sos: add DNS troubleshooting outputs

Author: ezekiel-alexrod

CHANGELOG.md

@@ -8,6 +8,9 @@
   [1.31.10](https://github.com/kubernetes/kubernetes/releases/tag/v1.31.10)
   (PR[#4610](https://github.com/scality/metalk8s/pull/4610))
 
+- Add DNS troubleshooting outputs to `sosreport` plugin
+  (PR[#4621](https://github.com/scality/metalk8s/pull/4621))
+
 ## Release 130.0.4 (in development)
 
 ## Release 130.0.3

packages/common/metalk8s-sosreport/metalk8s.py

@@ -26,7 +26,6 @@
 
 
 class MetalK8s(Plugin, RedHatPlugin):
-
     """Metalk8s plugin"""
 
     plugin_name = "metalk8s"
@@ -135,6 +134,18 @@ def _setup_common(self):
         for service in services:
             self.add_journal(units=service)
 
+        # Add DNS troubleshooting outputs
+        # We're using bash -c to ensure that the command is run in a
+        # bash shell, which is needed for the `time` command to work properly
+        # since it's a shell builtin.
+        self.add_cmd_output(
+            "bash -c 'time hostname -f'", suggest_filename="time_hostname_-f"
+        )
+        self.add_cmd_output(
+            "bash -c 'time salt-call --local test.ping'",
+            suggest_filename="time_salt_call_--local_test_ping",
+        )
+
     def _setup_k8s_resources(
         self,
     ):  # pylint: disable=too-many-statements,too-many-locals