c12s-kubespray/roles/kubernetes/node/tasks/pre_upgrade.yml

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---
- name: "Pre-upgrade | check if kubelet container exists"
shell: docker ps -af name=kubelet | grep kubelet
failed_when: false
changed_when: false
register: kubelet_container_check
- name: "Pre-upgrade | copy /var/lib/cni from kubelet"
command: docker cp kubelet:/var/lib/cni /var/lib/cni
args:
creates: "/var/lib/cni"
failed_when: false
when: kubelet_container_check.rc == 0
- name: "Pre-upgrade | ensure kubelet container service is stopped if using host deployment"
service:
name: kubelet
state: stopped
when: kubelet_deployment_type == 'host' and kubelet_container_check.rc == 0
- name: "Pre-upgrade | ensure kubelet container is removed if using host deployment"
command: docker rm -fv kubelet
failed_when: false
2017-10-25 20:19:40 +00:00
changed_when: false
register: remove_kubelet_container
retries: 4
until: remove_kubelet_container.rc == 0
delay: 5
when: kubelet_deployment_type == 'host' and kubelet_container_check.rc == 0