implement the ceph-disk suite

Run the ceph-disk workunit with a mon setup with ceph-deploy. It is
prefered to the install done by the ceph tasks because it relies on the
init system and udev rules which are going to be tested by the ceph-disk
workunit.

http://tracker.ceph.com/issues/11881 Refs: #11881

Signed-off-by: Loic Dachary <loic@dachary.org>

suites/ceph-disk/basic/distros

@@ -0,0 +1 @@
+../../../distros/supported

suites/ceph-disk/basic/options/ceph-conf.yaml

@@ -0,0 +1,11 @@
+overrides:
+   ceph-deploy:
+      separate_journal_disk:
+      only_mon: true
+      conf:
+         global:
+             mon pg warn min per osd: 2
+             osd pool default size: 2
+             osd crush chooseleaf type: 0 # failure domain == osd
+             osd pg bits: 2
+             osd pgp bits: 2

suites/ceph-disk/basic/tasks/ceph-disk.yaml

@@ -0,0 +1,40 @@
+overrides:
+  ceph-deploy:
+    conf:
+      global:
+        debug ms: 1
+      osd:
+        debug osd: 10
+      mon:
+        debug mon: 10
+roles:
+- - mon.a
+  - client.0
+openstack:
+  machine:
+    disk: 10 # GB
+    ram: 2000 # MB
+    cpus: 1
+  volumes: # attached to each instance
+    count: 3
+    size: 1 # GB
+tasks:
+- install:
+     extras: yes
+- print: "**** done install extras"
+- ssh_keys:
+- print: "**** done ssh_keys"
+- ceph-deploy:
+- print: "**** done ceph-deploy"
+#
+# Keep this around for debugging purposes. If uncommented the target
+# will pause and the workunit can be run and debug manually.
+#
+# - exec:
+#     client.0:
+#       - sleep 1000000000 # forever
+#
+- workunit:
+    clients:
+      all:
+        - ceph-disk/ceph-disk.sh