mgr/selftest: add a command for querying python version

so the test driver can skip certain tests based on the version of python
runtime on the test node

Fixes: https://tracker.ceph.com/issues/50196
Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/pybind/mgr/selftest/module.py b/src/pybind/mgr/selftest/module.py
index 65d6181054c2693f628cfecf6fa9c082fd2ab7dc..7ec01299c521ab8030ab52134c45b3f1223ee4ce 100644 (file)
--- a/src/pybind/mgr/selftest/module.py
+++ b/src/pybind/mgr/selftest/module.py
@@ -1,9 +1,10 @@
 
 from mgr_module import MgrModule, CommandResult
-import threading
-import random
-import json
 import errno
+import json
+import random
+import sys
+import threading
 
 
 class Module(MgrModule):
@@ -101,6 +102,11 @@ class Module(MgrModule):
                 "desc": "Create an audit log record.",
                 "perm": "rw"
             },
+            {
+                "cmd": "mgr self-test python-version",
+                "desc": "Query the version of the embedded Python runtime",
+                "perm": "r"
+            },
             ]
 
     def __init__(self, *args, **kwargs):
@@ -110,7 +116,13 @@ class Module(MgrModule):
         self._health = {}
 
     def handle_command(self, inbuf, command):
-        if command['prefix'] == 'mgr self-test run':
+        if command['prefix'] == 'mgr self-test python-version':
+            major = sys.version_info.major
+            minor = sys.version_info.minor
+            micro = sys.version_info.micro
+            return 0, f'{major}.{minor}.{micro}', ''
+
+        elif command['prefix'] == 'mgr self-test run':
             self._self_test()
             return 0, '', 'Self-test succeeded'