initial implementation: common config repo

roles/base_packages/defaults/main.yml

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+---
+
+apt_packages:
+  - xz-utils
+  - tree
+  - nano

roles/base_packages/tasks/main.yml

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+---
+
+- name: Install baseline packages
+  ansible.builtin.apt:
+    name: "{{ apt_packages }}"
+    state: present
+    update_cache: true
+    cache_valid_time: 3600

roles/example_config/defaults/main.yml

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+---
+
+signalytic_config_dir: /etc/signalytic
+
+# Overridden by group_vars/all.yml (common repo) and host_vars.yml (local repo).
+group_version: "unset"
+host_version: "unset"

roles/example_config/tasks/main.yml

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+---
+
+- name: Create signalytic config directory
+  ansible.builtin.file:
+    path: "{{ signalytic_config_dir }}"
+    state: directory
+    owner: root
+    group: root
+    mode: "0755"
+
+- name: Render example.conf
+  ansible.builtin.template:
+    src: example.conf.j2
+    dest: "{{ signalytic_config_dir }}/example.conf"
+    owner: root
+    group: root
+    mode: "0644"

roles/example_config/templates/example.conf.j2

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+group_version = {{ group_version }}
+host_version = {{ host_version }}