From 2573825c06e9d3a5601b6c1492f71fd0b70b2578 Mon Sep 17 00:00:00 2001
From: Mangirdas <m.judeikis@gmail.com>
Date: Tue, 30 Jan 2018 12:18:19 +0000
Subject: add glusterblock support for ansible

Co-authored-by: Christina Kyriakidou <Ckyriaki@Redhat.com>
---
 roles/openshift_node/defaults/main.yml             |  1 +
 .../openshift_node/tasks/storage_plugins/iscsi.yml | 28 +++++++++++++++++++++-
 roles/openshift_node/templates/multipath.conf.j2   | 15 ++++++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 roles/openshift_node/templates/multipath.conf.j2

(limited to 'roles/openshift_node')

diff --git a/roles/openshift_node/defaults/main.yml b/roles/openshift_node/defaults/main.yml
index 0fe4c2035..9f887891b 100644
--- a/roles/openshift_node/defaults/main.yml
+++ b/roles/openshift_node/defaults/main.yml
@@ -137,6 +137,7 @@ default_r_openshift_node_image_prep_packages:
 - yum-utils
 # gluster
 - glusterfs-fuse
+- device-mapper-multipath
 # nfs
 - nfs-utils
 - flannel
diff --git a/roles/openshift_node/tasks/storage_plugins/iscsi.yml b/roles/openshift_node/tasks/storage_plugins/iscsi.yml
index a8048c42f..72415f9a6 100644
--- a/roles/openshift_node/tasks/storage_plugins/iscsi.yml
+++ b/roles/openshift_node/tasks/storage_plugins/iscsi.yml
@@ -1,6 +1,32 @@
 ---
 - name: Install iSCSI storage plugin dependencies
-  package: name=iscsi-initiator-utils state=present
+  package:
+    name: "{{ item }}"
+    state: present
   when: not openshift_is_atomic | bool
   register: result
   until: result is succeeded
+  with_items:
+    - iscsi-initiator-utils
+    - device-mapper-multipath
+
+- name: restart services
+  systemd:
+    name: "{{ item }}"
+    state: started
+    enabled: True
+  with_items:
+    - multipathd
+    - rpcbind
+
+- name: Template multipath configuration
+  template:
+    dest: "/etc/multipath.conf"
+    src: multipath.conf.j2
+    backup: true
+  when: not openshift_is_atomic | bool
+
+#enable multipath
+- name: Enable multipath
+  command: "mpathconf --enable"
+  when: not openshift_is_atomic | bool
diff --git a/roles/openshift_node/templates/multipath.conf.j2 b/roles/openshift_node/templates/multipath.conf.j2
new file mode 100644
index 000000000..8a0abc2c1
--- /dev/null
+++ b/roles/openshift_node/templates/multipath.conf.j2
@@ -0,0 +1,15 @@
+# LIO iSCSI
+# TODO: Add env variables for tweaking
+devices {
+        device {
+                vendor "LIO-ORG"
+                user_friendly_names "yes" 
+                path_grouping_policy "failover"
+                path_selector "round-robin 0"
+                failback immediate
+                path_checker "tur"
+                prio "const"
+                no_path_retry 120
+                rr_weight "uniform"
+        }
+}
-- 
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