Use latest grpc version (v1.39.0) for cmake build of otlp exporter.

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
         ./ci/do_ci.sh cmake.abseil.test
 
   cmake_gcc_48_test:
-    name: CMake gcc 4.8
+    name: CMake gcc 4.8 (without otlp exporter)
     runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v2
@@ -59,6 +59,29 @@ jobs:
         CC: /usr/bin/gcc-4.8
         CXX: /usr/bin/g++-4.8
 
+  cmake_gcc_48_otlp_exporter_test:
+    name: CMake gcc 4.8 (with otlp exporter)
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
+    - name: setup
+      run: |
+        sudo ./ci/setup_ci_environment.sh
+        sudo ./ci/install_gcc48.sh
+    - name: setup cmake
+      run: |
+        sudo CC=/usr/bin/gcc-4.8 CXX=/usr/bin/g++-4.8 ./ci/setup_cmake.sh
+    - name: setup grpc
+      run: |
+        sudo CC=/usr/bin/gcc-4.8 CXX=/usr/bin/g++-4.8 ./ci/setup_grpc.sh -v 4.8
+    - name: run tests
+      run: ./ci/do_ci.sh cmake.legacy.exporter.otprotocol.test
+      env:
+        CC: /usr/bin/gcc-4.8
+        CXX: /usr/bin/g++-4.8
+
   cmake_test_cxx20:
     name: CMake C++20 test
     runs-on: ubuntu-20.04

ci/do_ci.sh

@@ -92,6 +92,22 @@ elif [[ "$1" == "cmake.legacy.test" ]]; then
   make
   make test
   exit 0
+elif [[ "$1" == "cmake.legacy.exporter.otprotocol.test" ]]; then
+  cd "${BUILD_DIR}"
+  rm -rf *
+  export BUILD_ROOT="${BUILD_DIR}"
+  ${SRC_DIR}/tools/build-gtest.sh
+  ${SRC_DIR}/tools/build-benchmark.sh
+  cmake -DCMAKE_BUILD_TYPE=Debug  \
+        -DCMAKE_CXX_STANDARD=11 \
+        -DWITH_OTLP=ON \
+        "${SRC_DIR}"
+  grpc_cpp_plugin=`which grpc_cpp_plugin`
+  proto_make_file="CMakeFiles/opentelemetry_proto.dir/build.make"
+  sed -i "s~gRPC_CPP_PLUGIN_EXECUTABLE-NOTFOUND~$grpc_cpp_plugin~" ${proto_make_file} #fixme
+  make -j $(nproc)
+  cd exporters/otlp && make test
+  exit 0
 elif [[ "$1" == "cmake.exporter.otprotocol.test" ]]; then
   cd "${BUILD_DIR}"
   rm -rf *

ci/setup_grpc.sh

@@ -5,26 +5,57 @@
 
 set -e
 export DEBIAN_FRONTEND=noninteractive
+old_grpc_version='v1.33.2'
+new_grpc_version='v1.39.0'
+gcc_version_for_new_grpc='5.1'
+install_grpc_version=${new_grpc_version}
+grpc_version='v1.39.0'
+usage() { echo "Usage: $0 -v <gcc-version>" 1>&2; exit 1; }
 
+while getopts ":v:" o; do
+    case "${o}" in
+        v)
+            gcc_version=${OPTARG}
+            ;;
+        *)
+            usage
+            ;;
+    esac
+done
+if [ -z "${gcc_version}" ]; then
+    gcc_version=`gcc --version | awk '/gcc/  {print $NF}'`
+fi
+if [[ "${gcc_version}" < "${gcc_version_for_new_grpc}" ]]; then
+    echo "less"
+    install_grpc_version=${old_grpc_version}
+fi
 if ! type cmake > /dev/null; then
     #cmake not installed, exiting
     exit 1
 fi
 export BUILD_DIR=/tmp/
 export INSTALL_DIR=/usr/local/
 pushd $BUILD_DIR
-git clone --depth=1 -b v1.34.0 https://github.com/grpc/grpc
-cd grpc
+echo "installing grpc version: ${install_grpc_version}"
+git clone --depth=1 -b ${install_grpc_version} https://github.com/grpc/grpc
+pushd grpc
 git submodule init
 git submodule update --depth 1
-mkdir -p cmake/build
-pushd cmake/build
+mkdir -p "third_party/abseil-cpp/build" && pushd "third_party/abseil-cpp/build"
+cmake -DCMAKE_BUILD_TYPE=Release  \
+      -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE \
+      -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR ..
+make -j${nproc} install && popd
+mkdir -p build && pushd build
 cmake -DgRPC_INSTALL=ON \
+    -DCMAKE_CXX_STANDARD=11 \
     -DgRPC_BUILD_TESTS=OFF \
     -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR \
-    ../..
+    -DCMAKE_PREFIX_PATH=$INSTALL_DIR \
+    ..
 make -j $(nproc)
 make install
 popd
 popd
+
 export PATH=${INSTALL_DIR}/bin:$PATH  # ensure to use the installed grpc