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# Azure Batch with start task | ||
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Deploy an Azure Batch account and two batch pools, one of which has a "start task". | ||
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## Terraform resource types | ||
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- [random_pet](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/pet) | ||
- [azurerm_resource_group](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/resource_group) | ||
- [random_string](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/string) | ||
- [azurerm_storage_account](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/storage_account) | ||
- [azurerm_batch_account](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/batch_account) | ||
- [azurerm_batch_pool](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/batch_pool) | ||
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## Variables | ||
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| Name | Description | Default | | ||
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| `resource_group_name_prefix` | Prefix of the resource group name that's combined with a random ID so name is unique in your Azure subscription. | rg | | ||
| `resource_group_location` | Location of the resource group. | eastus | | ||
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## Example |
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resource "random_pet" "rg_name" { | ||
prefix = var.resource_group_name_prefix | ||
} | ||
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resource "azurerm_resource_group" "rg" { | ||
location = var.resource_group_location | ||
name = random_pet.rg_name.id | ||
} | ||
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resource "random_string" "storage_account_name" { | ||
length = 8 | ||
lower = true | ||
numeric = false | ||
special = false | ||
upper = false | ||
} | ||
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resource "azurerm_storage_account" "example" { | ||
name = random_string.storage_account_name.result | ||
resource_group_name = azurerm_resource_group.rg.name | ||
location = azurerm_resource_group.rg.location | ||
account_tier = "Standard" | ||
account_replication_type = "LRS" | ||
} | ||
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resource "random_string" "batch_account_name" { | ||
length = 8 | ||
lower = true | ||
numeric = false | ||
special = false | ||
upper = false | ||
} | ||
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resource "azurerm_batch_account" "example" { | ||
name = random_string.batch_account_name.result | ||
resource_group_name = azurerm_resource_group.rg.name | ||
location = azurerm_resource_group.rg.location | ||
storage_account_id = azurerm_storage_account.example.id | ||
storage_account_authentication_mode = "StorageKeys" | ||
} | ||
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resource "random_pet" "azurerm_batch_pool_name" { | ||
prefix = "pool" | ||
} | ||
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resource "azurerm_batch_pool" "fixed" { | ||
name = "${random_pet.azurerm_batch_pool_name.id}-fixed-pool" | ||
resource_group_name = azurerm_resource_group.rg.name | ||
account_name = azurerm_batch_account.example.name | ||
display_name = "Fixed Scale Pool" | ||
vm_size = "Standard_D4_v3" | ||
node_agent_sku_id = "batch.node.ubuntu 22.04" | ||
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fixed_scale { | ||
target_dedicated_nodes = 2 | ||
resize_timeout = "PT15M" | ||
} | ||
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storage_image_reference { | ||
publisher = "Canonical" | ||
offer = "0001-com-ubuntu-server-jammy" | ||
sku = "22_04-lts" | ||
version = "latest" | ||
} | ||
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start_task { | ||
command_line = "echo 'Hello World from $env'" | ||
task_retry_maximum = 1 | ||
wait_for_success = true | ||
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common_environment_properties = { | ||
env = "TEST" | ||
} | ||
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user_identity { | ||
auto_user { | ||
elevation_level = "NonAdmin" | ||
scope = "Task" | ||
} | ||
} | ||
} | ||
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metadata = { | ||
"tagName" = "Example tag" | ||
} | ||
} | ||
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resource "azurerm_batch_pool" "autopool" { | ||
name = "${random_pet.azurerm_batch_pool_name.id}-autoscale-pool" | ||
resource_group_name = azurerm_resource_group.rg.name | ||
account_name = azurerm_batch_account.example.name | ||
display_name = "Auto Scale Pool" | ||
vm_size = "Standard_D4_v3" | ||
node_agent_sku_id = "batch.node.ubuntu 22.04" | ||
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auto_scale { | ||
evaluation_interval = "PT15M" | ||
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formula = <<EOF | ||
startingNumberOfVMs = 1; | ||
maxNumberofVMs = 25; | ||
pendingTaskSamplePercent = $PendingTasks.GetSamplePercent(180 * TimeInterval_Second); | ||
pendingTaskSamples = pendingTaskSamplePercent < 70 ? startingNumberOfVMs : avg($PendingTasks.GetSample(180 * TimeInterval_Second)); | ||
$TargetDedicatedNodes=min(maxNumberofVMs, pendingTaskSamples); | ||
EOF | ||
} | ||
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storage_image_reference { | ||
publisher = "Canonical" | ||
offer = "0001-com-ubuntu-server-jammy" | ||
sku = "22_04-lts" | ||
version = "latest" | ||
} | ||
} |
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output "resource_group_name" { | ||
value = azurerm_resource_group.rg.name | ||
} | ||
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output "storage_account_name" { | ||
value = azurerm_storage_account.example.name | ||
} | ||
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output "batch_account_name" { | ||
value = azurerm_batch_account.example.name | ||
} | ||
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output "batch_pool_fixed_name" { | ||
value = azurerm_batch_pool.fixed.name | ||
} | ||
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output "batch_pool_autopool_name" { | ||
value = azurerm_batch_pool.autopool.name | ||
} |
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terraform { | ||
required_version = ">=1.0" | ||
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required_providers { | ||
azurerm = { | ||
source = "hashicorp/azurerm" | ||
version = "~>3.0" | ||
} | ||
random = { | ||
source = "hashicorp/random" | ||
version = "~>3.0" | ||
} | ||
} | ||
} | ||
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provider "azurerm" { | ||
features {} | ||
} |
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variable "resource_group_location" { | ||
type = string | ||
default = "eastus" | ||
description = "Location of the resource group." | ||
} | ||
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variable "resource_group_name_prefix" { | ||
type = string | ||
default = "rg" | ||
description = "Prefix of the resource group name that's combined with a random ID so name is unique in your Azure subscription." | ||
} |