Add lock_path as param to remove_external function

commit b0d0c335 added remove external lock file function, but
the lock_path as lock file location folder is missing and
it make it's impossible to specify where to find the lock file.
This patch added the params.

Change-Id: I9be2fb68fab4690993395d01ef5ad13c0c92f3a3
Related-Bug: #1256306

2 files changed, 18 insertions, 6 deletions

diff --git a/oslo/concurrency/lockutils.py b/oslo/concurrency/lockutils.py
index ba98347..f928a9f 100644
--- a/oslo/concurrency/lockutils.py
+++ b/oslo/concurrency/lockutils.py
@@ -197,12 +197,12 @@ def external_lock(name, lock_file_prefix=None, lock_path=None):
     return InterProcessLock(lock_file_path)
 
 
-def remove_external_lock_file(name, lock_file_prefix=None):
+def remove_external_lock_file(name, lock_file_prefix=None, lock_path=None):
     """Remove an external lock file when it's not used anymore
     This will be helpful when we have a lot of lock files
     """
     with internal_lock(name):
-        lock_file_path = _get_lock_path(name, lock_file_prefix)
+        lock_file_path = _get_lock_path(name, lock_file_prefix, lock_path)
         try:
             os.remove(lock_file_path)
         except OSError:
diff --git a/tests/unit/test_lockutils.py b/tests/unit/test_lockutils.py
index 8724440..e764921 100644
--- a/tests/unit/test_lockutils.py
+++ b/tests/unit/test_lockutils.py
@@ -315,14 +315,16 @@ class LockTestCase(test_base.BaseTestCase):
             if os.path.exists(lock_dir):
                 shutil.rmtree(lock_dir, ignore_errors=True)
 
-    def test_remove_lock_external_file(self):
+    def _test_remove_lock_external_file(self, lock_dir, use_external=False):
         lock_name = 'mylock'
         lock_pfix = 'mypfix-remove-lock-test-'
 
-        lock_dir = tempfile.mkdtemp()
-        self.config(lock_path=lock_dir)
+        if use_external:
+            lock_path = lock_dir
+        else:
+            lock_path = None
 
-        lockutils.remove_external_lock_file(lock_name, lock_pfix)
+        lockutils.remove_external_lock_file(lock_name, lock_pfix, lock_path)
 
         for ent in os.listdir(lock_dir):
             self.assertRaises(OSError, ent.startswith, lock_pfix)
@@ -330,6 +332,16 @@ class LockTestCase(test_base.BaseTestCase):
         if os.path.exists(lock_dir):
             shutil.rmtree(lock_dir, ignore_errors=True)
 
+    def test_remove_lock_external_file(self):
+        lock_dir = tempfile.mkdtemp()
+        self.config(lock_path=lock_dir)
+        self._test_remove_lock_external_file(lock_dir)
+
+    def test_remove_lock_external_file_lock_path(self):
+        lock_dir = tempfile.mkdtemp()
+        self._test_remove_lock_external_file(lock_dir,
+                                             use_external=True)
+
     def test_no_slash_in_b64(self):
         # base64(sha1(foobar)) has a slash in it
         with lockutils.lock("foobar"):