feat: uniform system.content source schema across installers and repositories

roles/configuration/templates/debian.sources.list.j2

@@ -1,6 +1,6 @@
 # Managed by Ansible.
 {% set release = _debian_release_map[os_version | string] | default('trixie') %}
-{% set mirror = system_cfg.mirror | default('http://deb.debian.org/debian', true) %}
+{% set mirror = system_cfg.content.url | default('http://deb.debian.org/debian', true) %}
 {% set components = 'main contrib non-free non-free-firmware' %}
 
 deb {{ mirror }} {{ release }} {{ components }}

roles/configuration/templates/el_mirror.repo.j2

@@ -0,0 +1,17 @@
+[{{ os }}{{ os_version_major }}-baseos]
+name={{ os }} {{ os_version_major }} BaseOS
+baseurl={{ system_cfg.content.url }}/BaseOS
+enabled=1
+gpgcheck={{ 1 if system_cfg.content.gpgcheck | bool else 0 }}
+{% if system_cfg.content.proxy | length > 0 %}
+proxy={{ system_cfg.content.proxy }}
+{% endif %}
+
+[{{ os }}{{ os_version_major }}-appstream]
+name={{ os }} {{ os_version_major }} AppStream
+baseurl={{ system_cfg.content.url }}/AppStream
+enabled=1
+gpgcheck={{ 1 if system_cfg.content.gpgcheck | bool else 0 }}
+{% if system_cfg.content.proxy | length > 0 %}
+proxy={{ system_cfg.content.proxy }}
+{% endif %}

roles/configuration/templates/ubuntu.sources.list.j2

@@ -1,6 +1,6 @@
 # Managed by Ansible.
 {% set release = _ubuntu_release_map[os] | default('resolute') %}
-{% set mirror = system_cfg.mirror %}
+{% set mirror = system_cfg.content.url %}
 {% set components = 'main restricted universe multiverse' %}
 
 deb {{ mirror }} {{ release }} {{ components }}