Add ruby distrib tests that uses ruby 2.0.0

tools/dockerfile/distribtest/ruby_jessie_x64_ruby_2_0_0/Dockerfile

@@ -0,0 +1,40 @@
+# 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 debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  curl \
+  gcc && apt-get clean
+
+#==================
+# Ruby dependencies
+
+# Install rvm
+RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+RUN \curl -sSL https://get.rvm.io | bash -s stable
+
+# Install Ruby 2.1
+RUN /bin/bash -l -c "rvm install ruby-2.0"
+RUN /bin/bash -l -c "rvm use --default ruby-2.0"
+RUN /bin/bash -l -c "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
+RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc"
+RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.0' >> ~/.bashrc"
+RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]

tools/run_tests/artifacts/distribtest_targets.py

@@ -174,11 +174,13 @@ class PythonDistribTest(object):
 class RubyDistribTest(object):
     """Tests Ruby package"""
 
-    def __init__(self, platform, arch, docker_suffix):
-        self.name = 'ruby_%s_%s_%s' % (platform, arch, docker_suffix)
+    def __init__(self, platform, arch, docker_suffix, ruby_version=None):
+        self.name = 'ruby_%s_%s_%s_version_%s' % (platform, arch, docker_suffix,
+                                                  ruby_version or 'unspecified')
         self.platform = platform
         self.arch = arch
         self.docker_suffix = docker_suffix
+        self.ruby_version = ruby_version
         self.labels = ['distribtest', 'ruby', platform, arch, docker_suffix]
 
     def pre_build_jobspecs(self):
@@ -192,10 +194,13 @@ class RubyDistribTest(object):
         if not self.platform == 'linux':
             raise Exception("Not supported yet.")
 
+        dockerfile_name = 'tools/dockerfile/distribtest/ruby_%s_%s' % (
+            self.docker_suffix, self.arch)
+        if self.ruby_version is not None:
+            dockerfile_name += '_%s' % self.ruby_version
         return create_docker_jobspec(
             self.name,
-            'tools/dockerfile/distribtest/ruby_%s_%s' % (self.docker_suffix,
-                                                         self.arch),
+            dockerfile_name,
             'test/distrib/ruby/run_distrib_test.sh %s %s' %
             (arch_to_gem_arch[self.arch], self.platform),
             copy_rel_path='test/distrib')
@@ -314,6 +319,7 @@ def targets():
         RubyDistribTest('linux', 'x64', 'wheezy'),
         RubyDistribTest('linux', 'x64', 'jessie'),
         RubyDistribTest('linux', 'x86', 'jessie'),
+        RubyDistribTest('linux', 'x64', 'jessie', ruby_version='ruby_2_0_0'),
         RubyDistribTest('linux', 'x64', 'centos6'),
         RubyDistribTest('linux', 'x64', 'centos7'),
         RubyDistribTest('linux', 'x64', 'fedora20'),