proof of concept ARM64 support

assets.json

@@ -29,6 +29,12 @@
         "version": "<AGENT_VERSION>",
         "downloadUrl": "https://vstsagentpackage.azureedge.net/agent/<AGENT_VERSION>/vsts-agent-linux-arm-<AGENT_VERSION>.tar.gz"
     },
+    {
+        "name": "vsts-agent-linux-arm64-<AGENT_VERSION>.tar.gz",
+        "platform": "linux-arm64",
+        "version": "<AGENT_VERSION>",
+        "downloadUrl": "https://vstsagentpackage.azureedge.net/agent/<AGENT_VERSION>/vsts-agent-linux-arm64-<AGENT_VERSION>.tar.gz"
+    },
     {
         "name": "vsts-agent-rhel.6-x64-<AGENT_VERSION>.tar.gz",
         "platform": "rhel.6-x64",

src/Agent.Listener/Agent.Listener.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -57,6 +57,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -66,4 +69,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Agent.PluginHost/Agent.PluginHost.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -51,6 +51,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -60,4 +63,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Agent.Plugins/Agent.Plugins.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -52,6 +52,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -61,4 +64,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Agent.Sdk/Agent.Sdk.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -49,6 +49,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -58,4 +61,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Agent.Worker/Agent.Worker.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -54,6 +54,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -63,4 +66,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Microsoft.VisualStudio.Services.Agent/Microsoft.VisualStudio.Services.Agent.csproj

@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -55,6 +55,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -64,4 +67,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Microsoft.VisualStudio.Services.Agent/Util/VarUtil.cs

@@ -57,6 +57,8 @@ public static string OSArchitecture
                         return "X64";
                     case Constants.Architecture.Arm:
                         return "ARM";
+                    case Constants.Architecture.Arm64:
+                        return "ARM64";
                     default:
                         throw new NotSupportedException(); // Should never reach here.
                 }

src/Misc/externals.sh

@@ -163,7 +163,7 @@ if [[ "$PACKAGERUNTIME" == "osx-x64" ]]; then
 fi
 
 # Download the external tools common across OSX and Linux PACKAGERUNTIMEs.
-if [[ "$PACKAGERUNTIME" == "linux-x64" || "$PACKAGERUNTIME" == "linux-arm" || "$PACKAGERUNTIME" == "osx-x64" || "$PACKAGERUNTIME" == "rhel.6-x64" ]]; then
+if [[ "$PACKAGERUNTIME" == "linux-x64" || "$PACKAGERUNTIME" == "linux-arm" || "$PACKAGERUNTIME" == "linux-arm64" || "$PACKAGERUNTIME" == "osx-x64" || "$PACKAGERUNTIME" == "rhel.6-x64" ]]; then
     acquireExternalTool "$CONTAINER_URL/tee/14_134_0/TEE-CLC-14.134.0.zip" tee fix_nested_dir
     acquireExternalTool "$CONTAINER_URL/vso-task-lib/0.5.5/vso-task-lib.tar.gz" vso-task-lib
 fi
@@ -178,3 +178,8 @@ if [[ "$PACKAGERUNTIME" == "linux-arm" ]]; then
     acquireExternalTool "$NODE_URL/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-armv7l.tar.gz" node fix_nested_dir
     acquireExternalTool "$NODE_URL/v${NODE10_VERSION}/node-v${NODE10_VERSION}-linux-armv7l.tar.gz" node10 fix_nested_dir	
 fi
+
+if [[ "$PACKAGERUNTIME" == "linux-arm64" ]]; then
+    acquireExternalTool "$NODE_URL/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-arm64.tar.gz" node fix_nested_dir
+    acquireExternalTool "$NODE_URL/v${NODE10_VERSION}/node-v${NODE10_VERSION}-linux-arm64.tar.gz" node10 fix_nested_dir	
+fi

src/Test/L0/ConstantGenerationL0.cs

@@ -17,6 +17,7 @@ public void BuildConstantGenerateSucceed()
                 "win-x86",
                 "linux-x64",
                 "linux-arm",
+                "linux-arm64",
                 "rhel.6-x64",
                 "osx-x64"
             };

src/Test/Test.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603;NU1603;</NoWarn>
@@ -60,6 +60,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -69,4 +72,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/dev.sh

@@ -16,7 +16,7 @@ LAYOUT_DIR="$SCRIPT_DIR/../_layout"
 DOWNLOAD_DIR="$SCRIPT_DIR/../_downloads/netcore2x"
 PACKAGE_DIR="$SCRIPT_DIR/../_package"
 DOTNETSDK_ROOT="$SCRIPT_DIR/../_dotnetsdk"
-DOTNETSDK_VERSION="2.1.403"
+DOTNETSDK_VERSION="3.0.100-preview5-011568"
 DOTNETSDK_INSTALLDIR="$DOTNETSDK_ROOT/$DOTNETSDK_VERSION"
 AGENT_VERSION=$(cat agentversion)
 
@@ -43,7 +43,7 @@ elif [[ "$CURRENT_PLATFORM" == 'linux' ]]; then
       CPU_NAME=$(uname -m)
       case $CPU_NAME in
          armv7l) RUNTIME_ID="linux-arm";;
-         aarch64) RUNTIME_ID="linux-arm";;
+         aarch64) RUNTIME_ID="linux-arm64";;
       esac
    fi
 
@@ -68,7 +68,7 @@ if [[ "$CURRENT_PLATFORM" == 'windows' ]]; then
       exit 1
    fi
 elif [[ "$CURRENT_PLATFORM" == 'linux' ]]; then
-   if [[ ("$RUNTIME_ID" != 'linux-x64') && ("$RUNTIME_ID" != 'linux-arm') && ("$RUNTIME_ID" != 'rhel.6-x64') ]]; then
+   if [[ ("$RUNTIME_ID" != 'linux-x64') && ("$RUNTIME_ID" != 'linux-arm') && ("$RUNTIME_ID" != 'linux-arm64') && ("$RUNTIME_ID" != 'rhel.6-x64') ]]; then
       echo "Failed: Can't build $RUNTIME_ID package $CURRENT_PLATFORM" >&2
       exit 1
    fi