Add support for calling validations in deploy and introspect workflows

Following blueprint
https://blueprints.launchpad.net/tripleo/+spec/validations-in-workflows

This adds support for calling the validations from the deployment and
introspection workflows. They default to off, and can be enabled by
passing 'True' to the run_validations parameters of these workflows.

Currently this is just for the 'pre-inspection' and 'pre-deployment'
validation groups. The 'post-deployment' group will be added once
Ibbb359de8a873ee76b0e274e631307d4e4804fca lands with the ability
for a workflow to block.

Change-Id: I439361ae20c4e302b83870cdc06a5baa90ea683c
Partial-Bug: #1638697

releasenotes/notes/validations-in-workflow-8ce6a053cacece0d.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - Adds support for calling the external TripleO
+    validations from the deployment and introspection
+    workflows. They default to off, and can be enabled
+    by passing 'True' to the run_validations parameters
+    of these workflows.

workbooks/baremetal.yaml

@@ -343,9 +343,29 @@ workflows:
 
     input:
       - node_uuids
+      - run_validations: False
       - queue_name: tripleo
 
     tasks:
+      pre_run_validations:
+        on-complete:
+          - run_validations: <% $.run_validations %>
+          - start_introspection: <% not $.run_validations %>
+
+      run_validations:
+        workflow: tripleo.validations.v1.run_groups
+        input:
+          group_names:
+            - 'pre-introspection'
+          queue_name: <% $.queue_name %>
+        on-success: start_introspection
+        on-error: set_validations_failed
+
+      set_validations_failed:
+        on-success: send_message
+        publish:
+          status: FAILED
+          message: <% task(run_validations).result %>
 
       start_introspection:
         on-success: wait_for_introspection_to_finish
@@ -394,6 +414,7 @@ workflows:
     description: Introspect all nodes in a 'manageable' state.
 
     input:
+      - run_validations: False
       - queue_name: tripleo
 
     tasks:
@@ -417,6 +438,7 @@ workflows:
         workflow: tripleo.baremetal.v1.introspect
         input:
           node_uuids: <% $.managed_nodes %>
+          run_validations: <% $.run_validations %>
           queue_name: <% $.queue_name %>
         publish:
           introspected_nodes: <% task(introspect_manageable).result.introspected_nodes %>

workbooks/deployment.yaml

@@ -114,6 +114,7 @@ workflows:
 
     input:
       - container
+      - run_validations: False
       - timeout: 240
       - queue_name: tripleo
 
@@ -124,7 +125,25 @@ workflows:
         input:
           container: <% $.container %>
           queue_name: <% $.queue_name %>
-        on-complete: get_heat_stack
+        on-complete:
+          - run_validations: <% $.run_validations %>
+          - get_heat_stack: <% not $.run_validations %>
+
+      run_validations:
+        workflow: tripleo.validations.v1.run_groups
+        input:
+          group_names:
+            - 'pre-deployment'
+          plan: <% $.container %>
+          queue_name: <% $.queue_name %>
+        on-success: get_heat_stack
+        on-error: set_validations_failed
+
+      set_validations_failed:
+        on-success: send_message
+        publish:
+          status: FAILED
+          message: <% task(run_validations).result %>
 
       get_heat_stack:
         action: heat.stacks_get stack_id=<% $.container %>
@@ -140,7 +159,10 @@ workflows:
           message: The Heat stack is busy.
 
       deploy:
-        action: tripleo.deployment.deploy timeout=<% $.timeout %> container=<% $.container %>
+        action: tripleo.deployment.deploy
+        input:
+          timeout: <% $.timeout %>
+          container: <% $.container %>
         on-success: send_message
         on-error: set_deployment_failed