Update docs

Signed-off-by: Somtochi Onyekwere <[email protected]>

Author: somtochiama

docs/spec/v1beta2/buckets.md

@@ -537,15 +537,18 @@ The leading question mark is optional.
 The query values from the `sasKey` data field in the Secrets gets merged with the ones in the `spec.endpoint` of the `Bucket`.
 If the same key is present in the both of them, the value in the `sasKey` takes precedence.
 
-**Note:** SAS Token has an expiry date and it should be updated before it expires so that Flux can
-continue to access Azure Storage. Also, The source-controller can use a account-level SAS token or a container-level SAS token.
-The minimum permissions for an account-level SAS Token is:
-- Allowed services: Blob
-- Allowed resource types: Container, Object
-- Allowed permission: Read, List
-
-The minimum permissions for a container-level SAS Token is:
-- Permission: Read, List
+**Note:** The SAS token has an expiry date and it must be updated before it expires to allow Flux to
+continue to access Azure Storage. It is allowed to use an account-level or container-level SAS token.
+
+The minimum permissions for an account-level SAS token are:
+- Allowed services: `Blob`
+- Allowed resource types: `Container`, `Object`
+- Allowed permissions: `Read`, `List`
+
+  The minimum permissions for a container-level SAS token are:
+- Allowed permissions: `Read`, `List`
+
+Refer to the [Azure documentation](https://learn.microsoft.com/en-us/rest/api/storageservices/create-account-sas#blob-service) for a full overview on permissions.
 
 #### GCP
 

pkg/azure/blob.go

@@ -21,14 +21,15 @@ import (
 	"crypto/md5"
 	"errors"
 	"fmt"
+	"github.com/Azure/azure-sdk-for-go/sdk/azcore"
 	"io"
 	"net/url"
 	"os"
 	"path/filepath"
 	"strings"
 
-	"github.com/Azure/azure-sdk-for-go/sdk/azcore"
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/cloud"
+	to "github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
 	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
 	_ "github.com/Azure/azure-sdk-for-go/sdk/azidentity"
 	"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
@@ -180,10 +181,9 @@ func (c *BlobClient) BucketExists(ctx context.Context, bucketName string) (bool,
 	if err != nil {
 		return false, err
 	}
-
-	var max int32 = 1
+	
 	items := container.ListBlobsFlat(&azblob.ContainerListBlobsFlatOptions{
-		MaxResults: &max,
+		MaxResults: to.Ptr(int32(1)),
 	})
 	// We call next page only once since we just want to see if we get an error
 	items.NextPage(ctx)