feat(workspace/app): add a new data source to query original policy

Author: wuzhuanhong

docs/data-sources/workspace_app_original_policy.md

@@ -0,0 +1,32 @@
+---
+subcategory: "Workspace"
+layout: "huaweicloud"
+page_title: "HuaweiCloud: huaweicloud_workspace_app_original_policy"
+description: |-
+  Use this data source to get the original policy of the Workspace APP within HuaweiCloud.
+---
+
+# huaweicloud_workspace_app_original_policy
+
+Use this data source to get the original policy of the Workspace APP within HuaweiCloud.
+
+## Example Usage
+
+```hcl
+data "huaweicloud_workspace_app_original_policy" "test" {}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `region` - (Optional, String) Specifies the region where the original policy is located.  
+  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.
+
+* `policies` - The original policy configuration, in JSON format.

huaweicloud/provider.go

@@ -2282,6 +2282,7 @@ func Provider() *schema.Provider {
 			"huaweicloud_workspace_app_image_servers":                            workspace.DataSourceWorkspaceAppImageServers(),
 			"huaweicloud_workspace_app_latest_attached_applications":             workspace.DataSourceLatestAttachedApplications(),
 			"huaweicloud_workspace_app_nas_storages":                             workspace.DataSourceAppNasStorages(),
+			"huaweicloud_workspace_app_original_policy":                          workspace.DataSourceAppOriginalPolicy(),
 			"huaweicloud_workspace_app_policy_groups":                            workspace.DataSourceAppPolicyGroups(),
 			"huaweicloud_workspace_app_publishable_applications":                 workspace.DataSourceAppPublishableApplications(),
 			"huaweicloud_workspace_app_schedule_tasks":                           workspace.DataSourceAppScheduleTasks(),

huaweicloud/services/acceptance/workspace/data_source_huaweicloud_workspace_app_original_policy_test.go

@@ -0,0 +1,34 @@
+package workspace
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance"
+)
+
+func TestAccDataAppOriginalPolicy_basic(t *testing.T) {
+	var (
+		dcName = "data.huaweicloud_workspace_app_original_policy.test"
+		dc     = acceptance.InitDataSourceCheck(dcName)
+	)
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { acceptance.TestAccPreCheck(t) },
+		ProviderFactories: acceptance.TestAccProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataAppOriginalPolicy_basic,
+				Check: resource.ComposeTestCheckFunc(
+					dc.CheckResourceExists(),
+					resource.TestCheckResourceAttrSet(dcName, "policies"),
+				),
+			},
+		},
+	})
+}
+
+const testAccDataAppOriginalPolicy_basic = `
+data "huaweicloud_workspace_app_original_policy" "test" {}
+`

huaweicloud/services/workspace/data_source_huaweicloud_workspace_app_original_policy.go

@@ -0,0 +1,82 @@
+package workspace
+
+import (
+	"context"
+	"strings"
+
+	"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/chnsz/golangsdk"
+
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/config"
+	"github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/utils"
+)
+
+// @API Workspace GET /v1/{project_id}/policy-groups/actions/list-original-policy
+func DataSourceAppOriginalPolicy() *schema.Resource {
+	return &schema.Resource{
+		ReadContext: dataSourceAppOriginalPolicyRead,
+		Schema: map[string]*schema.Schema{
+			"region": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Computed:    true,
+				Description: `The region where the original policy is located.`,
+			},
+			"policies": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: `The original policy configuration, in JSON format.`,
+			},
+		},
+	}
+}
+
+func dataSourceAppOriginalPolicyRead(_ context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	var (
+		cfg     = meta.(*config.Config)
+		region  = cfg.GetRegion(d)
+		httpUrl = "v1/{project_id}/policy-groups/actions/list-original-policy"
+	)
+
+	client, err := cfg.NewServiceClient("appstream", region)
+	if err != nil {
+		return diag.Errorf("error creating Workspace APP client: %s", err)
+	}
+
+	getPath := client.Endpoint + httpUrl
+	getPath = strings.ReplaceAll(getPath, "{project_id}", client.ProjectID)
+	opt := golangsdk.RequestOpts{
+		KeepResponseBody: true,
+		MoreHeaders: map[string]string{
+			"Content-Type": "application/json;charset=UTF-8",
+		},
+	}
+
+	requestResp, err := client.Request("GET", getPath, &opt)
+	if err != nil {
+		return diag.FromErr(err)
+	}
+
+	respBody, err := utils.FlattenResponse(requestResp)
+	if err != nil {
+		return diag.Errorf("error querying original policy information: %s", err)
+	}
+
+	randomUUID, err := uuid.GenerateUUID()
+	if err != nil {
+		return diag.Errorf("unable to generate ID: %s", err)
+	}
+
+	d.SetId(randomUUID)
+
+	mErr := multierror.Append(
+		d.Set("region", region),
+		d.Set("policies", utils.JsonToString(utils.PathSearch("policies", respBody, nil))),
+	)
+
+	return diag.FromErr(mErr.ErrorOrNil())
+}