Add Mistral to scenario003

Install Mistral into the test overcloud and create a workflow to
verify the Mistral installation. This does not currently actually
execute the workflow. It merely tests that it can be created.

Change-Id: Ia03a605bcfd92498bf299d3042dca7c9932f5b63
Depends-On: Id5ff9cb498b5a47af38413d211ff0ed6ccd0015b

ci/environments/scenario003-multinode.yaml

@@ -3,6 +3,9 @@ resource_registry:
   OS::TripleO::Compute::Net::SoftwareConfig: ../common/net-config-multinode.yaml
   OS::TripleO::Services::SaharaApi: /usr/share/openstack-tripleo-heat-templates/puppet/services/sahara-api.yaml
   OS::TripleO::Services::SaharaEngine: /usr/share/openstack-tripleo-heat-templates/puppet/services/sahara-engine.yaml
+  OS::TripleO::Services::MistralApi: /usr/share/openstack-tripleo-heat-templates/puppet/services/mistral-api.yaml
+  OS::TripleO::Services::MistralEngine: /usr/share/openstack-tripleo-heat-templates/puppet/services/mistral-engine.yaml
+  OS::TripleO::Services::MistralExecutor: /usr/share/openstack-tripleo-heat-templates/puppet/services/mistral-executor.yaml
 
 parameter_defaults:
   ControllerServices:
@@ -37,6 +40,9 @@ parameter_defaults:
     - OS::TripleO::Services::NovaLibvirt
     - OS::TripleO::Services::SaharaApi
     - OS::TripleO::Services::SaharaEngine
+    - OS::TripleO::Services::MistralApi
+    - OS::TripleO::Services::MistralEngine
+    - OS::TripleO::Services::MistralExecutor
   ControllerExtraConfig:
     nova::compute::libvirt::services::libvirt_virt_type: qemu
     nova::compute::libvirt::libvirt_virt_type: qemu

ci/pingtests/scenario003-multinode.yaml

@@ -126,6 +126,22 @@ resources:
       tags:
         - tripleo
 
+  mistral_workflow:
+    type: OS::Mistral::Workflow
+    properties:
+      type: direct
+      name: test_workflow
+      description: Just testing workflow resource.
+      input:
+        phrase: Hello!
+      output:
+        out: <% $.word %>
+      tasks:
+        - name: hello
+          action: std.echo output=<% $.phrase %>
+          publish:
+            word: <% $.hello %>
+
 outputs:
   server1_private_ip:
     description: IP address of server1 in private network
@@ -133,3 +149,6 @@ outputs:
   server1_public_ip:
     description: Floating IP address of server1 in public network
     value: { get_attr: [ server1_floating_ip, floating_ip_address ] }
+  exec:
+    description: Mistral output verifying execution
+    value: { get_attr: [mistral_workflow, executions]}