fix: Enhance parser IlabConfigShow (#4426)

- to skip irrelevant lines 

Signed-off-by: jiazhang <[email protected]>

rh-pre-commit.version: 2.3.1
rh-pre-commit.check-secrets: ENABLED

Author: wushiqinlou

insights/parsers/ilab.py

@@ -9,8 +9,7 @@
 IlabConfigShow - command ``/usr/bin/ilab config show``
 ------------------------------------------------------
 """
-from insights import YAMLParser
-from insights.core import CommandParser
+from insights.core import CommandParser, YAMLParser
 from insights.core.plugins import parser
 from insights.core.exceptions import SkipComponent, ParseException
 from insights.specs import Specs
@@ -70,6 +69,8 @@ class IlabConfigShow(CommandParser, YAMLParser):
 
     Sample output from ``/usr/bin/ilab config show``::
 
+        time="2025-04-15T08:23:44Z" level=warning msg="The input device is not a TTY. The --tty and --interactive flags might not work properly"
+        # Chat configuration section.
         chat:
           context: default
           logs_dir: /root/.local/share/instructlab/chatlogs
@@ -99,4 +100,4 @@ class IlabConfigShow(CommandParser, YAMLParser):
     Attributes:
         data(dict): The ilab config information
     """
-    pass
+    ignore_lines = ['time=']

insights/tests/parsers/test_ilab.py

@@ -38,7 +38,12 @@
 ILAB_MODULE_LIST_EMPTY = ""
 
 ILAB_CONFIG_SHOW = """
+time="2025-04-15T08:23:44Z" level=warning msg="The input device is not a TTY. The --tty and --interactive flags might not work properly"
+# Chat configuration section.
 chat:
+  # Predefined setting or environment that influences the behavior and responses of
+  # the chat assistant. Each context is associated with a specific prompt that
+  # guides the assistant on how to respond to user inputs. Available contexts:
   context: default
   logs_dir: /root/.local/share/instructlab/chatlogs
   max_tokens:
@@ -60,6 +65,7 @@
 """.strip()
 
 ILAB_CONFIG_SHOW_ERROR = ILAB_MODULE_LIST_ERROR
+ILAB_CONFIG_SHOW_EMPTY = ILAB_MODULE_LIST_EMPTY
 
 
 def test_ilab_model_list():
@@ -88,6 +94,9 @@ def test_ilab_config_show():
     with pytest.raises(ParseException):
         IlabConfigShow(context_wrap(ILAB_CONFIG_SHOW_ERROR))
 
+    with pytest.raises(SkipComponent):
+        IlabModuleList(context_wrap(ILAB_CONFIG_SHOW_EMPTY))
+
 
 def test_ilab_doc_examples():
     env = {