOUT";
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// PSCoreInsight2 telemetry key
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// private const string _psCoreTelemetryKey = "ee4b2115-d347-47b0-adb6-b19c2c763808"; // Production
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private const string _psCoreTelemetryKey = "d26a5ef4-d608-452c-a6b8-a4a55935f70d"; // V7 Preview 3
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// Use "anonymous" as the string to return when you can't report a name
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private const string _anonymous = "anonymous";
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// the telemetry failure string
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private const string _telemetryFailure = "TELEMETRY_FAILURE";
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// Telemetry client to be reused when we start sending more telemetry
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private static TelemetryClient s_telemetryClient { get; }
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// the unique identifier for the user, when we start we
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private static string s_uniqueUserIdentifier { get; }
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// the session identifier
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private static string s_sessionId { get; }
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// private semaphore to determine whether we sent the startup telemetry event
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private static int s_startupEventSent = 0;
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/// Use a hashset for quick lookups.
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/// We send telemetry only a known set of modules.
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/// If it's not in the list (initialized in the static constructor), then we report anonymous.
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private static readonly HashSet<string> s_knownModules;
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/// <summary>Gets a value indicating whether telemetry can be sent.</summary>
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public static bool CanSendTelemetry { get; private set; }
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/// <summary>
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/// Initializes static members of the <see cref="ApplicationInsightsTelemetry"/> class.
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/// Static constructor determines whether telemetry is to be sent, and then
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/// sets the telemetry key and set the telemetry delivery mode.
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/// Creates the session ID and initializes the HashSet of known module names.
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/// Gets or constructs the unique identifier.
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/// </summary>
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static ApplicationInsightsTelemetry()
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{
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// If we can't send telemetry, there's no reason to do any of this
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CanSendTelemetry = !GetEnvironmentVariableAsBool(name: _telemetryOptoutEnvVar, defaultValue: false);
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if (CanSendTelemetry)
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{
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s_sessionId = Guid.NewGuid().ToString();
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TelemetryConfiguration configuration = TelemetryConfiguration.CreateDefault();
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configuration.InstrumentationKey = _psCoreTelemetryKey;
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// Set this to true to reduce latency during development
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configuration.TelemetryChannel.DeveloperMode = false;
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// Be sure to obscure any information about the client node name.
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configuration.TelemetryInitializers.Add(new NameObscurerTelemetryInitializer());
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s_telemetryClient = new TelemetryClient(configuration);
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// use a hashset when looking for module names, it should be quicker than a string comparison
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s_knownModules = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
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{
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"AADRM",
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"activedirectory",
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"adcsadministration",
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"adcsdeployment",
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"addsadministration",
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"addsdeployment",
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"adfs",
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"adrms",
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"adrmsadmin",
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"agpm",
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"appbackgroundtask",
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"applocker",
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"appv",
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"appvclient",
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"appvsequencer",
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"appvserver",
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"appx",
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"assignedaccess",
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"Az",
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"Az.Accounts",
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"Az.Advisor",
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"Az.Aks",
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"Az.AlertsManagement",
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"Az.AnalysisServices",
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"Az.ApiManagement",
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"Az.ApplicationInsights",
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"Az.Attestation",
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"Az.Automation",
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"Az.Batch",
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"Az.Billing",
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"Az.Blueprint",
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"Az.Cdn",
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"Az.CognitiveServices",
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"Az.Compute",
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"Az.ContainerInstance",
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"Az.ContainerRegistry",
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"Az.DataBox",
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"Az.DataFactory",
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"Az.DataLakeAnalytics",
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"Az.DataLakeStore",
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"Az.DataMigration",
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"Az.DataShare",
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"Az.DeploymentManager",
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"Az.DeviceProvisioningServices",
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"Az.DevSpaces",
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"Az.DevTestLabs",
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"Az.Dns",
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"Az.EventGrid",
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"Az.EventHub",
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"Az.FrontDoor",
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"Az.GuestConfiguration",
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"Az.HDInsight",
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"Az.HealthcareApis",
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"Az.IotCentral",
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"Az.IotHub",
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"Az.KeyVault",
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"Az.Kusto",
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"Az.LogicApp",
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"Az.MachineLearning",
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"Az.ManagedServiceIdentity",
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"Az.ManagedServices",
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"Az.ManagementPartner",
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"Az.Maps",
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"Az.MarketplaceOrdering",
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"Az.Media",
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"Az.MixedReality",
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"Az.Monitor",
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"Az.NetAppFiles",
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"Az.Network",
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"Az.NotificationHubs",
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"Az.OperationalInsights",
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"Az.Peering",
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"Az.PolicyInsights",
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"Az.PowerBIEmbedded",
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"Az.PrivateDns",
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"Az.RecoveryServices",
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"Az.RedisCache",
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"Az.Relay",
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"Az.Reservations",
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"Az.ResourceGraph",
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"Az.Resources",
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"Az.Search",
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"Az.Security",
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"Az.ServiceBus",
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"Az.ServiceFabric",
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"Az.SignalR",
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"Az.Sql",
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"Az.Storage",
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"Az.StorageSync",
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"Az.StorageTable",
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"Az.StreamAnalytics",
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"Az.Subscription",
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"Az.TrafficManager",
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"Az.Websites",
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"Azs.Azurebridge.Admin",
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"Azs.Backup.Admin",
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"Azs.Commerce.Admin",
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"Azs.Compute.Admin",
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"Azs.Fabric.Admin",
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"Azs.Gallery.Admin",
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"Azs.Infrastructureinsights.Admin",
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"Azs.Keyvault.Admin",
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"Azs.Network.Admin",
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"Azs.Storage.Admin",
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"Azs.Subscriptions",
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"Azs.Subscriptions.Admin",
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"Azs.Update.Admin",
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"AzStorageTable",
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"Azure",
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"Azure.AnalysisServices",
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"Azure.Storage",
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"AzureAD",
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"AzureInformationProtection",
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"AzureRM.Aks",
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"AzureRM.AnalysisServices",
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"AzureRM.ApiManagement",
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"AzureRM.ApplicationInsights",
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"AzureRM.Automation",
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"AzureRM.Backup",
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"AzureRM.Batch",
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"AzureRM.Billing",
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"AzureRM.Cdn",
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"AzureRM.CognitiveServices",
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"AzureRm.Compute",
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"AzureRM.Compute.ManagedService",
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"AzureRM.Consumption",
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"AzureRM.ContainerInstance",
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"AzureRM.ContainerRegistry",
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"AzureRM.DataFactories",
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"AzureRM.DataFactoryV2",
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"AzureRM.DataLakeAnalytics",
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"AzureRM.DataLakeStore",
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"AzureRM.DataMigration",
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"AzureRM.DeploymentManager",
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"AzureRM.DeviceProvisioningServices",
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"AzureRM.DevSpaces",
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"AzureRM.DevTestLabs",
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"AzureRm.Dns",
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"AzureRM.EventGrid",
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"AzureRM.EventHub",
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"AzureRM.FrontDoor",
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"AzureRM.HDInsight",
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"AzureRm.Insights",
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"AzureRM.IotCentral",
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"AzureRM.IotHub",
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"AzureRm.Keyvault",
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"AzureRM.LocationBasedServices",
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"AzureRM.LogicApp",
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"AzureRM.MachineLearning",
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"AzureRM.MachineLearningCompute",
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"AzureRM.ManagedServiceIdentity",
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"AzureRM.ManagementPartner",
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"AzureRM.Maps",
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"AzureRM.MarketplaceOrdering",
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"AzureRM.Media",
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"AzureRM.Network",
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"AzureRM.NotificationHubs",
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"AzureRM.OperationalInsights",
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"AzureRM.PolicyInsights",
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"AzureRM.PowerBIEmbedded",
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"AzureRM.Profile",
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"AzureRM.RecoveryServices",
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"AzureRM.RecoveryServices.Backup",
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"AzureRM.RecoveryServices.SiteRecovery",
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"AzureRM.RedisCache",
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"AzureRM.Relay",
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"AzureRM.Reservations",
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"AzureRM.ResourceGraph",
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"AzureRM.Resources",
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"AzureRM.Scheduler",
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"AzureRM.Search",
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"AzureRM.Security",
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"AzureRM.ServerManagement",
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"AzureRM.ServiceBus",
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"AzureRM.ServiceFabric",
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"AzureRM.SignalR",
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"AzureRM.SiteRecovery",
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"AzureRM.Sql",
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"AzureRm.Storage",
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"AzureRM.StorageSync",
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"AzureRM.StreamAnalytics",
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"AzureRM.Subscription",
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"AzureRM.Subscription.Preview",
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"AzureRM.Tags",
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"AzureRM.TrafficManager",
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"AzureRm.UsageAggregates",
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"AzureRm.Websites",
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"AzureRmStorageTable",
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"bestpractices",
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"bitlocker",
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"bitstransfer",
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"booteventcollector",
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"branchcache",
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"CimCmdlets",
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"clusterawareupdating",
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"CompatPowerShellGet",
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"configci",
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"ConfigurationManager",
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"DataProtectionManager",
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"dcbqos",
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"deduplication",
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"defender",
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"devicehealthattestation",
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"dfsn",
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"dfsr",
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"dhcpserver",
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"directaccessclient",
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"directaccessclientcomponent",
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"directaccessclientcomponents",
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"dism",
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"dnsclient",
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"dnsserver",
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"ElasticDatabaseJobs",
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"EventTracingManagement",
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"failoverclusters",
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"fileserverresourcemanager",
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"FIMAutomation",
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"GPRegistryPolicy",
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"grouppolicy",
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"hardwarecertification",
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"hcs",
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"hgsattestation",
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"hgsclient",
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"hgsdiagnostics",
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"hgskeyprotection",
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"hgsserver",
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"hnvdiagnostics",
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"hostcomputeservice",
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"hpc",
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"HPC.ACM",
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"HPC.ACM.API.PS",
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"HPCPack2016",
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"hyper-v",
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"IISAdministration",
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"international",
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"ipamserver",
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"iscsi",
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"iscsitarget",
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"ISE",
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"kds",
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"Microsoft.MBAM",
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"Microsoft.MEDV",
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"MgmtSvcAdmin",
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"MgmtSvcConfig",
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"MgmtSvcMySql",
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"MgmtSvcSqlServer",
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"Microsoft.AzureStack.ReadinessChecker",
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"Microsoft.Crm.PowerShell",
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"Microsoft.DiagnosticDataViewer",
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"Microsoft.DirectoryServices.MetadirectoryServices.Config",
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"Microsoft.Dynamics.Nav.Apps.Management",
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"Microsoft.Dynamics.Nav.Apps.Tools",
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"Microsoft.Dynamics.Nav.Ide",
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"Microsoft.Dynamics.Nav.Management",
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"Microsoft.Dynamics.Nav.Model.Tools",
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"Microsoft.Dynamics.Nav.Model.Tools.Crm",
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"Microsoft.EnterpriseManagement.Warehouse.Cmdlets",
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"Microsoft.Medv.Administration.Commands.WorkspacePackager",
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"Microsoft.PowerApps.Checker.PowerShell",
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"Microsoft.PowerShell.Archive",
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"Microsoft.PowerShell.Core",
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"Microsoft.PowerShell.Crescendo",
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"Microsoft.PowerShell.Diagnostics",
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"Microsoft.PowerShell.Host",
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"Microsoft.PowerShell.LocalAccounts",
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"Microsoft.PowerShell.Management",
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"Microsoft.PowerShell.ODataUtils",
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"Microsoft.PowerShell.Operation.Validation",
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"Microsoft.PowerShell.RemotingTools",
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"Microsoft.PowerShell.SecretManagement",
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"Microsoft.PowerShell.SecretStore",
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"Microsoft.PowerShell.Security",
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|
"Microsoft.PowerShell.TextUtility",
|
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"Microsoft.PowerShell.Utility",
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"Microsoft.SharePoint.Powershell",
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"Microsoft.SystemCenter.ServiceManagementAutomation",
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"Microsoft.Windows.ServerManager.Migration",
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"Microsoft.WSMan.Management",
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"Microsoft.Xrm.OnlineManagementAPI",
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"Microsoft.Xrm.Tooling.CrmConnector.PowerShell",
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"Microsoft.Xrm.Tooling.PackageDeployment",
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|
"Microsoft.Xrm.Tooling.PackageDeployment.Powershell",
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|
"Microsoft.Xrm.Tooling.Testing",
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|
"MicrosoftPowerBIMgmt",
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|
"MicrosoftPowerBIMgmt.Data",
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|
"MicrosoftPowerBIMgmt.Profile",
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"MicrosoftPowerBIMgmt.Reports",
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"MicrosoftPowerBIMgmt.Workspaces",
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"MicrosoftStaffHub",
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"MicrosoftTeams",
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"MIMPAM",
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"mlSqlPs",
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"MMAgent",
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|
"MPIO",
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|
"MsDtc",
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|
"MSMQ",
|
|
"MSOnline",
|
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"MSOnlineBackup",
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|
"WmsCmdlets",
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|
"WmsCmdlets3",
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|
"NanoServerImageGenerator",
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|
"NAVWebClientManagement",
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|
"NetAdapter",
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|
"NetConnection",
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|
"NetEventPacketCapture",
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|
"Netlbfo",
|
|
"Netldpagent",
|
|
"NetNat",
|
|
"Netqos",
|
|
"NetSecurity",
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|
"NetSwitchtTeam",
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|
"Nettcpip",
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|
"Netwnv",
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|
"NetworkConnectivity",
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"NetworkConnectivityStatus",
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"NetworkController",
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"NetworkControllerDiagnostics",
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"NetworkloadBalancingClusters",
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"NetworkSwitchManager",
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"NetworkTransition",
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"NFS",
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"NPS",
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|
"OfficeWebapps",
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"OperationsManager",
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|
"PackageManagement",
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|
"PartnerCenter",
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"pcsvdevice",
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"pef",
|
|
"Pester",
|
|
"pkiclient",
|
|
"platformidentifier",
|
|
"pnpdevice",
|
|
"PowerShellEditorServices",
|
|
"PowerShellGet",
|
|
"powershellwebaccess",
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|
"printmanagement",
|
|
"ProcessMitigations",
|
|
"provisioning",
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|
"PSDesiredStateConfiguration",
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"PSDiagnostics",
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"PSReadLine",
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"PSScheduledJob",
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"PSScriptAnalyzer",
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"PSWorkflow",
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"PSWorkflowUtility",
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"RemoteAccess",
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"RemoteDesktop",
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"RemoteDesktopServices",
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"ScheduledTasks",
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"Secureboot",
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"ServerCore",
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"ServerManager",
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"ServerManagerTasks",
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"ServerMigrationcmdlets",
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"ServiceFabric",
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"Microsoft.Online.SharePoint.PowerShell",
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"shieldedvmdatafile",
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"shieldedvmprovisioning",
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"shieldedvmtemplate",
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"SkypeOnlineConnector",
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"SkypeForBusinessHybridHealth",
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"smbshare",
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"smbwitness",
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"smisconfig",
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"softwareinventorylogging",
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"SPFAdmin",
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"Microsoft.SharePoint.MigrationTool.PowerShell",
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"sqlps",
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"SqlServer",
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"StartLayout",
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"StartScreen",
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"Storage",
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"StorageDsc",
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"storageqos",
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"Storagereplica",
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"Storagespaces",
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"Syncshare",
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"System.Center.Service.Manager",
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"TLS",
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"TroubleshootingPack",
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"TrustedPlatformModule",
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"UEV",
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"UpdateServices",
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"UserAccessLogging",
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"vamt",
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"VirtualMachineManager",
|
|
"vpnclient",
|
|
"WasPSExt",
|
|
"WDAC",
|
|
"WDS",
|
|
"WebAdministration",
|
|
"WebAdministrationDsc",
|
|
"WebApplicationProxy",
|
|
"WebSites",
|
|
"Whea",
|
|
"WhiteboardAdmin",
|
|
"WindowsDefender",
|
|
"WindowsDefenderDsc",
|
|
"WindowsDeveloperLicense",
|
|
"WindowsDiagnosticData",
|
|
"WindowsErrorReporting",
|
|
"WindowServerRackup",
|
|
"WindowsSearch",
|
|
"WindowsServerBackup",
|
|
"WindowsUpdate",
|
|
"wsscmdlets",
|
|
"wsssetup",
|
|
"wsus",
|
|
"xActiveDirectory",
|
|
"xBitLocker",
|
|
"xDefender",
|
|
"xDhcpServer",
|
|
"xDismFeature",
|
|
"xDnsServer",
|
|
"xHyper-V",
|
|
"xHyper-VBackup",
|
|
"xPSDesiredStateConfiguration",
|
|
"xSmbShare",
|
|
"xSqlPs",
|
|
"xStorage",
|
|
"xWebAdministration",
|
|
"xWindowsUpdate",
|
|
};
|
|
|
|
s_uniqueUserIdentifier = GetUniqueIdentifier().ToString();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determine whether the environment variable is set and how.
|
|
/// </summary>
|
|
/// <param name="name">The name of the environment variable.</param>
|
|
/// <param name="defaultValue">If the environment variable is not set, use this as the default value.</param>
|
|
/// <returns>A boolean representing the value of the environment variable.</returns>
|
|
private static bool GetEnvironmentVariableAsBool(string name, bool defaultValue)
|
|
{
|
|
var str = Environment.GetEnvironmentVariable(name);
|
|
if (string.IsNullOrEmpty(str))
|
|
{
|
|
return defaultValue;
|
|
}
|
|
|
|
var boolStr = str.AsSpan();
|
|
|
|
if (boolStr.Length == 1)
|
|
{
|
|
if (boolStr[0] == '1')
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (boolStr[0] == '0')
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (boolStr.Length == 3 &&
|
|
(boolStr[0] == 'y' || boolStr[0] == 'Y') &&
|
|
(boolStr[1] == 'e' || boolStr[1] == 'E') &&
|
|
(boolStr[2] == 's' || boolStr[2] == 'S'))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (boolStr.Length == 2 &&
|
|
(boolStr[0] == 'n' || boolStr[0] == 'N') &&
|
|
(boolStr[1] == 'o' || boolStr[1] == 'O'))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (boolStr.Length == 4 &&
|
|
(boolStr[0] == 't' || boolStr[0] == 'T') &&
|
|
(boolStr[1] == 'r' || boolStr[1] == 'R') &&
|
|
(boolStr[2] == 'u' || boolStr[2] == 'U') &&
|
|
(boolStr[3] == 'e' || boolStr[3] == 'E'))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (boolStr.Length == 5 &&
|
|
(boolStr[0] == 'f' || boolStr[0] == 'F') &&
|
|
(boolStr[1] == 'a' || boolStr[1] == 'A') &&
|
|
(boolStr[2] == 'l' || boolStr[2] == 'L') &&
|
|
(boolStr[3] == 's' || boolStr[3] == 'S') &&
|
|
(boolStr[4] == 'e' || boolStr[4] == 'E'))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return defaultValue;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Send telemetry as a metric.
|
|
/// </summary>
|
|
/// <param name="metricId">The type of telemetry that we'll be sending.</param>
|
|
/// <param name="data">The specific details about the telemetry.</param>
|
|
internal static void SendTelemetryMetric(TelemetryType metricId, string data)
|
|
{
|
|
if (!CanSendTelemetry)
|
|
{
|
|
return;
|
|
}
|
|
|
|
SendPSCoreStartupTelemetry("hosted");
|
|
|
|
string metricName = metricId.ToString();
|
|
try
|
|
{
|
|
switch (metricId)
|
|
{
|
|
case TelemetryType.ApplicationType:
|
|
case TelemetryType.PowerShellCreate:
|
|
case TelemetryType.RemoteSessionOpen:
|
|
case TelemetryType.ExperimentalEngineFeatureActivation:
|
|
s_telemetryClient.GetMetric(metricName, "uuid", "SessionId", "Detail").TrackValue(metricValue: 1.0, s_uniqueUserIdentifier, s_sessionId, data);
|
|
break;
|
|
case TelemetryType.ExperimentalModuleFeatureActivation:
|
|
string experimentalFeatureName = GetExperimentalFeatureName(data);
|
|
s_telemetryClient.GetMetric(metricName, "uuid", "SessionId", "Detail").TrackValue(metricValue: 1.0, s_uniqueUserIdentifier, s_sessionId, experimentalFeatureName);
|
|
break;
|
|
case TelemetryType.ModuleLoad:
|
|
case TelemetryType.WinCompatModuleLoad:
|
|
string moduleName = GetModuleName(data); // This will return anonymous if the modulename is not on the report list
|
|
s_telemetryClient.GetMetric(metricName, "uuid", "SessionId", "Detail").TrackValue(metricValue: 1.0, s_uniqueUserIdentifier, s_sessionId, moduleName);
|
|
break;
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
// do nothing, telemetry can't be sent
|
|
// don't send the panic telemetry as if we have failed above, it will likely fail here.
|
|
}
|
|
}
|
|
|
|
// Get the experimental feature name. If we can report it, we'll return the name of the feature, otherwise, we'll return "anonymous"
|
|
private static string GetExperimentalFeatureName(string featureNameToValidate)
|
|
{
|
|
// An experimental feature in a module is guaranteed to start with the module name
|
|
// we can strip out the text past the last '.' as the text before that will be the ModuleName
|
|
int lastDotIndex = featureNameToValidate.LastIndexOf('.');
|
|
string moduleName = featureNameToValidate.Substring(0, lastDotIndex);
|
|
if (s_knownModules.Contains(moduleName))
|
|
{
|
|
return featureNameToValidate;
|
|
}
|
|
|
|
return _anonymous;
|
|
}
|
|
|
|
// Get the module name. If we can report it, we'll return the name, otherwise, we'll return "anonymous"
|
|
private static string GetModuleName(string moduleNameToValidate)
|
|
{
|
|
if (s_knownModules.Contains(moduleNameToValidate))
|
|
{
|
|
return moduleNameToValidate;
|
|
}
|
|
|
|
return _anonymous;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Create the startup payload and send it up.
|
|
/// This is done only once during for the console host.
|
|
/// </summary>
|
|
/// <param name="mode">The "mode" of the startup.</param>
|
|
internal static void SendPSCoreStartupTelemetry(string mode)
|
|
{
|
|
// Check if we already sent startup telemetry
|
|
if (Interlocked.CompareExchange(ref s_startupEventSent, 1, 0) == 1)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!CanSendTelemetry)
|
|
{
|
|
return;
|
|
}
|
|
|
|
var properties = new Dictionary<string, string>();
|
|
|
|
// The variable POWERSHELL_DISTRIBUTION_CHANNEL is set in our docker images.
|
|
// This allows us to track the actual docker OS as OSDescription provides only "linuxkit"
|
|
// which has limited usefulness
|
|
var channel = Environment.GetEnvironmentVariable("POWERSHELL_DISTRIBUTION_CHANNEL");
|
|
|
|
properties.Add("SessionId", s_sessionId);
|
|
properties.Add("UUID", s_uniqueUserIdentifier);
|
|
properties.Add("GitCommitID", PSVersionInfo.GitCommitId);
|
|
properties.Add("OSDescription", RuntimeInformation.OSDescription);
|
|
properties.Add("OSChannel", string.IsNullOrEmpty(channel) ? "unknown" : channel);
|
|
properties.Add("StartMode", string.IsNullOrEmpty(mode) ? "unknown" : mode);
|
|
try
|
|
{
|
|
s_telemetryClient.TrackEvent("ConsoleHostStartup", properties, null);
|
|
}
|
|
catch
|
|
{
|
|
// do nothing, telemetry cannot be sent
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Try to read the file and collect the guid.
|
|
/// </summary>
|
|
/// <param name="telemetryFilePath">The path to the telemetry file.</param>
|
|
/// <param name="id">The newly created id.</param>
|
|
/// <returns>
|
|
/// The method returns a bool indicating success or failure of creating the id.
|
|
/// </returns>
|
|
private static bool TryGetIdentifier(string telemetryFilePath, out Guid id)
|
|
{
|
|
if (File.Exists(telemetryFilePath))
|
|
{
|
|
// attempt to read the persisted identifier
|
|
const int GuidSize = 16;
|
|
byte[] buffer = new byte[GuidSize];
|
|
try
|
|
{
|
|
using (FileStream fs = new FileStream(telemetryFilePath, FileMode.Open, FileAccess.Read))
|
|
{
|
|
// if the read is invalid, or wrong size, we return it
|
|
int n = fs.Read(buffer, 0, GuidSize);
|
|
if (n == GuidSize)
|
|
{
|
|
// it's possible this could through
|
|
id = new Guid(buffer);
|
|
if (id != Guid.Empty)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
// something went wrong, the file may not exist or not have enough bytes, so return false
|
|
}
|
|
}
|
|
|
|
id = Guid.Empty;
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Try to create a unique identifier and persist it to the telemetry.uuid file.
|
|
/// </summary>
|
|
/// <param name="telemetryFilePath">The path to the persisted telemetry.uuid file.</param>
|
|
/// <param name="id">The created identifier.</param>
|
|
/// <returns>
|
|
/// The method returns a bool indicating success or failure of creating the id.
|
|
/// </returns>
|
|
private static bool TryCreateUniqueIdentifierAndFile(string telemetryFilePath, out Guid id)
|
|
{
|
|
// one last attempt to retrieve before creating incase we have a lot of simultaneous entry into the mutex.
|
|
id = Guid.Empty;
|
|
if (TryGetIdentifier(telemetryFilePath, out id))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// The directory may not exist, so attempt to create it
|
|
// CreateDirectory will simply return the directory if exists
|
|
try
|
|
{
|
|
Directory.CreateDirectory(Path.GetDirectoryName(telemetryFilePath));
|
|
}
|
|
catch
|
|
{
|
|
// send a telemetry indicating a problem with the cache dir
|
|
// it's likely something is seriously wrong so we should at least report it.
|
|
// We don't want to provide reasons here, that's not the point, but we
|
|
// would like to know if we're having a generalized problem which we can trace statistically
|
|
CanSendTelemetry = false;
|
|
s_telemetryClient.GetMetric(_telemetryFailure, "Detail").TrackValue(1, "cachedir");
|
|
return false;
|
|
}
|
|
|
|
// Create and save the new identifier, and if there's a problem, disable telemetry
|
|
try
|
|
{
|
|
id = Guid.NewGuid();
|
|
File.WriteAllBytes(telemetryFilePath, id.ToByteArray());
|
|
return true;
|
|
}
|
|
catch
|
|
{
|
|
// another bit of telemetry to notify us about a problem with saving the unique id.
|
|
s_telemetryClient.GetMetric(_telemetryFailure, "Detail").TrackValue(1, "saveuuid");
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieve the unique identifier from the persisted file, if it doesn't exist create it.
|
|
/// Generate a guid which will be used as the UUID.
|
|
/// </summary>
|
|
/// <returns>A guid which represents the unique identifier.</returns>
|
|
private static Guid GetUniqueIdentifier()
|
|
{
|
|
// Try to get the unique id. If this returns false, we'll
|
|
// create/recreate the telemetry.uuid file to persist for next startup.
|
|
Guid id = Guid.Empty;
|
|
string uuidPath = Path.Join(Platform.CacheDirectory, "telemetry.uuid");
|
|
if (TryGetIdentifier(uuidPath, out id))
|
|
{
|
|
return id;
|
|
}
|
|
|
|
// Multiple processes may start simultaneously so we need a system wide
|
|
// way to control access to the file in the case (although remote) when we have
|
|
// simultaneous shell starts without the persisted file which attempt to create the file.
|
|
try
|
|
{
|
|
// TryCreateUniqueIdentifierAndFile shouldn't throw, but the mutex might
|
|
using var m = new Mutex(true, "CreateUniqueUserId");
|
|
m.WaitOne();
|
|
try
|
|
{
|
|
if (TryCreateUniqueIdentifierAndFile(uuidPath, out id))
|
|
{
|
|
return id;
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
m.ReleaseMutex();
|
|
}
|
|
}
|
|
catch (Exception)
|
|
{
|
|
// Any problem in generating a uuid will result in no telemetry being sent.
|
|
// Try to send the failure in telemetry, but it will have no unique id.
|
|
s_telemetryClient.GetMetric(_telemetryFailure, "Detail").TrackValue(1, "mutex");
|
|
}
|
|
|
|
// something bad happened, turn off telemetry since the unique id wasn't set.
|
|
CanSendTelemetry = false;
|
|
return id;
|
|
}
|
|
}
|
|
}
|