vstart_runner: name booleans for options differently

This achieves 2 things: makes it more understandable for the reader that
the boolean variable is an option and reads less like a method name.

Signed-off-by: Rishabh Dave <ridave@redhat.com>

qa/tasks/vstart_runner.py

@@ -400,7 +400,7 @@ class LocalDaemon(object):
             if line.find("ceph-{0} -i {1}".format(self.daemon_type, self.daemon_id)) != -1:
                 log.info("Found ps line for daemon: {0}".format(line))
                 return int(line.split()[0])
-        if log_ps_output:
+        if opt_log_ps_output:
             log.info("No match for {0} {1}: {2}".format(
                 self.daemon_type, self.daemon_id, ps_txt))
         else:
@@ -1000,12 +1000,12 @@ class LocalContext(object):
     def __del__(self):
         shutil.rmtree(self.teuthology_config['test_path'])
 
-def _teardown_cluster():
+def teardown_cluster():
     log.info('\ntearing down the cluster...')
     remote.run(args = [os.path.join(SRC_PREFIX, "stop.sh")], timeout=60)
     remote.run(args = ['rm', '-rf', './dev', './out'])
 
-def _clear_old_log():
+def clear_old_log():
     from os import stat
 
     try:
@@ -1023,34 +1023,34 @@ def _clear_old_log():
 
 def exec_test():
     # Parse arguments
-    interactive_on_error = False
-    create_cluster = False
-    create_cluster_only = False
-    ignore_missing_binaries = False
-    teardown_cluster = False
-    global log_ps_output
-    log_ps_output = False
-    clear_old_log = False
+    opt_interactive_on_error = False
+    opt_create_cluster = False
+    opt_create_cluster_only = False
+    opt_ignore_missing_binaries = False
+    opt_teardown_cluster = False
+    global opt_log_ps_output
+    opt_log_ps_output = False
+    opt_clear_old_log = False
 
     args = sys.argv[1:]
     flags = [a for a in args if a.startswith("-")]
     modules = [a for a in args if not a.startswith("-")]
     for f in flags:
         if f == "--interactive":
-            interactive_on_error = True
+            opt_interactive_on_error = True
         elif f == "--create":
-            create_cluster = True
+            opt_create_cluster = True
         elif f == "--create-cluster-only":
-            create_cluster_only = True
+            opt_create_cluster_only = True
         elif f == "--ignore-missing-binaries":
-            ignore_missing_binaries = True
+            opt_ignore_missing_binaries = True
         elif f == '--teardown':
-            teardown_cluster = True
+            opt_teardown_cluster = True
         elif f == '--log-ps-output':
-            log_ps_output = True
+            opt_log_ps_output = True
         elif f == '--clear-old-log':
-            clear_old_log = True
-            _clear_old_log()
+            opt_clear_old_log = True
+            clear_old_log()
         else:
             log.error("Unknown option '{0}'".format(f))
             sys.exit(-1)
@@ -1060,7 +1060,7 @@ def exec_test():
     require_binaries = ["ceph-dencoder", "cephfs-journal-tool", "cephfs-data-scan",
                         "cephfs-table-tool", "ceph-fuse", "rados"]
     missing_binaries = [b for b in require_binaries if not os.path.exists(os.path.join(BIN_PREFIX, b))]
-    if missing_binaries and not ignore_missing_binaries:
+    if missing_binaries and not opt_ignore_missing_binaries:
         log.error("Some ceph binaries missing, please build them: {0}".format(" ".join(missing_binaries)))
         sys.exit(-1)
 
@@ -1082,10 +1082,10 @@ def exec_test():
             os.kill(pid, signal.SIGKILL)
 
     # Fire up the Ceph cluster if the user requested it
-    if create_cluster or create_cluster_only:
+    if opt_create_cluster or opt_create_cluster_only:
         log.info("Creating cluster with {0} MDS daemons".format(
             max_required_mds))
-        _teardown_cluster()
+        teardown_cluster()
         vstart_env = os.environ.copy()
         vstart_env["FS"] = "0"
         vstart_env["MDS"] = max_required_mds.__str__()
@@ -1105,7 +1105,7 @@ def exec_test():
         # definitely succeed
         LocalCephCluster(LocalContext()).mon_manager.wait_for_all_osds_up(timeout=30)
 
-    if create_cluster_only:
+    if opt_create_cluster_only:
         return
 
     # List of client mounts, sufficient to run the selected tests
@@ -1225,7 +1225,7 @@ def exec_test():
     for s, method in victims:
         s._tests.remove(method)
 
-    if interactive_on_error:
+    if opt_interactive_on_error:
         result_class = InteractiveFailureResult
     else:
         result_class = unittest.TextTestResult
@@ -1257,8 +1257,8 @@ def exec_test():
         verbosity=2,
         failfast=True).run(overall_suite)
 
-    if teardown_cluster:
-        _teardown_cluster()
+    if opt_teardown_cluster:
+        teardown_cluster()
 
     if not result.wasSuccessful():
         result.printErrors()  # duplicate output at end for convenience