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apiVersion: monitoring.coreos.com/v1 | ||
kind: PrometheusRule | ||
metadata: | ||
namespace: justice-gov-uk-production | ||
labels: | ||
prometheus: prometheus-operator | ||
role: alert-rules | ||
release: prometheus-operator | ||
name: temp-monitoring-rules-justice-gov-uk-production | ||
spec: | ||
groups: | ||
- name: kubernetes-apps | ||
rules: | ||
- alert: KubeQuotaAlmostFull | ||
annotations: | ||
description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage }} of its {{ $labels.resource }} quota. | ||
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubequotaalmostfull | ||
summary: Namespace quota is going to be full. | ||
expr: | | ||
kube_resourcequota{job="kube-state-metrics", type="used"} | ||
/ ignoring(instance, job, type) | ||
(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0) | ||
> 0.9 < 1 | ||
for: 15m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
- alert: KubeQuota-Exceeded | ||
annotations: | ||
message: Namespace {{ $labels.namespace }} is using {{ printf "%0.0f" $value | ||
}}% of its {{ $labels.resource }} quota. | ||
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubequotaexceeded | ||
expr: |- | ||
100 * kube_resourcequota{job="kube-state-metrics", type="used", namespace="justice-gov-uk-production"} | ||
/ ignoring(instance, job, type) | ||
(kube_resourcequota{job="kube-state-metrics", type="hard", namespace="justice-gov-uk-production"} > 0) | ||
> 90 | ||
for: 15m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
- alert: KubePodCrashLooping | ||
# pint file/disable alerts/template | ||
annotations: | ||
message: Pod {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.container | ||
}}) is restarting {{ printf "%.2f" $value }} times / 5 minutes. | ||
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepodcrashlooping | ||
expr: |- | ||
rate(kube_pod_container_status_restarts_total{job="kube-state-metrics", namespace="justice-gov-uk-production"}[15m]) * 60 * 5 > 0 | ||
for: 1h | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
- alert: KubePodNotReady | ||
annotations: | ||
message: Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready | ||
state for longer than an hour. | ||
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepodnotready | ||
expr: |- | ||
sum by (namespace, pod) (kube_pod_status_phase{job="kube-state-metrics", phase=~"Pending|Unknown", namespace="justice-gov-uk-production"}) | ||
> 0 | ||
for: 1h | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
- alert: KubeDeploymentGenerationMismatch | ||
annotations: | ||
message: Deployment generation for {{ $labels.namespace }}/{{ $labels.deployment | ||
}} does not match, this indicates that the Deployment has failed but has | ||
not been rolled back. | ||
runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedeploymentgenerationmismatch | ||
expr: |- | ||
kube_deployment_status_observed_generation{job="kube-state-metrics", namespace="justice-gov-uk-production"} | ||
!= | ||
kube_deployment_metadata_generation{job="kube-state-metrics", namespace="justice-gov-uk-production"} | ||
for: 15m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- name: application-rules | ||
rules: | ||
|
||
- alert: SlowResponses | ||
annotations: | ||
message: For 3 minutes, more than 1% of requests were slower than 5 seconds. | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#SlowResponse | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s-nginx-ingress-prometheus-ng2/5178fc76-29af-51b9-83a8-cbab85db37a6 | ||
?orgId=1&refresh=1m&var-controller_class=All&var-pod=All&var-datasource=default&from=now-1h&to=now | ||
&var-namespace=All&var-ingress=justice-gov-uk-production-ingress-modsec | ||
expr: |- | ||
histogram_quantile( | ||
0.99, | ||
sum by (le, ingress) ( | ||
rate( | ||
nginx_ingress_controller_request_duration_seconds_bucket{exported_namespace="justice-gov-uk-production",status!="404",status!="500"}[1m] | ||
) | ||
) | ||
) > 5 | ||
for: 3m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- alert: SlownessOutage | ||
annotations: | ||
message: For 3 minutes, more than 10% of requests were slower than 7.5 seconds. | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#SlownessOutage | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s-nginx-ingress-prometheus-ng2/5178fc76-29af-51b9-83a8-cbab85db37a6 | ||
?orgId=1&refresh=1m&var-controller_class=All&var-pod=All&var-datasource=default&from=now-1h&to=now | ||
&var-namespace=All&var-ingress=justice-gov-uk-production-ingress-modsec | ||
expr: |- | ||
histogram_quantile( | ||
0.9, | ||
sum by (le, ingress) ( | ||
rate( | ||
nginx_ingress_controller_request_duration_seconds_bucket{exported_namespace="justice-gov-uk-production",status!="404",status!="500"}[1m] | ||
) | ||
) | ||
) > 7.5 | ||
for: 3m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- alert: High404Rate | ||
annotations: | ||
message: More than 5% of responses were 404 errors. | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#High404Rate | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s-nginx-ingress-prometheus-ng2/5178fc76-29af-51b9-83a8-cbab85db37a6 | ||
?orgId=1&refresh=1m&var-controller_class=All&var-pod=All&var-datasource=default&from=now-1h&to=now | ||
&var-namespace=All&var-ingress=justice-gov-uk-production-ingress-modsec | ||
expr: |- | ||
sum by (ingress, cluster) (rate(nginx_ingress_controller_requests{exported_namespace="justice-gov-uk-production",status="404"}[1m])) | ||
/ | ||
sum by (ingress) (rate(nginx_ingress_controller_requests{exported_namespace="justice-gov-uk-production"}[1m])) | ||
> 0.05 | ||
for: 3m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- alert: High5xxRate | ||
annotations: | ||
message: More than 5% of responses were 5xx errors. | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#High5xxRate | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s-nginx-ingress-prometheus-ng2/5178fc76-29af-51b9-83a8-cbab85db37a6 | ||
?orgId=1&refresh=1m&var-controller_class=All&var-pod=All&var-datasource=default&from=now-1h&to=now | ||
&var-namespace=All&var-ingress=justice-gov-uk-production-ingress-modsec | ||
expr: |- | ||
sum by (ingress, cluster) (rate(nginx_ingress_controller_requests{exported_namespace="justice-gov-uk-production",status=~"5.."}[1m])) | ||
/ | ||
sum by (ingress) (rate(nginx_ingress_controller_requests{exported_namespace="justice-gov-uk-production"}[1m])) | ||
> 0.05 | ||
for: 3m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- alert: TrafficSpike | ||
annotations: | ||
message: Unusual levels of traffic - over 2000 request per minute (33rps). | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#TrafficSpike | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s-nginx-ingress-prometheus-ng2/5178fc76-29af-51b9-83a8-cbab85db37a6 | ||
?orgId=1&refresh=1m&var-controller_class=All&var-pod=All&var-datasource=default&from=now-1h&to=now | ||
&var-namespace=All&var-ingress=justice-gov-uk-production-ingress-modsec | ||
expr: |- | ||
sum(rate(nginx_ingress_controller_requests{exported_namespace="justice-gov-uk-production"}[5m])) by (ingress) | ||
> 33 | ||
for: 3m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- alert: MemorySpike | ||
annotations: | ||
message: A container is using > 500 MiB or ram. | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#MemorySpike | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s_views_ns/kubernetes-views-namespaces?orgId=1&var-datasource=prometheus | ||
&var-namespace=intranet-production&var-resolution=30s&from=now-1h&to=now&refresh=30s | ||
expr: |- | ||
sum(container_memory_working_set_bytes{namespace=~"intranet-production", image!=""}) by (pod) | ||
> 500000000 | ||
for: 1m | ||
labels: | ||
severity: justice-gov-uk-alerts | ||
|
||
- alert: CpuSpike | ||
annotations: | ||
message: A container is using > 0.5 CPU cores. | ||
runbook_url: https://dsdmoj.atlassian.net/wiki/spaces/CDPT/pages/edit-v2/5124292758#CpuSpike | ||
dashboard_url: >- | ||
https://grafana.live.cloud-platform.service.justice.gov.uk | ||
/d/k8s_views_ns/kubernetes-views-namespaces?orgId=1&var-datasource=prometheus | ||
&var-namespace=intranet-production&var-resolution=30s&from=now-1h&to=now&refresh=30s | ||
expr: |- | ||
sum(rate(container_cpu_usage_seconds_total{namespace=~"intranet-production", image!=""}[1m])) by (pod) | ||
> 0.5 | ||
for: 1m | ||
labels: | ||
severity: justice-gov-uk-alerts |