feat(cts): add data source to get the list of CTS quotas

docs/data-sources/cts_quotas.md

@@ -0,0 +1,43 @@
+---
+subcategory: "Cloud Trace Service (CTS)"
+layout: "huaweicloud"
+page_title: "HuaweiCloud: huaweicloud_cts_quotas"
+description: |-
+  Use this data source to get the list of CTS quotas.
+---
+
+# huaweicloud_cts_quotas
+
+Use this data source to get the list of CTS quotas.
+
+## Example Usage
+
+```hcl
+data "huaweicloud_cts_quotas" "test" {}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `region` - (Optional, String) Specifies the region in which to query the resource.
+  If omitted, the provider-level region will be used.
+
+## Attribute Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `id` - The data source ID.
+
+* `resources` - The quota information.
+
+  The [resources](#resources_struct) structure is documented below.
+
+<a name="resources_struct"></a>
+The `resources` block supports:
+
+* `used` - The number of used resources.
+
+* `quota` - The total number of resources.
+
+* `type` - The resource type.

huaweicloud/provider.go

@@ -578,6 +578,7 @@ func Provider() *schema.Provider {
 			"huaweicloud_cts_notifications": cts.DataSourceNotifications(),
 			"huaweicloud_cts_traces":        cts.DataSourceCtsTraces(),
 			"huaweicloud_cts_trackers":      cts.DataSourceCtsTrackers(),
+			"huaweicloud_cts_quotas":        cts.DataSourceCtsQuotas(),
 
 			"huaweicloud_cdm_clusters":              cdm.DataSourceCdmClusters(),
 			"huaweicloud_cdm_flavors":               cdm.DataSourceCdmFlavors(),

huaweicloud/services/acceptance/cts/data_source_huaweicloud_cts_quotas_test.go

@@ -0,0 +1,34 @@
+package cts
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance"
+)
+
+func TestAccDataSourceCtsQuotas_basic(t *testing.T) {
+	dataSource := "data.huaweicloud_cts_quotas.test"
+	dc := acceptance.InitDataSourceCheck(dataSource)
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: func() {
+			acceptance.TestAccPreCheck(t)
+		},
+		ProviderFactories: acceptance.TestAccProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testDataSourceCtsQuotas_basic,
+				Check: resource.ComposeTestCheckFunc(
+					dc.CheckResourceExists(),
+					resource.TestCheckResourceAttrSet(dataSource, "resources.0.type"),
+					resource.TestCheckResourceAttrSet(dataSource, "resources.0.quota"),
+					resource.TestCheckResourceAttrSet(dataSource, "resources.0.used"),
+				),
+			},
+		},
+	})
+}
+
+const testDataSourceCtsQuotas_basic = `data "huaweicloud_cts_quotas" "test" {}`

huaweicloud/services/cts/data_source_huaweicloud_cts_quotas.go

@@ -0,0 +1,120 @@
+// Generated by PMS #481
+package cts
+
+import (
+	"context"
+
+	"github.com/hashicorp/go-multierror"
+	"github.com/hashicorp/go-uuid"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/tidwall/gjson"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/config"
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/helper/httphelper"
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/helper/schemas"
+)
+
+func DataSourceCtsQuotas() *schema.Resource {
+	return &schema.Resource{
+		ReadContext: dataSourceCtsQuotasRead,
+
+		Schema: map[string]*schema.Schema{
+			"region": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Computed:    true,
+				Description: `Specifies the region in which to query the resource. If omitted, the provider-level region will be used.`,
+			},
+			"resources": {
+				Type:        schema.TypeList,
+				Computed:    true,
+				Description: `The quota information.`,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"used": {
+							Type:        schema.TypeInt,
+							Computed:    true,
+							Description: `The number of used resources.`,
+						},
+						"quota": {
+							Type:        schema.TypeInt,
+							Computed:    true,
+							Description: `The total number of resources.`,
+						},
+						"type": {
+							Type:        schema.TypeString,
+							Computed:    true,
+							Description: `The resource type.`,
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+type QuotasDSWrapper struct {
+	*schemas.ResourceDataWrapper
+	Config *config.Config
+}
+
+func newQuotasDSWrapper(d *schema.ResourceData, meta interface{}) *QuotasDSWrapper {
+	return &QuotasDSWrapper{
+		ResourceDataWrapper: schemas.NewSchemaWrapper(d),
+		Config:              meta.(*config.Config),
+	}
+}
+
+func dataSourceCtsQuotasRead(_ context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	wrapper := newQuotasDSWrapper(d, meta)
+	listQuotasRst, err := wrapper.ListQuotas()
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	id, err := uuid.GenerateUUID()
+	if err != nil {
+		return diag.FromErr(err)
+	}
+	d.SetId(id)
+
+	err = wrapper.listQuotasToSchema(listQuotasRst)
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	return nil
+}
+
+// @API CTS GET /v3/{project_id}/quotas
+func (w *QuotasDSWrapper) ListQuotas() (*gjson.Result, error) {
+	client, err := w.NewClient(w.Config, "cts")
+	if err != nil {
+		return nil, err
+	}
+
+	uri := "/v3/{project_id}/quotas"
+	return httphelper.New(client).
+		Method("GET").
+		URI(uri).
+		Request().
+		Result()
+}
+
+func (w *QuotasDSWrapper) listQuotasToSchema(body *gjson.Result) error {
+	d := w.ResourceData
+	mErr := multierror.Append(nil,
+		d.Set("region", w.Config.GetRegion(w.ResourceData)),
+		d.Set("resources", schemas.SliceToList(body.Get("resources"),
+			func(resources gjson.Result) any {
+				return map[string]any{
+					"used":  resources.Get("used").Value(),
+					"quota": resources.Get("quota").Value(),
+					"type":  resources.Get("type").Value(),
+				}
+			},
+		)),
+	)
+	return mErr.ErrorOrNil()
+}