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fix(k3s-server): sequence HA bootstrap

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- Wait for the initial control-plane API before starting joining masters\n- Bound and redact k3s-init failure diagnostics
This commit is contained in:
Timothy Stewart
2026-07-31 14:19:36 -05:00
committed by Techno Tim
parent bb3843dbb1
commit a52e2ea72c
2 changed files with 36 additions and 3 deletions
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roles/k3s_server/tasks/fetch_k3s_init_logs.yml
+15 -2
View File
@@ -5,12 +5,22 @@
- name: Fetch k3s-init.service logs
ansible.builtin.command:
cmd: >-
timeout --signal=TERM 30s journalctl --no-pager
timeout --signal=TERM --kill-after=5s 30s journalctl --no-pager
--unit=k3s-init.service --since=-30min --lines=5000
changed_when: false
failed_when: false
register: k3s_init_log
- name: Fetch k3s-init.service status
ansible.builtin.command:
cmd: >-
timeout --signal=TERM --kill-after=5s 15s systemctl status
k3s-init.service --no-pager --full
changed_when: false
failed_when: false
no_log: true
register: k3s_init_status
- name: Create {{ log_destination }}
delegate_to: localhost
run_once: true
@@ -28,4 +38,7 @@
dest: "{{ log_destination }}/k3s-init@{{ ansible_hostname }}.log"
mode: "0644"
vars:
content: "{{ k3s_init_log.stdout }}"
content: >-
{{ ('=== k3s-init.service status ===\n' + k3s_init_status.stdout
+ '\n\n=== k3s-init.service journal ===\n' + k3s_init_log.stdout)
| regex_replace('--token(?:=|\\s+)[^\\s]+', '--token ***') }}
roles/k3s_server/tasks/main.yml
+21 -1
View File
@@ -34,10 +34,30 @@
tags: kubevip
when: kube_vip_lb_ip_range is defined
- name: Init cluster inside the transient k3s-init service
- name: Init the first master inside the transient k3s-init service
ansible.builtin.command:
cmd: systemd-run -p RestartSec=2 -p Restart=on-failure --unit=k3s-init k3s server {{ server_init_args }}
creates: "{{ systemd_dir }}/k3s-init.service"
when: ansible_hostname == hostvars[groups[group_name_master | default('master')][0]]['ansible_hostname']
- name: Wait for the first master Kubernetes API before joining other masters
ansible.builtin.command:
cmd: "{{ k3s_kubectl_binary | default('k3s kubectl') }} get --raw=/readyz"
register: first_master_api
until: first_master_api.rc == 0
retries: "{{ retry_count | default(20) }}"
delay: 2
changed_when: false
run_once: true
when: groups[group_name_master | default('master')] | length > 1
- name: Join additional masters inside the transient k3s-init service
ansible.builtin.command:
cmd: systemd-run -p RestartSec=2 -p Restart=on-failure --unit=k3s-init k3s server {{ server_init_args }}
creates: "{{ systemd_dir }}/k3s-init.service"
when:
- groups[group_name_master | default('master')] | length > 1
- ansible_hostname != hostvars[groups[group_name_master | default('master')][0]]['ansible_hostname']
- name: Verification
when: not ansible_check_mode