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fix: restore clustering feature

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For some weird reason, string booleans were set on `k3s_control_node` and `k3s_primary_control_node`, making their behavior non-obvious (for python `bool("false") == True`).

This fixes that problem, and BTW restores the ability to create clusters, which got lost with this bug.

After running the role against a cluster, see:

```sh
❯ ansible -i inventories/testing.yaml k8s_node -m command -ba 'kubectl get node'
vm0 | CHANGED | rc=0 >>
NAME   STATUS   ROLES                       AGE     VERSION
vm0    Ready    control-plane,etcd,master   9m19s   v1.21.2+k3s1
vm2 | CHANGED | rc=0 >>
NAME   STATUS   ROLES                       AGE     VERSION
vm2    Ready    control-plane,etcd,master   9m22s   v1.21.2+k3s1
vm1 | CHANGED | rc=0 >>
NAME   STATUS   ROLES                       AGE     VERSION
vm1    Ready    control-plane,etcd,master   9m22s   v1.21.2+k3s1
```

Now, after the patch:

```sh
❯ ansible -i inventories/testing.yaml k8s_node -m command -ba 'kubectl get node'
vm0 | CHANGED | rc=0 >>
NAME   STATUS   ROLES                       AGE    VERSION
vm0    Ready    control-plane,etcd,master   2m2s   v1.21.2+k3s1
vm1    Ready    control-plane,etcd,master   58s    v1.21.2+k3s1
vm2    Ready    control-plane,etcd,master   80s    v1.21.2+k3s1
vm1 | CHANGED | rc=0 >>
NAME   STATUS   ROLES                       AGE    VERSION
vm0    Ready    control-plane,etcd,master   2m2s   v1.21.2+k3s1
vm1    Ready    control-plane,etcd,master   58s    v1.21.2+k3s1
vm2    Ready    control-plane,etcd,master   80s    v1.21.2+k3s1
vm2 | CHANGED | rc=0 >>
NAME   STATUS   ROLES                       AGE    VERSION
vm0    Ready    control-plane,etcd,master   2m2s   v1.21.2+k3s1
vm1    Ready    control-plane,etcd,master   58s    v1.21.2+k3s1
vm2    Ready    control-plane,etcd,master   80s    v1.21.2+k3s1
```

@Tecnativa TT2541
This commit is contained in:
Yajo 2021-07-21 12:37:17 +00:00
parent 05e62b6344
commit 4b42a9bf49
2 changed files with 4 additions and 4 deletions
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4
tasks/build/preconfigure-k3s.yml
View file

@ -9,12 +9,12 @@
- name: Ensure k3s control node fact is set
ansible.builtin.set_fact:
k3s_control_node: "{{ 'false' if k3s_build_cluster else 'true' }}"
k3s_control_node: "{{ false if k3s_build_cluster else true }}"
when: k3s_control_node is not defined
- name: Ensure k3s primary control node fact is set
ansible.builtin.set_fact:
k3s_primary_control_node: "{{ 'false' if k3s_build_cluster else 'true' }}"
k3s_primary_control_node: "{{ false if k3s_build_cluster else true }}"
when: k3s_primary_control_node is not defined
- name: Ensure k3s control plane port is captured

4
templates/k3s.service.j2
View file

@ -29,7 +29,7 @@ ExecStart={{ k3s_install_dir }}/k3s
{% if k3s_control_node %}
server
{% if (k3s_etcd_datastore is defined and k3s_etcd_datastore) and (k3s_primary_control_node is not defined or not k3s_primary_control_node) and k3s_controller_list | length > 1 %}
--server https://{{ k3s_registration_address }}:{{ k3s_control_plane_port | default(6443) }}
--server https://{{ k3s_registration_address }}:{{ k3s_control_plane_port | default(6443) | string }}
--token-file {{ k3s_token_location }}
{% endif %}
{% if k3s_server is defined %}
@ -37,7 +37,7 @@ ExecStart={{ k3s_install_dir }}/k3s
{% endif %}
{% else %}
agent
--server https://{{ k3s_registration_address }}:{{ k3s_control_plane_port | default(6443) }}
--server https://{{ k3s_registration_address }}:{{ k3s_control_plane_port | default(6443) | string }}
--token-file {{ k3s_token_location }}
{% if k3s_agent is defined %}
--config {{ k3s_config_file }}