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---
- name: Drain and upgrade nodes
hosts: oo_nodes_to_upgrade:!oo_masters_to_config
# This var must be set with -e on invocation, as it is not a per-host inventory var
# and is evaluated early. Values such as "20%" can also be used.
serial: "{{ openshift_upgrade_nodes_serial | default(1) }}"
any_errors_fatal: true
pre_tasks:
# TODO: To better handle re-trying failed upgrades, it would be nice to check if the node
# or docker actually needs an upgrade before proceeding. Perhaps best to save this until
# we merge upgrade functionality into the base roles and a normal config.yml playbook run.
- name: Determine if node is currently scheduleable
command: >
{{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} get node {{ openshift.node.nodename | lower }} -o json
register: node_output
delegate_to: "{{ groups.oo_first_master.0 }}"
changed_when: false
- set_fact:
was_schedulable: "{{ 'unschedulable' not in (node_output.stdout | from_json).spec }}"
- name: Mark node unschedulable
command: >
{{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename | lower }} --schedulable=false
delegate_to: "{{ groups.oo_first_master.0 }}"
# NOTE: There is a transient "object has been modified" error here, allow a couple
# retries for a more reliable upgrade.
register: node_unsched
until: node_unsched.rc == 0
retries: 3
delay: 1
- name: Drain Node for Kubelet upgrade
command: >
{{ hostvars[groups.oo_first_master.0].openshift.common.admin_binary }} drain {{ openshift.node.nodename | lower }} --force --delete-local-data
delegate_to: "{{ groups.oo_first_master.0 }}"
roles:
- openshift_facts
- docker
- openshift_node_upgrade
post_tasks:
- name: Set node schedulability
command: >
{{ hostvars[groups.oo_first_master.0].openshift.common.client_binary }} adm manage-node {{ openshift.node.nodename | lower }} --schedulable=true
delegate_to: "{{ groups.oo_first_master.0 }}"
when: was_schedulable | bool
register: node_sched
until: node_sched.rc == 0
retries: 3
delay: 1
- include: ../reset_excluder.yml
tags:
- always
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