feat(GaussDB): add gaussdb_cassandra_flavors data source (FlexibleEng…

…ineCloud#1040)

docs/data-sources/gaussdb_cassandra_flavors.md

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+---
+subcategory: "GaussDB NoSQL"
+---
+
+# flexibleengine_gaussdb_cassandra_flavors
+
+Use this data source to get available FlexibleEngine gaussdb cassandra flavors.
+
+## Example Usage
+
+```hcl
+data "flexibleengine_gaussdb_cassandra_flavors" "flavors" {
+}
+```
+
+## Argument Reference
+
+* `region` - (Optional, String) The region in which to obtain the flavors. If omitted, the provider-level region will be
+  used.
+
+* `vcpus` - (Optional, String) Specifies the count of vcpus of the flavors.
+
+* `memory` - (Optional, String) Specifies the memory size of the flavors.
+
+* `version` - (Optional, String) Specifies the engine version of the flavors.
+
+## Attribute Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `id` - Specifies the data source ID.
+
+* `flavors` - Indicates the flavors information. The [flavors](#gaussdb_flavors) object structure is documented below.
+
+<a name="gaussdb_flavors"></a>
+The `flavors` block supports:
+
+* `name` - Indicates the spec code of the flavor.
+
+* `vcpus` - Indicates the CPU size.
+
+* `memory` - Indicates the memory size in GB.
+
+* `version` - Indicates the database version.
+
+* `az_status` - Indicates the flavor status in each availability zone.

flexibleengine/acceptance/data_source_flexibleengine_gaussdb_cassandra_flavors_test.go

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+package acceptance
+
+import (
+	"testing"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/utils/fmtp"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
+)
+
+func TestAccCassandraFlavorsDataSource_basic(t *testing.T) {
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { testAccPreCheck(t) },
+		ProviderFactories: TestAccProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccCassandraFlavorsDataSource_basic,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckCassandraFlavorsDataSourceID("data.flexibleengine_gaussdb_cassandra_flavors.test"),
+				),
+			},
+		},
+	})
+}
+
+func testAccCheckCassandraFlavorsDataSourceID(n string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		rs, ok := s.RootModule().Resources[n]
+		if !ok {
+			return fmtp.Errorf("Can't find GaussDB cassandra flavors data source: %s ", n)
+		}
+
+		if rs.Primary.ID == "" {
+			return fmtp.Errorf("GaussDB cassandra flavors data source ID not set ")
+		}
+
+		return nil
+	}
+}
+
+const testAccCassandraFlavorsDataSource_basic = `
+data "flexibleengine_gaussdb_cassandra_flavors" "test" {
+}
+`