feat(cfw): add this data source to get the list of CFW tags

docs/data-sources/cfw_tags.md

@@ -0,0 +1,41 @@
+---
+subcategory: "Cloud Firewall (CFW)"
+layout: "huaweicloud"
+page_title: "HuaweiCloud: huaweicloud_cfw_tags"
+description: |-
+  Use this data source to get the list of CFW tags.
+---
+
+# huaweicloud_cfw_tags
+
+Use this data source to get the list of CFW tags.
+
+## Example Usage
+
+```hcl
+data "huaweicloud_cfw_tags" "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.
+
+* `tags` - The tag List.
+
+  The [tags](#tags_struct) structure is documented below.
+
+<a name="tags_struct"></a>
+The `tags` block supports:
+
+* `key` - The tag key.
+
+* `values` - The tag values.

huaweicloud/provider.go

@@ -570,6 +570,7 @@ func Provider() *schema.Provider {
 			"huaweicloud_cfw_flow_logs":             cfw.DataSourceCfwFlowLogs(),
 			"huaweicloud_cfw_regions":               cfw.DataSourceCfwRegions(),
 			"huaweicloud_cfw_ips_rules":             cfw.DataSourceCfwIpsRules(),
+			"huaweicloud_cfw_tags":                  cfw.DataSourceCfwTags(),
 
 			"huaweicloud_cnad_advanced_instances":         cnad.DataSourceInstances(),
 			"huaweicloud_cnad_advanced_available_objects": cnad.DataSourceAvailableProtectedObjects(),

huaweicloud/services/acceptance/cfw/data_source_huaweicloud_cfw_tags_test.go

@@ -0,0 +1,43 @@
+package cfw
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance"
+)
+
+func TestAccDataSourceCfwTags_basic(t *testing.T) {
+	dataSource := "data.huaweicloud_cfw_tags.test"
+	dc := acceptance.InitDataSourceCheck(dataSource)
+	name := acceptance.RandomAccResourceName()
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: func() {
+			acceptance.TestAccPreCheck(t)
+		},
+		ProviderFactories: acceptance.TestAccProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testDataSourceDataSourceCfwTags_basic(name),
+				Check: resource.ComposeTestCheckFunc(
+					dc.CheckResourceExists(),
+					resource.TestCheckResourceAttrSet(dataSource, "tags.0.key"),
+					resource.TestCheckResourceAttrSet(dataSource, "tags.0.values.#"),
+				),
+			},
+		},
+	})
+}
+
+func testDataSourceDataSourceCfwTags_basic(name string) string {
+	return fmt.Sprintf(`
+%[1]s
+
+data "huaweicloud_cfw_tags" "test" {
+  depends_on = [huaweicloud_cfw_firewall.test]
+}
+`, testFirewall_basic(name))
+}

huaweicloud/services/cfw/data_source_huaweicloud_cfw_tags.go

@@ -0,0 +1,116 @@
+// Generated by PMS #514
+package cfw
+
+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 DataSourceCfwTags() *schema.Resource {
+	return &schema.Resource{
+		ReadContext: dataSourceCfwTagsRead,
+
+		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.`,
+			},
+			"tags": {
+				Type:        schema.TypeList,
+				Computed:    true,
+				Description: `The tag List.`,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"key": {
+							Type:        schema.TypeString,
+							Computed:    true,
+							Description: `The tag key.`,
+						},
+						"values": {
+							Type:        schema.TypeList,
+							Computed:    true,
+							Elem:        &schema.Schema{Type: schema.TypeString},
+							Description: `The tag values.`,
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+type TagsDSWrapper struct {
+	*schemas.ResourceDataWrapper
+	Config *config.Config
+}
+
+func newTagsDSWrapper(d *schema.ResourceData, meta interface{}) *TagsDSWrapper {
+	return &TagsDSWrapper{
+		ResourceDataWrapper: schemas.NewSchemaWrapper(d),
+		Config:              meta.(*config.Config),
+	}
+}
+
+func dataSourceCfwTagsRead(_ context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	wrapper := newTagsDSWrapper(d, meta)
+	listProjectTagsRst, err := wrapper.ListProjectTags()
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	id, err := uuid.GenerateUUID()
+	if err != nil {
+		return diag.FromErr(err)
+	}
+	d.SetId(id)
+
+	err = wrapper.listProjectTagsToSchema(listProjectTagsRst)
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	return nil
+}
+
+// @API CFW GET /v2/{project_id}/cfw-cfw/tags
+func (w *TagsDSWrapper) ListProjectTags() (*gjson.Result, error) {
+	client, err := w.NewClient(w.Config, "cfw")
+	if err != nil {
+		return nil, err
+	}
+
+	uri := "/v2/{project_id}/cfw-cfw/tags"
+	return httphelper.New(client).
+		Method("GET").
+		URI(uri).
+		OffsetPager("tags", "offset", "limit", 1000).
+		Request().
+		Result()
+}
+
+func (w *TagsDSWrapper) listProjectTagsToSchema(body *gjson.Result) error {
+	d := w.ResourceData
+	mErr := multierror.Append(nil,
+		d.Set("region", w.Config.GetRegion(w.ResourceData)),
+		d.Set("tags", schemas.SliceToList(body.Get("tags"),
+			func(tags gjson.Result) any {
+				return map[string]any{
+					"key":    tags.Get("key").Value(),
+					"values": schemas.SliceToStrList(tags.Get("values")),
+				}
+			},
+		)),
+	)
+	return mErr.ErrorOrNil()
+}