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---
- name: generate kubeadm.config
template:
src: kubeadm.config.j2
dest: /etc/kubernetes/kubeadm.config
mode: 0600
changed_when: False
- name: join kubernetes worker node and store log
block:
- name: join kubernetes worker node
command: "kubeadm join --config /etc/kubernetes/kubeadm.config"
args:
creates: /etc/kubernetes/kubelet.conf
register: kubeadm_join
always:
- name: dump output of kubeadm join to log file
when: kubeadm_join is changed
# This is not a handler by design to make sure this action runs at this point of the play.
copy: # noqa 503
content: "{{ kubeadm_join.stdout }}\n"
dest: /etc/kubernetes/kubeadm-join.log
- name: dump error output of kubeadm join to log file
when: kubeadm_join.changed and kubeadm_join.stderr
copy:
content: "{{ kubeadm_join.stderr }}\n"
dest: /etc/kubernetes/kubeadm-join.errors
- name: wait for new worker node to register
delegate_to: "{{ groups['_kubernetes_primary_controlplane_node_'] | first }}"
check_mode: no
command: "kubectl --kubeconfig /etc/kubernetes/admin.conf get nodes -o name {{ kubernetes_node_name }}"
changed_when: False
register: kubectl_node_get
until: kubectl_node_get.rc == 0
retries: 30
delay: 2
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