[WIP] add test to validate vault upgrade

.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/class_spec.rb

@@ -107,5 +107,44 @@ class { '::vault':
     describe port(8200) do
       it { is_expected.to be_listening.on('127.0.0.1').with('tcp') }
     end
+    describe command('vault version') do
+      its(:stdout) { is_expected.to match %r{v0\.10\.0} }
+    end
+  end
+
+  # we will test if we can update vault to another version
+  context 'updated vault version' do
+    it 'works idempotently with no errors' do
+      pp = <<-MANIFEST
+      class { 'vault':
+        version => '0.10.1',
+        storage => {
+          file => {
+            path => '/tmp',
+          }
+        },
+        listener => [{
+          tcp => {
+            address => '127.0.0.1:8200',
+            tls_disable => 1,
+          }
+        }]
+      }
+      MANIFEST
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+    end
+    describe service('vault') do
+      it { is_expected.to be_enabled }
+      it { is_expected.to be_running }
+    end
+
+    describe port(8200) do
+      it { is_expected.to be_listening.on('127.0.0.1').with('tcp') }
+    end
+    describe command('vault version') do
+      its(:stdout) { is_expected.to match %r{v0\.10\.1} }
+    end
   end
 end

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

@@ -0,0 +1,21 @@
+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 update && apt-get install -y cron locales-all net-tools wget systemd-sysv'
+      - 'rm -f /usr/sbin/policy-rc.d'
+      - 'systemctl mask [email protected] getty-static.service'
+CONFIG:
+  type: foss
+  log_level: debug
+  docker_options:
+    ssl_verify_peer: false