azurerm_cosmos_db_account - add support for enable_free_tier

azurerm/internal/services/cosmos/cosmos_db_account_data_source.go

@@ -51,6 +51,11 @@ func dataSourceArmCosmosDbAccount() *schema.Resource {
 				Computed: true,
 			},
 
+			"enable_free_tier": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
 			"enable_automatic_failover": {
 				Type:     schema.TypeBool,
 				Computed: true,
@@ -217,6 +222,7 @@ func dataSourceArmCosmosDbAccountRead(d *schema.ResourceData, meta interface{})
 		d.Set("ip_range_filter", common.CosmosDBIpRulesToIpRangeFilter(props.IPRules))
 		d.Set("endpoint", props.DocumentEndpoint)
 		d.Set("is_virtual_network_filter_enabled", resp.IsVirtualNetworkFilterEnabled)
+		d.Set("enable_free_tier", resp.EnableFreeTier)
 		d.Set("enable_automatic_failover", resp.EnableAutomaticFailover)
 
 		if err = d.Set("consistency_policy", flattenAzureRmCosmosDBAccountConsistencyPolicy(resp.ConsistencyPolicy)); err != nil {

azurerm/internal/services/cosmos/cosmosdb_account_resource.go

@@ -103,6 +103,13 @@ func resourceArmCosmosDbAccount() *schema.Resource {
 				),
 			},
 
+			"enable_free_tier": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Default:  false,
+				ForceNew: true,
+			},
+
 			"enable_automatic_failover": {
 				Type:     schema.TypeBool,
 				Optional: true,
@@ -325,6 +332,7 @@ func resourceArmCosmosDbAccountCreate(d *schema.ResourceData, meta interface{})
 	offerType := d.Get("offer_type").(string)
 	ipRangeFilter := d.Get("ip_range_filter").(string)
 	isVirtualNetworkFilterEnabled := d.Get("is_virtual_network_filter_enabled").(bool)
+	enableFreeTier := d.Get("enable_free_tier").(bool)
 	enableAutomaticFailover := d.Get("enable_automatic_failover").(bool)
 	enableMultipleWriteLocations := d.Get("enable_multiple_write_locations").(bool)
 
@@ -351,6 +359,7 @@ func resourceArmCosmosDbAccountCreate(d *schema.ResourceData, meta interface{})
 			DatabaseAccountOfferType:      utils.String(offerType),
 			IPRules:                       common.CosmosDBIpRangeFilterToIpRules(ipRangeFilter),
 			IsVirtualNetworkFilterEnabled: utils.Bool(isVirtualNetworkFilterEnabled),
+			EnableFreeTier:                utils.Bool(enableFreeTier),
 			EnableAutomaticFailover:       utils.Bool(enableAutomaticFailover),
 			ConsistencyPolicy:             expandAzureRmCosmosDBAccountConsistencyPolicy(d),
 			Locations:                     &geoLocations,
@@ -403,6 +412,7 @@ func resourceArmCosmosDbAccountUpdate(d *schema.ResourceData, meta interface{})
 	offerType := d.Get("offer_type").(string)
 	ipRangeFilter := d.Get("ip_range_filter").(string)
 	isVirtualNetworkFilterEnabled := d.Get("is_virtual_network_filter_enabled").(bool)
+	enableFreeTier := d.Get("enable_free_tier").(bool)
 	enableAutomaticFailover := d.Get("enable_automatic_failover").(bool)
 	enableMultipleWriteLocations := d.Get("enable_multiple_write_locations").(bool)
 
@@ -439,6 +449,7 @@ func resourceArmCosmosDbAccountUpdate(d *schema.ResourceData, meta interface{})
 			DatabaseAccountOfferType:      utils.String(offerType),
 			IPRules:                       common.CosmosDBIpRangeFilterToIpRules(ipRangeFilter),
 			IsVirtualNetworkFilterEnabled: utils.Bool(isVirtualNetworkFilterEnabled),
+			EnableFreeTier:                utils.Bool(enableFreeTier),
 			EnableAutomaticFailover:       utils.Bool(enableAutomaticFailover),
 			Capabilities:                  expandAzureRmCosmosDBAccountCapabilities(d),
 			ConsistencyPolicy:             expandAzureRmCosmosDBAccountConsistencyPolicy(d),
@@ -538,6 +549,8 @@ func resourceArmCosmosDbAccountRead(d *schema.ResourceData, meta interface{}) er
 	d.Set("ip_range_filter", common.CosmosDBIpRulesToIpRangeFilter(resp.IPRules))
 	d.Set("endpoint", resp.DocumentEndpoint)
 
+	d.Set("enable_free_tier", resp.EnableFreeTier)
+
 	if v := resp.IsVirtualNetworkFilterEnabled; v != nil {
 		d.Set("is_virtual_network_filter_enabled", resp.IsVirtualNetworkFilterEnabled)
 	}

azurerm/internal/services/cosmos/tests/cosmosdb_account_resource_test.go

@@ -380,6 +380,26 @@ func TestAccAzureRMCosmosDBAccount_geoLocationsUpdate(t *testing.T) {
 	})
 }
 
+func TestAccAzureRMCosmosDBAccount_freeTier(t *testing.T) {
+	data := acceptance.BuildTestData(t, "azurerm_cosmosdb_account", "test")
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { acceptance.PreCheck(t) },
+		Providers:    acceptance.SupportedProviders,
+		CheckDestroy: testCheckAzureRMCosmosDBAccountDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAzureRMCosmosDBAccount_freeTier(data, "GlobalDocumentDB", documentdb.Eventual),
+				Check: resource.ComposeAggregateTestCheckFunc(
+					checkAccAzureRMCosmosDBAccount_basic(data, documentdb.Eventual, 1),
+					resource.TestCheckResourceAttr(data.ResourceName, "enable_free_tier", "true"),
+				),
+			},
+			data.ImportStep(),
+		},
+	})
+}
+
 func TestAccAzureRMCosmosDBAccount_vNetFilters(t *testing.T) {
 	data := acceptance.BuildTestData(t, "azurerm_cosmosdb_account", "test")
 
@@ -817,6 +837,38 @@ resource "azurerm_cosmosdb_account" "test" {
 `, testAccAzureRMCosmosDBAccount_vNetFiltersPreReqs(data), data.RandomInteger)
 }
 
+func testAccAzureRMCosmosDBAccount_freeTier(data acceptance.TestData, kind documentdb.DatabaseAccountKind, consistency documentdb.DefaultConsistencyLevel) string {
+	return fmt.Sprintf(`
+provider "azurerm" {
+  features {}
+}
+
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-cosmos-%d"
+  location = "%s"
+}
+
+resource "azurerm_cosmosdb_account" "test" {
+  name                = "acctest-ca-%d"
+  location            = azurerm_resource_group.test.location
+  resource_group_name = azurerm_resource_group.test.name
+  offer_type          = "Standard"
+  kind                = "%s"
+
+  enable_free_tier = true
+
+  consistency_policy {
+    consistency_level = "%s"
+  }
+
+  geo_location {
+    location          = azurerm_resource_group.test.location
+    failover_priority = 0
+  }
+}
+`, data.RandomInteger, data.Locations.Primary, data.RandomInteger, string(kind), string(consistency))
+}
+
 func checkAccAzureRMCosmosDBAccount_basic(data acceptance.TestData, consistency documentdb.DefaultConsistencyLevel, locationCount int) resource.TestCheckFunc {
 	return resource.ComposeTestCheckFunc(
 		testCheckAzureRMCosmosDBAccountExists(data.ResourceName),

website/docs/d/cosmosdb_account.html.markdown

@@ -47,6 +47,8 @@ The following attributes are exported:
 
 * `ip_range_filter` - The current IP Filter for this CosmosDB account
 
+* `enable_free_tier` - If Free Tier pricing option is enabled for this CosmosDB Account.
+
 * `enable_automatic_failover` - If automatic failover is enabled for this CosmosDB Account.
 
 * `capabilities` - Capabilities enabled on this Cosmos DB account.

website/docs/r/cosmosdb_account.html.markdown

@@ -73,6 +73,8 @@ The following arguments are supported:
 
 * `ip_range_filter` - (Optional) CosmosDB Firewall Support: This value specifies the set of IP addresses or IP address ranges in CIDR form to be included as the allowed list of client IP's for a given database account. IP addresses/ranges must be comma separated and must not contain any spaces.
 
+* `enable_free_tier` - (Optional) Enable Free Tier pricing option for this Cosmos DB account. Defaults to `false`. Changing this forces a new resource to be created.
+
 * `enable_automatic_failover` - (Optional) Enable automatic fail over for this Cosmos DB account.
 
 * `capabilities` - (Optional) The capabilities which should be enabled for this Cosmos DB account. Possible values are `EnableAggregationPipeline`, `EnableCassandra`, `EnableGremlin`, `EnableTable`, `MongoDBv3.4`, and `mongoEnableDocLevelTTL`.