attempt to add alpine C# distribtest

test/distrib/csharp/DistribTest/DistribTestDotNet.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>netcoreapp1.0;net45</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
     <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
     <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
     <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>

test/distrib/csharp/run_distrib_test_dotnetcli.sh

@@ -28,19 +28,24 @@ cd DistribTest
 dotnet restore DistribTestDotNet.csproj
 
 dotnet build DistribTestDotNet.csproj
-dotnet publish -f netcoreapp1.0 DistribTestDotNet.csproj
-dotnet publish -f net45 DistribTestDotNet.csproj
+dotnet publish -f netcoreapp2.1 DistribTestDotNet.csproj
+#dotnet publish -f net45 DistribTestDotNet.csproj
 
 ls -R bin
 
+#ldd /root/.nuget/packages/grpc.core/*/lib/netstandard1.5/../../runtimes/linux/native/libgrpc_csharp_ext.x64.so
+
+#ldd /root/.nuget/packages/grpc.tools/*/tools/linux_x64/grpc_csharp_plugin
+
+#exit 1
 # .NET 4.5 target after dotnet build
-mono bin/Debug/net45/publish/DistribTestDotNet.exe
+#mono bin/Debug/net45/publish/DistribTestDotNet.exe
 
 # .NET 4.5 target after dotnet publish
-mono bin/Debug/net45/publish/DistribTestDotNet.exe
+#mono bin/Debug/net45/publish/DistribTestDotNet.exe
 
 # .NET Core target after dotnet build
-dotnet exec bin/Debug/netcoreapp1.0/DistribTestDotNet.dll
+dotnet exec bin/Debug/netcoreapp2.1/DistribTestDotNet.dll
 
 # .NET Core target after dotnet publish
-dotnet exec bin/Debug/netcoreapp1.0/publish/DistribTestDotNet.dll
+dotnet exec bin/Debug/netcoreapp2.1/publish/DistribTestDotNet.dll

tools/dockerfile/distribtest/csharp_alpine_x64/Dockerfile

@@ -0,0 +1,24 @@
+# Copyright 2015 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.
+
+FROM microsoft/dotnet:2.1-sdk-alpine
+
+RUN apk update && apk add bash
+RUN apk update && apk add unzip
+
+# needed to satisfy the "ld-linux-x86-64.so.2" dependency
+RUN apk add libc6-compat
+
+#RUN apk add libnsl
+#RUN cp /usr/lib/libnsl.so.2 /usr/lib/libnsl.so.1

tools/run_tests/artifacts/distribtest_targets.py

@@ -309,6 +309,7 @@ def targets():
         CSharpDistribTest('linux', 'x64', 'ubuntu1404'),
         CSharpDistribTest('linux', 'x64', 'ubuntu1604'),
         CSharpDistribTest('linux', 'x64', 'ubuntu1404', use_dotnet_cli=True),
+        CSharpDistribTest('linux', 'x64', 'alpine', use_dotnet_cli=True),
         CSharpDistribTest('macos', 'x86'),
         CSharpDistribTest('windows', 'x86'),
         CSharpDistribTest('windows', 'x64'),