From b4c2a7507ced4c47732a20b819d2e34bf4ca129c Mon Sep 17 00:00:00 2001
From: Russell Teague <rteague@redhat.com>
Date: Fri, 7 Apr 2017 16:16:14 -0400
Subject: Refactor docker upgrade playbooks

The playbooks were crossing byo/common boundaries for task includes.
This moves all 'common' files/tasks into the 'common' folder.
---
 .../upgrades/docker/docker_upgrade.yml             | 71 ++++++++++++++++++++++
 .../upgrades/docker/nuke_images.sh                 | 25 ++++++++
 .../common/openshift-cluster/upgrades/docker/roles |  1 +
 3 files changed, 97 insertions(+)
 create mode 100644 playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml
 create mode 100644 playbooks/common/openshift-cluster/upgrades/docker/nuke_images.sh
 create mode 120000 playbooks/common/openshift-cluster/upgrades/docker/roles

(limited to 'playbooks/common/openshift-cluster/upgrades/docker')

diff --git a/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml b/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml
new file mode 100644
index 000000000..07db071ce
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml
@@ -0,0 +1,71 @@
+---
+- include: ../../evaluate_groups.yml
+  vars:
+    # Do not allow adding hosts during upgrade.
+    g_new_master_hosts: []
+    g_new_node_hosts: []
+    openshift_cluster_id: "{{ cluster_id | default('default') }}"
+
+- include: ../initialize_nodes_to_upgrade.yml
+
+- name: Check for appropriate Docker versions
+  hosts: oo_masters_to_config:oo_nodes_to_upgrade:oo_etcd_to_config
+  roles:
+  - openshift_facts
+  tasks:
+  - set_fact:
+      repoquery_cmd: "{{ 'dnf repoquery --latest-limit 1 -d 0' if ansible_pkg_mgr == 'dnf' else 'repoquery --plugins' }}"
+
+  - fail:
+      msg: Cannot upgrade Docker on Atomic operating systems.
+    when: openshift.common.is_atomic | bool
+
+  - include: upgrade_check.yml
+    when: docker_upgrade is not defined or docker_upgrade | bool
+
+
+# If a node fails, halt everything, the admin will need to clean up and we
+# don't want to carry on, potentially taking out every node. The playbook can safely be re-run
+# and will not take any action on a node already running the requested docker version.
+- name: Drain and upgrade nodes
+  hosts: oo_masters_to_config:oo_nodes_to_upgrade:oo_etcd_to_config
+  serial: 1
+  any_errors_fatal: true
+
+  roles:
+  - lib_openshift
+
+  tasks:
+  - name: Mark node unschedulable
+    oc_adm_manage_node:
+      node: "{{ openshift.node.nodename | lower }}"
+      schedulable: False
+    delegate_to: "{{ groups.oo_first_master.0 }}"
+    retries: 10
+    delay: 5
+    register: node_unschedulable
+    until: node_unschedulable|succeeded
+    when:
+    - l_docker_upgrade is defined
+    - l_docker_upgrade | bool
+    - inventory_hostname in groups.oo_nodes_to_upgrade
+
+  - name: Drain Node for Kubelet upgrade
+    command: >
+      {{ openshift.common.admin_binary }} drain {{ openshift.node.nodename }} --force --delete-local-data --ignore-daemonsets
+    delegate_to: "{{ groups.oo_first_master.0 }}"
+    when: l_docker_upgrade is defined and l_docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_upgrade
+
+  - include: upgrade.yml
+    when: l_docker_upgrade is defined and l_docker_upgrade | bool
+
+  - name: Set node schedulability
+    oc_adm_manage_node:
+      node: "{{ openshift.node.nodename | lower }}"
+      schedulable: True
+    delegate_to: "{{ groups.oo_first_master.0 }}"
+    retries: 10
+    delay: 5
+    register: node_schedulable
+    until: node_schedulable|succeeded
+    when: node_unschedulable|changed
diff --git a/playbooks/common/openshift-cluster/upgrades/docker/nuke_images.sh b/playbooks/common/openshift-cluster/upgrades/docker/nuke_images.sh
new file mode 100644
index 000000000..8635eab0d
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/docker/nuke_images.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Stop any running containers
+running_container_ids=`docker ps -q`
+if test -n "$running_container_ids"
+then
+    docker stop $running_container_ids
+fi
+
+# Delete all containers
+container_ids=`docker ps -a -q`
+if test -n "$container_ids"
+then
+    docker rm -f -v $container_ids
+fi
+
+# Delete all images (forcefully)
+image_ids=`docker images -aq`
+if test -n "$image_ids"
+then
+    # Some layers are deleted recursively and are no longer present
+    # when docker goes to remove them:
+    docker rmi -f `docker images -aq` || true
+fi
+
diff --git a/playbooks/common/openshift-cluster/upgrades/docker/roles b/playbooks/common/openshift-cluster/upgrades/docker/roles
new file mode 120000
index 000000000..6bc1a7aef
--- /dev/null
+++ b/playbooks/common/openshift-cluster/upgrades/docker/roles
@@ -0,0 +1 @@
+../../../../../roles
\ No newline at end of file
-- 
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