From 8c510ab9f94635e1803c19b558f1e8bb1cfd632b Mon Sep 17 00:00:00 2001
From: Jan Provaznik <jprovazn@redhat.com>
Date: Tue, 19 Sep 2017 11:59:54 +0200
Subject: [PATCH] Make ceph-nfs service enablement/start optional

When ceph-nfs service is managed by pacemaker, it's useful to
not enable and start ceph-nfs service through systemd but let
pacemaker to start the service in a next step.
---
 roles/ceph-nfs/defaults/main.yml                 | 4 ++++
 roles/ceph-nfs/tasks/docker/start_docker_nfs.yml | 3 +++
 roles/ceph-nfs/tasks/pre_requisite.yml           | 1 +
 3 files changed, 8 insertions(+)

diff --git a/roles/ceph-nfs/defaults/main.yml b/roles/ceph-nfs/defaults/main.yml
index bfea2bf3b..320879ed3 100644
--- a/roles/ceph-nfs/defaults/main.yml
+++ b/roles/ceph-nfs/defaults/main.yml
@@ -10,6 +10,10 @@
 # distributed on RGW nodes. Setting 'copy_admin_key' to 'true'
 # will copy the admin key to the /etc/ceph/ directory
 copy_admin_key: false
+# whether docker container or systemd service should be enabled
+# and started, it's useful to set it to false if nfs-ganesha
+# service is managed by pacemaker
+ceph_nfs_enable_service: true
 
 #######################
 # Access type options #
diff --git a/roles/ceph-nfs/tasks/docker/start_docker_nfs.yml b/roles/ceph-nfs/tasks/docker/start_docker_nfs.yml
index 254ecf4e5..cdf9bb0c5 100644
--- a/roles/ceph-nfs/tasks/docker/start_docker_nfs.yml
+++ b/roles/ceph-nfs/tasks/docker/start_docker_nfs.yml
@@ -12,11 +12,13 @@
   shell: systemctl enable ceph-nfs@{{ ansible_hostname }}.service
   failed_when: false
   changed_when: false
+  when: ceph_nfs_enable_service
 
 - name: reload systemd unit files
   shell: systemctl daemon-reload
   changed_when: false
   failed_when: false
+  when: ceph_nfs_enable_service
 
 - name: systemd start nfs container
   service:
@@ -24,3 +26,4 @@
     state: started
     enabled: yes
   changed_when: false
+  when: ceph_nfs_enable_service
diff --git a/roles/ceph-nfs/tasks/pre_requisite.yml b/roles/ceph-nfs/tasks/pre_requisite.yml
index 665345097..befcb3db0 100644
--- a/roles/ceph-nfs/tasks/pre_requisite.yml
+++ b/roles/ceph-nfs/tasks/pre_requisite.yml
@@ -96,3 +96,4 @@
     name: nfs-ganesha
     state: started
     enabled: yes
+  when: ceph_nfs_enable_service