Add working Node artifact builder for all platforms
diff --git a/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile b/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
index de40247..41dd1ea 100644
--- a/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
+++ b/tools/dockerfile/grpc_artifact_linux_x64/Dockerfile
@@ -58,6 +58,11 @@
   wget \
   zip && apt-get clean
 
+# Install Node dependencies
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 4 && npm install -g node-pre-gyp"
+
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile b/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile
index 774b452..0722efb 100644
--- a/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile
+++ b/tools/dockerfile/grpc_artifact_linux_x86/Dockerfile
@@ -58,6 +58,11 @@
   wget \
   zip && apt-get clean
 
+# Install Node dependencies
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 4 && npm install -g node-pre-gyp"
+
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/jenkins/docker_run.sh b/tools/jenkins/docker_run.sh
index 1905926..7b8119a 100755
--- a/tools/jenkins/docker_run.sh
+++ b/tools/jenkins/docker_run.sh
@@ -38,4 +38,6 @@
 
 cd /var/local/git/grpc
 
+nvm use 4
+
 $RUN_COMMAND
diff --git a/tools/run_tests/artifact_targets.py b/tools/run_tests/artifact_targets.py
index a34fa8e..1061dcc 100644
--- a/tools/run_tests/artifact_targets.py
+++ b/tools/run_tests/artifact_targets.py
@@ -62,7 +62,7 @@
           cmdline=cmdline,
           environ=environ,
           shortname='build_artifact.%s' % (name),
-          timeout_seconds=5*60,
+          timeout_seconds=10*60,
           flake_retries=flake_retries,
           timeout_retries=timeout_retries,
           shell=shell)
@@ -126,12 +126,45 @@
   def __str__(self):
     return self.name
 
+node_gyp_arch_map = {
+  'x86': 'ia32',
+  'x64': 'x64'
+}
+
+class NodeExtArtifact:
+  """Builds Node native extension"""
+
+  def __init__(self, platform, arch):
+    self.name = 'node_ext_{0}_{1}'.format(platform, arch)
+    self.platform = platform
+    self.arch = arch
+    self.gyp_arch = node_gyp_arch_map[arch]
+    self.labels = ['artifact', 'node', platform, arch]
+
+  def pre_build_jobspecs(self):
+    return []
+
+  def build_jobspec(self):
+    if self.platform == 'windows':
+      return create_jobspec(self.name,
+                            ['tools\\run_tests\\build_artifact_node.bat',
+                             self.gyp_arch],
+                            shell=True)
+    else:
+      if self.platform == 'linux':
+        return create_docker_jobspec(
+            self.name,
+            'tools/dockerfile/grpc_artifact_linux_{}'.format(self.arch),
+            'tools/run_tests/build_artifact_node.sh {}'.format(self.gyp_arch))
+      else:
+        return create_jobspec(self.name,
+                              ['tools/run_tests/build_artifact_node.sh',
+                               self.gyp_arch])
+
 
 def targets():
   """Gets list of supported targets"""
-  return [CSharpExtArtifact('linux', 'x86'),
-          CSharpExtArtifact('linux', 'x64'),
-          CSharpExtArtifact('macos', 'x86'),
-          CSharpExtArtifact('macos', 'x64'),
-          CSharpExtArtifact('windows', 'x86'),
-          CSharpExtArtifact('windows', 'x64')]
+  return [Cls(platform, arch)
+          for Cls in (CSharpExtArtifact, NodeExtArtifact)
+          for platform in ('linux', 'macos', 'windows')
+          for arch in ('x86', 'x64')]
diff --git a/tools/run_tests/build_artifact_node.bat b/tools/run_tests/build_artifact_node.bat
new file mode 100644
index 0000000..f150bb1
--- /dev/null
+++ b/tools/run_tests/build_artifact_node.bat
@@ -0,0 +1,55 @@
+@rem Copyright 2016, Google Inc.
+@rem All rights reserved.
+@rem
+@rem Redistribution and use in source and binary forms, with or without
+@rem modification, are permitted provided that the following conditions are
+@rem met:
+@rem
+@rem     * Redistributions of source code must retain the above copyright
+@rem notice, this list of conditions and the following disclaimer.
+@rem     * Redistributions in binary form must reproduce the above
+@rem copyright notice, this list of conditions and the following disclaimer
+@rem in the documentation and/or other materials provided with the
+@rem distribution.
+@rem     * Neither the name of Google Inc. nor the names of its
+@rem contributors may be used to endorse or promote products derived from
+@rem this software without specific prior written permission.
+@rem
+@rem THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+@rem "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+@rem LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+@rem A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+@rem OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+@rem SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+@rem LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+@rem DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+@rem THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+@rem (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+@rem OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set node_versions=0.10.41 0.12.0 1.0.0 1.1.0 2.0.0 3.0.0 4.0.0 5.0.0
+
+set PATH=%PATH%;C:\Program Files\nodejs\;%APPDATA%\npm
+
+del /f /q BUILD || rmdir build /s /q
+
+call npm update || goto :error
+
+mkdir artifacts
+
+for %%v in (%node_versions%) do (
+  call node-pre-gyp configure build --target=%%v --target_arch=%1
+
+@rem Try again after removing openssl headers
+  rmdir "%HOMEDRIVE%%HOMEPATH%\.node-gyp\%%v\include\node\openssl" /S /Q
+  rmdir "%HOMEDRIVE%%HOMEPATH%\.node-gyp\iojs-%%v\include\node\openssl" /S /Q
+  call node-pre-gyp build package testpackage --target=%%v --target_arch=%1 || goto :error
+
+  xcopy /Y /I /S build\stage\* artifacts\ || goto :error
+)
+if %errorlevel% neq 0 exit /b %errorlevel%
+
+goto :EOF
+
+:error
+exit /b 1
\ No newline at end of file
diff --git a/tools/run_tests/build_artifact_node.sh b/tools/run_tests/build_artifact_node.sh
new file mode 100755
index 0000000..ec3fb64
--- /dev/null
+++ b/tools/run_tests/build_artifact_node.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+cd $(dirname $0)/../..
+
+rm -rf build
+
+mkdir -p artifacts
+
+npm update
+
+node_versions=( 0.10.41 0.12.0 1.0.0 1.1.0 2.0.0 3.0.0 4.0.0 5.0.0 )
+
+for version in ${node_versions[@]}
+do
+  node-pre-gyp configure rebuild package testpackage --target=$version --target_arch=$1
+  cp -r build/stage/* artifacts/
+done