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main.tf
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main.tf
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# Configure the Azure provider
terraform {
required_providers {
azurerm = {
source = "hashicorp/azurerm"
version = "~> 3.89.0"
}
}
required_version = ">= 1.1.0"
}
provider "azurerm" {
features {}
}
### Create resource group
resource "azurerm_resource_group" "student-application-demo" {
name = "student-application-demo"
location = "ukwest"
}
### Create service plan
resource "azurerm_service_plan" "student-application-demo" {
name = "student-application-demo-service-plan"
location = azurerm_resource_group.student-application-demo.location
resource_group_name = azurerm_resource_group.student-application-demo.name
os_type = "Linux"
sku_name = "Y1"
}
### Create storage needed for functions
resource "azurerm_storage_account" "student-application-demo" {
name = "studentapplicationdemo"
resource_group_name = azurerm_resource_group.student-application-demo.name
location = azurerm_resource_group.student-application-demo.location
account_tier = "Standard"
account_replication_type = "LRS"
}
### Create azure event hub
resource "azurerm_eventhub_namespace" "student-application-demo" {
name = "student-application-demo"
location = azurerm_resource_group.student-application-demo.location
resource_group_name = azurerm_resource_group.student-application-demo.name
sku = "Standard"
capacity = 1
}
resource "azurerm_eventhub" "events" {
name = "events"
namespace_name = azurerm_eventhub_namespace.student-application-demo.name
resource_group_name = azurerm_resource_group.student-application-demo.name
partition_count = 2
message_retention = 1
}
resource "azurerm_eventhub_consumer_group" "student-application-demo" {
name = "student-application-demo"
namespace_name = azurerm_eventhub_namespace.student-application-demo.name
resource_group_name = azurerm_resource_group.student-application-demo.name
eventhub_name = azurerm_eventhub.events.name
}
### Create azure functions
resource "azurerm_linux_function_app" "application-function" {
name = "application-function"
location = azurerm_resource_group.student-application-demo.location
resource_group_name = azurerm_resource_group.student-application-demo.name
service_plan_id = azurerm_service_plan.student-application-demo.id
storage_account_name = azurerm_storage_account.student-application-demo.name
storage_account_access_key = azurerm_storage_account.student-application-demo.primary_access_key
functions_extension_version = "~4"
site_config {
application_stack {
java_version = "17"
}
}
app_settings = {
EVENT_HUBS_CONNECTION_STRING = azurerm_eventhub_namespace.student-application-demo.default_primary_connection_string
}
}
resource "azurerm_linux_function_app" "student-function" {
name = "student-function"
location = azurerm_resource_group.student-application-demo.location
resource_group_name = azurerm_resource_group.student-application-demo.name
service_plan_id = azurerm_service_plan.student-application-demo.id
storage_account_name = azurerm_storage_account.student-application-demo.name
storage_account_access_key = azurerm_storage_account.student-application-demo.primary_access_key
functions_extension_version = "~4"
site_config {
application_stack {
java_version = "17"
}
}
app_settings = {
EVENT_HUBS_CONNECTION_STRING = azurerm_eventhub_namespace.student-application-demo.default_primary_connection_string
}
}
### Create azure streaming
resource "azurerm_stream_analytics_job" "events-to-table-storage" {
name = "events-to-table-storage"
resource_group_name = azurerm_resource_group.student-application-demo.name
location = azurerm_resource_group.student-application-demo.location
compatibility_level = "1.2"
data_locale = "en-GB"
events_late_arrival_max_delay_in_seconds = 60
events_out_of_order_max_delay_in_seconds = 50
events_out_of_order_policy = "Adjust"
output_error_policy = "Drop"
streaming_units = 3
transformation_query = <<QUERY
SELECT *
INTO [storage-table-output]
FROM [eventhub-events-input]
QUERY
}
resource "azurerm_storage_table" "events" {
name = "events"
storage_account_name = azurerm_storage_account.student-application-demo.name
}
resource "azurerm_stream_analytics_stream_input_eventhub" "events-input" {
name = "eventhub-events-input"
stream_analytics_job_name = azurerm_stream_analytics_job.events-to-table-storage.name
resource_group_name = azurerm_stream_analytics_job.events-to-table-storage.resource_group_name
eventhub_consumer_group_name = azurerm_eventhub_consumer_group.student-application-demo.name
eventhub_name = azurerm_eventhub.events.name
servicebus_namespace = azurerm_eventhub_namespace.student-application-demo.name
shared_access_policy_key = azurerm_eventhub_namespace.student-application-demo.default_primary_key
shared_access_policy_name = "RootManageSharedAccessKey"
serialization {
type = "Json"
encoding = "UTF8"
}
}
resource "azurerm_stream_analytics_output_table" "events-storage-table-output" {
name = "storage-table-output"
stream_analytics_job_name = azurerm_stream_analytics_job.events-to-table-storage.name
resource_group_name = azurerm_stream_analytics_job.events-to-table-storage.resource_group_name
storage_account_name = azurerm_storage_account.student-application-demo.name
storage_account_key = azurerm_storage_account.student-application-demo.primary_access_key
table = azurerm_storage_table.events.name
partition_key = "id"
row_key = "id"
batch_size = 100
}
resource "azurerm_stream_analytics_job" "register-student-upon-application-approval" {
name = "register-student-upon-application-approval"
resource_group_name = azurerm_resource_group.student-application-demo.name
location = azurerm_resource_group.student-application-demo.location
compatibility_level = "1.2"
data_locale = "en-GB"
events_late_arrival_max_delay_in_seconds = 60
events_out_of_order_max_delay_in_seconds = 50
events_out_of_order_policy = "Adjust"
output_error_policy = "Drop"
streaming_units = 3
transformation_query = <<QUERY
SELECT
payload.firstname AS firstname,
payload.surname AS surname,
payload.courseId AS courseId
INTO [function-register-student-output]
FROM [eventhub-events-approval-input]
WHERE type = 'ApplicationApproved'
QUERY
}
resource "azurerm_stream_analytics_stream_input_eventhub" "events-approval-input" {
name = "eventhub-events-approval-input"
stream_analytics_job_name = azurerm_stream_analytics_job.register-student-upon-application-approval.name
resource_group_name = azurerm_stream_analytics_job.register-student-upon-application-approval.resource_group_name
eventhub_consumer_group_name = azurerm_eventhub_consumer_group.student-application-demo.name
eventhub_name = azurerm_eventhub.events.name
servicebus_namespace = azurerm_eventhub_namespace.student-application-demo.name
shared_access_policy_key = azurerm_eventhub_namespace.student-application-demo.default_primary_key
shared_access_policy_name = "RootManageSharedAccessKey"
serialization {
type = "Json"
encoding = "UTF8"
}
}
resource "azurerm_stream_analytics_output_function" "function-register-student-output" {
name = "function-register-student-output"
resource_group_name = azurerm_resource_group.student-application-demo.name
stream_analytics_job_name = azurerm_stream_analytics_job.register-student-upon-application-approval.name
function_app = azurerm_linux_function_app.student-function.name
function_name = "register-student-bulk"
api_key = azurerm_linux_function_app.student-function.storage_account_access_key
}