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Example Chain with Virtualizer service

This is an example chain to show how to run queries in Virtualizer from a chain.

Local deployment

To set up the chain locally, follow the steps in the main README of this repository. Here is a summary of the steps:

  1. Make sure you have Python >= 3.9 and Poetry installed.

  2. Edit the pyproject.toml and change the URL of the stratio-releases repository. You should use the URL of the Stratio GenAI Developer Proxy Load Balancer including path "/service/genai-api/v1/pypi/simple".

[[tool.poetry.source]]
name = "stratio-releases"
url = "https://genai-developer-proxy-loadbalancer.your-tenant-genai.yourdomain.com:8080/service/genai-api/v1/pypi/simple/"
priority = "supplemental"
  1. Install the dependencies with Poetry. Replace /path/to/your/cert/folder/ca-cert.crt with the path to the CA certificate file.
$ poetry config virtualenvs.in-project true
$ poetry config certificates.stratio-releases.cert /path/to/your/cert/folder/ca-cert.crt
$ poetry lock --no-update
$ poetry install
  1. Configure the environment variables executing the script scripts/create_env_file.py. You will find the environment variables in the files genai-env.env and genai-env.sh in the genai-examples/scripts folder. This chain uses the following environment variables:
GENAI_API_SERVICE_NAME=genai-api-test.s000001-genai
VAULT_LOCAL_CLIENT_CERT=/path/to/certs/user.crt
VAULT_LOCAL_CLIENT_KEY=/path/to/certs/user_private.key
VAULT_LOCAL_CA_CERTS=/path/to/certs/ca-cert.crt
VIRTUALIZER_HOST=genai-developer-proxy-loadbalancer.your-tenant-genai.yourdomain.com
VIRTUALIZER_PORT=8080
VIRTUALIZER_BASE_PATH=/service/virtualizer

  1. Run the chain virtualizer_chain/main.py. You can do it in the terminal or in PyCharm. You can open the Swagger UI in the URL http://127.0.0.1:8080/.

  2. Invoke the chain using the POST /invoke endpoint with the following request body. Replace <your-user> and <your-tenant> with your user and tenant:

{
  "input": {
     "query": "SELECT 1 as id"
  },
  "config": {
    "metadata": {
      "__genai_state": {
        "client_auth_type": "mtls",
        "client_user_id": "<your-user>",
        "client_tenant": "<your-tenant>"
      }
    }
  }
}

Deployment in the Stratio GenAI API

To deploy the chain in the Stratio GenAI API, follow the steps in the main README of this repository. Here is a summary of the steps:

  1. Build the chain package with the command poetry build.
  2. Open the Swagger UI of the Stratio GenAI API installed in your development environment.
  3. Upload the chain package with the endpoint POST /v1/packages.
  4. Deploy the chain with the endpoint POST /v1/chains and the request body:
{
  "chain_id": "virtualizer_chain",
  "chain_config": {
    "package_id": "virtualizer_chain-0.3.1a0",
    "chain_module": "virtualizer_chain.chain",
    "chain_class": "VirtualizerChain",
    "chain_params": {
      "virtualizer_host": "virtualizer.s000001-apps",
      "virtualizer_port": "13422"
    }
  }
}
  1. Invoke the chain using the POST /v1/chains/virtualizer_chain/invoke endpoint with the following request body. You don't need to include your credentials in the metadata, GenAI API will set them automatically:
{
  "input": {
     "query": "SELECT 1 as id"
  }
}