feat(ppc64le): build runtime datascience image on ppc64le

.tekton/odh-pipeline-runtime-datascience-cpu-py312-ubi9-pull-request.yaml

@@ -36,6 +36,7 @@ spec:
   - name: build-platforms
     value:
     - linux/x86_64
+    - linux/ppc64le
     - linux/s390x
   - name: dockerfile
     value: runtimes/datascience/ubi9-python-3.12/Dockerfile.cpu

.tekton/odh-pipeline-runtime-minimal-cpu-py312-ubi9-pull-request.yaml

@@ -37,6 +37,7 @@ spec:
     value:
     - linux/x86_64
     - linux/arm64
+    - linux/ppc64le
     - linux/s390x
   - name: dockerfile
     value: runtimes/minimal/ubi9-python-3.12/Dockerfile.cpu

runtimes/datascience/ubi9-python-3.12/Dockerfile.cpu

@@ -15,6 +15,8 @@ WORKDIR /opt/app-root/bin
 # OS Packages needs to be installed as root
 USER 0
 
+ARG TARGETARCH
+
 # upgrade first to avoid fixable vulnerabilities begin
 RUN dnf -y upgrade --refresh --best --nodocs --noplugins --setopt=install_weak_deps=0 --setopt=keepcache=0 \
     && dnf clean all -y
@@ -28,11 +30,24 @@ RUN --mount=type=cache,target=/var/cache/dnf \
     if [ "$TARGETARCH" = "s390x" ]; then \
         PACKAGES="$PACKAGES gcc gcc-c++ make openssl-devel autoconf automake libtool cmake python3-devel pybind11-devel openblas-devel unixODBC-devel openssl zlib-devel"; \
     fi && \
+    if [ "$TARGETARCH" = "ppc64le" ]; then \
+        PACKAGES="$PACKAGES git gcc-toolset-13 make wget unzip rust cargo unixODBC-devel cmake ninja-build"; \
+    fi && \
     if [ -n "$PACKAGES" ]; then \
+        echo "Installing: $PACKAGES" && \
         dnf install -y $PACKAGES && \
         dnf clean all && rm -rf /var/cache/yum; \
     fi
 
+RUN if [ "$TARGETARCH" = "ppc64le" ]; then \
+        echo 'export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/' >> /etc/profile.d/ppc64le.sh && \
+        echo 'export LD_LIBRARY_PATH=/usr/local/lib64:/usr/local/lib:/usr/lib64:/usr/lib:$LD_LIBRARY_PATH' >> /etc/profile.d/ppc64le.sh && \
+        echo 'export OPENBLAS_VERSION=0.3.30' >> /etc/profile.d/ppc64le.sh && \
+        echo 'export ONNX_VERSION=1.19.0' >> /etc/profile.d/ppc64le.sh && \
+        echo 'export PATH="$HOME/.cargo/bin:$PATH"' >> /etc/profile.d/ppc64le.sh && \
+        echo 'export GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1' >> /etc/profile.d/ppc64le.sh; \
+    fi
+
 # For s390x only, set ENV vars and install Rust
 RUN if [ "$TARGETARCH" = "s390x" ]; then \
     # Install Rust and set up environment
@@ -127,6 +142,55 @@ RUN --mount=type=cache,target=/root/.cache/pip \
         mkdir -p /tmp/wheels; \
     fi
 
+###################################
+# openblas builder stage for ppc64le
+##################################
+
+FROM cpu-base AS openblas-builder
+USER root
+WORKDIR /root
+
+ARG TARGETARCH
+
+ENV OPENBLAS_VERSION=0.3.30
+
+RUN echo "openblas-builder stage TARGETARCH: ${TARGETARCH}"
+
+# Download and build OpenBLAS
+RUN if [ "$TARGETARCH" = "ppc64le" ]; then \
+        source /opt/rh/gcc-toolset-13/enable && \
+        wget https://github.com/OpenMathLib/OpenBLAS/releases/download/v${OPENBLAS_VERSION}/OpenBLAS-${OPENBLAS_VERSION}.zip && \
+        unzip OpenBLAS-${OPENBLAS_VERSION}.zip && cd OpenBLAS-${OPENBLAS_VERSION}                                            && \
+        make -j$(nproc) TARGET=POWER9 BINARY=64 USE_OPENMP=1 USE_THREAD=1 NUM_THREADS=120 DYNAMIC_ARCH=1 INTERFACE64=0; \
+    else \
+        echo "Not ppc64le, skipping OpenBLAS build" && mkdir -p /root/OpenBLAS-dummy; \
+    fi
+
+###################################
+# onnx builder stage for ppc64le
+###################################
+
+FROM cpu-base AS onnx-builder
+USER root
+WORKDIR /root
+
+ARG TARGETARCH
+ENV ONNX_VERSION=1.19.0
+
+RUN echo "onnx-builder stage TARGETARCH: ${TARGETARCH}"
+
+RUN if [ "$TARGETARCH" = "ppc64le" ]; then \
+    	source /opt/rh/gcc-toolset-13/enable && \
+    	git clone --recursive https://github.com/onnx/onnx.git && \
+    	cd onnx && git checkout v${ONNX_VERSION} && \
+    	git submodule update --init --recursive && \
+    	pip install -r requirements.txt && \
+    	export CMAKE_ARGS="-DPython3_EXECUTABLE=$(which python3.12)" && \
+    	pip wheel . -w /onnx_wheels; \
+    else \
+        echo "Not ppc64le, skipping ONNX build" && mkdir -p /onnx_wheels; \
+    fi
+
 #######################
 # runtime-datascience #
 #######################
@@ -146,6 +210,22 @@ LABEL name="odh-notebook-runtime-datascience-ubi9-python-3.12" \
     io.openshift.build.image="quay.io/opendatahub/workbench-images:runtime-datascience-ubi9-python-3.12"
 
 WORKDIR /opt/app-root/bin
+USER 0
+
+# Install ppc64le-built wheels if available
+COPY --from=openblas-builder /root/OpenBLAS-* /openblas
+COPY --from=onnx-builder /onnx_wheels /tmp/onnx_wheels
+
+RUN if [ "$TARGETARCH" = "ppc64le" ]; then \
+    	echo "Installing ppc64le ONNX wheels and OpenBLAS..." && \
+    	HOME=/root pip install /tmp/onnx_wheels/*.whl && \
+        if [ -d "/openblas" ] && [ "$(ls -A /openblas 2>/dev/null)" ]; then \
+    		PREFIX=/usr/local make -C /openblas install; \
+        fi && rm -rf /openblas /tmp/onnx_wheels; \
+    else \
+    	echo "Skipping architecture-specific wheel installs for (${TARGETARCH})" && \
+        rm -rf /tmp/wheels /openblas /tmp/onnx_wheels; \
+    fi
 
 USER 0
 # Copy wheels from build stage (s390x only)
@@ -164,7 +244,13 @@ COPY ${DATASCIENCE_SOURCE_CODE}/utils ./utils/
 
 RUN --mount=type=cache,target=/root/.cache/pip \
     echo "Installing softwares and packages" && \
-    if [ "$TARGETARCH" = "s390x" ]; then \
+    if [ "$TARGETARCH" = "ppc64le" ]; then \
+        export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig; \
+        export LD_LIBRARY_PATH=/usr/local/lib64:/usr/local/lib:/usr/lib64:/usr/lib:$LD_LIBRARY_PATH; \
+        GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1 \
+        pip install ml-dtypes && \
+        uv pip install --strict --no-deps --no-cache --no-config --no-progress --verify-hashes --compile-bytecode --index-strategy=unsafe-best-match --requirements=./pylock.toml; \
+    elif [ "$TARGETARCH" = "s390x" ]; then \
         # For s390x, we need special flags and environment variables for building packages
         GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1 \
         CFLAGS="-O3" CXXFLAGS="-O3" \