Prometheus#

GET http://<vclu-ip>:8080/metrics

# HELP vclu_uptime_seconds Time since vCLU started in seconds
# TYPE vclu_uptime_seconds gauge
vclu_uptime_seconds 86400.00

# HELP vclu_memory_mb Current memory usage in megabytes
# TYPE vclu_memory_mb gauge
vclu_memory_mb 12.34

# HELP vclu_lua_executions_total Total Lua script executions
# TYPE vclu_lua_executions_total counter
vclu_lua_executions_total 5678
...

{
  "metrics": {
    "enabled": true,
    "auth": false,
    "username": "",
    "password": ""
  }
}

scrape_configs:
  - job_name: 'vclu'
    scrape_interval: 30s
    static_configs:
      - targets: ['192.168.1.100:8080']
        labels:
          instance: 'vclu-salon'

scrape_configs:
  - job_name: 'vclu'
    scrape_interval: 30s
    basic_auth:
      username: 'prometheus'
      password: 'secret'
    static_configs:
      - targets: ['192.168.1.100:8080']

scrape_configs:
  - job_name: 'vclu'
    scrape_interval: 30s
    static_configs:
      - targets:
          - '192.168.1.100:8080'
          - '192.168.1.101:8080'
          - '192.168.1.102:8080'
        labels:
          env: 'production'

# Zuzycie pamieci (MB)
vclu_memory_mb

# Bledy Lua w ostatniej godzinie
increase(vclu_lua_errors_total[1h])

# Srednia liczba komend na minute (5 min)
avg_over_time(vclu_commands_rate[5m])

# HTTP error rate (%)
rate(vclu_http_errors_4xx_total[5m]) + rate(vclu_http_errors_5xx_total[5m])
/ rate(vclu_http_requests_total[5m]) * 100

# Czy MQTT jest polaczony
vclu_mqtt_connected == 1

# Tempo wiadomosci MQTT (msg/min)
rate(vclu_mqtt_published_total[5m]) * 60

# Uptime w dniach
vclu_uptime_seconds / 86400

# alert.rules.yml
groups:
  - name: vclu
    rules:
      - alert: VCLUDown
        expr: up{job="vclu"} == 0
        for: 2m
        labels:
          severity: critical
        annotations:
          summary: "vCLU {{ $labels.instance }} jest niedostepny"

      - alert: VCLUHighMemory
        expr: vclu_memory_mb > 100
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "vCLU {{ $labels.instance }} zuzywa >100MB pamieci"

      - alert: VCLUMQTTDisconnected
        expr: vclu_mqtt_connected == 0
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "vCLU {{ $labels.instance }} stracil polaczenie MQTT"

      - alert: VCLULuaErrors
        expr: increase(vclu_lua_errors_total[5m]) > 10
        labels:
          severity: warning
        annotations:
          summary: "vCLU {{ $labels.instance }} - >10 bledow Lua w 5 minut"