Disable PDF export for s390x architecture in Jupyter Minimal images

ci/cached-builds/gen_gha_matrix_jobs.py

@@ -33,6 +33,8 @@
 S390X_COMPATIBLE = {
     "runtime-minimal-ubi9-python-3.11",
     "runtime-minimal-ubi9-python-3.12",
+    "jupyter-minimal-ubi9-python-3.11",
+    "jupyter-minimal-ubi9-python-3.12",
     # add more here
 }
 

jupyter/utils/install_pdf_deps.sh

@@ -17,6 +17,12 @@ if [[ -z "${ARCH:-}" ]]; then
     exit 1
 fi
 
+# Skip PDF export installation for s390x architecture
+if [[ "$(uname -m)" == "s390x" ]]; then
+    echo "PDF export functionality is not supported on s390x architecture. Skipping installation."
+    exit 0
+fi
+
 # tex live installation
 echo "Installing TexLive to allow PDf export from Notebooks"
 curl -fL https://mirror.ctan.org/systems/texlive/tlnet/install-tl-unx.tar.gz -o install-tl-unx.tar.gz

tests/containers/architecture_support.py

@@ -0,0 +1,11 @@
+"""Centralized configuration for architecture-specific feature limitations."""
+
+ARCHITECTURE_LIMITATIONS = {
+    "s390x": {"pdf_export": False, "pdf_export_reason": "TexLive and Pandoc dependencies not available on s390x"},
+    "x86_64": {"pdf_export": True, "pdf_export_reason": "Full support available"},
+    "aarch64": {"pdf_export": True, "pdf_export_reason": "Full support available"},
+    "ppc64le": {"pdf_export": True, "pdf_export_reason": "Full support available"},
+}
+
+# Architecture mapping from uname -m to common names
+ARCHITECTURE_NAMES = {"x86_64": "x86_64", "aarch64": "arm64", "ppc64le": "ppc64le", "s390x": "s390x"}

tests/containers/architecture_utils.py

@@ -0,0 +1,31 @@
+"""Architecture detection utilities for container tests."""
+
+import pytest
+
+from tests.containers import docker_utils
+from tests.containers.architecture_support import ARCHITECTURE_LIMITATIONS
+from tests.containers.workbenches.workbench_image_test import WorkbenchContainer
+
+
+@pytest.fixture(scope="function")
+def container_architecture(jupyterlab_image):
+    """Cache architecture detection per test function."""
+    container = WorkbenchContainer(image=jupyterlab_image.name, user=4321, group_add=[0])
+    container.start(wait_for_readiness=False)
+    try:
+        exit_code, arch_output = container.exec(["uname", "-m"])
+        if exit_code == 0:
+            return arch_output.decode().strip()
+        return None
+    finally:
+        docker_utils.NotebookContainer(container).stop(timeout=0)
+
+
+def is_feature_supported(architecture: str, feature: str) -> bool:
+    """Check if a feature is supported on the given architecture."""
+    return ARCHITECTURE_LIMITATIONS.get(architecture, {}).get(feature, True)
+
+
+def get_architecture_limitation_reason(architecture: str, feature: str) -> str:
+    """Get the reason why a feature is not supported on the given architecture."""
+    return ARCHITECTURE_LIMITATIONS.get(architecture, {}).get(f"{feature}_reason", "Unknown limitation")

tests/containers/workbenches/jupyterlab/jupyterlab_test.py

@@ -8,6 +8,10 @@
 import requests
 
 from tests.containers import conftest, docker_utils
+from tests.containers.architecture_utils import (
+    get_architecture_limitation_reason,
+    is_feature_supported,
+)
 from tests.containers.workbenches.workbench_image_test import WorkbenchContainer
 
 
@@ -56,7 +60,11 @@ def test_spinner_html_loaded(self, jupyterlab_image: conftest.Image) -> None:
 
     @allure.issue("RHOAIENG-16568")
     @allure.description("Check that PDF export is working correctly")
-    def test_pdf_export(self, jupyterlab_image: conftest.Image) -> None:
+    def test_pdf_export(self, jupyterlab_image: conftest.Image, container_architecture) -> None:
+        # Skip if PDF export is not supported on this architecture
+        if not is_feature_supported(container_architecture, "pdf_export"):
+            reason = get_architecture_limitation_reason(container_architecture, "pdf_export")
+            pytest.skip(f"PDF export functionality is not supported on {container_architecture} architecture: {reason}")
         container = WorkbenchContainer(image=jupyterlab_image.name, user=4321, group_add=[0])
         test_file_name = "test.ipybn"
         test_file_content = """{