testhelper: add filesystem direct mounts and get_shares_with_directmnt

Add  share["backend"]["path"] to indicate where direct access to the
share is available.

Add helper function get_shares_with_directmnt() to locate shares with
direct access to the exported path available

Signed-off-by: Sachin Prabhu <[email protected]>

Author: spuiuk

test-info.yml.example

@@ -17,6 +17,8 @@ shares:
     backend:
       # If present backend filesystem
       name: cephfs.vfs
+      # If present, provides direct access to share
+      path: /mnt/backend/export1
     # If present, username to perform the tests with on this share
     users:
       test2: x

testhelper/testhelper.py

@@ -190,3 +190,19 @@ def get_exported_shares(test_info: dict) -> typing.List[str]:
         if not is_premounted_share(share):
             arr.append(share["name"])
     return arr
+
+
+def get_shares_with_directmnt(test_info: dict) -> typing.List[str]:
+    """
+    Get list of shares with directmnt enabled
+
+    Parameters:
+    test_info: Dict containing the parsed yaml file.
+    Returns:
+    list of shares
+    """
+    arr = []
+    for share in get_shares(test_info).values():
+        if share["backend"].get("path", False):
+            arr.append(share["name"])
+    return arr