devstack-plugin-prometheus/devstack/lib/prometheus

# lib/watcher
# Functions to control the installation and configuration of the watcher services

pre_install_prometheus() {
    # Install OS packages if necessary with "install_package ...".
}

install_prometheus() {
    # Install the service.
}

configure_prometheus() {
    # Configure the service.
}

init_prometheus() {
    # Initialize and start the service.
}

shutdown_prometheus() {
    # Shut the service down.
}

cleanup_prometheus() {
    # Cleanup the service.
}