Support customising Kayobe configuration

This makes it possible to modify the configuration without using a branch.

Author: markgoddard

ansible/deploy-openstack-config.yml

@@ -120,6 +120,14 @@
         line: "vxlan_vni: {{ vxlan_vni }}"
         mode: "0644"
 
+    - name: Ensure custom Kayobe configuration is applied
+      ansible.builtin.blockinfile:
+        path: "{{ src_directory }}/{{ kayobe_config_name }}/etc/kayobe/environments/{{ kayobe_config_environment }}/{{ item.path }}"
+        block: "{{ item.block }}"
+        mode: "0644"
+        create: true
+      loop: "{{ kayobe_config_custom }}"
+
     - name: Ensure Kayobe repository is present
       ansible.builtin.git:
         repo: "{{ kayobe_repo }}"

ansible/vars/defaults.yml

@@ -6,6 +6,17 @@ kayobe_config_version: stackhpc/yoga
 kayobe_config_name: kayobe-config
 kayobe_config_environment: ci-multinode
 
+# Custom Kayobe configuration.
+# Can be used to modify a vanilla configuration to avoid creating a branch.
+# Paths are relative to ci-multinode environment.
+# Blocks are applied using the ansible.builtin.blockinfile module.
+# Example:
+# kayobe_config_custom:
+#   - path: time.yml
+#     block: |
+#       timezone: Europe/London
+kayobe_config_custom: []
+
 kayobe_repo: https://github.com/stackhpc/kayobe.git
 kayobe_version: stackhpc/yoga
 kayobe_name: kayobe