c12s-kubespray/roles/kubernetes/master/tasks/pre-upgrade.yml

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---
- name: "Pre-upgrade | Delete master manifests if etcd secrets changed"
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file:
path: "/etc/kubernetes/manifests/{{item}}.manifest"
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state: absent
with_items:
- ["kube-apiserver", "kube-controller-manager", "kube-scheduler"]
register: kube_apiserver_manifest_replaced
when: etcd_secret_changed|default(false)
- name: "Pre-upgrade | Delete master containers forcefully"
shell: "docker ps -af name=k8s_{{item}}* -q | xargs --no-run-if-empty docker rm -f"
with_items:
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- ["kube-apiserver", "kube-controller-manager", "kube-scheduler"]
when: kube_apiserver_manifest_replaced.changed
register: remove_master_container
retries: 10
until: remove_master_container.rc == 0
delay: 1