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|
groups:
- name: Prometheus
rules:
- alert: PrometheusTargetMissing
expr: up == 0
for: 10m
labels:
severity: critical
annotations:
summary: |-
Prometheus target missing (instance {{ $labels.instance }})
description: |-
A Prometheus target has disappeared. An exporter might be crashed.
VALUE = {{ $value }}
LABELS = {{ $labels }}
- name: Host
rules:
- alert: HostOutOfMemory
expr: (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < .10)
for: 2m
labels:
severity: warning
annotations:
summary: |-
Host out of memory (instance {{ $labels.instance }})
description: |-
Node memory is filling up (< 10% left)
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostMemoryUnderMemoryPressure
expr: (rate(node_vmstat_pgmajfault[5m]) > 1000)
for: 0m
labels:
severity: warning
annotations:
summary: |-
Host memory under memory pressure (instance {{ $labels.instance }})
description: |-
The node is under heavy memory pressure. High rate of loading memory pages from disk.
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostUnusualDiskReadRate
expr: (rate(node_disk_io_time_seconds_total[5m]) > .80)
for: 0m
labels:
severity: warning
annotations:
summary: |-
Host unusual disk read rate (instance {{ $labels.instance }})
description: |-
Disk is too busy (IO wait > 80%)
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostOutOfDiskSpace
expr: (node_filesystem_avail_bytes{fstype!~"^(fuse.*|-tmpfs|cifs|nfs)",mountpoint!="/media/usb"} / node_filesystem_size_bytes < .10 and on (instance, device, mountpoint) node_filesystem_readonly == 0)
for: 2m
labels:
severity: critical
annotations:
summary: |-
Host out of disk space (instance {{ $labels.instance }})
description: |-
Disk is almost full (< 10% left)
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostHighCpuLoad
expr: 1 - (avg by (instance) (rate(node_cpu_seconds_total{mode="idle"}[5m]))) > .80
for: 10m
labels:
severity: warning
annotations:
summary: |-
Host high CPU load (instance {{ $labels.instance }})
description: |-
CPU load is > 80%
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostUnusualNetworkThroughputOut
expr: ((rate(node_network_transmit_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)
for: 0m
labels:
severity: warning
annotations:
summary: |-
Host unusual outbound network traffic (instance {{ $labels.instance }})
description: |-
Host transmit bandwidth is high (>80%)
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostUnusualNetworkThroughputIn
expr: ((rate(node_network_receive_bytes_total[5m]) / on(instance, device) node_network_speed_bytes) > .80)
for: 0m
labels:
severity: warning
annotations:
summary: |-
Host unusual inbound network traffic (instance {{ $labels.instance }})
description: |-
Host receive bandwidth is high (>80%)
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: HostServiceDown
expr: count(s6_rc_service_up{bundle="default", service=~".*-srv"}) by (instance, service) == 0
for: 0m
labels:
severity: critical
annotations:
summary: |-
s6-rc service down (instance {{ $labels.instance }})
description: |-
s6-rc service {{ $labels.service }} on {{ $labels.instance }} is down!
VALUE = {{ $value }}
LABELS = {{ $labels }}
- name: Traefik
rules:
- alert: TraefikHighHttp4xxErrorRateService
expr: sum(rate(traefik_service_requests_total{service!~".*go-away@.*",code=~"4.*"}[3m])) by (service) / sum(rate(traefik_service_requests_total[3m])) by (service) * 100 > 5
for: 5m
labels:
severity: critical
annotations:
summary: |-
Traefik high HTTP 4xx error rate service (instance {{ $labels.instance }})
description: |-
Traefik service 4xx error rate is above 5%
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: TraefikHighHttp5xxErrorRateService
expr: sum(rate(traefik_service_requests_total{code=~"5.*"}[3m])) by (service) / sum(rate(traefik_service_requests_total[3m])) by (service) * 100 > 5
for: 5m
labels:
severity: critical
annotations:
summary: |-
Traefik high HTTP 5xx error rate service (instance {{ $labels.instance }})
description: |-
Traefik service 5xx error rate is above 5%
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: TraefikLatencyHigh
expr: histogram_quantile(0.99, sum(rate(traefik_entrypoint_request_duration_seconds_bucket{entrypoint=~"https?"}[3m])) by (le, instance)) > 10
for: 5m
labels:
severity: warning
annotations:
summary: |-
Traefik latency high (instance {{ $labels.instance }})
description: |-
Traefik p99 latency is higher than 10 seconds
VALUE = {{ $value }}
LABELS = {{ $labels }}
- name: Podman
rules:
- alert: ContainerHighMemoryUsage
expr: (sum(podman_container_mem_usage_bytes{name!~".*-(infra|-service)$"}) BY (instance, pod_name, name) / sum(podman_container_mem_limit_bytes > 0) BY (instance, pod_name, name) * 100) > 80
for: 2m
labels:
severity: warning
annotations:
summary: |-
Container High Memory usage (instance {{ $labels.instance }})
description: |-
Container Memory usage is above 80%
VALUE = {{ $value }}
LABELS = {{ $labels }}
- alert: ContainerLowMemoryUsage
expr: (sum(podman_container_mem_usage_bytes{name!~".*-(infra|-service)$"}) BY (instance, pod_name, name) / sum(podman_container_mem_limit_bytes > 0) BY (instance, pod_name, name) * 100) < 20
for: 7d
labels:
severity: info
annotations:
summary: |-
Container Low Memory usage (instance {{ $labels.instance }})
description: |-
Container Memory usage is under 20% for 1 week. Consider reducing the allocated memory.
VALUE = {{ $value }}
LABELS = {{ $labels }}
- name: BadBots
rules:
- alert: BadBotsFail2BanRate
expr: rate(f2b_jail_banned_current[15m]) > 10
for: 0m
labels:
severity: warning
annotations:
summary: |-
Increased rate of bans
description: |-
Fail2Ban has banned more than 10 IPs in the last 15 minutes.
VALUE = {{ $value }}
LABELS = {{ $labels }}
# - alert: BadBotsGoAway...
# expr: rate(f2b_jail_banned_current[15m]) > 10
# for: 0m
# labels:
# severity: warning
# annotations:
# summary: |-
# Increased rate of bans
# description: |-
# Fail2Ban has banned more than 10 IPs in the last 15 minutes.
# VALUE = {{ $value }}
# LABELS = {{ $labels }}
|
