Only setup/cleanup yaml config for servers (#272)

Signed-off-by: Derek Nola <derek.nola@suse.com>

Vagrantfile

@@ -34,8 +34,10 @@ def provision(vm, role, node_num)
       extra_agent_args: "--node-external-ip #{node_ip} --flannel-iface eth1",
       # Optional, left as reference for ruby-ansible syntax
       # extra_service_envs: [ "NO_PROXY='localhost'" ],
-      # config_yaml: <<~YAML
+      # server_config_yaml: <<~YAML
       #   write-kubeconfig-mode: 644
+      #   kube-apiserver-arg:
+      #     - advertise-port=1234
       # YAML
     }
   end

inventory-sample.yml

@@ -28,7 +28,7 @@ k3s_cluster:
     # List of locally available manifests to apply to the cluster, useful for PVCs or Traefik modifications.
     # extra_manifests: [ '/path/to/manifest1.yaml', '/path/to/manifest2.yaml' ]
     # airgap_dir: /tmp/k3s-airgap-images
-    # config_yaml:  |
+    # server_config_yaml:  |
       # This is now an inner yaml file. Maintain the indentation.
       # YAML here will be placed as the content of /etc/rancher/k3s/config.yaml
       # See https://docs.k3s.io/installation/configuration#configuration-file

playbook/reset.yml

@@ -26,3 +26,8 @@
       ansible.builtin.shell:
         cmd: "rm -rf {{ k3s_server_location }}/*"
         removes: "{{ k3s_server_location }}/*"
+    - name: Remove K3s config
+      when: server_config_yaml is defined
+      ansible.builtin.file:
+        path: /etc/rancher/k3s/config.yaml
+        state: absent

roles/k3s_server/tasks/main.yml

@@ -19,6 +19,20 @@
     INSTALL_K3S_VERSION: "{{ k3s_version }}"
   changed_when: true
 
+- name: Setup optional config file
+  when: server_config_yaml is defined
+  block:
+    - name: Make config directory
+      ansible.builtin.file:
+        path: "/etc/rancher/k3s"
+        mode: 0755
+        state: directory
+    - name: Copy config values
+      ansible.builtin.copy:
+        content: "{{ server_config_yaml }}"
+        dest: "/etc/rancher/k3s/config.yaml"
+        mode: 0644
+
 - name: Init first server node
   # Handle both hostname OR ip address being supplied in inventory
   when: ansible_hostname == groups['server'][0] or groups['server'][0] in ansible_facts['all_ipv4_addresses']
@@ -97,7 +111,7 @@
     - name: Check whether kubectl is installed on control node
       ansible.builtin.command: 'kubectl'
       register: kubectl_installed
-      ignore_errors: yes
+      ignore_errors: true
       delegate_to: 127.0.0.1
       become: false
       changed_when: false

roles/prereq/tasks/main.yml

@@ -205,17 +205,3 @@
         dest: "/var/lib/rancher/k3s/server/manifests"
         mode: 0600
       loop: "{{ extra_manifests }}"
-
-- name: Setup optional config file
-  when: config_yaml is defined
-  block:
-    - name: Make config directory
-      ansible.builtin.file:
-        path: "/etc/rancher/k3s"
-        mode: 0755
-        state: directory
-    - name: Copy config values
-      ansible.builtin.copy:
-        content: "{{ config_yaml }}"
-        dest: "/etc/rancher/k3s/config.yaml"
-        mode: 0644