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deployFunction.bicep
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// Parameters
@description('The object id of the Service Principal for the Graph Change Tracking Application.')
@minLength(36)
@maxLength(36)
param graphChangeTrackingAppObjectId string
@description('The name of the tenant to monitor')
param teamsTenantDomainName string
@description('The base name to use for the resources that will be provisioned. It must start with a letter and contain only letters and numbers. It must be globally unique.')
@minLength(3)
@maxLength(35)
param baseResourceName string = resourceGroup().name
@description('Location for all resources.')
param location string = resourceGroup().location
@description('The type of deployment. Production is a standard deployment. DevTest is a smaller deployment with no SLA.')
@allowed([
'Production'
'RestrictedProduction'
'DevTest'
])
param deploymentType string = 'Production'
@description('The name of the Cosmos DB account to create. Must be between 3 and 44 characters long, and contain only lowercase letters, numbers, and hyphens and start with a letter or number.')
@minLength(3)
@maxLength(44)
param cosmosAccountName string = '${baseResourceName}cdb'
@description('The name of the cosmos database that contains the processed call records table.')
param callRecordsDatabaseName string = 'callrecordinsights'
@description('The name of the cosmos container that contains the processed call records.')
param callRecordsContainerName string = 'records'
param useSeparateKeyVaultForGraph bool = deploymentType != 'DevTest'
param useGraphEventHubManagedIdentity bool = false
// Variables
var tenantId = subscription().tenantId
var tenantDomain = teamsTenantDomainName
var storageAccountName = 'callq${uniqueString(toLower(baseResourceName), toLower(tenantId))}'
var downloadQueueName = '${toLower(callRecordsDatabaseName)}download'
var keyvaultName = length('kv${baseResourceName}') > 24 ? substring('kv${baseResourceName}', 0, 24) : 'kv${baseResourceName}'
var graphKeyVaultName = 'g${length(keyvaultName) > 23 ? substring(keyvaultName, 0, 23) : keyvaultName}'
// T-Shirt sizing
var configurations = {
DevTest: {
serverfarm: {
sku: {
name: 'Y1'
// tier: 'Dynamic'
}
}
storage: {
sku: {
name: 'Standard_LRS'
}
properties: {
supportsHttpsTrafficOnly: true
allowBlobPublicAccess: false
minimumTlsVersion: 'TLS1_2'
}
}
eventHub: {
sku: {
name: 'Basic'
}
properties: {
disableLocalAuth: useGraphEventHubManagedIdentity
}
eventhubs: {
properties: {
messageRetentionInDays: 1
}
}
}
functionApp: {
identity: {
type: 'SystemAssigned'
}
properties: {
clientAffinityEnabled: false
httpsOnly: true
siteConfig: {
alwaysOn: false
netFrameworkVersion: 'v6.0'
ftpsState: 'Disabled'
}
}
}
keyvault: {
properties: {
tenantId: subscription().tenantId
publicNetworkAccess: 'Enabled'
enableRbacAuthorization: true
sku: {
name: 'standard'
family: 'A'
}
}
}
}
Production: {
serverfarm: {
sku: {
name: 'Y1'
// tier: 'Dynamic'
}
}
storage: {
sku: {
name: 'Standard_GRS'
}
properties: {
supportsHttpsTrafficOnly: true
allowBlobPublicAccess: false
minimumTlsVersion: 'TLS1_2'
}
}
eventHub: {
sku: {
name: 'Basic'
}
properties: {
disableLocalAuth: useGraphEventHubManagedIdentity
}
eventhubs: {
properties: {
messageRetentionInDays: 1
}
}
}
functionApp: {
identity: {
type: 'SystemAssigned'
}
properties: {
clientAffinityEnabled: false
httpsOnly: true
siteConfig: {
alwaysOn: false
netFrameworkVersion: 'v6.0'
ftpsState: 'Disabled'
}
}
}
keyvault: {
properties: {
tenantId: subscription().tenantId
publicNetworkAccess: 'Enabled'
enableRbacAuthorization: true
sku: {
name: 'standard'
family: 'A'
}
}
}
}
RestrictedProduction: {
serverfarm: {
sku: {
name: 'EP1'
// tier: 'Premium'
}
}
storage: {
sku: {
name: 'Standard_GRS'
}
properties: {
supportsHttpsTrafficOnly: true
allowBlobPublicAccess: false
minimumTlsVersion: 'TLS1_2'
networkAcls: {
bypass: 'AzureServices'
defaultAction: 'Deny'
ipRules: []
virtualNetworkRules: [
{
id: virtualNetwork::fnappSubnet.id
action: 'Allow'
}
]
}
}
}
eventHub: {
sku: {
name: 'Standard'
}
properties: {
disableLocalAuth: useGraphEventHubManagedIdentity
// privateEndpointConnections: [{ privateEndpoint: { id: '' } }]
}
}
functionApp: {
identity: {
type: 'SystemAssigned'
}
properties: {
clientAffinityEnabled: false
httpsOnly: true
siteConfig: {
alwaysOn: false
netFrameworkVersion: 'v6.0'
ftpsState: 'Disabled'
}
virtualNetworkSubnetId: virtualNetwork::fnappSubnet.id
}
}
keyvault: {
properties: {
tenantId: subscription().tenantId
// This is set to Enabled because the function app needs to be able to access the key vault, it is restricted by the networkAcls
publicNetworkAccess: 'Enabled'
enableRbacAuthorization: true
sku: {
name: 'standard'
family: 'A'
}
networkAcls: {
bypass: 'AzureServices'
defaultAction: 'Deny'
virtualNetworkRules: [ { id: virtualNetwork::fnappSubnet.id } ]
ipRules: useGraphEventHubManagedIdentity ? [] : map(graphChangeNotificationSubnets[environment().name], s => { value: s })
}
}
}
}
Custom: {
// document the requirements to create your own template
}
}
// Virtual Network
resource virtualNetwork 'Microsoft.Network/virtualNetworks@2022-11-01' = if (startsWith(deploymentType, 'Restricted')) {
name: 'vnet-${resourceGroup().name}'
location: location
properties: { addressSpace: { addressPrefixes: [ '10.0.0.0/16' ] } }
resource fnappSubnet 'subnets' = {
name: 'fnapp-subnet'
properties: {
addressPrefix: '10.0.1.0/24'
serviceEndpoints: [
{
service: 'Microsoft.KeyVault'
locations: [ location ]
}
{
service: 'Microsoft.Storage'
locations: [ location ]
}
{
service: 'Microsoft.Web'
locations: [ location ]
}
{
service: 'Microsoft.EventHub'
locations: [ location ]
}
]
delegations: [
{
name: 'fnapp-serverFarms'
properties: {
serviceName: 'Microsoft.Web/serverFarms'
}
}
]
}
}
}
// Storage Account
resource storageAccount 'Microsoft.Storage/storageAccounts@2022-09-01' = {
name: storageAccountName
location: location
kind: 'Storage'
sku: configurations[deploymentType].storage.sku
properties: configurations[deploymentType].storage.properties
resource queues 'queueServices' = {
name: 'default'
resource download 'queues' = { name: downloadQueueName }
}
}
var graphChangeNotificationSubnets = loadJsonContent('GraphChangeNotificationSubnets.jsonc')
// Event Hub
resource eventHubNamespace 'Microsoft.EventHub/namespaces@2022-10-01-preview' = {
name: length(baseResourceName) >= 6 ? baseResourceName : '${baseResourceName}${substring(uniqueString(baseResourceName),0, 6 - length(baseResourceName))}'
location: location
sku: configurations[deploymentType].eventHub.sku
properties: configurations[deploymentType].eventHub.properties
resource graphEventHub 'eventhubs' = {
name: 'graphevents'
properties: configurations[deploymentType].eventHub.eventhubs.properties
resource senderAuthorizationRule 'authorizationRules' = {
name: 'sender'
properties: { rights: [ 'Send' ] }
}
}
resource networkAcl 'networkRuleSets' = if (startsWith(deploymentType, 'Restricted')) {
name: 'default'
properties: {
publicNetworkAccess: 'SecuredByPerimeter'
trustedServiceAccessEnabled: true
defaultAction: 'Deny'
virtualNetworkRules: [ { subnet: { id: virtualNetwork::fnappSubnet.id } } ]
ipRules: map(graphChangeNotificationSubnets[environment().name], s => { action: 'Allow', ipMask: s })
}
}
}
// Cosmos DB account
resource cosmosAccount 'Microsoft.DocumentDB/databaseAccounts@2023-09-15' existing = {
name: cosmosAccountName
resource database 'sqlDatabases' existing = {
name: callRecordsDatabaseName
resource container 'containers' existing = {
name: callRecordsContainerName
}
}
}
// Function App
resource serverfarm 'Microsoft.Web/serverfarms@2022-09-01' = {
name: baseResourceName
location: location
sku: configurations[deploymentType].serverfarm.sku
}
var eventHubFQDN = split(split(eventHubNamespace.properties.serviceBusEndpoint,'://')[1],':')[0]
var GraphNotificationUrl = useGraphEventHubManagedIdentity /*
*/ ? 'EventHub:https://${eventHubFQDN}/eventhubname/${eventHubNamespace::graphEventHub.name}' /*
*/ : useSeparateKeyVaultForGraph /*
*/ ? 'EventHub:${graphKeyVault::graphEventHubConnectionString.properties.secretUri}' /*
*/ : 'EventHub:${keyvault::graphEventHubConnectionString.properties.secretUri}'
var GraphEndpoints = {
usgovvirginia : 'graph.microsoft.us'
usgovarizona : 'graph.microsoft.us'
usgovtexas : 'graph.microsoft.us'
usdodcentral : 'dod-graph.microsoft.us'
usdodeast : 'dod-graph.microsoft.us'
}
resource functionApp 'Microsoft.Web/sites@2022-09-01' = {
name: '${baseResourceName}-function'
location: location
kind: 'functionapp'
identity: configurations[deploymentType].functionApp.identity
properties: configurations[deploymentType].functionApp.properties
resource appSettings 'config' = {
name: 'appsettings'
properties: toObject(flatten([
[
{ key: 'RenewSubscriptionScheduleCron', value: '0 0 */2 * * *' }
// CallRecords Queue Configuration
{ key: 'CallRecordsQueueConnection__queueServiceUri', value: storageAccount.properties.primaryEndpoints.queue }
{ key: 'CallRecordsQueueConnection__credential', value: 'managedidentity' }
{ key: 'CallRecordsToDownloadQueueName', value: storageAccount::queues::download.name }
// Graph Subscription Manager Configuration
{ key: 'GraphSubscription__NotificationUrl', value: GraphNotificationUrl }
{ key: 'GraphSubscription__Tenants', value: tenantDomain }
{ key: 'CallRecordInsightsDb__EndpointUri', value: cosmosAccount.properties.documentEndpoint }
{ key: 'CallRecordInsightsDb__DatabaseName', value: cosmosAccount::database.properties.resource.id }
{ key: 'CallRecordInsightsDb__ProcessedContainerName', value: cosmosAccount::database::container.properties.resource.id }
{ key: 'GraphNotificationEventHubName', value: eventHubNamespace::graphEventHub.name }
{ key: 'EventHubConnection__fullyQualifiedNamespace', value: eventHubFQDN }
{ key: 'EventHubConnection__credential', value: 'managedidentity' }
{ key: 'AzureWebJobsSecretStorageType', value: 'keyvault' }
{ key: 'AzureWebJobsSecretStorageKeyVaultUri', value: keyvault.properties.vaultUri }
{ key: 'FUNCTIONS_EXTENSION_VERSION', value: '~4' }
{ key: 'FUNCTIONS_WORKER_RUNTIME', value: 'dotnet' }
{ key: 'WEBSITE_CONTENTAZUREFILECONNECTIONSTRING', value: '@Microsoft.KeyVault(VaultName=${keyvault.name};SecretName=${keyvault::storageAccountConnectionString.name})' }
{ key: 'WEBSITE_CONTENTSHARE', value: toLower(functionApp.name) }
{ key: 'SCM_COMMAND_IDLE_TIMEOUT', value: '1800' }
]
contains(GraphEndpoints, location) ? [ // GCCH/DoD Configuration
{ key: 'GraphSubscription__Endpoint', value: GraphEndpoints[location] }
{ key: 'AzureAd__Instance', value: environment().authentication.loginEndpoint }
{ key: 'AzureWebJobsStorage__blobServiceUri', value: storageAccount.properties.primaryEndpoints.blob }
{ key: 'AzureWebJobsStorage__queueServiceUri', value: storageAccount.properties.primaryEndpoints.queue }
{ key: 'AzureWebJobsStorage__tableServiceUri', value: storageAccount.properties.primaryEndpoints.table }
] : [ // Non-GCCH/DoD Configuration
{ key: 'AzureWebJobsStorage__accountName', value: storageAccount.name }
]]), o => o.key, o => o.value)
dependsOn: [
functionAppKeyVaultRoleAssignment // Ensure the function app has access to the key vault before reading referenced secrets
functionAppEventHubsRoleAssignment
functionAppStorageRoleAssignment
]
}
}
// Key Vault
resource keyvault 'Microsoft.KeyVault/vaults@2023-02-01' = {
name: keyvaultName
location: location
properties: configurations[deploymentType].keyvault.properties
resource storageAccountConnectionString 'secrets' = {
name: 'StorageAccountConnectionString'
properties: {
value: 'DefaultEndpointsProtocol=https;AccountName=${storageAccountName};EndpointSuffix=${environment().suffixes.storage};AccountKey=${storageAccount.listkeys().keys[0].value}'
attributes: { enabled: true }
contentType: 'text/plain'
}
}
resource graphEventHubConnectionString 'secrets' = if (!useGraphEventHubManagedIdentity && !useSeparateKeyVaultForGraph) {
name: 'GraphEventHubConnectionString'
properties: {
value: eventHubNamespace::graphEventHub::senderAuthorizationRule.listkeys().primaryConnectionString
attributes: { enabled: true }
contentType: 'text/plain'
}
}
}
// If using a separate key vault for the graph, create it here
resource graphKeyVault 'Microsoft.KeyVault/vaults@2023-02-01' = if (!useGraphEventHubManagedIdentity && useSeparateKeyVaultForGraph) {
name: graphKeyVaultName
location: location
properties: configurations[deploymentType].keyvault.properties
resource graphEventHubConnectionString 'secrets' = {
name: 'GraphEventHubConnectionString'
properties: {
value: eventHubNamespace::graphEventHub::senderAuthorizationRule.listkeys().primaryConnectionString
attributes: { enabled: true }
contentType: 'text/plain'
}
}
}
// Role Assignments
var roleDefinitionId = {
StorageAccount: {
// This is the built-in Storage Account Contributor role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#storage-account-contributor
Contributor: '17d1049b-9a84-46fb-8f53-869881c3d3ab'
Queue: {
Data: {
// This is the built-in Storage Queue Data Contributor role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#storage-queue-data-contributor
Contributor: '974c5e8b-45b9-4653-ba55-5f855dd0fb88'
}
}
Blob: {
Data: {
// This is the built-in Storage Blob Data Owner role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#storage-blob-data-owner
Owner: 'b7e6dc6d-f1e8-4753-8033-0f276bb0955b'
}
}
}
EventHubs: {
Data: {
// This is the built-in Azure Event Hubs Data Sender role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#event-hubs-data-sender
Sender: '2b629674-e913-4c01-ae53-ef4638d8f975'
// This is the built-in Azure Event Hubs Data Receiver role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#event-hubs-data-receiver
Receiver: 'a638d3c7-ab3a-418d-83e6-5f17a39d4fde'
}
}
KeyVault: {
Secrets: {
// This is the built-in Key Vault Secrets Officer role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#key-vault-secrets-officer
Officer: 'b86a8fe4-44ce-4948-aee5-eccb2c155cd7'
// This is the built-in Key Vault Secrets User role. See https://docs.microsoft.com/azure/role-based-access-control/built-in-roles#key-vault-secrets-user
User: '4633458b-17de-408a-b874-0445c86b69e6'
}
}
CosmosDB: {
Data: {
Contributor: '00000000-0000-0000-0000-000000000002'
}
}
}
var neededRoles = {
functionApp: {
StorageAccount: [
roleDefinitionId.StorageAccount.Contributor
roleDefinitionId.StorageAccount.Queue.Data.Contributor
roleDefinitionId.StorageAccount.Blob.Data.Owner
]
EventHubs: [
roleDefinitionId.EventHubs.Data.Receiver
]
KeyVault: [
roleDefinitionId.KeyVault.Secrets.Officer
]
CosmosDB: [
roleDefinitionId.CosmosDB.Data.Contributor
]
}
graphChangeTrackingApp: {
EventHubs: (useGraphEventHubManagedIdentity) ? [ roleDefinitionId.EventHubs.Data.Sender ] : []
KeyVault: (!useGraphEventHubManagedIdentity) ? [ roleDefinitionId.KeyVault.Secrets.User ] : []
}
}
resource functionAppStorageRoleAssignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = [for role in neededRoles.functionApp.StorageAccount: {
scope: storageAccount
name: guid(functionApp.id, role, resourceGroup().id)
properties: {
roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', role)
principalId: functionApp.identity.principalId
principalType: 'ServicePrincipal'
}
}]
resource functionAppEventHubsRoleAssignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = [for role in neededRoles.functionApp.EventHubs: {
scope: eventHubNamespace::graphEventHub
name: guid(functionApp.id, role, resourceGroup().id)
properties: {
roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', role)
principalId: functionApp.identity.principalId
principalType: 'ServicePrincipal'
}
}]
resource functionAppKeyVaultRoleAssignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = [for role in neededRoles.functionApp.KeyVault: {
scope: keyvault
name: guid(functionApp.id, role, resourceGroup().id)
properties: {
roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', role)
principalId: functionApp.identity.principalId
principalType: 'ServicePrincipal'
}
}]
resource functionAppCosmosDBRoleAssignment 'Microsoft.DocumentDB/databaseAccounts/sqlRoleAssignments@2023-09-15' = [for role in neededRoles.functionApp.CosmosDB: {
name: guid(functionApp.id, role, resourceGroup().id)
parent: cosmosAccount
properties: {
roleDefinitionId: resourceId('Microsoft.DocumentDB/databaseAccounts/sqlRoleDefinitions', cosmosAccountName, role)
principalId: functionApp.identity.principalId
scope: replace(cosmosAccount::database.id, '/sqlDatabases/', '/dbs/')
}
}]
resource graphChangeTrackingAppRoleAssignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = [for role in neededRoles.graphChangeTrackingApp.EventHubs: {
scope: eventHubNamespace::graphEventHub
name: guid(graphChangeTrackingAppObjectId, role, resourceGroup().id)
properties: {
roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', role)
principalId: graphChangeTrackingAppObjectId
principalType: 'ServicePrincipal'
}
}]
resource graphChangeTrackingAppKeyVaultRoleAssignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = [for role in neededRoles.graphChangeTrackingApp.KeyVault: {
scope: useSeparateKeyVaultForGraph ? graphKeyVault::graphEventHubConnectionString : keyvault::graphEventHubConnectionString
name: guid(graphChangeTrackingAppObjectId, role, resourceGroup().id)
properties: {
roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', role)
principalId: graphChangeTrackingAppObjectId
principalType: 'ServicePrincipal'
}
}]
// Outputs
output keyVaultName string = keyvaultName
output appDomain string = functionApp.properties.defaultHostName
output functionName string = functionApp.name
output functionAppIdentity object = functionApp.identity
output functionAppSubnetId string = deploymentType == 'RestrictedProduction' ? functionApp.properties.virtualNetworkSubnetId : ''