Migrate legacy scenario job to tempest in-tree

"legacy-tempest-dsvm-neutron-scenario-multinode-lvm-multibackend" job
is tempest job which run all scenario tests including slow tests
and migration tests as non voting job.

This commit migrate this job to tempest in-tree and later we can
modify this to zuulv3 native.

This is first step to make slow tests running on tempest as voting
and on project side also.

Details- http://lists.openstack.org/pipermail/openstack-dev/2018-May/130418.html

Change-Id: I6bc7503347ca2f110e4a0a5b404e612168b3a417
diff --git a/playbooks/tempest-scenario-multinode-lvm-multibackend/post.yaml b/playbooks/tempest-scenario-multinode-lvm-multibackend/post.yaml
new file mode 100644
index 0000000..e07f551
--- /dev/null
+++ b/playbooks/tempest-scenario-multinode-lvm-multibackend/post.yaml
@@ -0,0 +1,15 @@
+- hosts: primary
+  tasks:
+
+    - name: Copy files from {{ ansible_user_dir }}/workspace/ on node
+      synchronize:
+        src: '{{ ansible_user_dir }}/workspace/'
+        dest: '{{ zuul.executor.log_root }}'
+        mode: pull
+        copy_links: true
+        verify_host: true
+        rsync_opts:
+          - --include=/logs/**
+          - --include=*/
+          - --exclude=*
+          - --prune-empty-dirs