add debian 9 acceptance test

Author: bastelfreak

.travis.yml

@@ -39,6 +39,12 @@ matrix:
     env: PUPPET_INSTALL_TYPE=agent BEAKER_set="ubuntu-16.04-x86_64-docker"
     script: bundle exec rake acceptance
     bundler_args: --without development
+  - sudo: required
+    services: docker
+    rvm: 2.4.2
+    env: PUPPET_INSTALL_TYPE=agent BEAKER_set="debian-9-x86_64-docker"
+    script: bundle exec rake acceptance
+    bundler_args: --without development
 deploy:
   provider: puppetforge
   user: jsok

spec/acceptance/nodesets/debian-9-x86_64-docker.yml

@@ -0,0 +1,19 @@
+HOSTS:
+  debian-9-x64:
+    default_apply_opts:
+      order: random
+      strict_variables:
+    platform: debian-9-amd64
+    hypervisor : docker
+    # Need upstart to tests services
+    image: debian:9
+    docker_cmd: '["/sbin/init"]'
+    # This stops the image from being deleted on completion, speeding up the process.
+    docker_preserve_image: true
+    docker_image_commands:
+      - 'apt-get install -y curl unzip'
+CONFIG:
+  type: foss
+  log_level: debug
+  docker_options:
+    ssl_verify_peer: false