Remove Docker 1.10 requirement temporarily.

Docker 1.10 is not widely available in RHEL / CentOS yet, lets remove
the restriction for users of master / origin. We can revert as soon as
it's available publically.

playbooks/common/openshift-cluster/upgrades/v3_1_to_v3_2/docker_upgrade.yml

@@ -0,0 +1,14 @@
+- name: Check if Docker is installed
+  command: rpm -q docker
+  register: pkg_check
+  failed_when: pkg_check.rc > 1
+  changed_when: no
+
+- name: Upgrade Docker
+  command: "{{ ansible_pkg_mgr}} update -y docker"
+  when: pkg_check.rc == 0 and g_docker_version.curr_version | version_compare('1.9','<')
+  register: docker_upgrade
+
+- name: Restart Docker
+  command: systemctl restart docker
+  when: docker_upgrade | changed

playbooks/common/openshift-cluster/upgrades/v3_1_to_v3_2/upgrade.yml

@@ -3,13 +3,13 @@
 # The restart playbook should be run after this playbook completes.
 ###############################################################################
 
-- include: ../../../../byo/openshift-cluster/upgrades/docker/docker_upgrade.yml
-
-- name: Update Docker facts
+- name: Upgrade docker
   hosts: oo_masters_to_config:oo_nodes_to_config:oo_etcd_to_config
   roles:
   - openshift_facts
   tasks:
+  - include: docker_upgrade.yml
+    when: not openshift.common.is_atomic | bool
   - name: Set post docker install facts
     openshift_facts:
       role: "{{ item.role }}"

roles/docker/tasks/main.yml

@@ -1,32 +1,4 @@
 ---
-# Going forward we require Docker 1.10 or greater. If the user has a lesser version installed they must run a separate upgrade process.
-- name: Get current installed Docker version
-  command: "{{ repoquery_cmd }} --installed --qf '%{version}' docker"
-  when:  not openshift.common.is_atomic | bool
-  register: curr_docker_version
-  changed_when: false
-
-# TODO: The use of upgrading var will be removed in the coming upgrade refactor. This is a temporary
-# fix to wory around the fact that right now, this role is called during upgrade, before we're
-# ready to upgrade Docker.
-- name: Fail if Docker upgrade is required
-  fail:
-    msg: "Docker {{ curr_docker_version.stdout }} must be upgraded to Docker 1.10 or greater"
-  when: not upgrading | bool and not curr_docker_version | skipped and curr_docker_version.stdout | default('0.0', True) | version_compare('1.10', '<')
-
-- name: Get latest available version of Docker
-  command: >
-    {{ repoquery_cmd }} --qf '%{version}' "docker"
-  register: avail_docker_version
-  failed_when: false
-  changed_when: false
-  when: not curr_docker_version.stdout | default('0.0', True) | version_compare('1.10', '>=') and not openshift.common.is_atomic | bool
-
-- name: Verify Docker >= 1.10 is available
-  fail:
-    msg: "Docker {{ avail_docker_version.stdout }} is available, but 1.10 or greater is required"
-  when: not avail_docker_version | skipped and avail_docker_version.stdout | default('0.0', True) | version_compare('1.10', '<')
-
 - stat: path=/etc/sysconfig/docker-storage
   register: docker_storage_check