Add Ollama and Codex desktop integration

ansible/roles/profile_desktop_common/tasks/main.yml

@@ -510,6 +510,12 @@
   tags: [packages]
   ansible.builtin.set_fact:
     desktop_tools_tmp_dir: /tmp/desktop-tools
+    ollama_asset: >-
+      {{
+        'ollama-linux-amd64.tar.zst' if ansible_facts['architecture'] == 'x86_64'
+        else 'ollama-linux-arm64.tar.zst' if ansible_facts['architecture'] in ['aarch64', 'arm64']
+        else ''
+      }}
     gitmux_version: v0.11.5
     bw_version: 1.22.1
     opencode_asset_name: >-
@@ -531,6 +537,12 @@
     msg: "Unsupported architecture {{ ansible_facts['architecture'] }} for OpenCode release binary"
   when: opencode_asset_name == ''
 
+- name: Ensure architecture is supported for Ollama binary
+  tags: [packages]
+  ansible.builtin.fail:
+    msg: "Unsupported architecture {{ ansible_facts['architecture'] }} for Ollama release binary"
+  when: ollama_asset == ''
+
 - name: Ensure architecture is supported for gitmux binary
   tags: [packages]
   ansible.builtin.fail:
@@ -586,6 +598,20 @@
     checksum: "{{ opencode_asset.digest | default(omit) }}"
     mode: "0644"
 
+- name: Download Ollama release archive
+  tags: [packages]
+  ansible.builtin.get_url:
+    url: "https://ollama.com/download/{{ ollama_asset }}"
+    dest: "{{ desktop_tools_tmp_dir }}/{{ ollama_asset }}"
+    mode: "0644"
+  register: ollama_archive_download
+
+- name: Check whether Ollama is already installed
+  tags: [packages]
+  ansible.builtin.stat:
+    path: /usr/local/bin/ollama
+  register: ollama_binary
+
 - name: Extract OpenCode release archive
   tags: [packages]
   ansible.builtin.unarchive:
@@ -603,6 +629,32 @@
     group: root
     mode: "0755"
 
+- name: Remove previous Ollama libraries
+  tags: [packages]
+  ansible.builtin.file:
+    path: /usr/local/lib/ollama
+    state: absent
+  when:
+    - ollama_archive_download.changed or not ollama_binary.stat.exists
+
+- name: Extract Ollama release archive into /usr/local
+  tags: [packages]
+  ansible.builtin.shell: >-
+    zstd -d -c "{{ desktop_tools_tmp_dir }}/{{ ollama_asset }}" |
+    tar -xf - -C /usr/local
+  args:
+    executable: /bin/sh
+  changed_when: true
+  when:
+    - ollama_archive_download.changed or not ollama_binary.stat.exists
+
+- name: Install Codex CLI globally
+  tags: [packages]
+  community.general.npm:
+    name: "@openai/codex"
+    global: true
+    state: present
+
 - name: Set gitmux asset metadata
   tags: [packages]
   ansible.builtin.set_fact:

ansible/roles/services_runit/tasks/main.yml

@@ -30,6 +30,8 @@
       mode: "0755"
     - path: "{{ user_home }}/.local/runit/sv"
       mode: "0755"
+    - path: "{{ user_home }}/.local/runit/sv/ollama"
+      mode: "0755"
     - path: "{{ user_home }}/.local/runit/sv/ssh-agent"
       mode: "0755"
     - path: "{{ user_home }}/.local/state"
@@ -46,6 +48,24 @@
     group: "{{ user_group }}"
     mode: "0755"
 
+- name: Render per-user ollama runit service
+  tags: [services, packages]
+  ansible.builtin.template:
+    src: ollama.run.j2
+    dest: "{{ user_home }}/.local/runit/sv/ollama/run"
+    owner: "{{ username }}"
+    group: "{{ user_group }}"
+    mode: "0755"
+
+- name: Enable per-user ollama runit service
+  tags: [services, packages]
+  ansible.builtin.file:
+    src: "../sv/ollama"
+    dest: "{{ user_home }}/.local/runit/current/ollama"
+    state: link
+    owner: "{{ username }}"
+    group: "{{ user_group }}"
+
 - name: Enable per-user ssh-agent runit service
   tags: [services, packages]
   ansible.builtin.file:

ansible/roles/services_runit/templates/ollama.run.j2

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -eu
+
+exec /usr/local/bin/ollama serve