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Fix k3s_server_location only working on default

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- K3s has some absolute paths set in various places which cannot be
  changed. Using a symbolic link was the easiest fix. This is nice for
  running K3S on SBC that must boot to SD but K3S data should be stored
  on a faster drive.
- Other changes are for making the site playbook replayable without
  resetting the cluster. Ideally you can rerun it to check existing
  nodes or to add new ones.

Signed-off-by: Derek Nola <derek.nola@suse.com>
This commit is contained in:
Nicholas Malcolm
2023-02-02 12:57:02 -05:00
committed by Derek Nola
parent 7cc70ad609
commit 8484c015d6
4 changed files with 30 additions and 15 deletions
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24
roles/k3s/server/tasks/main.yml
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@@ -7,7 +7,7 @@
systemd-run -p RestartSec=2 -p Restart=on-failure --unit=k3s-init k3s server
--cluster-init --tls-san {{ api_endpoint }} --data-dir {{ k3s_server_location }}
{{ extra_server_args}}
creates: "{{ systemd_dir }}/k3s-init.service"
creates: "{{ k3s_server_location }}/server/node-token"
when: groups['server'] | length > 1
- name: Start temporary service for single server cluster
@@ -15,7 +15,7 @@
cmd: >
systemd-run -p RestartSec=2 -p Restart=on-failure --unit=k3s-init k3s server
--tls-san {{ api_endpoint }} --data-dir {{ k3s_server_location }} {{ extra_server_args }}
creates: "{{ systemd_dir }}/k3s-init.service"
creates: "{{ k3s_server_location }}/server/node-token"
when: groups['server'] | length == 1
- name: Wait for node-token
@@ -75,17 +75,17 @@
flat: true
when: ansible_hostname == groups['server'][0]
- name: Init additonal server nodes if any
ansible.builtin.command:
cmd: >
systemd-run -p RestartSec=2 -p Restart=on-failure --unit=k3s-init k3s server
--token "{{ hostvars[groups['server'][0]]['token'] }}" --server https://{{ api_endpoint }}:{{ api_port }}
--tls-san {{ api_endpoint }} --data-dir {{ k3s_server_location }} {{ extra_server_args }}
creates: "{{ systemd_dir }}/k3s-init.service"
when: ansible_hostname != groups['server'][0]
- name: Verification and cleanup
- name: Start other server if any and verify status
block:
- name: Init additonal server nodes
ansible.builtin.command:
cmd: >
systemd-run -p RestartSec=2 -p Restart=on-failure --unit=k3s-init k3s server
--token "{{ hostvars[groups['server'][0]]['token'] }}" --server https://{{ api_endpoint }}:{{ api_port }}
--tls-san {{ api_endpoint }} --data-dir {{ k3s_server_location }} {{ extra_server_args }}
creates: "{{ k3s_server_location }}/server/node-token"
when: ansible_hostname != groups['server'][0]
- name: Verify that all server nodes joined
ansible.builtin.command:
cmd: k3s kubectl get nodes -l "node-role.kubernetes.io/control-plane=true" -o=jsonpath="{.items[*].metadata.name}"