List System Containers (#21243)

* Listing system containers

* Updating CHANGELOG.md

* Record test

Author: siminsavani-msft

sdk/storage/azblob/CHANGELOG.md

@@ -4,7 +4,8 @@
 
 ### Features Added
 * Added support for [Cold tier](https://learn.microsoft.com/azure/storage/blobs/access-tiers-overview?tabs=azure-portal).
-* Added CopySourceTag option for UploadBlobFromURLOptions
+* Added `CopySourceTag` option for `UploadBlobFromURLOptions`
+* Added `System` option to `ListContainersInclude` to allow listing of system containers. 
 
 ### Breaking Changes
 

sdk/storage/azblob/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "go",
   "TagPrefix": "go/storage/azblob",
-  "Tag": "go/storage/azblob_5f550f0ded"
+  "Tag": "go/storage/azblob_816342f61e"
 }

sdk/storage/azblob/service/client.go

@@ -194,6 +194,9 @@ func (s *Client) NewListContainersPager(o *ListContainersOptions) *runtime.Pager
 		if o.Include.Metadata {
 			listOptions.Include = append(listOptions.Include, generated.ListContainersIncludeTypeMetadata)
 		}
+		if o.Include.System {
+			listOptions.Include = append(listOptions.Include, generated.ListContainersIncludeTypeSystem)
+		}
 		listOptions.Marker = o.Marker
 		listOptions.Maxresults = o.MaxResults
 		listOptions.Prefix = o.Prefix

sdk/storage/azblob/service/client_test.go

@@ -160,6 +160,33 @@ func (s *ServiceUnrecordedTestsSuite) TestListContainersBasic() {
 	_require.GreaterOrEqual(count, 0)
 }
 
+func (s *ServiceRecordedTestsSuite) TestListContainersSystem() {
+	_require := require.New(s.T())
+	svcClient, err := testcommon.GetServiceClient(s.T(), testcommon.TestAccountDefault, nil)
+	_require.Nil(err)
+
+	listOptions := service.ListContainersOptions{Include: service.ListContainersInclude{System: true}}
+	pager := svcClient.NewListContainersPager(&listOptions)
+
+	count := 0
+	for pager.More() {
+		resp, err := pager.NextPage(context.Background())
+		_require.Nil(err)
+		for _, c := range resp.ContainerItems {
+			_require.NotNil(c.Name)
+			if strings.Contains(*c.Name, "$") {
+				count += 1
+			}
+		}
+		if err != nil {
+			break
+		}
+	}
+
+	_require.Nil(err)
+	_require.GreaterOrEqual(count, 1) // every account will always have one system container, i.e. '$logs'
+}
+
 func (s *ServiceRecordedTestsSuite) TestSetPropertiesLogging() {
 	_require := require.New(s.T())
 	svcClient, err := testcommon.GetServiceClient(s.T(), testcommon.TestAccountDefault, nil)

sdk/storage/azblob/service/models.go

@@ -156,6 +156,9 @@ type ListContainersInclude struct {
 
 	// Tells the service whether to return soft-deleted containers.
 	Deleted bool
+
+	// Tells the service whether to return system containers.
+	System bool
 }
 
 // ---------------------------------------------------------------------------------------------------------------------