Merge pull request #5720 from sdodson/issue5108

Add dm_thin_pool for gluster use

playbooks/common/openshift-glusterfs/config.yml

@@ -17,6 +17,11 @@
       tasks_from: firewall.yml
     when:
     - openshift_storage_glusterfs_is_native | default(True) | bool
+  - include_role:
+      name: openshift_storage_glusterfs
+      tasks_from: kernel_modules.yml
+    when:
+    - openshift_storage_glusterfs_is_native | default(True) | bool
 
 - name: Open firewall ports for GlusterFS registry nodes
   hosts: glusterfs_registry
@@ -26,6 +31,11 @@
       tasks_from: firewall.yml
     when:
     - openshift_storage_glusterfs_registry_is_native | default(True) | bool
+  - include_role:
+      name: openshift_storage_glusterfs
+      tasks_from: kernel_modules.yml
+    when:
+    - openshift_storage_glusterfs_registry_is_native | default(True) | bool
 
 - name: Configure GlusterFS
   hosts: oo_first_master

roles/openshift_storage_glusterfs/tasks/kernel_modules.yml

@@ -0,0 +1,12 @@
+---
+- name: Ensure device mapper modules loaded
+  template:
+    src: glusterfs.conf
+    dest: /etc/modules-load.d/glusterfs.conf
+  register: km
+
+- name: load kernel modules
+  systemd:
+    name: systemd-modules-load.service
+    state: restarted
+  when: km | changed

roles/openshift_storage_glusterfs/templates/glusterfs.conf

@@ -0,0 +1,4 @@
+#{{ ansible_managed }}
+dm_thin_pool
+dm_snapshot
+dm_mirror