# AniWorld Alerting Rules

groups:
  - name: aniworld.rules
    rules:
      # Application Health Alerts
      - alert: AniWorldDown
        expr: up{job="aniworld-web"} == 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "AniWorld application is down"
          description: "AniWorld web application has been down for more than 1 minute."

      - alert: AniWorldHighResponseTime
        expr: histogram_quantile(0.95, rate(flask_request_duration_seconds_bucket[5m])) > 5
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "High response time for AniWorld"
          description: "95th percentile response time is {{ $value }} seconds."

      # System Resource Alerts
      - alert: HighCPUUsage
        expr: aniworld_cpu_usage_percent > 80
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "High CPU usage on AniWorld server"
          description: "CPU usage is above 80% for more than 5 minutes. Current value: {{ $value }}%"

      - alert: HighMemoryUsage
        expr: aniworld_memory_usage_percent > 85
        for: 3m
        labels:
          severity: warning
        annotations:
          summary: "High memory usage on AniWorld server"
          description: "Memory usage is above 85% for more than 3 minutes. Current value: {{ $value }}%"

      - alert: CriticalMemoryUsage
        expr: aniworld_memory_usage_percent > 95
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Critical memory usage on AniWorld server"
          description: "Memory usage is above 95%. Current value: {{ $value }}%"

      - alert: HighDiskUsage
        expr: aniworld_disk_usage_percent > 90
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "High disk usage on AniWorld server"
          description: "Disk usage is above 90% for more than 5 minutes. Current value: {{ $value }}%"

      - alert: CriticalDiskUsage
        expr: aniworld_disk_usage_percent > 95
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Critical disk usage on AniWorld server"
          description: "Disk usage is above 95%. Current value: {{ $value }}%"

      # Database Alerts
      - alert: DatabaseConnectionFailure
        expr: up{job="aniworld-web"} == 1 and aniworld_database_connected == 0
        for: 2m
        labels:
          severity: critical
        annotations:
          summary: "Database connection failure"
          description: "AniWorld cannot connect to the database for more than 2 minutes."

      - alert: SlowDatabaseQueries
        expr: aniworld_database_query_duration_seconds > 5
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "Slow database queries detected"
          description: "Database queries are taking longer than 5 seconds. Current duration: {{ $value }}s"

      # Download Performance Alerts
      - alert: HighDownloadFailureRate
        expr: rate(aniworld_downloads_failed_total[5m]) / rate(aniworld_downloads_total[5m]) > 0.1
        for: 3m
        labels:
          severity: warning
        annotations:
          summary: "High download failure rate"
          description: "Download failure rate is above 10% for the last 5 minutes."

      - alert: NoDownloadActivity
        expr: increase(aniworld_downloads_total[1h]) == 0
        for: 2h
        labels:
          severity: info
        annotations:
          summary: "No download activity detected"
          description: "No downloads have been initiated in the last 2 hours."

      # Process Alerts
      - alert: HighThreadCount
        expr: aniworld_process_threads > 100
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "High thread count in AniWorld process"
          description: "Thread count is above 100 for more than 5 minutes. Current count: {{ $value }}"

      - alert: ProcessMemoryLeak
        expr: increase(aniworld_process_memory_bytes[1h]) > 100000000  # 100MB
        for: 1h
        labels:
          severity: warning
        annotations:
          summary: "Potential memory leak detected"
          description: "Process memory usage has increased by more than 100MB in the last hour."

      # Network Alerts
      - alert: NetworkConnectivityIssue
        expr: aniworld_network_connectivity == 0
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "Network connectivity issue"
          description: "AniWorld is experiencing network connectivity issues."

      # Security Alerts
      - alert: HighFailedLoginAttempts
        expr: increase(aniworld_failed_login_attempts_total[5m]) > 10
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "High number of failed login attempts"
          description: "More than 10 failed login attempts in the last 5 minutes."

      - alert: UnauthorizedAPIAccess
        expr: increase(aniworld_unauthorized_api_requests_total[5m]) > 50
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "High number of unauthorized API requests"
          description: "More than 50 unauthorized API requests in the last 5 minutes."

      # Cache Performance Alerts
      - alert: LowCacheHitRate
        expr: aniworld_cache_hit_rate < 0.7
        for: 10m
        labels:
          severity: info
        annotations:
          summary: "Low cache hit rate"
          description: "Cache hit rate is below 70% for more than 10 minutes. Current rate: {{ $value }}"

  - name: infrastructure.rules
    rules:
      # Redis Alerts
      - alert: RedisDown
        expr: up{job="redis"} == 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Redis is down"
          description: "Redis server has been down for more than 1 minute."

      - alert: RedisHighMemoryUsage
        expr: redis_memory_used_bytes / redis_memory_max_bytes > 0.9
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "Redis high memory usage"
          description: "Redis memory usage is above 90%."

      # Nginx Alerts
      - alert: NginxDown
        expr: up{job="nginx"} == 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Nginx is down"
          description: "Nginx reverse proxy has been down for more than 1 minute."

      - alert: NginxHighErrorRate
        expr: rate(nginx_http_requests_total{status=~"5.."}[5m]) / rate(nginx_http_requests_total[5m]) > 0.05
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "High error rate in Nginx"
          description: "Nginx is returning more than 5% server errors."

  - name: custom.rules
    rules:
      # Custom Business Logic Alerts
      - alert: AnimeCollectionSizeIncreaseStalled
        expr: increase(aniworld_anime_total[24h]) == 0
        for: 48h
        labels:
          severity: info
        annotations:
          summary: "Anime collection size hasn't increased"
          description: "No new anime have been added to the collection in the last 48 hours."

      - alert: EpisodeDownloadBacklog
        expr: aniworld_episodes_pending > 1000
        for: 1h
        labels:
          severity: warning
        annotations:
          summary: "Large episode download backlog"
          description: "More than 1000 episodes are pending download. Current backlog: {{ $value }}"