Add scan for running control nodes when choosing primary control node (#219)

Signed-off-by: Thomas Matysik <thomas@matysik.co.nz>
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paradon 2024-01-27 09:15:15 +13:00 committed by GitHub
parent 0c0d3bb38d
commit 19c24bd503
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2 changed files with 38 additions and 0 deletions

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@ -55,6 +55,42 @@
- hostvars[item].k3s_control_node
loop: "{{ ansible_play_hosts }}"
- name: Ensure an existing primary k3s control node is defined if multiple are found and at least one is running
when:
- k3s_controller_list | length >= 1
- k3s_build_cluster is defined
- k3s_build_cluster
- k3s_control_delegate is not defined
block:
- name: Test if control plane is running
ansible.builtin.wait_for:
port: "{{ k3s_runtime_config['https-listen-port'] | default('6443') }}"
host: "{{ k3s_runtime_config['bind-address'] | default('127.0.0.1') }}"
timeout: 5
register: k3s_control_node_running
ignore_errors: true
when: k3s_control_node
- name: List running control planes
ansible.builtin.set_fact:
k3s_running_controller_list: "{{ k3s_running_controller_list + [item] }}"
when:
- hostvars[item].k3s_control_node_running is not skipped
- hostvars[item].k3s_control_node_running is succeeded
loop: "{{ ansible_play_hosts }}"
- name: Choose first running node as delegate
ansible.builtin.set_fact:
k3s_control_delegate: "{{ k3s_running_controller_list[0] }}"
when: k3s_running_controller_list | length >= 1
- name: Ensure k3s_primary_control_node is set on the delegate
ansible.builtin.set_fact:
k3s_primary_control_node: true
when:
- k3s_control_delegate is defined
- inventory_hostname == k3s_control_delegate
- name: Ensure a primary k3s control node is defined if multiple are found in ansible_play_hosts
ansible.builtin.set_fact:
k3s_primary_control_node: true
@ -63,6 +99,7 @@
- inventory_hostname == k3s_controller_list[0]
- k3s_build_cluster is defined
- k3s_build_cluster
- k3s_control_delegate is not defined
- name: Ensure ansible_host is mapped to inventory_hostname
ansible.builtin.blockinfile:

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@ -77,6 +77,7 @@ k3s_conf_build_cluster: "{{
# Empty array for counting the number of control plane nodes
k3s_controller_list: []
k3s_running_controller_list: []
# Control plane port default
k3s_control_plane_port: "{{ k3s_runtime_config['https-listen-port'] | default(6443) }}"