Environment Variables

This example shows how to manage environment variables for container deployments in Verda.

Environment Variables

"""
This example demonstrates how to manage environment variables for container deployments.
It shows how to:
1. Get environment variables for a deployment
2. Add new environment variables to a container
3. Update existing environment variables
4. Delete environment variables
"""

import os

from verda import VerdaClient
from verda.containers import EnvVar, EnvVarType

# Get client secret and id from environment variables
CLIENT_ID = os.environ.get('VERDA_CLIENT_ID')
CLIENT_SECRET = os.environ.get('VERDA_CLIENT_SECRET')

# Initialize Verda client
verda = VerdaClient(CLIENT_ID, CLIENT_SECRET)

# Example deployment and container names
DEPLOYMENT_NAME = 'my-deployment'
CONTAINER_NAME = 'main'


def print_env_vars(env_vars: dict[str, list[EnvVar]]) -> None:
    """Helper function to print environment variables"""
    print('\nCurrent environment variables:')
    for container_name, ev in env_vars.items():
        print(f'\nContainer: {container_name}')
        for var in ev:
            print(f'  {var.name}: {var.value_or_reference_to_secret} ({var.type})')


def main():
    # First, let's get the current environment variables
    print('Getting current environment variables...')
    env_vars = verda.containers.get_deployment_environment_variables(DEPLOYMENT_NAME)
    print_env_vars(env_vars)

    # Create a new secret
    secret_name = 'my-secret-key'
    verda.containers.create_secret(secret_name, 'my-secret-value')

    # Add new environment variables
    print('\nAdding new environment variables...')
    new_env_vars = [
        EnvVar(
            name='API_KEY',
            value_or_reference_to_secret=secret_name,
            type=EnvVarType.SECRET,
        ),
        EnvVar(name='DEBUG', value_or_reference_to_secret='true', type=EnvVarType.PLAIN),
    ]

    env_vars = verda.containers.add_deployment_environment_variables(
        deployment_name=DEPLOYMENT_NAME,
        container_name=CONTAINER_NAME,
        env_vars=new_env_vars,
    )
    print_env_vars(env_vars)

    # Update existing environment variables
    print('\nUpdating environment variables...')
    updated_env_vars = [
        EnvVar(name='DEBUG', value_or_reference_to_secret='false', type=EnvVarType.PLAIN),
    ]

    env_vars = verda.containers.update_deployment_environment_variables(
        deployment_name=DEPLOYMENT_NAME,
        container_name=CONTAINER_NAME,
        env_vars=updated_env_vars,
    )
    print_env_vars(env_vars)

    # Delete environment variables
    print('\nDeleting environment variables...')
    env_vars = verda.containers.delete_deployment_environment_variables(
        deployment_name=DEPLOYMENT_NAME,
        container_name=CONTAINER_NAME,
        env_var_names=['DEBUG'],
    )
    print_env_vars(env_vars)


if __name__ == '__main__':
    main()