Merge pull request #17309 from jtattermusch/csharp_stretch_dockerfiles2

Upgrade C# testing images to debian stretch (second attempt)

src/csharp/Grpc.Core.Tests/AppDomainUnloadTest.cs

@@ -25,7 +25,7 @@ namespace Grpc.Core.Tests
 {
     public class AppDomainUnloadTest
     {
-#if NETCOREAPP1_0
+#if NETCOREAPP1_1 || NETCOREAPP2_1
         [Test]
         [Ignore("Not supported for CoreCLR")]
         public void AppDomainUnloadHookCanCleanupAbandonedCall()

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Core.Tests</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.Core.Tests</PackageId>

src/csharp/Grpc.Core.Tests/NUnitMain.cs

@@ -34,7 +34,7 @@ namespace Grpc.Core.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new ConsoleLogger());
-#if NETCOREAPP1_0
+#if NETCOREAPP1_1 || NETCOREAPP2_1
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);

src/csharp/Grpc.Core.Tests/SanityTest.cs

@@ -31,7 +31,7 @@ namespace Grpc.Core.Tests
     public class SanityTest
     {
         // TODO: make sanity test work for CoreCLR as well
-#if !NETCOREAPP1_0
+#if !NETCOREAPP1_1 && !NETCOREAPP2_1
         /// <summary>
         /// Because we depend on a native library, sometimes when things go wrong, the
         /// entire NUnit test process crashes. To be able to track down problems better,

src/csharp/Grpc.Core/Internal/NativeExtension.cs

@@ -83,13 +83,13 @@ namespace Grpc.Core.Internal
             // See https://github.com/grpc/grpc/pull/7303 for one option.
             var assemblyDirectory = Path.GetDirectoryName(GetAssemblyPath());
 
-            // With old-style VS projects, the native libraries get copied using a .targets rule to the build output folder
+            // With "classic" VS projects, the native libraries get copied using a .targets rule to the build output folder
             // alongside the compiled assembly.
             // With dotnet cli projects targeting net45 framework, the native libraries (just the required ones)
             // are similarly copied to the built output folder, through the magic of Microsoft.NETCore.Platforms.
             var classicPath = Path.Combine(assemblyDirectory, GetNativeLibraryFilename());
 
-            // With dotnet cli project targeting netcoreapp1.0, projects will use Grpc.Core assembly directly in the location where it got restored
+            // With dotnet cli project targeting netcoreappX.Y, projects will use Grpc.Core assembly directly in the location where it got restored
             // by nuget. We locate the native libraries based on known structure of Grpc.Core nuget package.
             // When "dotnet publish" is used, the runtimes directory is copied next to the published assemblies.
             string runtimesDirectory = string.Format("runtimes/{0}/native", GetPlatformString());

src/csharp/Grpc.Examples.MathClient/Grpc.Examples.MathClient.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Examples.MathClient</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.Examples.MathClient</PackageId>

src/csharp/Grpc.Examples.MathServer/Grpc.Examples.MathServer.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Examples.MathServer</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.Examples.MathServer</PackageId>

src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Examples.Tests</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.Examples.Tests</PackageId>

src/csharp/Grpc.Examples.Tests/NUnitMain.cs

@@ -34,7 +34,7 @@ namespace Grpc.Examples.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new ConsoleLogger());
-#if NETCOREAPP1_0
+#if NETCOREAPP1_1 || NETCOREAPP2_1
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);

src/csharp/Grpc.Examples/Grpc.Examples.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Examples</AssemblyName>
     <PackageId>Grpc.Examples</PackageId>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>

src/csharp/Grpc.HealthCheck.Tests/Grpc.HealthCheck.Tests.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.HealthCheck.Tests</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.HealthCheck.Tests</PackageId>

src/csharp/Grpc.HealthCheck.Tests/NUnitMain.cs

@@ -34,7 +34,7 @@ namespace Grpc.HealthCheck.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new ConsoleLogger());
-#if NETCOREAPP1_0
+#if NETCOREAPP1_1 || NETCOREAPP2_1
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);

src/csharp/Grpc.IntegrationTesting.Client/Grpc.IntegrationTesting.Client.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.IntegrationTesting.Client</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.IntegrationTesting.Client</PackageId>

src/csharp/Grpc.IntegrationTesting.QpsWorker/Grpc.IntegrationTesting.QpsWorker.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.IntegrationTesting.QpsWorker</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.IntegrationTesting.QpsWorker</PackageId>

src/csharp/Grpc.IntegrationTesting.Server/Grpc.IntegrationTesting.Server.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.IntegrationTesting.Server</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.IntegrationTesting.Server</PackageId>

src/csharp/Grpc.IntegrationTesting.StressClient/Grpc.IntegrationTesting.StressClient.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.IntegrationTesting.StressClient</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.IntegrationTesting.StressClient</PackageId>

src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.IntegrationTesting</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.IntegrationTesting</PackageId>

src/csharp/Grpc.IntegrationTesting/NUnitMain.cs

@@ -34,7 +34,7 @@ namespace Grpc.IntegrationTesting
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new ConsoleLogger());
-#if NETCOREAPP1_0
+#if NETCOREAPP1_1 || NETCOREAPP2_1
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);

src/csharp/Grpc.Microbenchmarks/Grpc.Microbenchmarks.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Microbenchmarks</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.Microbenchmarks</PackageId>

src/csharp/Grpc.Reflection.Tests/Grpc.Reflection.Tests.csproj

@@ -4,7 +4,7 @@
   <Import Project="..\Grpc.Core\Common.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <AssemblyName>Grpc.Reflection.Tests</AssemblyName>
     <OutputType>Exe</OutputType>
     <PackageId>Grpc.Reflection.Tests</PackageId>

src/csharp/Grpc.Reflection.Tests/NUnitMain.cs

@@ -34,7 +34,7 @@ namespace Grpc.Reflection.Tests
         {
             // Make logger immune to NUnit capturing stdout and stderr to workaround https://github.com/nunit/nunit/issues/1406.
             GrpcEnvironment.SetLogger(new ConsoleLogger());
-#if NETCOREAPP1_0
+#if NETCOREAPP1_1 || NETCOREAPP2_1
             return new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args, new ExtendedTextWrapper(Console.Out), Console.In);
 #else
             return new AutoRun().Execute(args);

src/csharp/Grpc.Tools.Tests/Grpc.Tools.Tests.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\Grpc.Core\Version.csproj.include" />
 
   <PropertyGroup>
-    <TargetFrameworks>net45;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net45;netcoreapp1.1</TargetFrameworks>
     <OutputType>Exe</OutputType>
   </PropertyGroup>
 

src/csharp/Grpc.Tools.Tests/NUnitMain.cs

@@ -24,7 +24,7 @@ namespace Grpc.Tools.Tests
     static class NUnitMain
     {
         public static int Main(string[] args) =>
-#if NETCOREAPP1_0 || NETCOREAPP1_1
+#if NETCOREAPP1_1 || NETCOREAPP2_1
             new AutoRun(typeof(NUnitMain).GetTypeInfo().Assembly).Execute(args);
 #else
             new AutoRun().Execute(args);

templates/tools/dockerfile/csharp_deps.include

@@ -1,24 +1,15 @@
 #================
 # C# dependencies
 
-# Update to a newer version of mono
+# cmake >=3.6 needed to build grpc_csharp_ext
-RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN apt-get update && apt-get install -y cmake && apt-get clean
-RUN echo "deb http://download.mono-project.com/repo/debian jessie main" | tee /etc/apt/sources.list.d/mono-official.list
+
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+# Install mono
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN apt-get update && apt-get install -y apt-transport-https dirmngr && apt-get clean
-
+RUN apt-key adv --no-tty --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
-# Install dependencies
+RUN echo "deb https://download.mono-project.com/repo/debian stable-stretch main" | tee /etc/apt/sources.list.d/mono-official-stable.list
-RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y ${'\\'}
+RUN apt-get update && apt-get install -y ${'\\'}
     mono-devel ${'\\'}
     ca-certificates-mono ${'\\'}
     nuget ${'\\'}
     && apt-get clean
-
-RUN nuget update -self
-
-#=================
-# Use cmake 3.6 from jessie-backports
-# needed to build grpc_csharp_ext with cmake
-
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
-RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean

templates/tools/dockerfile/csharp_dotnetcli_deps.include

@@ -1,12 +1,20 @@
-# Install dotnet SDK based on https://www.microsoft.com/net/core#debian
+# Install dotnet SDK
-RUN apt-get update && apt-get install -y curl libunwind8 gettext
+ENV DOTNET_SDK_VERSION 2.1.500
-# dotnet-dev-1.0.0-preview2-003131
+RUN curl -sSL -o dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_SDK_VERSION/dotnet-sdk-$DOTNET_SDK_VERSION-linux-x64.tar.gz ${'\\'}
-RUN curl -sSL -o dotnet100.tar.gz https://go.microsoft.com/fwlink/?LinkID=827530
+    && mkdir -p /usr/share/dotnet ${'\\'}
-RUN mkdir -p /opt/dotnet && tar zxf dotnet100.tar.gz -C /opt/dotnet
+    && tar -zxf dotnet.tar.gz -C /usr/share/dotnet ${'\\'}
-# dotnet-dev-1.0.1
+    && rm dotnet.tar.gz ${'\\'}
-RUN curl -sSL -o dotnet101.tar.gz https://go.microsoft.com/fwlink/?LinkID=843453
+    && ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet
-RUN mkdir -p /opt/dotnet && tar zxf dotnet101.tar.gz -C /opt/dotnet
+
-RUN ln -s /opt/dotnet/dotnet /usr/local/bin
+
+# Install .NET Core 1.1.10 runtime (required to run netcoreapp1.1)
+RUN curl -sSL -o dotnet_old.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Runtime/1.1.10/dotnet-debian.9-x64.1.1.10.tar.gz ${'\\'}
+    && mkdir -p dotnet_old ${'\\'}
+    && tar zxf dotnet_old.tar.gz -C dotnet_old ${'\\'}
+    && cp -r dotnet_old/shared/Microsoft.NETCore.App/1.1.10/ /usr/share/dotnet/shared/Microsoft.NETCore.App/ ${'\\'}
+    && rm -rf dotnet_old/ dotnet_old.tar.gz
+RUN apt-get update && apt-get install -y libunwind8 && apt-get clean
+
 
 # Trigger the population of the local package cache
 ENV NUGET_XMLDOC_MODE skip

templates/tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile.template

@@ -14,7 +14,7 @@
   # See the License for the specific language governing permissions and
   # limitations under the License.
   
-  FROM debian:jessie
+  FROM debian:stretch
   
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../python_deps.include"/>

templates/tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile.template

@@ -14,7 +14,7 @@
   # See the License for the specific language governing permissions and
   # limitations under the License.
   
-  FROM debian:jessie
+  FROM debian:stretch
   
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../python_deps.include"/>

templates/tools/dockerfile/test/csharp_stretch_x64/Dockerfile.template

@@ -1,6 +1,6 @@
 %YAML 1.2
 --- |
-  # Copyright 2015 gRPC authors.
+  # Copyright 2018 The gRPC Authors
   #
   # Licensed under the Apache License, Version 2.0 (the "License");
   # you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
   # See the License for the specific language governing permissions and
   # limitations under the License.
   
-  FROM debian:jessie
+  FROM debian:stretch
   
   <%include file="../../apt_get_basic.include"/>
   <%include file="../../gcp_api_libraries.include"/>

tools/dockerfile/interoptest/grpc_interop_csharp/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM debian:jessie
+FROM debian:stretch
 
 # Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
@@ -67,37 +67,36 @@ RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 t
 #================
 # C# dependencies
 
-# Update to a newer version of mono
+# cmake >=3.6 needed to build grpc_csharp_ext
-RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN apt-get update && apt-get install -y cmake && apt-get clean
-RUN echo "deb http://download.mono-project.com/repo/debian jessie main" | tee /etc/apt/sources.list.d/mono-official.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
 
-# Install dependencies
+# Install mono
-RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
+RUN apt-get update && apt-get install -y apt-transport-https dirmngr && apt-get clean
+RUN apt-key adv --no-tty --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN echo "deb https://download.mono-project.com/repo/debian stable-stretch main" | tee /etc/apt/sources.list.d/mono-official-stable.list
+RUN apt-get update && apt-get install -y \
     mono-devel \
     ca-certificates-mono \
     nuget \
     && apt-get clean
 
-RUN nuget update -self
+# Install dotnet SDK
+ENV DOTNET_SDK_VERSION 2.1.500
+RUN curl -sSL -o dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_SDK_VERSION/dotnet-sdk-$DOTNET_SDK_VERSION-linux-x64.tar.gz \
+    && mkdir -p /usr/share/dotnet \
+    && tar -zxf dotnet.tar.gz -C /usr/share/dotnet \
+    && rm dotnet.tar.gz \
+    && ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet
 
-#=================
-# Use cmake 3.6 from jessie-backports
-# needed to build grpc_csharp_ext with cmake
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+# Install .NET Core 1.1.10 runtime (required to run netcoreapp1.1)
-RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
+RUN curl -sSL -o dotnet_old.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Runtime/1.1.10/dotnet-debian.9-x64.1.1.10.tar.gz \
+    && mkdir -p dotnet_old \
+    && tar zxf dotnet_old.tar.gz -C dotnet_old \
+    && cp -r dotnet_old/shared/Microsoft.NETCore.App/1.1.10/ /usr/share/dotnet/shared/Microsoft.NETCore.App/ \
+    && rm -rf dotnet_old/ dotnet_old.tar.gz
+RUN apt-get update && apt-get install -y libunwind8 && apt-get clean
 
-# Install dotnet SDK based on https://www.microsoft.com/net/core#debian
-RUN apt-get update && apt-get install -y curl libunwind8 gettext
-# dotnet-dev-1.0.0-preview2-003131
-RUN curl -sSL -o dotnet100.tar.gz https://go.microsoft.com/fwlink/?LinkID=827530
-RUN mkdir -p /opt/dotnet && tar zxf dotnet100.tar.gz -C /opt/dotnet
-# dotnet-dev-1.0.1
-RUN curl -sSL -o dotnet101.tar.gz https://go.microsoft.com/fwlink/?LinkID=843453
-RUN mkdir -p /opt/dotnet && tar zxf dotnet101.tar.gz -C /opt/dotnet
-RUN ln -s /opt/dotnet/dotnet /usr/local/bin
 
 # Trigger the population of the local package cache
 ENV NUGET_XMLDOC_MODE skip

tools/dockerfile/interoptest/grpc_interop_csharpcoreclr/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM debian:jessie
+FROM debian:stretch
 
 # Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
@@ -67,37 +67,36 @@ RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 t
 #================
 # C# dependencies
 
-# Update to a newer version of mono
+# cmake >=3.6 needed to build grpc_csharp_ext
-RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN apt-get update && apt-get install -y cmake && apt-get clean
-RUN echo "deb http://download.mono-project.com/repo/debian jessie main" | tee /etc/apt/sources.list.d/mono-official.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
 
-# Install dependencies
+# Install mono
-RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
+RUN apt-get update && apt-get install -y apt-transport-https dirmngr && apt-get clean
+RUN apt-key adv --no-tty --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN echo "deb https://download.mono-project.com/repo/debian stable-stretch main" | tee /etc/apt/sources.list.d/mono-official-stable.list
+RUN apt-get update && apt-get install -y \
     mono-devel \
     ca-certificates-mono \
     nuget \
     && apt-get clean
 
-RUN nuget update -self
+# Install dotnet SDK
+ENV DOTNET_SDK_VERSION 2.1.500
+RUN curl -sSL -o dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_SDK_VERSION/dotnet-sdk-$DOTNET_SDK_VERSION-linux-x64.tar.gz \
+    && mkdir -p /usr/share/dotnet \
+    && tar -zxf dotnet.tar.gz -C /usr/share/dotnet \
+    && rm dotnet.tar.gz \
+    && ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet
 
-#=================
-# Use cmake 3.6 from jessie-backports
-# needed to build grpc_csharp_ext with cmake
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+# Install .NET Core 1.1.10 runtime (required to run netcoreapp1.1)
-RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
+RUN curl -sSL -o dotnet_old.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Runtime/1.1.10/dotnet-debian.9-x64.1.1.10.tar.gz \
+    && mkdir -p dotnet_old \
+    && tar zxf dotnet_old.tar.gz -C dotnet_old \
+    && cp -r dotnet_old/shared/Microsoft.NETCore.App/1.1.10/ /usr/share/dotnet/shared/Microsoft.NETCore.App/ \
+    && rm -rf dotnet_old/ dotnet_old.tar.gz
+RUN apt-get update && apt-get install -y libunwind8 && apt-get clean
 
-# Install dotnet SDK based on https://www.microsoft.com/net/core#debian
-RUN apt-get update && apt-get install -y curl libunwind8 gettext
-# dotnet-dev-1.0.0-preview2-003131
-RUN curl -sSL -o dotnet100.tar.gz https://go.microsoft.com/fwlink/?LinkID=827530
-RUN mkdir -p /opt/dotnet && tar zxf dotnet100.tar.gz -C /opt/dotnet
-# dotnet-dev-1.0.1
-RUN curl -sSL -o dotnet101.tar.gz https://go.microsoft.com/fwlink/?LinkID=843453
-RUN mkdir -p /opt/dotnet && tar zxf dotnet101.tar.gz -C /opt/dotnet
-RUN ln -s /opt/dotnet/dotnet /usr/local/bin
 
 # Trigger the population of the local package cache
 ENV NUGET_XMLDOC_MODE skip

tools/dockerfile/test/csharp_stretch_x64/Dockerfile

@@ -1,4 +1,4 @@
-# Copyright 2015 gRPC authors.
+# Copyright 2018 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM debian:jessie
+FROM debian:stretch
 
 # Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
@@ -71,37 +71,36 @@ RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.5.2.post1 six==1.10.0 t
 #================
 # C# dependencies
 
-# Update to a newer version of mono
+# cmake >=3.6 needed to build grpc_csharp_ext
-RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN apt-get update && apt-get install -y cmake && apt-get clean
-RUN echo "deb http://download.mono-project.com/repo/debian jessie main" | tee /etc/apt/sources.list.d/mono-official.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
 
-# Install dependencies
+# Install mono
-RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
+RUN apt-get update && apt-get install -y apt-transport-https dirmngr && apt-get clean
+RUN apt-key adv --no-tty --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN echo "deb https://download.mono-project.com/repo/debian stable-stretch main" | tee /etc/apt/sources.list.d/mono-official-stable.list
+RUN apt-get update && apt-get install -y \
     mono-devel \
     ca-certificates-mono \
     nuget \
     && apt-get clean
 
-RUN nuget update -self
+# Install dotnet SDK
+ENV DOTNET_SDK_VERSION 2.1.500
+RUN curl -sSL -o dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_SDK_VERSION/dotnet-sdk-$DOTNET_SDK_VERSION-linux-x64.tar.gz \
+    && mkdir -p /usr/share/dotnet \
+    && tar -zxf dotnet.tar.gz -C /usr/share/dotnet \
+    && rm dotnet.tar.gz \
+    && ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet
 
-#=================
-# Use cmake 3.6 from jessie-backports
-# needed to build grpc_csharp_ext with cmake
 
-RUN echo "deb http://ftp.debian.org/debian jessie-backports main" | tee /etc/apt/sources.list.d/jessie-backports.list
+# Install .NET Core 1.1.10 runtime (required to run netcoreapp1.1)
-RUN apt-get update && apt-get install -t jessie-backports -y cmake && apt-get clean
+RUN curl -sSL -o dotnet_old.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Runtime/1.1.10/dotnet-debian.9-x64.1.1.10.tar.gz \
+    && mkdir -p dotnet_old \
+    && tar zxf dotnet_old.tar.gz -C dotnet_old \
+    && cp -r dotnet_old/shared/Microsoft.NETCore.App/1.1.10/ /usr/share/dotnet/shared/Microsoft.NETCore.App/ \
+    && rm -rf dotnet_old/ dotnet_old.tar.gz
+RUN apt-get update && apt-get install -y libunwind8 && apt-get clean
 
-# Install dotnet SDK based on https://www.microsoft.com/net/core#debian
-RUN apt-get update && apt-get install -y curl libunwind8 gettext
-# dotnet-dev-1.0.0-preview2-003131
-RUN curl -sSL -o dotnet100.tar.gz https://go.microsoft.com/fwlink/?LinkID=827530
-RUN mkdir -p /opt/dotnet && tar zxf dotnet100.tar.gz -C /opt/dotnet
-# dotnet-dev-1.0.1
-RUN curl -sSL -o dotnet101.tar.gz https://go.microsoft.com/fwlink/?LinkID=843453
-RUN mkdir -p /opt/dotnet && tar zxf dotnet101.tar.gz -C /opt/dotnet
-RUN ln -s /opt/dotnet/dotnet /usr/local/bin
 
 # Trigger the population of the local package cache
 ENV NUGET_XMLDOC_MODE skip

tools/run_tests/run_interop_tests.py

@@ -141,8 +141,8 @@ class CSharpLanguage:
 class CSharpCoreCLRLanguage:
 
     def __init__(self):
-        self.client_cwd = 'src/csharp/Grpc.IntegrationTesting.Client/bin/Debug/netcoreapp1.0'
+        self.client_cwd = 'src/csharp/Grpc.IntegrationTesting.Client/bin/Debug/netcoreapp1.1'
-        self.server_cwd = 'src/csharp/Grpc.IntegrationTesting.Server/bin/Debug/netcoreapp1.0'
+        self.server_cwd = 'src/csharp/Grpc.IntegrationTesting.Server/bin/Debug/netcoreapp1.1'
         self.safename = str(self)
 
     def client_cmd(self, args):

tools/run_tests/run_tests.py

@@ -942,7 +942,7 @@ class CSharpLanguage(object):
             self._cmake_arch_option = 'x64'
         else:
             _check_compiler(self.args.compiler, ['default', 'coreclr'])
-            self._docker_distro = 'jessie'
+            self._docker_distro = 'stretch'
 
     def test_specs(self):
         with open('src/csharp/tests.json') as f:
@@ -954,7 +954,7 @@ class CSharpLanguage(object):
         assembly_extension = '.exe'
 
         if self.args.compiler == 'coreclr':
-            assembly_subdir += '/netcoreapp1.0'
+            assembly_subdir += '/netcoreapp1.1'
             runtime_cmd = ['dotnet', 'exec']
             assembly_extension = '.dll'
         else: