From 477f04a7a9846579d2bc86d9c260d9849f593961 Mon Sep 17 00:00:00 2001
From: Brenton Leanhardt <bleanhar@redhat.com>
Date: Wed, 6 Apr 2016 10:42:12 -0400
Subject: Containerized installs on RHEL were downgrading docker unnecessarily

---
 roles/docker/tasks/main.yml | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

(limited to 'roles/docker/tasks')

diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml
index 1d8493938..89648b321 100644
--- a/roles/docker/tasks/main.yml
+++ b/roles/docker/tasks/main.yml
@@ -7,22 +7,27 @@
   register: docker_version_result
   changed_when: false
 
+- stat: path=/etc/sysconfig/docker-storage
+  register: docker_storage_check
+
+- name: Remove deferred deletion for downgrades from 1.9
+  command: >
+    sed -i 's/--storage-opt dm.use_deferred_deletion=true//' /etc/sysconfig/docker-storage
+  when: docker_storage_check.stat.exists | bool and not docker_version_result | skipped and docker_version_result.stdout | default('0.0', True) | version_compare('1.9', '>=') and docker_version | version_compare('1.9', '<')
+
 - name: Downgrade docker if necessary
   command: "{{ ansible_pkg_mgr }} downgrade -y docker-{{ docker_version }}"
   register: docker_downgrade_result
   when: not docker_version_result | skipped and docker_version_result.stdout | default('0.0', True) | version_compare(docker_version, 'gt')
 
 - name: Install docker
-  action: "{{ ansible_pkg_mgr }} name=docker{{ '-' + docker_version if docker_version != '' else '' }} state=present"
-  when: not openshift.common.is_atomic | bool and not docker_downgrade_result | changed
+  action: "{{ ansible_pkg_mgr }} name=docker{{ '-' + docker_version if docker_version is defined and docker_version != '' else '' }} state=present"
+  when: not openshift.common.is_atomic | bool and not docker_version_result | skipped and docker_version_result.stdout | default('0.0', True) | version_compare(docker_version, 'lt')
 
-- stat: path=/etc/sysconfig/docker-storage
-  register: docker_storage_check
-
-- name: Remove deferred deletion for downgrades from 1.9
-  command: >
-    sed -i 's/--storage-opt dm.use_deferred_deletion=true//' /etc/sysconfig/docker-storage
-  when: docker_downgrade_result | changed and docker_storage_check.stat.exists | bool and docker_version_result.stdout | default('0.0', True) | version_compare('1.9', '>=') and docker_version | version_compare('1.9', '<')
+# We're getting ready to start docker.  This is a workaround for cases where it
+# seems a package install/upgrade/downgrade has rebooted docker and crashed it.
+- name: Reset docker service state
+  command: systemctl reset-failed docker.service
 
 - name: enable and start the docker service
   service:
-- 
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