# Alertmanager Helm Values
# Chart: https://github.com/prometheus-community/helm-charts/tree/main/charts/alertmanager

fullnameOverride: alertmanager

persistence:
  enabled: true
  size: 1Gi
  storageClass: longhorn  # Migrated from local-path to Longhorn (replica=3)

resources:
  requests:
    cpu: 10m
    memory: 32Mi

# Prometheus ServiceMonitor 설정
serviceMonitor:
  enabled: true
  additionalLabels:
    release: prometheus
  namespace: prometheus

# SMTP Secret 환경변수 주입
extraEnv:
  - name: SMTP_PASSWORD
    valueFrom:
      secretKeyRef:
        name: alertmanager-smtp
        key: smtp_auth_password

config:
  global:
    resolve_timeout: 5m
    smtp_smarthost: "smtp.mail.me.com:587"
    smtp_from: "bluemayne0213@icloud.com"
    smtp_auth_username: "bluemayne0213@icloud.com"
    smtp_auth_password: $(SMTP_PASSWORD)
    smtp_require_tls: true
  route:
    group_by: ["alertname", "cluster", "service"]
    group_wait: 30s
    group_interval: 5m
    repeat_interval: 4h
    receiver: "email"
    routes:
    # Critical - 즉시 전송
    - match:
        severity: critical
      receiver: "email"
      group_wait: 10s
      repeat_interval: 1h
    # Warning
    - match:
        severity: warning
      receiver: "email"
      group_wait: 1m
      repeat_interval: 4h
    # Watchdog 제외 (항상 firing)
    - match:
        alertname: Watchdog
      receiver: "null"
  receivers:
  - name: "email"
    email_configs:
    - to: "bluemayne0213@icloud.com"
      send_resolved: true
      headers:
        subject: "[{{ .Status | toUpper }}] {{ .CommonLabels.alertname }}"
  - name: "null"
  inhibit_rules:
  - source_match:
      severity: "critical"
    target_match:
      severity: "warning"
    equal: ["alertname", "cluster", "service"]