92f25bf267
- Use builtin task scheduling of ansible (same task on each host) instead of manual looping on master Benefits: - One less play in remove-node.yml playbook - Parralel node drain - Drain parameters (timeout, grace period, retries, allow_ungraceful_removal) can be adjusted separately for each node with ansible variables
26 lines
1 KiB
YAML
26 lines
1 KiB
YAML
---
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- name: remove-node | List nodes
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command: >-
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{{ bin_dir }}/kubectl get nodes -o go-template={% raw %}'{{ range .items }}{{ .metadata.name }}{{ "\n" }}{{ end }}'{% endraw %}
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register: nodes
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delegate_to: "{{ groups['kube_control_plane']|first }}"
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changed_when: false
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run_once: true
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- name: remove-node | Drain node except daemonsets resource # noqa 301
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command: >-
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{{ bin_dir }}/kubectl --kubeconfig {{ kube_config_dir }}/admin.conf drain
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--force
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--ignore-daemonsets
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--grace-period {{ drain_grace_period }}
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--timeout {{ drain_timeout }}
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--delete-emptydir-data {{ kube_override_hostname|default(inventory_hostname) }}
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# ignore servers that are not nodes
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when: kube_override_hostname|default(inventory_hostname) in nodes.stdout_lines
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register: result
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failed_when: result.rc != 0 and not allow_ungraceful_removal
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delegate_to: "{{ groups['kube_control_plane']|first }}"
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until: result.rc == 0 or allow_ungraceful_removal
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retries: "{{ drain_retries }}"
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delay: "{{ drain_retry_delay_seconds }}"
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