ci(libseekdb): detect runner Python first, install if not usable; set OB_CCACHE in workflow

Author: dengfuping

.github/workflows/build-libseekdb.yml

@@ -93,12 +93,18 @@ jobs:
             ${{ matrix.container_image }} \
             bash -c '
               set -e
-              yum install -y git wget rpm cpio make glibc-devel glibc-headers binutils m4 python3 libtool libaio ncurses-devel which zlib-devel ccache 2>/dev/null || true
+              yum install -y git wget rpm cpio make glibc-devel glibc-headers binutils m4 python3 python3-devel libtool libaio ncurses-devel which zlib-devel ccache 2>/dev/null || true
               git config --global --add safe.directory "$GITHUB_WORKSPACE"
               export PATH="$GITHUB_WORKSPACE/deps/3rd/usr/local/oceanbase/devtools/bin:$PATH"
               export CCACHE_DIR="$GITHUB_WORKSPACE/.ccache"
+              export OB_CCACHE=$(which ccache)
               bash build.sh init
-              PYVER=$(python3 -c "import sys; print(f\"{sys.version_info.major}.{sys.version_info.minor}\")")
+              if [ -x /opt/python/cp39-cp39/bin/python3.9 ]; then
+                export PATH="/opt/python/cp39-cp39/bin:$PATH"
+                PYVER=3.9
+              else
+                PYVER=$(python3 -c "import sys; print(f\"{sys.version_info.major}.{sys.version_info.minor}\")")
+              fi
               bash build.sh release --init -DOB_USE_CCACHE=ON -DBUILD_EMBED_MODE=ON -DPYTHON_VERSION=$PYVER
               cd build_release && make -j$(nproc) libseekdb
               cd package/libseekdb && bash libseekdb-build.sh "$GITHUB_WORKSPACE/build_release/src/include"
@@ -135,7 +141,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install macOS dependencies
-        run: brew install cmake dylibbundler googletest || true
+        run: brew install cmake dylibbundler googletest ccache || true
 
       - name: Cache deps (macOS)
         uses: actions/cache@v4
@@ -163,6 +169,7 @@ jobs:
           CMAKE_OSX_ARCHITECTURES: ${{ matrix.cmake_arch }}
           CCACHE_DIR: ${{ github.workspace }}/.ccache
         run: |
+          export OB_CCACHE=$(which ccache)
           bash build.sh release --init -DOB_USE_CCACHE=ON -DBUILD_EMBED_MODE=ON -DCMAKE_OSX_ARCHITECTURES=${{ matrix.cmake_arch }} -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0
           cd build_release && make -j$(sysctl -n hw.ncpu) libseekdb