---
# ChromaDB — vector database for RAG pipelines
- name: Create isolated ChromaDB virtual environment
  command: /usr/bin/python3 -m venv /opt/cezen/chromadb-venv
  args:
    creates: /opt/cezen/chromadb-venv/bin/python

- name: Install pinned ChromaDB in its isolated environment
  pip:
    name: chromadb==0.5.23
    virtualenv: /opt/cezen/chromadb-venv
  retries: 3
  delay: 10

- name: Create ChromaDB data directory
  file:
    path: /opt/cezen/data/chromadb
    state: directory
    owner: cezen
    group: cezen

- name: Create ChromaDB systemd service
  copy:
    dest: /etc/systemd/system/chromadb.service
    content: |
      [Unit]
      Description=ChromaDB Vector Database
      After=network.target

      [Service]
      Type=simple
      User=cezen
      Group=cezen
      WorkingDirectory=/opt/cezen/data/chromadb
      ExecStart=/opt/cezen/chromadb-venv/bin/chroma run \
        --host 0.0.0.0 \
        --port 8100 \
        --path /opt/cezen/data/chromadb
      Restart=always
      RestartSec=5
      Environment="PATH=/opt/cezen/chromadb-venv/bin:/usr/local/bin:/usr/bin:/bin"

      [Install]
      WantedBy=multi-user.target
    mode: "0644"

- name: Enable and start ChromaDB
  systemd:
    name: chromadb
    enabled: yes
    state: started
    daemon_reload: yes

- name: Wait for ChromaDB to be ready
  wait_for:
    host: localhost
    port: 8100
    timeout: 60
  ignore_errors: true