Initial snapshot before transformerlab recovery

ansible/roles/ollama/defaults/main.yml

@@ -0,0 +1,5 @@
+---
+# Default variables for Ollama role
+
+ollama_port: 11434
+ollama_host: "0.0.0.0"

ansible/roles/ollama/handlers/main.yml

@@ -0,0 +1,9 @@
+---
+# Handlers for Ollama role
+
+- name: Start Ollama service
+  ansible.builtin.systemd:
+    name: ollama
+    state: started
+    enabled: yes
+  become: yes

ansible/roles/ollama/tasks/main.yml

@@ -0,0 +1,67 @@
+---
+# Ollama installation and setup
+
+- name: Check if Ollama is already installed
+  ansible.builtin.command: ollama --version
+  register: ollama_version_check
+  changed_when: false
+  failed_when: false
+
+- name: Install Ollama (Linux)
+  ansible.builtin.shell: |
+    curl -fsSL https://ollama.com/install.sh | sh
+  when:
+    - ansible_os_family == "Debian"
+    - ollama_version_check.rc != 0
+  become: yes
+  notify: Start Ollama service
+
+- name: Install Ollama (macOS via Homebrew)
+  ansible.builtin.homebrew:
+    name: ollama
+    state: present
+  when:
+    - ansible_os_family == "Darwin"
+    - ollama_version_check.rc != 0
+
+- name: Check if Ollama service exists
+  ansible.builtin.command: systemctl list-unit-files ollama.service
+  register: ollama_service_check
+  changed_when: false
+  failed_when: false
+  when: ansible_os_family == "Debian"
+
+- name: Ensure Ollama service is running (Linux)
+  ansible.builtin.systemd:
+    name: ollama
+    state: started
+    enabled: yes
+  become: yes
+  when:
+    - ansible_os_family == "Debian"
+    - ollama_version_check.rc == 0
+    - ollama_service_check.stdout is defined
+    - "'ollama.service' in ollama_service_check.stdout"
+  ignore_errors: yes
+
+- name: Start Ollama manually if no systemd service
+  ansible.builtin.shell: |
+    pkill -f "ollama serve" 2>/dev/null || true
+    nohup ollama serve > {{ llmlab_base }}/.llmlab/logs/ollama.log 2>&1 &
+  when:
+    - ansible_os_family == "Debian"
+    - ollama_version_check.rc == 0
+    - (ollama_service_check.stdout is not defined or "'ollama.service' not in ollama_service_check.stdout")
+  become: no
+  ignore_errors: yes
+
+- name: Wait for Ollama to be ready
+  ansible.builtin.wait_for:
+    port: 11434
+    delay: 5
+    timeout: 60
+  when: ollama_version_check.rc == 0
+
+- name: Display Ollama version
+  ansible.builtin.debug:
+    msg: "Ollama installed: {{ ollama_version_check.stdout }}"