from prometheus_client import Gauge, Counter APP_UP = Gauge( "app_up", "Indicates if the application is running (1) or shutting down (0)", ["pod_id"], ) CORE_LABELS = ["pod_id", "model_name", "pipeline_name"] EMAIL_SENT_COUNT = Counter( "email_sent_count", "Number of emails sent", [*CORE_LABELS, "email_group"], )