diff options
Diffstat (limited to 'playbooks/byo')
4 files changed, 158 insertions, 0 deletions
diff --git a/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml b/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml new file mode 100644 index 000000000..6c12e8245 --- /dev/null +++ b/playbooks/byo/openshift-cluster/upgrades/docker/docker_upgrade.yml @@ -0,0 +1,105 @@ + +- name: Check for appropriate Docker versions for 1.9.x to 1.10.x upgrade + hosts: oo_masters_to_config:oo_nodes_to_config:oo_etcd_to_config + roles: + - openshift_facts + tasks: + - name: Determine available Docker version + script: ../../../../common/openshift-cluster/upgrades/files/rpm_versions.sh docker + register: g_docker_version_result + when: not openshift.common.is_atomic | bool + + - name: Check if Docker is installed + command: rpm -q docker + register: pkg_check + failed_when: pkg_check.rc > 1 + changed_when: no + when: not openshift.common.is_atomic | bool + + - set_fact: + g_docker_version: "{{ g_docker_version_result.stdout | from_yaml }}" + when: not openshift.common.is_atomic | bool + + - name: Set fact if docker requires an upgrade + set_fact: + docker_upgrade: true + when: not openshift.common.is_atomic | bool and pkg_check.rc == 0 and g_docker_version.curr_version | version_compare('1.10','<') + + - fail: + msg: This playbook requires access to Docker 1.10 or later + when: g_docker_version.avail_version | default(g_docker_version.curr_version, true) | version_compare('1.10','<') + +# 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 1.10+. +- name: Evacuate and upgrade nodes + hosts: oo_masters_to_config:oo_nodes_to_config:oo_etcd_to_config + serial: 1 + any_errors_fatal: true + tasks: + - debug: var=docker_upgrade + + - name: Prepare for Node evacuation + command: > + {{ openshift.common.admin_binary }} manage-node {{ openshift.common.hostname | lower }} --schedulable=false + delegate_to: "{{ groups.oo_first_master.0 }}" + when: docker_upgrade is defined and docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_config + +# TODO: skip all node evac stuff for non-nodes (i.e. separate containerized etcd hosts) + - name: Evacuate Node for Kubelet upgrade + command: > + {{ openshift.common.admin_binary }} manage-node {{ openshift.common.hostname | lower }} --evacuate --force + delegate_to: "{{ groups.oo_first_master.0 }}" + when: docker_upgrade is defined and docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_config + + - name: Stop containerized services + service: name={{ item }} state=stopped + with_items: + - "{{ openshift.common.service_type }}-master" + - "{{ openshift.common.service_type }}-master-api" + - "{{ openshift.common.service_type }}-master-controllers" + - "{{ openshift.common.service_type }}-node" + - etcd + - openvswitch + failed_when: false + when: docker_upgrade is defined and docker_upgrade | bool and openshift.common.is_containerized | bool + + - name: Remove all containers and images + script: files/nuke_images.sh docker + register: nuke_images_result + when: docker_upgrade is defined and docker_upgrade | bool + + - name: Upgrade Docker + command: "{{ ansible_pkg_mgr}} update -y docker" + register: docker_upgrade_result + when: docker_upgrade is defined and docker_upgrade | bool + + - name: Restart containerized services + service: name={{ item }} state=started + with_items: + - etcd + - openvswitch + - "{{ openshift.common.service_type }}-master" + - "{{ openshift.common.service_type }}-master-api" + - "{{ openshift.common.service_type }}-master-controllers" + - "{{ openshift.common.service_type }}-node" + failed_when: false + when: docker_upgrade is defined and docker_upgrade | bool and openshift.common.is_containerized | bool + + - name: Wait for master API to come back online + become: no + local_action: + module: wait_for + host="{{ inventory_hostname }}" + state=started + delay=10 + port="{{ openshift.master.api_port }}" + when: docker_upgrade is defined and docker_upgrade | bool and inventory_hostname in groups.oo_masters_to_config + + - name: Set node schedulability + command: > + {{ openshift.common.admin_binary }} manage-node {{ openshift.common.hostname | lower }} --schedulable=true + delegate_to: "{{ groups.oo_first_master.0 }}" + when: openshift.node.schedulable | bool + when: docker_upgrade is defined and docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_config and openshift.node.schedulable | bool + diff --git a/playbooks/byo/openshift-cluster/upgrades/docker/files/nuke_images.sh b/playbooks/byo/openshift-cluster/upgrades/docker/files/nuke_images.sh new file mode 100644 index 000000000..9a5ee2276 --- /dev/null +++ b/playbooks/byo/openshift-cluster/upgrades/docker/files/nuke_images.sh @@ -0,0 +1,23 @@ +#!/bin/bash + +# Stop any running containers +running_container_count=`docker ps -q | wc -l` +if test $running_container_count -gt 0 +then + docker stop $(docker ps -q) +fi + +# Delete all containers +container_count=`docker ps -a -q | wc -l` +if test $container_count -gt 0 +then + docker rm -f -v $(docker ps -a -q) +fi + +# Delete all images (forcefully) +image_count=`docker images -q | wc -l` +if test $image_count -gt 0 +then + # Taken from: https://gist.github.com/brianclements/f72b2de8e307c7b56689#gistcomment-1443144 + docker rmi $(docker images | grep "$2/\|/$2 \| $2 \|$2 \|$2-\|$2_" | awk '{print $1 ":" $2}') 2>/dev/null || echo "No images matching \"$2\" left to purge." +fi diff --git a/playbooks/byo/openshift-cluster/upgrades/docker/roles b/playbooks/byo/openshift-cluster/upgrades/docker/roles new file mode 120000 index 000000000..6bc1a7aef --- /dev/null +++ b/playbooks/byo/openshift-cluster/upgrades/docker/roles @@ -0,0 +1 @@ +../../../../../roles
\ No newline at end of file diff --git a/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml b/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml new file mode 100644 index 000000000..0f86abd89 --- /dev/null +++ b/playbooks/byo/openshift-cluster/upgrades/docker/upgrade.yml @@ -0,0 +1,29 @@ +# Playbook to upgrade Docker to the max allowable version for an OpenShift cluster. +# +# Currently only supports upgrading 1.9.x to >= 1.10.x. +- hosts: localhost + connection: local + become: no + gather_facts: no + tasks: + - include_vars: ../../cluster_hosts.yml + - add_host: + name: "{{ item }}" + groups: l_oo_all_hosts + with_items: g_all_hosts | default([]) + changed_when: false + +- hosts: l_oo_all_hosts + gather_facts: no + tasks: + - include_vars: ../../cluster_hosts.yml + +- include: ../../../../common/openshift-cluster/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') }}" + openshift_deployment_type: "{{ deployment_type }}" + +- include: docker_upgrade.yml |