kubeasz/playbooks/32.delnode.yml

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# WARNNING: this playbook will clean the node {{ NODE_TO_DEL }}
# USAGE: easzctl del-node 1.1.1.1
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- hosts: localhost
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tasks:
- fail: msg="you CAN NOT delete the last member of kube-master!"
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when: "groups['kube-master']|length < 2 and NODE_TO_DEL in groups['kube-master']"
- name: run kubectl drain @{{ NODE_TO_DEL }}
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shell: "{{ bin_dir }}/kubectl drain {{ NODE_TO_DEL }} --ignore-daemonsets --delete-local-data"
ignore_errors: true
- name: clean node {{ NODE_TO_DEL }} if possible
shell: "ansible-playbook {{ base_dir }}/roles/clean/clean_node.yml \
-e NODE_TO_CLEAN={{ NODE_TO_DEL }} \
-e DEL_NODE=yes \
-e DEL_LB=yes >> /tmp/ansible-`date +'%Y%m%d%H%M%S'`.log 2>&1 \
|| echo 'data not cleaned on {{ NODE_TO_DEL }}'"
register: CLEAN_STATUS
- debug: var="CLEAN_STATUS.stdout"
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- debug: var="CLEAN_STATUS.stderr"
- name: run kubectl delete node {{ NODE_TO_DEL }}
shell: "{{ bin_dir }}/kubectl delete node {{ NODE_TO_DEL }}"
ignore_errors: true
# lineinfile is inadequate to delete lines between some specific line range
- name: remove the node's entry in hosts
shell: 'sed -i "/^\[kube-node/,/^\[harbor/ {/^{{ NODE_TO_DEL }}[^0-9]*$/d}" {{ base_dir }}/hosts'
args:
warn: false