c12s-kubespray/roles/kubernetes-apps/ansible/tasks/cleanup_dns.yml

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---
- name: Kubernetes Apps | Register coredns deployment annotation `createdby`
shell: "{{ bin_dir }}/kubectl get deploy -n kube-system coredns -o jsonpath='{ .spec.template.metadata.annotations.createdby }'"
register: createdby_annotation
changed_when: false
ignore_errors: true # noqa ignore-errors
when:
- dns_mode in ['coredns', 'coredns_dual']
- inventory_hostname == groups['kube_control_plane'][0]
- name: Kubernetes Apps | Delete kubeadm CoreDNS
kube:
name: "coredns"
namespace: "kube-system"
kubectl: "{{ bin_dir }}/kubectl"
resource: "deploy"
state: absent
when:
- dns_mode in ['coredns', 'coredns_dual']
- inventory_hostname == groups['kube_control_plane'][0]
- createdby_annotation.stdout != 'kubespray'
- name: Kubernetes Apps | Delete kubeadm Kube-DNS service
kube:
name: "kube-dns"
namespace: "kube-system"
kubectl: "{{ bin_dir }}/kubectl"
resource: "svc"
state: absent
when:
- dns_mode in ['coredns', 'coredns_dual']
- inventory_hostname == groups['kube_control_plane'][0]