Merge pull request #15318 from jtattermusch/android_csharp_artifact

Build grpc_csharp_ext C# android artifact

src/csharp/experimental/build_native_ext_for_android.sh

@@ -23,7 +23,7 @@ mkdir -p build
 cd build
 
 # set to the location where Android SDK is installed
-ANDROID_NDK_PATH="$HOME/android-ndk-r16b"
+# e.g. ANDROID_NDK_PATH="$HOME/android-ndk-r16b"
 
 cmake ../.. \
   -DCMAKE_SYSTEM_NAME=Android \

tools/dockerfile/grpc_artifact_android_ndk/Dockerfile

@@ -0,0 +1,68 @@
+# Copyright 2016 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Docker file for building gRPC artifacts.
+
+# Recent enough cmake (>=3.9) needed by Android SDK
+FROM debian:sid
+
+RUN apt-get update && apt-get install -y debian-keyring && apt-key update
+
+# Install Git and basic packages.
+RUN apt-get update && apt-key update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  clang \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+# Cmake for cross-compilation
+RUN apt-get update && apt-get install -y cmake golang && apt-get clean
+
+##################
+# Android NDK
+
+# Download and install Android NDK
+RUN wget -q https://dl.google.com/android/repository/android-ndk-r16b-linux-x86_64.zip -O android_ndk.zip \
+    && unzip -q android_ndk.zip \
+    && rm android_ndk.zip \
+    && mv ./android-ndk-r16b /opt
+ENV ANDROID_NDK_PATH /opt/android-ndk-r16b
+
+RUN apt-get update && apt-get install -y libpthread-stubs0-dev && apt-get clean
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]

tools/run_tests/artifacts/artifact_targets.py

@@ -222,7 +222,13 @@ class CSharpExtArtifact:
         return []
 
     def build_jobspec(self):
-        if self.platform == 'windows':
+        if self.arch == 'android':
+            return create_docker_jobspec(
+                self.name,
+                'tools/dockerfile/grpc_artifact_android_ndk',
+                'tools/run_tests/artifacts/build_artifact_csharp_android.sh',
+                environ={})
+        elif self.platform == 'windows':
             cmake_arch_option = 'Win32' if self.arch == 'x86' else self.arch
             return create_jobspec(
                 self.name, [
@@ -342,6 +348,7 @@ def targets():
         for Cls in (CSharpExtArtifact, ProtocArtifact)
         for platform in ('linux', 'macos', 'windows') for arch in ('x86', 'x64')
     ] + [
+        CSharpExtArtifact('linux', 'android'),
         PythonArtifact('linux', 'x86', 'cp27-cp27m'),
         PythonArtifact('linux', 'x86', 'cp27-cp27mu'),
         PythonArtifact('linux', 'x86', 'cp34-cp34m'),

tools/run_tests/artifacts/build_artifact_csharp_android.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Copyright 2016 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -ex
+
+cd "$(dirname "$0")/../../.."
+
+src/csharp/experimental/build_native_ext_for_android.sh
+
+mkdir -p "${ARTIFACTS_OUT}"
+cp cmake/build/libgrpc_csharp_ext.so "${ARTIFACTS_OUT}"