# mk-labs Honcho deriver worker (background queue consumer)
# Managed by Ansible - honcho role

[Unit]
Description=Honcho deriver worker
After=network-online.target {{ honcho_postgres_container_name }}.service {{ honcho_container_name }}.service
Wants=network-online.target
Requires={{ honcho_postgres_container_name }}.service

[Container]
Image={{ honcho_image }}
ContainerName={{ honcho_deriver_container_name }}
Network={{ honcho_network_name }}

# Invoke the package's __main__.py — src/deriver/deriver.py has no
# __main__ guard and exits 0 in ~3s if invoked directly, causing systemd
# to crash-loop the unit. python -m src.deriver hits __main__.py and
# starts the real queue processor.
WorkingDir=/app
Exec=/app/.venv/bin/python -m src.deriver

# -- Database ---------------------------------------------------------------
Environment=DB_CONNECTION_URI=postgresql+psycopg://{{ honcho_db_user }}:{{ honcho_db_password }}@{{ honcho_postgres_container_name }}:5432/{{ honcho_db_name }}

# -- Auth -------------------------------------------------------------------
Environment=AUTH_USE_AUTH={{ honcho_auth_enabled | string | lower }}
Environment=AUTH_JWT_SECRET={{ honcho_jwt_secret }}

# -- LLM provider keys ------------------------------------------------------
{% if honcho_llm_transport == 'anthropic' %}
Environment=LLM_ANTHROPIC_API_KEY=*** honcho_anthropic_api_key }}
{% endif %}
{% if honcho_openai_api_key | length > 0 %}
Environment=LLM_OPENAI_API_KEY=*** honcho_openai_api_key }}
Environment=OPENAI_API_KEY=*** honcho_openai_api_key }}
{% endif %}

# -- Deriver runtime --------------------------------------------------------
Environment=DERIVER_ENABLED={{ honcho_deriver_enabled | string | lower }}
Environment=DERIVER_WORKERS={{ honcho_deriver_workers }}
Environment=DERIVER_POLLING_SLEEP_INTERVAL_SECONDS={{ honcho_deriver_polling_seconds }}
Environment=DERIVER_FLUSH_ENABLED={{ honcho_deriver_flush_enabled | string | lower }}
Environment=DERIVER_MODEL_CONFIG__TRANSPORT={{ honcho_llm_transport }}
Environment=DERIVER_MODEL_CONFIG__MODEL={{ honcho_deriver_model }}

# -- Summary subsystem ------------------------------------------------------
Environment=SUMMARY_MODEL_CONFIG__TRANSPORT={{ honcho_llm_transport }}
Environment=SUMMARY_MODEL_CONFIG__MODEL={{ honcho_summary_model }}

# -- Embeddings -------------------------------------------------------------
Environment=EMBED_MESSAGES={{ honcho_embed_messages | string | lower }}
Environment=EMBEDDING__MODEL_CONFIG__TRANSPORT={{ honcho_embedding_transport }}
Environment=EMBEDDING__MODEL_CONFIG__MODEL={{ honcho_embedding_model }}
{% if honcho_embedding_base_url | length > 0 %}
Environment=EMBEDDING__MODEL_CONFIG__BASE_URL={{ honcho_embedding_base_url }}
{% endif %}

# -- Vector store -----------------------------------------------------------
Environment=VECTOR_STORE_TYPE=pgvector

# Timezone matches host baseline
Environment=TZ=America/Chicago
Environment=LOG_LEVEL=INFO

[Service]
Restart=always
TimeoutStartSec=180

[Install]
WantedBy=multi-user.target default.target