from prometheus_client import Gauge, Counter, start_http_server

# -----------------------------
# METRICS
# -----------------------------

# Node metrics
node_cpu = Gauge("fester_node_cpu", "CPU load per node", ["node"])
node_temp = Gauge("fester_node_temp", "Temperature per node", ["node"])

# Pipeline metrics
pipeline_actions = Counter("fester_pipeline_actions_total", "Total actions", ["state"])
cache_hits = Counter("fester_cache_hits_total", "Cache hits", ["target"])

# Scheduler metrics
scheduler_score = Gauge("fester_scheduler_score", "Node score", ["node", "target"])

# -----------------------------
# EXPORTER START
# -----------------------------
def start_metrics_server(port=9109):
    start_http_server(port)