refactor: remove human-readable log option and update documentation

Eliminate the --readable-logs CLI option from the logging configuration
and related documentation. Update the logging setup to use structured JSON
format by default, while clarifying the log output format in the
GETTING_STARTED.md file.

Signed-off-by: Jorge Garcia Oncins <jgarciao@redhat.com>

Author: jgarciao

conftest.py

@@ -54,7 +54,6 @@ def pytest_addoption(parser: Parser) -> None:
     serving_arguments_group = parser.getgroup(name="Serving arguments")
     model_validation_automation_group = parser.getgroup(name="Model Validation Automation")
     hf_group = parser.getgroup(name="Hugging Face")
-    logging_group = parser.getgroup(name="Logging")
     model_registry_group = parser.getgroup(name="Model Registry options")
     # AWS config and credentials options
     aws_group.addoption(
@@ -207,14 +206,6 @@ def pytest_addoption(parser: Parser) -> None:
         help="Indicates if the model registry tests are to be run against custom namespace",
     )
 
-    # Logging options
-    logging_group.addoption(
-        "--readable-logs",
-        action="store_true",
-        default=False,
-        help="Write logs in human-readable format instead of JSON",
-    )
-
 
 def pytest_cmdline_main(config: Any) -> None:
     config.option.basetemp = py_config["tmp_base_dir"] = f"{config.option.basetemp}-{shortuuid.uuid()}"
@@ -335,7 +326,6 @@ def pytest_sessionstart(session: Session) -> None:
         log_level=log_level,
         thread_name=thread_name,
         enable_console=enable_console_value,
-        human_readable=session.config.getoption("--readable-logs"),
     )
 
     # Now safe to log after configuration is applied (only to file when console disabled)

docs/GETTING_STARTED.md

@@ -171,25 +171,13 @@ podman run  -v $HOME:/mnt/host:Z  -e KUBECONFIG=/mnt/host/kubeconfig quay.io/ope
 
 ## Debugging test failures
 
-### Human-readable log output
+### Log output
 
-By default, logs are written in JSON format to `pytest-tests.log`. To write logs in human-readable format instead, use the `--readable-logs` flag:
+Console output uses structlog's `ConsoleRenderer` (human-readable, colorized).
+The log file (`pytest-tests.log`) uses structlog's `JSONRenderer` (structured JSON).
 
-```bash
-uv run pytest --readable-logs tests/my_test.py
-```
-
-This produces output like:
-
-```text
-2026-03-25T10:48:56.864955+00:00 conftest INFO Writing tests log to pytest-tests.log (conftest.py:342)
-2026-03-25T10:48:56.881095+00:00 ocp_resources.resource INFO Trying to get client via new_client_from_config (resource.py:272)
-```
-
-### Converting existing JSON logs
-
-To convert an existing JSON log file to readable format:
+To convert the JSON log file to a readable format:
 
 ```bash
-sed 's/^[^{]*//' pytest-tests.log | jq -r '"\(.timestamp) [\(.level)] \(.logger): \(.event)"'
+jq -r '"\(.timestamp) [\(.level)] \(.logger): \(.event)"' pytest-tests.log
 ```

utilities/logger.py

@@ -167,7 +167,6 @@ def setup_logging(
     log_file: str = "/tmp/pytest-tests.log",
     thread_name: str | None = None,
     enable_console: bool = True,
-    human_readable: bool = False,
 ) -> QueueListener:
     """
     Setup structlog and root logging using QueueHandler/QueueListener