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Service Component

The service component of needlectl manages the core operations of Needle. It connects to the Needle backend service and uses Docker Compose to start, stop, restart, check status, view logs, update components, and configure the service environment.

Note: Most commands rely on the --api-url option (default: http://127.0.0.1:8000) to connect to the backend API. You can set this globally if needed.

Commands Overview

start

Starts the Needle services by launching the required Docker containers and waiting for the backend API to become available.

  • What it does:

    • Uses the Docker Compose Manager to start containers.
    • Calls the backend API and waits until it is accessible.
  • Usage Example:

    needlectl service start
    
  • Output: Displays messages indicating that the services are starting, and if the backend API becomes available, it prints “Services started.” If not, an error is shown.

stop

Stops the Needle services by shutting down the Docker containers.

  • What it does:

    • Uses the Docker Compose Manager to stop all running containers.
  • Usage Example:

     needlectl service stop
    
  • Output: A confirmation message “Services stopped.” is printed once the containers are shut down.

restart

Restarts the Needle services by first stopping and then starting the Docker containers again. It also waits for the backend API to be available after the restart.

  • Usage Example:
    needlectl service restart
    

stop

Stops the Needle services by shutting down the Docker containers.

  • What it does:

    • Uses the Docker Compose Manager to restart containers.
    • Waits for the backend API to respond after restarting.
  • Output: Displays messages for restarting and confirms when the services have been restarted successfully.

  • Usage Example:

    needlectl service stop
    

status

Retrieves and displays the current status of Needle services using the backend API.

  • Usage Example:
    needlectl service status
    

log

Displays the logs from the Needle backend service.

  • Usage Example:
    needlectl service log
    

update

Updates Needle components to the latest versions.

  • Options:

    • --force or -f: Force update even if already up to date
    • --component or -c: Update specific component (needlectl, backend, ui, or all)
  • What it does:

    • Checks for the latest release information
    • Shows current versions of all components
    • Updates the specified components
    • Provides status updates during the process
  • Usage Examples:

    # Update all components
    needlectl service update
    
    # Update only the backend
    needlectl service update --component backend
    
    # Force update even if up to date
    needlectl service update --force
    
  • Output: Displays current and latest versions, then updates the specified components with progress indicators.

config

Manages the configuration for the Needle service environment.

  • Usage Example:
    needlectl service config
    

Warning: Changes made via this command can affect service operations. Ensure you understand the impact before making modifications.