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marcelloformica merged 2 commits into from
Sep 8, 2026
Merged

Improve availability performance and lifecycle accuracy #13

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a0bd295
Improve availability function performance
marcelloformica Sep 8, 2026
c4a5156
Update Azure APIs and VM lifecycle tracking
marcelloformica Sep 8, 2026
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38 changes: 24 additions & 14 deletions Bicep/getavailability.bicep
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Original file line number Diff line number Diff line change
Expand Up @@ -57,12 +57,20 @@ param dnsZonesSubscriptionId string = ''
@description('Resource group name containing existing Private DNS Zones. Required only when usePrivateEndpoints is true.')
param dnsZonesResourceGroupName string = ''

@description('Comma-separated list of Azure subscription names or IDs to monitor (written to GETAVAIL_SUBSCRIPTIONS app setting).')
@description('Comma-separated list of Azure subscription display names to monitor (written to GETAVAIL_SUBSCRIPTIONS app setting).')
param getavailSubscriptions string

@description('Comma-separated resource kinds to monitor. Default: vm,sql,storage,webapp')
param getavailKinds string = 'vm,sql,storage,webapp'

@description('Use the regional Metrics Batch API for the scheduled availability run.')
param getavailBatch bool = true

@description('Maximum resources per Metrics Batch API request.')
@minValue(1)
@maxValue(50)
param getavailBatchSize int = 10

@description('Log Analytics workspace customer ID used as source for Activity Log and Resource Health queries (SOURCE_WORKSPACE_ID app setting). Leave empty to skip.')
param sourceWorkspaceId string = ''

Expand All @@ -87,19 +95,19 @@ var functionAppPublicNetworkAccess = usePrivateEndpoints ? 'Disabled' : 'Enabled

// ── Existing Private DNS Zones ───────────────────────────────────────────────

resource blobDnsZone 'Microsoft.Network/privateDnsZones@2020-06-01' existing = if (usePrivateEndpoints) {
resource blobDnsZone 'Microsoft.Network/privateDnsZones@2024-06-01' existing = if (usePrivateEndpoints) {
name: 'privatelink.blob.${environment().suffixes.storage}'
scope: resourceGroup(dnsZonesSubscriptionId, dnsZonesResourceGroupName)
}

resource webAppDnsZone 'Microsoft.Network/privateDnsZones@2020-06-01' existing = if (usePrivateEndpoints) {
resource webAppDnsZone 'Microsoft.Network/privateDnsZones@2024-06-01' existing = if (usePrivateEndpoints) {
name: 'privatelink.azurewebsites.net'
scope: resourceGroup(dnsZonesSubscriptionId, dnsZonesResourceGroupName)
}

// ── Log Analytics Workspace ──────────────────────────────────────────────────

resource logAnalyticsWorkspace 'Microsoft.OperationalInsights/workspaces@2023-09-01' = {
resource logAnalyticsWorkspace 'Microsoft.OperationalInsights/workspaces@2026-03-01' = {
name: logAnalyticsWorkspaceName
location: location
properties: {
Expand All @@ -113,7 +121,7 @@ resource logAnalyticsWorkspace 'Microsoft.OperationalInsights/workspaces@2023-09

// ── Custom Table: GetAvailResources_CL (per-resource detail) ─────────────────

resource resourcesTable 'Microsoft.OperationalInsights/workspaces/tables@2022-10-01' = {
resource resourcesTable 'Microsoft.OperationalInsights/workspaces/tables@2026-03-01' = {
name: 'GetAvailResources_CL'
parent: logAnalyticsWorkspace
properties: {
Expand Down Expand Up @@ -147,7 +155,7 @@ resource resourcesTable 'Microsoft.OperationalInsights/workspaces/tables@2022-10

// ── Custom Table: GetAvailSummary_CL (aggregated summaries) ──────────────────

resource summaryTable 'Microsoft.OperationalInsights/workspaces/tables@2022-10-01' = {
resource summaryTable 'Microsoft.OperationalInsights/workspaces/tables@2026-03-01' = {
name: 'GetAvailSummary_CL'
parent: logAnalyticsWorkspace
properties: {
Expand Down Expand Up @@ -176,7 +184,7 @@ resource summaryTable 'Microsoft.OperationalInsights/workspaces/tables@2022-10-0

// ── Data Collection Endpoint ─────────────────────────────────────────────────

resource dataCollectionEndpoint 'Microsoft.Insights/dataCollectionEndpoints@2023-03-11' = {
resource dataCollectionEndpoint 'Microsoft.Insights/dataCollectionEndpoints@2024-03-11' = {
name: dataCollectionEndpointName
location: location
properties: {
Expand All @@ -189,7 +197,7 @@ resource dataCollectionEndpoint 'Microsoft.Insights/dataCollectionEndpoints@2023

// ── Data Collection Rule (two streams, one per table) ────────────────────────

resource dataCollectionRule 'Microsoft.Insights/dataCollectionRules@2023-03-11' = {
resource dataCollectionRule 'Microsoft.Insights/dataCollectionRules@2025-05-11' = {
name: dataCollectionRuleName
location: location
kind: 'Direct'
Expand Down Expand Up @@ -272,7 +280,7 @@ resource dataCollectionRule 'Microsoft.Insights/dataCollectionRules@2023-03-11'

// ── Storage Account ──────────────────────────────────────────────────────────

resource storageAccount 'Microsoft.Storage/storageAccounts@2025-01-01' = {
resource storageAccount 'Microsoft.Storage/storageAccounts@2026-06-01' = {
name: storageAccountName
location: location
sku: {
Expand Down Expand Up @@ -313,7 +321,7 @@ resource storageAccount 'Microsoft.Storage/storageAccounts@2025-01-01' = {

// ── Private Endpoint: Storage Account (blob) ─────────────────────────────────

resource storageAccountBlobPrivateEndpoint 'Microsoft.Network/privateEndpoints@2024-10-01' = if (usePrivateEndpoints) {
resource storageAccountBlobPrivateEndpoint 'Microsoft.Network/privateEndpoints@2026-03-01' = if (usePrivateEndpoints) {
name: 'pe-blob-${storageAccountName}'
location: location
properties: any({
Expand Down Expand Up @@ -372,7 +380,7 @@ resource applicationInsights 'Microsoft.Insights/components@2020-02-02' = {

// ── Flex Consumption Plan ────────────────────────────────────────────────────

resource flexServicePlan 'Microsoft.Web/serverfarms@2024-11-01' = {
resource flexServicePlan 'Microsoft.Web/serverfarms@2026-07-15' = {
name: 'asp-${functionAppName}'
location: location
kind: 'functionapp'
Expand All @@ -388,7 +396,7 @@ resource flexServicePlan 'Microsoft.Web/serverfarms@2024-11-01' = {

// ── Function App ─────────────────────────────────────────────────────────────

resource functionApp 'Microsoft.Web/sites@2024-11-01' = {
resource functionApp 'Microsoft.Web/sites@2026-07-15' = {
name: functionAppName
location: location
kind: 'functionapp,linux'
Expand Down Expand Up @@ -424,7 +432,7 @@ resource functionApp 'Microsoft.Web/sites@2024-11-01' = {
}
runtime: {
name: 'powerShell'
version: '7.4'
version: '7.6'
}
}
}
Expand All @@ -440,6 +448,8 @@ resource functionApp 'Microsoft.Web/sites@2024-11-01' = {
// Get-Availability configuration — auto-wired from Bicep resources
GETAVAIL_SUBSCRIPTIONS: getavailSubscriptions
GETAVAIL_KINDS: getavailKinds
GETAVAIL_BATCH: getavailBatch ? 'true' : 'false'
GETAVAIL_BATCH_SIZE: string(getavailBatchSize)
DCE_ENDPOINT: dataCollectionEndpoint.properties.logsIngestion.endpoint
DCR_IMMUTABLE_ID: dataCollectionRule.properties.immutableId
SOURCE_WORKSPACE_ID: sourceWorkspaceId
Expand All @@ -456,7 +466,7 @@ resource functionApp 'Microsoft.Web/sites@2024-11-01' = {

// ── Private Endpoint: Function App (sites) ───────────────────────────────────

resource functionAppPrivateEndpoint 'Microsoft.Network/privateEndpoints@2024-10-01' = if (usePrivateEndpoints) {
resource functionAppPrivateEndpoint 'Microsoft.Network/privateEndpoints@2026-03-01' = if (usePrivateEndpoints) {
name: 'pe-sites-${functionAppName}'
location: location
properties: any({
Expand Down
4 changes: 4 additions & 0 deletions Bicep/parameters.dev.bicepparam
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Expand Up @@ -37,5 +37,9 @@ param dnsZonesResourceGroupName = 'rg-alz-dns-hub-itn-001'
// Comma-separated subscription names monitored by the Function App.
param getavailSubscriptions = 'Flaz-Connectivity,Flaz-Management,Flaz-Identity,Flaz-Workloads'

// Use regional batch metric requests, with up to 10 resources per request.
param getavailBatch = true
param getavailBatchSize = 10

// Existing Log Analytics workspace used as the source for Activity Log and Resource Health KQL queries.
param sourceWorkspaceId = 'f25755bb-9b46-4aac-bfae-6a10c4c18440'
2 changes: 1 addition & 1 deletion Functions/GetAvail/RunGetAvailability/run.ps1
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Expand Up @@ -7,7 +7,7 @@
Can also be started manually from the Azure Portal or via the Functions runtime API.

Reads configuration from App Settings (environment variables):
GETAVAIL_SUBSCRIPTIONS - Comma-separated list of subscription names or IDs (required)
GETAVAIL_SUBSCRIPTIONS - Comma-separated list of subscription display names (required)
GETAVAIL_KINDS - Comma-separated resource kinds (default: vm,sql,storage,webapp)
DCE_ENDPOINT - Data Collection Endpoint URL (optional, enables ingestion)
DCR_IMMUTABLE_ID - Data Collection Rule immutable ID (optional, paired with DCE_ENDPOINT)
Expand Down
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