Test against latest td-agent versions

Author: errm

Rakefile

@@ -22,12 +22,7 @@ namespace :docker do
   distros.each do |distro|
     task distro do
       puts "testing on #{distro}"
-      begin
-        FileUtils.cp("test/docker/Dockerfile.#{distro}", 'Dockerfile')
-        sh 'docker build .'
-      ensure
-        FileUtils.rm('Dockerfile')
-      end
+      sh "docker build . -f test/docker/Dockerfile.#{distro}"
     end
   end
 end

test/docker/Dockerfile.tdagent-centos

@@ -1,8 +1,8 @@
-FROM centos:7.1.1503
+FROM centos:7
 
 RUN yum remove -y fakesystemd \
       && rpm --import https://packages.treasuredata.com/GPG-KEY-td-agent \
-      && printf "[treasuredata]\nname=TreasureData\nbaseurl=http://packages.treasuredata.com/2/redhat/\$releasever/\$basearch\ngpgcheck=1\ngpgkey=https://packages.treasuredata.com/GPG-KEY-td-agent\n" > /etc/yum.repos.d/td.repo \
+      && printf "[treasuredata]\nname=TreasureData\nbaseurl=http://packages.treasuredata.com/3/redhat/\$releasever/\$basearch\ngpgcheck=1\ngpgkey=https://packages.treasuredata.com/GPG-KEY-td-agent\n" > /etc/yum.repos.d/td.repo \
       && yum install -y td-agent make gcc-c++ systemd
 
 ENV PATH /opt/td-agent/embedded/bin/:$PATH
@@ -12,4 +12,4 @@ COPY Gemfile ./
 COPY fluent-plugin-systemd.gemspec ./
 RUN bundle install
 COPY . .
-RUN rake test TESTOPTS="-v"
+RUN bundle exec rake test TESTOPTS="-v"

test/docker/Dockerfile.tdagent-ubuntu

@@ -7,7 +7,7 @@ RUN apt-get update -q \
         ca-certificates \
         libsystemd0 \
       && curl https://packages.treasuredata.com/GPG-KEY-td-agent | apt-key add - \
-      && echo "deb http://packages.treasuredata.com/2/ubuntu/xenial/ xenial contrib" > /etc/apt/sources.list.d/treasure-data.list \
+      && echo "deb http://packages.treasuredata.com/3/ubuntu/xenial/ xenial contrib" > /etc/apt/sources.list.d/treasure-data.list \
       && apt-get update \
       && apt-get install -y td-agent \
       && apt-get clean \
@@ -22,4 +22,4 @@ COPY Gemfile ./
 COPY fluent-plugin-systemd.gemspec ./
 RUN bundle check || bundle install
 COPY . .
-RUN rake test TESTOPTS="-v"
+RUN bundle exec rake test TESTOPTS="-v"