feat: support "automitigate" parameter (#14635)

* add automitigate, tests and help

* fix indentation

Author: hutzleo

src/Monitor/Monitor.Test/Alerts/AddAzureRmMetricAlertRuleV2Tests.cs

@@ -136,6 +136,57 @@ public void NewMetricAlertRuleV2ByTargetResourceScopeActionGroupAndActionGroupId
                 It.IsAny<CancellationToken>()), Times.Once);
         }
 
+        
+        [Fact]
+        [Trait(Category.AcceptanceType, Category.CheckIn)]
+        public void NewMetricAlertRuleV2WithFalseAutoMitigateFlag()
+        {
+            _cmdlet.AutoMitigate = false;
+            _cmdlet.ExecuteCmdlet();
+
+            Func<MetricAlertResource, bool> verify = metricAlert =>
+            {
+                Assert.Equal(false, metricAlert.AutoMitigate);
+                return true;
+            };
+
+            this._insightsMetricAlertsOperationsMock.Verify(o => o.CreateOrUpdateWithHttpMessagesAsync(It.IsAny<string>(), It.IsAny<string>(), It.Is<MetricAlertResource>(r => verify(r)), It.IsAny<Dictionary<string, List<string>>>(),
+                It.IsAny<CancellationToken>()), Times.Once);
+        }
+
+        [Fact]
+        [Trait(Category.AcceptanceType, Category.CheckIn)]
+        public void NewMetricAlertRuleV2WithTrueAutoMitigateFlag()
+        {
+            _cmdlet.AutoMitigate = true; ;
+            _cmdlet.ExecuteCmdlet();
+
+            Func<MetricAlertResource, bool> verify = metricAlert =>
+            {
+                Assert.Equal(true, metricAlert.AutoMitigate);
+                return true;
+            };
+
+            this._insightsMetricAlertsOperationsMock.Verify(o => o.CreateOrUpdateWithHttpMessagesAsync(It.IsAny<string>(), It.IsAny<string>(), It.Is<MetricAlertResource>(r => verify(r)), It.IsAny<Dictionary<string, List<string>>>(),
+                It.IsAny<CancellationToken>()), Times.Once);
+        }
+
+        [Fact]
+        [Trait(Category.AcceptanceType, Category.CheckIn)]
+        public void NewMetricAlertRuleV2WithDefaultAutoMitigateFlag()
+        {
+            _cmdlet.ExecuteCmdlet();
+
+            Func<MetricAlertResource, bool> verify = metricAlert =>
+            {
+                Assert.Equal(true, metricAlert.AutoMitigate);
+                return true;
+            };
+
+            this._insightsMetricAlertsOperationsMock.Verify(o => o.CreateOrUpdateWithHttpMessagesAsync(It.IsAny<string>(), It.IsAny<string>(), It.Is<MetricAlertResource>(r => verify(r)), It.IsAny<Dictionary<string, List<string>>>(),
+                It.IsAny<CancellationToken>()), Times.Once);
+        }
+
         [Fact]
         [Trait(Category.AcceptanceType, Category.CheckIn)]
         public void NewMetricAlertRuleV2WithWebtestConditionProcessing()

src/Monitor/Monitor.Test/ScenarioTests/AlertsTests.cs

@@ -127,6 +127,13 @@ public void TestAddAzureRmMetricAlertRuleV2WithSkipMetricValidation()
             TestsController.NewInstance.RunPsTest(_logger, "Test-AddAzureRmMetricAlertRuleV2-SkipMetricValidation");
         }
 
+        [Fact]
+        [Trait(Category.AcceptanceType, Category.CheckIn)]
+        public void TestAddAzureRmMetricAlertRuleV2WithAutoMitigate()
+        {
+            TestsController.NewInstance.RunPsTest(_logger, "Test-AddAzureRmMetricAlertRuleV2-autoMitigate");
+        }
+
         [Fact]
         [Trait(Category.AcceptanceType, Category.CheckIn)]
         public void TestDisableAzureRmMetricAlertRuleV2WithActionGroups()

src/Monitor/Monitor.Test/ScenarioTests/AlertsTests.ps1

@@ -440,6 +440,39 @@ function Test-AddAzureRmMetricAlertRuleV2-skipMetricValidation
 }
 
 
+	<#
+.SYNOPSIS
+Tests adding a GenV2 metric alert rule with AutoMitigate = false
+#>
+function Test-AddAzureRmMetricAlertRuleV2-autoMitigate
+{
+	# Setup
+	$sub = Get-AzContext
+	$subscription = $sub.subscription.subscriptionId
+	$rgname = Get-ResourceGroupName
+	$location =Get-ProviderLocation ResourceManagement
+	$resourceName = Get-ResourceName
+	$ruleName = Get-ResourceName
+	$targetResourceId = '/subscriptions/'+$subscription+'/resourceGroups/'+$rgname+'/providers/Microsoft.Storage/storageAccounts/'+$resourceName
+	New-AzResourceGroup -Name $rgname -Location $location -Force
+	New-AzStorageAccount -ResourceGroupName $rgname -Name $resourceName -Location $location -Type Standard_GRS
+	$condition = New-AzMetricAlertRuleV2Criteria -MetricName "UsedCapacity" -Operator GreaterThan -Threshold 8 -TimeAggregation Average
+	try
+	{
+		# Test
+		$actual = Add-AzMetricAlertRuleV2 -Name $ruleName -ResourceGroupName $rgname -WindowSize 01:00:00 -Frequency 00:01:00 -TargetResourceId $targetResourceId -Condition $condition -Severity 3 -AutoMitigate $false
+		Assert-AreEqual $actual.Name $ruleName
+	}
+	finally
+	{
+		# Cleanup
+		Remove-AzMetricAlertRuleV2 -ResourceGroupName $rgname -Name $ruleName
+		Remove-AzureRmStorageAccount -ResourceGroupName $rgName -Name $resourceName
+		Remove-AzResourceGroup -Name $rgname -Force
+	}
+}
+
+
 	<#
 .SYNOPSIS
 Tests disabling a GenV2 metric alert rule with action groups.