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Add support for acr attachment #298

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merged 3 commits into from
Feb 10, 2023
Merged

Add support for acr attachment #298

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14b71e3
add support for acr attachment
lonegunmanb Feb 9, 2023
c52e74c
fix checkov check failure
lonegunmanb Feb 9, 2023
b1571fd
fix fmt issue
lonegunmanb Feb 10, 2023
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7 changes: 7 additions & 0 deletions .checkov_config.yaml
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Expand Up @@ -11,9 +11,16 @@ quiet: true
secrets-scan-file-type: []
skip-check:
- CKV_GHA_3
- CKV_AZURE_5
- CKV_AZURE_112
- CKV_AZURE_115
- CKV_AZURE_116
- CKV_AZURE_168
- CKV_AZURE_170
- CKV_AZURE_139
- CKV_AZURE_165
- CKV_AZURE_166
- CKV_AZURE_164
skip-framework:
- dockerfile
summary-position: top
2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -263,6 +263,7 @@ No modules.
| [azurerm_kubernetes_cluster.main](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/kubernetes_cluster) | resource |
| [azurerm_log_analytics_solution.main](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/log_analytics_solution) | resource |
| [azurerm_log_analytics_workspace.main](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/log_analytics_workspace) | resource |
| [azurerm_role_assignment.acr](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/role_assignment) | resource |
| [tls_private_key.ssh](https://registry.terraform.io/providers/hashicorp/tls/latest/docs/resources/private_key) | resource |
| [azurerm_resource_group.main](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/resource_group) | data source |

Expand All @@ -284,6 +285,7 @@ No modules.
| <a name="input_agents_tags"></a> [agents\_tags](#input\_agents\_tags) | (Optional) A mapping of tags to assign to the Node Pool. | `map(string)` | `{}` | no |
| <a name="input_agents_type"></a> [agents\_type](#input\_agents\_type) | (Optional) The type of Node Pool which should be created. Possible values are AvailabilitySet and VirtualMachineScaleSets. Defaults to VirtualMachineScaleSets. | `string` | `"VirtualMachineScaleSets"` | no |
| <a name="input_api_server_authorized_ip_ranges"></a> [api\_server\_authorized\_ip\_ranges](#input\_api\_server\_authorized\_ip\_ranges) | (Optional) The IP ranges to allow for incoming traffic to the server nodes. | `set(string)` | `null` | no |
| <a name="input_attached_acr_id_map"></a> [attached\_acr\_id\_map](#input\_attached\_acr\_id\_map) | Azure Container Registry ids that need an authentication mechanism with Azure Kubernetes Service (AKS). Map key must be static string as acr's name, the value is acr's resource id. Changing this forces some new resources to be created. | `map(string)` | `{}` | no |
| <a name="input_auto_scaler_profile_balance_similar_node_groups"></a> [auto\_scaler\_profile\_balance\_similar\_node\_groups](#input\_auto\_scaler\_profile\_balance\_similar\_node\_groups) | Detect similar node groups and balance the number of nodes between them. Defaults to `false`. | `bool` | `false` | no |
| <a name="input_auto_scaler_profile_empty_bulk_delete_max"></a> [auto\_scaler\_profile\_empty\_bulk\_delete\_max](#input\_auto\_scaler\_profile\_empty\_bulk\_delete\_max) | Maximum number of empty nodes that can be deleted at the same time. Defaults to `10`. | `number` | `10` | no |
| <a name="input_auto_scaler_profile_enabled"></a> [auto\_scaler\_profile\_enabled](#input\_auto\_scaler\_profile\_enabled) | Enable configuring the auto scaler profile | `bool` | `false` | no |
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69 changes: 69 additions & 0 deletions examples/with_acr/main.tf
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@@ -0,0 +1,69 @@
resource "random_id" "prefix" {
byte_length = 8
}

resource "azurerm_resource_group" "main" {
count = var.create_resource_group ? 1 : 0

location = var.location
name = coalesce(var.resource_group_name, "${random_id.prefix.hex}-rg")
}

locals {
resource_group = {
name = var.create_resource_group ? azurerm_resource_group.main[0].name : var.resource_group_name
location = var.location
}
}

resource "azurerm_virtual_network" "test" {
address_space = ["10.52.0.0/16"]
location = local.resource_group.location
name = "${random_id.prefix.hex}-vn"
resource_group_name = local.resource_group.name
}

resource "azurerm_subnet" "test" {
address_prefixes = ["10.52.0.0/24"]
name = "${random_id.prefix.hex}-sn"
resource_group_name = local.resource_group.name
virtual_network_name = azurerm_virtual_network.test.name
enforce_private_link_endpoint_network_policies = true
}

resource "random_string" "acr_suffix" {
length = 8
upper = false
numeric = true
special = false
}

resource "azurerm_container_registry" "example" {
location = local.resource_group.location
name = "aksacrtest${random_string.acr_suffix.result}"
resource_group_name = local.resource_group.name
sku = "Premium"

retention_policy {
days = 7
enabled = true
}
}

module "aks" {
source = "../.."

prefix = "prefix-${random_id.prefix.hex}"
resource_group_name = local.resource_group.name
kubernetes_version = "1.24" # don't specify the patch version!
automatic_channel_upgrade = "patch"
attached_acr_id_map = {
example = azurerm_container_registry.example.id
}
network_plugin = "azure"
network_policy = "azure"
os_disk_size_gb = 60
sku_tier = "Paid"
rbac_aad = false
vnet_subnet_id = azurerm_subnet.test.id
}
Empty file added examples/with_acr/outputs.tf
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23 changes: 23 additions & 0 deletions examples/with_acr/providers.tf
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@@ -0,0 +1,23 @@
terraform {
required_version = ">=1.2"
required_providers {
azurerm = {
source = "hashicorp/azurerm"
version = ">= 3.40, < 4.0"
}
random = {
source = "hashicorp/random"
version = "3.3.2"
}
}
}

provider "azurerm" {
features {
resource_group {
prevent_deletion_if_contains_resources = false
}
}
}

provider "random" {}
14 changes: 14 additions & 0 deletions examples/with_acr/variables.tf
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@@ -0,0 +1,14 @@
variable "create_resource_group" {
type = bool
default = true
nullable = false
}

variable "location" {
default = "eastus"
}

variable "resource_group_name" {
type = string
default = null
}
9 changes: 9 additions & 0 deletions main.tf
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Expand Up @@ -336,3 +336,12 @@ resource "azurerm_log_analytics_solution" "main" {
publisher = "Microsoft"
}
}

resource "azurerm_role_assignment" "acr" {
for_each = var.attached_acr_id_map

principal_id = azurerm_kubernetes_cluster.main.kubelet_identity[0].object_id
scope = each.value
role_definition_name = "AcrPull"
skip_service_principal_aad_check = true
}
6 changes: 6 additions & 0 deletions test/e2e/terraform_aks_test.go
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Expand Up @@ -88,3 +88,9 @@ func TestExamplesNamedCluster(t *testing.T) {
assert.Regexp(t, regexp.MustCompile("/subscriptions/.+/resourceGroups/.+/providers/Microsoft.ManagedIdentity/userAssignedIdentities/.+"), identityIdsArray[0])
})
}

func TestExamplesWithACR(t *testing.T) {
test_helper.RunE2ETest(t, "../../", "examples/with_acr", terraform.Options{
Upgrade: true,
}, nil)
}
14 changes: 14 additions & 0 deletions test/upgrade/upgrade_test.go
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Expand Up @@ -74,3 +74,17 @@ func TestExampleUpgrade_named_cluster(t *testing.T) {
Vars: vars,
}, currentMajorVersion)
}

func TestExampleUpgrade_withACR(t *testing.T) {
currentRoot, err := test_helper.GetCurrentModuleRootPath()
if err != nil {
t.FailNow()
}
currentMajorVersion, err := test_helper.GetCurrentMajorVersionFromEnv()
if err != nil {
t.FailNow()
}
test_helper.ModuleUpgradeTest(t, "Azure", "terraform-azurerm-aks", "examples/with_acr", currentRoot, terraform.Options{
Upgrade: true,
}, currentMajorVersion)
}
7 changes: 7 additions & 0 deletions variables.tf
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Expand Up @@ -93,6 +93,13 @@ variable "api_server_authorized_ip_ranges" {
default = null
}

variable "attached_acr_id_map" {
type = map(string)
description = "Azure Container Registry ids that need an authentication mechanism with Azure Kubernetes Service (AKS). Map key must be static string as acr's name, the value is acr's resource id. Changing this forces some new resources to be created."
default = {}
nullable = false
}

variable "auto_scaler_profile_balance_similar_node_groups" {
description = "Detect similar node groups and balance the number of nodes between them. Defaults to `false`."
type = bool
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