+ - name: network
+ rules:
+ - alert: interface transmit rate
+ expr: rate(node_network_transmit_bytes_total[1m]) / node_network_speed_bytes > 0.98
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ bandwidth_used: "{{ $value | humanizePercentage }}"
+ - alert: interface receive rate
+ expr: rate(node_network_receive_bytes_total[1m]) / node_network_speed_bytes > 0.98
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ bandwidth_used: "{{ $value | humanizePercentage }}"
+ - alert: interface transmit errors
+ expr: rate(node_network_transmit_errs_total[1m]) / rate(node_network_transmit_packets_total[1m]) > 0.01
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ error_rate: "{{ $value | humanizePercentage }}"
+ - alert: interface receive errors
+ expr: rate(node_network_receive_errs_total[1m]) / rate(node_network_receive_packets_total[1m]) > 0.01
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ error_rate: "{{ $value | humanizePercentage }}"
+ - alert: conntrack entries
+ expr: node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ entries_used: "{{ $value | humanizePercentage }}"
+ - name: postgresql
+ rules:
+ - alert: postgresql down
+ expr: pg_up == 0
+ for: 1m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - alert: postgresql replication delay
+ expr: pg_replication_lag_seconds > 5
+ for: 1m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ delay: "{{ $value | humanizeDuration }}"
+ - alert: postgresql connection limit
+ expr: sum (pg_stat_activity_count) by (instance, server) / sum (pg_settings_max_connections) by (instance, server) > 0.8
+ for: 1m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ connections_used: "{{ $value | humanizePercentage }}"
+ - alert: postgresql deadlocks
+ expr: increase(pg_stat_database_deadlocks[1m]) > 5
+ for: 0m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ new_deadlocks: "{{ $value }}"
+ - alert: postgresql slow queries
+ expr: pg_slow_queries > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ queries: "{{ $value }}"
+ - name: smart
+ rules:
+ - alert: smart failure
+ expr: smart_health_status == 0
+ for: 60m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - alert: smart ssd wearout approaching
+ expr: smart_percentage_used >= 90
+ for: 60m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ percentage_used: "{{ $value | humanizePercentage }}"
+ - name: ssl
+ rules:
+ - alert: ssl certificate probe failed
+ expr: ssl_probe_success == 0
+ for: 60m
+ labels:
+ alertgroup: ssl
+ - alert: ssl certificate expiry
+ expr: ssl_verified_cert_not_after{chain_no="0"} - time() < 86400 * 14
+ for: 0m
+ labels:
+ alertgroup: ssl
+ annotations:
+ expires_in: "{{ $value | humanizeDuration }}"
+ - alert: ssl certificate revoked
+ expr: ssl_ocsp_response_status == 1
+ for: 0m
+ labels:
+ alertgroup: ssl
+ - alert: ocsp status unknown
+ expr: ssl_ocsp_response_status == 1
+ for: 0m
+ labels:
+ alertgroup: ssl