1 files changed, 51 insertions, 0 deletions
diff --git a/playbooks/common/openshift-cluster/upgrades/docker/upgrade_check.yml b/playbooks/common/openshift-cluster/upgrades/docker/upgrade_check.yml
new file mode 100644
index 000000000..06b3e244f
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/docker/upgrade_check.yml
@@ -0,0 +1,51 @@
+---
+
+# This snippet determines if a Docker upgrade is required by checking the inventory
+# variables, the available packages, and sets l_docker_version to True if so.
+
+- set_fact:
+    docker_upgrade: True
+  when: docker_upgrade is not defined
+
+- name: Check if Docker is installed
+  command: rpm -q docker
+  register: pkg_check
+  failed_when: pkg_check.rc > 1
+  changed_when: no
+
+- name: Get current version of Docker
+  command: "{{ repoquery_cmd }} --installed --qf '%{version}' docker"
+  register: curr_docker_version
+  changed_when: false
+
+- name: Get latest available version of Docker
+  command: >
+    {{ repoquery_cmd }} --qf '%{version}' "docker"
+  register: avail_docker_version
+  failed_when: false
+  changed_when: false
+
+- fail:
+    msg: This playbook requires access to Docker 1.10 or later
+  # Disable the 1.10 requirement if the user set a specific Docker version
+  when: avail_docker_version.stdout | version_compare('1.10','<') and docker_version is not defined
+
+# Default l_docker_upgrade to False, we'll set to True if an upgrade is required:
+- set_fact:
+    l_docker_upgrade: False
+
+# Make sure a docker_verison is set if none was requested:
+- set_fact:
+    docker_version: "{{ avail_docker_version.stdout }}"
+  when: docker_version is not defined
+
+- name: Flag for Docker upgrade if necessary
+  set_fact:
+    l_docker_upgrade: True
+  when: pkg_check.rc == 0 and curr_docker_version.stdout | version_compare(docker_version,'<')
+
+- name: Flag to delete all images prior to upgrade if crossing Docker 1.10 boundary
+  set_fact:
+      docker_upgrade_nuke_images: True
+  when: l_docker_upgrade | bool and docker_upgrade_nuke_images is not defined and curr_docker_version.stdout | version_compare('1.10','<') and docker_version | version_compare('1.10','>=')
+