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Improve logging of kubeadm init failure of first control plane node (#12216)

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Split retry task of 'kubeadm init' to show the failure log of
the first execution.
This commit is contained in:
Takuya Murakami
2025-05-16 19:01:13 +09:00
committed by GitHub
parent ec85b7e2c9
commit c6dfe22a41
1 changed files with 22 additions and 12 deletions
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34
roles/kubernetes/control-plane/tasks/kubeadm-setup.yml
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@@ -171,22 +171,32 @@
- not kube_external_ca_mode
- name: Kubeadm | Initialize first control plane node
command: >-
timeout -k {{ kubeadm_init_timeout }} {{ kubeadm_init_timeout }}
{{ bin_dir }}/kubeadm init
--config={{ kube_config_dir }}/kubeadm-config.yaml
--ignore-preflight-errors={{ kubeadm_ignore_preflight_errors | join(',') }}
--skip-phases={{ kubeadm_init_phases_skip | join(',') }}
{{ kube_external_ca_mode | ternary('', '--upload-certs') }}
register: kubeadm_init
# Retry is because upload config sometimes fails
retries: 3
until: kubeadm_init is succeeded or "field is immutable" in kubeadm_init.stderr
when: inventory_hostname == first_kube_control_plane and not kubeadm_already_run.stat.exists
failed_when: kubeadm_init.rc != 0 and "field is immutable" not in kubeadm_init.stderr
vars:
kubeadm_init_first_control_plane_cmd: >-
timeout -k {{ kubeadm_init_timeout }} {{ kubeadm_init_timeout }}
{{ bin_dir }}/kubeadm init
--config={{ kube_config_dir }}/kubeadm-config.yaml
--ignore-preflight-errors={{ kubeadm_ignore_preflight_errors | join(',') }}
--skip-phases={{ kubeadm_init_phases_skip | join(',') }}
{{ kube_external_ca_mode | ternary('', '--upload-certs') }}
environment:
PATH: "{{ bin_dir }}:{{ ansible_env.PATH }}"
notify: Control plane | restart kubelet
block:
- name: Kubeadm | Initialize first control plane node (1st try)
command: "{{ kubeadm_init_first_control_plane_cmd }}"
register: kubeadm_init
failed_when: kubeadm_init.rc != 0 and "field is immutable" not in kubeadm_init.stderr
rescue:
# Retry is because upload config sometimes fails
# This retry task is separated from 1st task to show log of failure of 1st task.
- name: Kubeadm | Initialize first control plane node (retry)
command: "{{ kubeadm_init_first_control_plane_cmd }}"
register: kubeadm_init
retries: 2
until: kubeadm_init is succeeded or "field is immutable" in kubeadm_init.stderr
failed_when: kubeadm_init.rc != 0 and "field is immutable" not in kubeadm_init.stderr
- name: Set kubeadm certificate key
set_fact: