feat: Skip llama-stack tests if OpenShift < 4.17

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

Author: jgarciao

tests/llama_stack/conftest.py

@@ -19,8 +19,10 @@
 from utilities.constants import DscComponents, Timeout
 from utilities.data_science_cluster_utils import update_components_in_dsc
 from tests.llama_stack.constants import (
+    LLS_OPENSHIFT_MINIMAL_VERSION,
     ModelInfo,
 )
+from utilities.infra import get_openshift_version
 
 
 LOGGER = get_logger(name=__name__)
@@ -216,6 +218,19 @@ def _get_llama_stack_distribution_deployment(
     yield deployment
 
 
+@pytest.fixture(scope="session", autouse=True)
+def skip_llama_stack_if_not_supported_openshift_version(admin_client: DynamicClient) -> None:
+    """Skip llama-stack tests if OpenShift version is not supported (< 4.17) by llama-stack-operator"""
+    version = get_openshift_version(admin_client=admin_client)
+    if version < LLS_OPENSHIFT_MINIMAL_VERSION:
+        message = (
+            f"Skipping llama-stack tests, as llama-stack-operator is not supported "
+            f"on OpenShift {version} ({LLS_OPENSHIFT_MINIMAL_VERSION} or newer required)"
+        )
+        LOGGER.info(message)
+        pytest.skip(reason=message)
+
+
 @pytest.fixture(scope="class")
 def unprivileged_llama_stack_distribution_deployment(
     unprivileged_client: DynamicClient,

tests/llama_stack/constants.py

@@ -2,6 +2,8 @@
 from enum import Enum
 from typing import List, NamedTuple, TypedDict
 from llama_stack_client.types import Model
+from semver import VersionInfo
+import semver
 
 
 class LlamaStackProviders:
@@ -26,6 +28,7 @@ class ModelInfo(NamedTuple):
 
 
 LLS_CORE_POD_FILTER: str = "app=llama-stack"
+LLS_OPENSHIFT_MINIMAL_VERSION: VersionInfo = semver.VersionInfo.parse("4.17.0")
 
 
 class TurnExpectation(TypedDict):

utilities/infra.py

@@ -23,6 +23,7 @@
 )
 from ocp_resources.catalog_source import CatalogSource
 from ocp_resources.cluster_service_version import ClusterServiceVersion
+from ocp_resources.cluster_version import ClusterVersion
 from ocp_resources.config_map import ConfigMap
 from ocp_resources.config_imageregistry_operator_openshift_io import Config
 from ocp_resources.console_cli_download import ConsoleCLIDownload
@@ -611,6 +612,16 @@ def get_openshift_token() -> str:
     return run_command(command=shlex.split("oc whoami -t"))[1].strip()
 
 
+@cache
+def get_openshift_version(admin_client: DynamicClient) -> Version:
+    """Get the OpenShift cluster version."""
+    cluster_version = ClusterVersion(client=admin_client, name="version")
+    if not cluster_version:
+        raise MissingResourceError("ClusterVersion not found")
+
+    return Version.parse(version=str(cluster_version.instance.status.desired.version))
+
+
 def get_kserve_storage_initialize_image(client: DynamicClient) -> str:
     """
     Get the image used to storage-initializer.