Merge pull request #10 from nexthop-ai/anna-nexthop.distro_build_script

[Nexthop] add distro image RPM build helper

Author: Scott8440

distro_build.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+# Build the FBOSS BSP within the Distro Image framework
+
+set -e
+
+SPEC_FILE="rpmbuild/fboss_bsp_kmods.spec"
+
+# Install build dependencies for the spec
+dnf builddep -y --spec "$SPEC_FILE"
+
+# Use gcc-toolset-12 for the build
+sudo update-alternatives --set gcc /opt/rh/gcc-toolset-12/root/usr/bin/gcc
+source /opt/rh/gcc-toolset-12/enable
+
+echo "Setting up RPM build environment in $FBOSS_BSP_DIR/rpmbuild..."
+
+# Get the absolute path to the fboss-bsp directory and switch to it
+FBOSS_BSP_DIR="$(dirname "$(readlink -f "$0")")"
+cd "$FBOSS_BSP_DIR"
+
+# Create RPM build directory structure
+mkdir -p rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
+rm -rf rpmbuild/RPMS/*
+
+# Copy spec file to SPECS directory
+cp "$SPEC_FILE" rpmbuild/SPECS/
+
+# Create source tarball from kmods
+mkdir -p rpmbuild/SOURCES/fboss-bsp/kmods
+NAME="fboss_bsp_kmods"
+VERSION=$(grep '^Version:' "$SPEC_FILE" | awk '{print $2}')
+
+tar -czvf "rpmbuild/SOURCES/${NAME}-${VERSION}.tar.gz" \
+  --transform "s,^,fboss_bsp_kmods-${VERSION}/," \
+  kmods/
+
+# Build the RPM
+rpmbuild -ba rpmbuild/SPECS/"$(basename "$SPEC_FILE")" --define "_topdir $FBOSS_BSP_DIR/rpmbuild"
+
+RPM_PATH=$(find rpmbuild/RPMS -name "*.rpm" | head -1)
+
+if [ -n "$RPM_PATH" ]; then
+  echo "RPM built successfully: $RPM_PATH"
+else
+  echo "Error: RPM build failed or RPM not found"
+  exit 1
+fi
+
+# Package the built RPMs into /output tarball for the Distro image
+cd rpmbuild/RPMS/*
+tar -cf /output/bsp-fboss.tar --strip-components=3 *.rpm