Add advanced-format-512e-support role

This patch adds the advanced-format-512e-support role created from:
- validations/512e.yaml

Change-Id: Ibefde91fc5d63dd6a51695042939096f3d7399ca
Implements: blueprint validation-framework
Signed-off-by: Gael Chamoulaud <gchamoul@redhat.com>

playbooks/512e.yaml

@@ -0,0 +1,13 @@
+---
+- hosts: undercloud
+  vars:
+    metadata:
+      name: Advanced Format 512e Support
+      description: >
+        Detect whether the undercloud disks use Advanced Format. If they do,
+        the overcloud images may fail to upload to Glance.
+      groups:
+        - prep
+        - pre-deployment
+  roles:
+    - advanced-format-512e-support

roles/advanced-format-512e-support/meta/main.yml

@@ -0,0 +1,27 @@
+galaxy_info:
+  author: TripleO Validations Team
+  company: Red Hat
+  license: Apache
+  min_ansible_version: 2.4
+
+  platforms:
+  - name: CentOS
+    versions:
+    - 7
+  - name: RHEL
+    versions:
+    - 7
+
+  categories:
+    - cloud
+    - baremetal
+    - system
+  galaxy_tags: []
+    # List tags for your role here, one per line. A tag is a keyword that describes
+    # and categorizes the role. Users find roles by searching for tags. Be sure to
+    # remove the '[]' above, if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+    #       Maximum 20 tags per role.
+
+dependencies: []

roles/advanced-format-512e-support/tasks/main.yml

@@ -0,0 +1,10 @@
+---
+- name: List the available drives
+  register: drive_list
+  command: "ls /sys/class/block/"
+  changed_when: False
+
+- name: Detect whether the drive uses Advanced Format
+  advanced_format: drive={{ item }}
+  when: item is match("^sd.$")
+  with_items: "{{ drive_list.stdout_lines }}"

roles/advanced-format-512e-support/vars/main.yml

@@ -0,0 +1,9 @@
+---
+metadata:
+  name: Advanced Format 512e Support
+  description: >
+    Detect whether the undercloud disks use Advanced Format. If they do,
+    the overcloud images may fail to upload to Glance.
+  groups:
+    - prep
+    - pre-deployment