Update Function Scaling Policy and Diagnostic Settings. (#2140)

* Update Function Scaling Policy and Diagnostic Settings.

* Adding changes to scaling policy

* UPdating cooldown.

* Changing time windows.

* Updating duration.

src/deployment/azuredeploy.bicep

@@ -62,6 +62,17 @@ resource scalesetIdentity 'Microsoft.ManagedIdentity/userAssignedIdentities@2018
   location: location
 }
 
+module operationalInsights 'bicep-templates/operational-insights.bicep' = {
+  name: 'operational-insights'
+  params: {
+    name: name
+    location: location
+    log_retention: log_retention
+    owner: owner
+    workbookData: workbookData
+  }
+}
+
 module serverFarms 'bicep-templates/server-farms.bicep' = {
   name: 'server-farms' 
   params: {
@@ -138,17 +149,8 @@ module autoscaleSettings 'bicep-templates/autoscale-settings.bicep' = {
     location: location
     server_farm_id: serverFarms.outputs.id
     owner: owner
-  }
+    workspaceId: operationalInsights.outputs.workspaceId
-}
+    logRetention: log_retention
-
-module operationalInsights 'bicep-templates/operational-insights.bicep' = {
-  name: 'operational-insights'
-  params: {
-    name: name
-    location: location
-    log_retention: log_retention
-    owner: owner
-    workbookData: workbookData
   }
 }
 
@@ -373,7 +375,6 @@ module netFunctionSettings 'bicep-templates/function-settings.bicep' = {
   ]
 }
 
-
 output fuzz_storage string = storage.outputs.FuzzId
 output fuzz_name string = storage.outputs.FuzzName
 output fuzz_key string = storage.outputs.FuzzKey

src/deployment/bicep-templates/autoscale-settings.bicep

@@ -1,6 +1,8 @@
 param location string
 param server_farm_id string
 param owner string
+param workspaceId string
+param logRetention int
 
 var autoscale_name = 'onefuzz-autoscale-${uniqueString(resourceGroup().id)}' 
 
@@ -28,16 +30,16 @@ resource autoscaleSettings 'Microsoft.Insights/autoscalesettings@2015-04-01' = {
               metricResourceUri: server_farm_id
               operator: 'GreaterThanOrEqual'
               statistic: 'Average'
-              threshold: 20
+              threshold: 50
               timeAggregation: 'Average'
               timeGrain: 'PT1M'
-              timeWindow: 'PT1M'
+              timeWindow: 'PT10M'
             }
             scaleAction: {
-              cooldown: 'PT1M'
+              cooldown: 'PT10M'
               direction: 'Increase'
               type: 'ChangeCount'
-              value: '5'
+              value: '1'
             }
           }
           {
@@ -46,13 +48,13 @@ resource autoscaleSettings 'Microsoft.Insights/autoscalesettings@2015-04-01' = {
               metricResourceUri: server_farm_id
               operator: 'LessThan'
               statistic: 'Average'
-              threshold: 20
+              threshold: 25
               timeAggregation:'Average' 
               timeGrain: 'PT1M'
-              timeWindow: 'PT1M'
+              timeWindow: 'PT10M'
             }
             scaleAction: {
-              cooldown: 'PT5M'
+              cooldown: 'PT10M'
               direction: 'Decrease'
               type: 'ChangeCount'
               value: '1'
@@ -67,3 +69,21 @@ resource autoscaleSettings 'Microsoft.Insights/autoscalesettings@2015-04-01' = {
     OWNER: owner
   }
 }
+
+resource functionDiagnosticSettings 'Microsoft.Insights/diagnosticSettings@2021-05-01-preview' = {
+  name: 'functionDiagnosticSettings'
+  scope: autoscaleSettings
+  properties: {
+    logs: [
+      {
+        categoryGroup: 'allLogs'
+        enabled: true
+        retentionPolicy: {
+          days: logRetention
+          enabled: true
+        }
+      }
+    ]
+    workspaceId: workspaceId
+  }
+}

src/deployment/bicep-templates/operational-insights.bicep

@@ -165,3 +165,4 @@ resource insightsWorkbooks 'Microsoft.Insights/workbooks@2021-08-01' = {
 output monitorAccountName string = monitorAccountName
 output appInsightsAppId string = insightsComponents.properties.AppId
 output appInsightsInstrumentationKey string = insightsComponents.properties.InstrumentationKey
+output workspaceId string = resourceId('Microsoft.OperationalInsights/workspaces', monitorAccountName)

src/deployment/bicep-templates/server-farms.bicep

@@ -20,5 +20,4 @@ resource serverFarms 'Microsoft.Web/serverfarms@2021-03-01' = {
   }
 }
 
-
 output id string = serverFarms.id