starred/nix-config-ryan4yin
1
0
Fork 0
mirror of https://github.com/ryan4yin/nix-config.git synced 2026-04-25 09:28:27 +02:00
Code Issues Packages Projects Releases 10 Wiki Activity

chore(All Markdown Files): auto wrap text, fix typos

Browse Source
This commit is contained in:
Ryan Yin
2024-03-16 19:45:36 +08:00
parent 1e38f7bb09
commit 0eb83b22f0
79 changed files with 2477 additions and 2896 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
hosts/idols-ruby/prometheus/alert_rules/coredns_embedded-exporter.yml
View File

@@ -1,14 +1,13 @@
groups:
- name: EmbeddedExporter
- name: EmbeddedExporter
rules:
- alert: CorednsPanicCount
expr: 'increase(coredns_panics_total[1m]) > 0'
for: 0m
labels:
severity: critical
annotations:
summary: CoreDNS Panic Count (instance {{ $labels.instance }})
description: "Number of CoreDNS panics encountered\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
rules:
- alert: CorednsPanicCount
expr: "increase(coredns_panics_total[1m]) > 0"
for: 0m
labels:
severity: critical
annotations:
summary: CoreDNS Panic Count (instance {{ $labels.instance }})
description:
"Number of CoreDNS panics encountered\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

256
hosts/idols-ruby/prometheus/alert_rules/etcd_embedded-exporter.yml
View File

@@ -1,122 +1,162 @@
groups:
- name: EmbeddedExporter
- name: EmbeddedExporter
rules:
- alert: EtcdInsufficientMembers
expr: "count(etcd_server_id) % 2 == 0"
for: 0m
labels:
severity: critical
annotations:
summary: Etcd insufficient Members (instance {{ $labels.instance }})
description:
"Etcd cluster should have an odd number of members\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
rules:
- alert: EtcdNoLeader
expr: "etcd_server_has_leader == 0"
for: 0m
labels:
severity: critical
annotations:
summary: Etcd no Leader (instance {{ $labels.instance }})
description:
"Etcd cluster have no leader\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdInsufficientMembers
expr: 'count(etcd_server_id) % 2 == 0'
for: 0m
labels:
severity: critical
annotations:
summary: Etcd insufficient Members (instance {{ $labels.instance }})
description: "Etcd cluster should have an odd number of members\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfLeaderChanges
expr: "increase(etcd_server_leader_changes_seen_total[10m]) > 2"
for: 0m
labels:
severity: warning
annotations:
summary: Etcd high number of leader changes (instance {{ $labels.instance }})
description:
"Etcd leader changed more than 2 times during 10 minutes\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: EtcdNoLeader
expr: 'etcd_server_has_leader == 0'
for: 0m
labels:
severity: critical
annotations:
summary: Etcd no Leader (instance {{ $labels.instance }})
description: "Etcd cluster have no leader\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedGrpcRequests
expr:
'sum(rate(grpc_server_handled_total{grpc_code!="OK"}[1m])) BY (grpc_service, grpc_method)
/ sum(rate(grpc_server_handled_total[1m])) BY (grpc_service, grpc_method) > 0.01'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high number of failed GRPC requests (instance {{ $labels.instance }})
description:
"More than 1% GRPC request failure detected in Etcd\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: EtcdHighNumberOfLeaderChanges
expr: 'increase(etcd_server_leader_changes_seen_total[10m]) > 2'
for: 0m
labels:
severity: warning
annotations:
summary: Etcd high number of leader changes (instance {{ $labels.instance }})
description: "Etcd leader changed more than 2 times during 10 minutes\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedGrpcRequests
expr:
'sum(rate(grpc_server_handled_total{grpc_code!="OK"}[1m])) BY (grpc_service, grpc_method)
/ sum(rate(grpc_server_handled_total[1m])) BY (grpc_service, grpc_method) > 0.05'
for: 2m
labels:
severity: critical
annotations:
summary: Etcd high number of failed GRPC requests (instance {{ $labels.instance }})
description:
"More than 5% GRPC request failure detected in Etcd\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: EtcdHighNumberOfFailedGrpcRequests
expr: 'sum(rate(grpc_server_handled_total{grpc_code!="OK"}[1m])) BY (grpc_service, grpc_method) / sum(rate(grpc_server_handled_total[1m])) BY (grpc_service, grpc_method) > 0.01'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high number of failed GRPC requests (instance {{ $labels.instance }})
description: "More than 1% GRPC request failure detected in Etcd\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdGrpcRequestsSlow
expr:
'histogram_quantile(0.99,
sum(rate(grpc_server_handling_seconds_bucket{grpc_type="unary"}[1m])) by (grpc_service,
grpc_method, le)) > 0.15'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd GRPC requests slow (instance {{ $labels.instance }})
description:
"GRPC requests slowing down, 99th percentile is over 0.15s\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedGrpcRequests
expr: 'sum(rate(grpc_server_handled_total{grpc_code!="OK"}[1m])) BY (grpc_service, grpc_method) / sum(rate(grpc_server_handled_total[1m])) BY (grpc_service, grpc_method) > 0.05'
for: 2m
labels:
severity: critical
annotations:
summary: Etcd high number of failed GRPC requests (instance {{ $labels.instance }})
description: "More than 5% GRPC request failure detected in Etcd\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedHttpRequests
expr:
"sum(rate(etcd_http_failed_total[1m])) BY (method) /
sum(rate(etcd_http_received_total[1m])) BY (method) > 0.01"
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high number of failed HTTP requests (instance {{ $labels.instance }})
description:
"More than 1% HTTP failure detected in Etcd\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: EtcdGrpcRequestsSlow
expr: 'histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{grpc_type="unary"}[1m])) by (grpc_service, grpc_method, le)) > 0.15'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd GRPC requests slow (instance {{ $labels.instance }})
description: "GRPC requests slowing down, 99th percentile is over 0.15s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedHttpRequests
expr:
"sum(rate(etcd_http_failed_total[1m])) BY (method) /
sum(rate(etcd_http_received_total[1m])) BY (method) > 0.05"
for: 2m
labels:
severity: critical
annotations:
summary: Etcd high number of failed HTTP requests (instance {{ $labels.instance }})
description:
"More than 5% HTTP failure detected in Etcd\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: EtcdHighNumberOfFailedHttpRequests
expr: 'sum(rate(etcd_http_failed_total[1m])) BY (method) / sum(rate(etcd_http_received_total[1m])) BY (method) > 0.01'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high number of failed HTTP requests (instance {{ $labels.instance }})
description: "More than 1% HTTP failure detected in Etcd\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHttpRequestsSlow
expr:
"histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[1m])) > 0.15"
for: 2m
labels:
severity: warning
annotations:
summary: Etcd HTTP requests slow (instance {{ $labels.instance }})
description:
"HTTP requests slowing down, 99th percentile is over 0.15s\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedHttpRequests
expr: 'sum(rate(etcd_http_failed_total[1m])) BY (method) / sum(rate(etcd_http_received_total[1m])) BY (method) > 0.05'
for: 2m
labels:
severity: critical
annotations:
summary: Etcd high number of failed HTTP requests (instance {{ $labels.instance }})
description: "More than 5% HTTP failure detected in Etcd\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdMemberCommunicationSlow
expr:
"histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket[1m])) >
0.15"
for: 2m
labels:
severity: warning
annotations:
summary: Etcd member communication slow (instance {{ $labels.instance }})
description:
"Etcd member communication slowing down, 99th percentile is over 0.15s\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: EtcdHttpRequestsSlow
expr: 'histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[1m])) > 0.15'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd HTTP requests slow (instance {{ $labels.instance }})
description: "HTTP requests slowing down, 99th percentile is over 0.15s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedProposals
expr: "increase(etcd_server_proposals_failed_total[1h]) > 5"
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high number of failed proposals (instance {{ $labels.instance }})
description:
"Etcd server got more than 5 failed proposals past hour\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: EtcdMemberCommunicationSlow
expr: 'histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket[1m])) > 0.15'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd member communication slow (instance {{ $labels.instance }})
description: "Etcd member communication slowing down, 99th percentile is over 0.15s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighFsyncDurations
expr:
"histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[1m])) > 0.5"
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high fsync durations (instance {{ $labels.instance }})
description:
"Etcd WAL fsync duration increasing, 99th percentile is over 0.5s\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: EtcdHighNumberOfFailedProposals
expr: 'increase(etcd_server_proposals_failed_total[1h]) > 5'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high number of failed proposals (instance {{ $labels.instance }})
description: "Etcd server got more than 5 failed proposals past hour\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighFsyncDurations
expr: 'histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[1m])) > 0.5'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high fsync durations (instance {{ $labels.instance }})
description: "Etcd WAL fsync duration increasing, 99th percentile is over 0.5s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighCommitDurations
expr: 'histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[1m])) > 0.25'
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high commit durations (instance {{ $labels.instance }})
description: "Etcd commit duration increasing, 99th percentile is over 0.25s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: EtcdHighCommitDurations
expr:
"histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[1m])) >
0.25"
for: 2m
labels:
severity: warning
annotations:
summary: Etcd high commit durations (instance {{ $labels.instance }})
description:
"Etcd commit duration increasing, 99th percentile is over 0.25s\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"

196
hosts/idols-ruby/prometheus/alert_rules/istio_embedded-exporter.yml
View File

@@ -1,95 +1,123 @@
groups:
- name: EmbeddedExporter
- name: EmbeddedExporter
rules:
- alert: IstioKubernetesGatewayAvailabilityDrop
expr:
'min(kube_deployment_status_replicas_available{deployment="istio-ingressgateway",
namespace="istio-system"}) without (instance, pod) < 2'
for: 1m
labels:
severity: warning
annotations:
summary: Istio Kubernetes gateway availability drop (instance {{ $labels.instance }})
description:
"Gateway pods have dropped. Inbound traffic will likely be affected.\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
rules:
- alert: IstioPilotHighTotalRequestRate
expr: "sum(rate(pilot_xds_push_errors[1m])) / sum(rate(pilot_xds_pushes[1m])) * 100 > 5"
for: 1m
labels:
severity: warning
annotations:
summary: Istio Pilot high total request rate (instance {{ $labels.instance }})
description:
"Number of Istio Pilot push errors is too high (> 5%). Envoy sidecars might have
outdated configuration.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioKubernetesGatewayAvailabilityDrop
expr: 'min(kube_deployment_status_replicas_available{deployment="istio-ingressgateway", namespace="istio-system"}) without (instance, pod) < 2'
for: 1m
labels:
severity: warning
annotations:
summary: Istio Kubernetes gateway availability drop (instance {{ $labels.instance }})
description: "Gateway pods have dropped. Inbound traffic will likely be affected.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioMixerPrometheusDispatchesLow
expr: 'sum(rate(mixer_runtime_dispatches_total{adapter=~"prometheus"}[1m])) < 180'
for: 1m
labels:
severity: warning
annotations:
summary: Istio Mixer Prometheus dispatches low (instance {{ $labels.instance }})
description:
"Number of Mixer dispatches to Prometheus is too low. Istio metrics might not be being
exported properly.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioPilotHighTotalRequestRate
expr: 'sum(rate(pilot_xds_push_errors[1m])) / sum(rate(pilot_xds_pushes[1m])) * 100 > 5'
for: 1m
labels:
severity: warning
annotations:
summary: Istio Pilot high total request rate (instance {{ $labels.instance }})
description: "Number of Istio Pilot push errors is too high (> 5%). Envoy sidecars might have outdated configuration.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioHighTotalRequestRate
expr: 'sum(rate(istio_requests_total{reporter="destination"}[5m])) > 1000'
for: 2m
labels:
severity: warning
annotations:
summary: Istio high total request rate (instance {{ $labels.instance }})
description:
"Global request rate in the service mesh is unusually high.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: IstioMixerPrometheusDispatchesLow
expr: 'sum(rate(mixer_runtime_dispatches_total{adapter=~"prometheus"}[1m])) < 180'
for: 1m
labels:
severity: warning
annotations:
summary: Istio Mixer Prometheus dispatches low (instance {{ $labels.instance }})
description: "Number of Mixer dispatches to Prometheus is too low. Istio metrics might not be being exported properly.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioLowTotalRequestRate
expr: 'sum(rate(istio_requests_total{reporter="destination"}[5m])) < 100'
for: 2m
labels:
severity: warning
annotations:
summary: Istio low total request rate (instance {{ $labels.instance }})
description:
"Global request rate in the service mesh is unusually low.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: IstioHighTotalRequestRate
expr: 'sum(rate(istio_requests_total{reporter="destination"}[5m])) > 1000'
for: 2m
labels:
severity: warning
annotations:
summary: Istio high total request rate (instance {{ $labels.instance }})
description: "Global request rate in the service mesh is unusually high.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioHigh4xxErrorRate
expr:
'sum(rate(istio_requests_total{reporter="destination", response_code=~"4.*"}[5m])) /
sum(rate(istio_requests_total{reporter="destination"}[5m])) * 100 > 5'
for: 1m
labels:
severity: warning
annotations:
summary: Istio high 4xx error rate (instance {{ $labels.instance }})
description:
"High percentage of HTTP 5xx responses in Istio (> 5%).\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: IstioLowTotalRequestRate
expr: 'sum(rate(istio_requests_total{reporter="destination"}[5m])) < 100'
for: 2m
labels:
severity: warning
annotations:
summary: Istio low total request rate (instance {{ $labels.instance }})
description: "Global request rate in the service mesh is unusually low.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioHigh5xxErrorRate
expr:
'sum(rate(istio_requests_total{reporter="destination", response_code=~"5.*"}[5m])) /
sum(rate(istio_requests_total{reporter="destination"}[5m])) * 100 > 5'
for: 1m
labels:
severity: warning
annotations:
summary: Istio high 5xx error rate (instance {{ $labels.instance }})
description:
"High percentage of HTTP 5xx responses in Istio (> 5%).\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: IstioHigh4xxErrorRate
expr: 'sum(rate(istio_requests_total{reporter="destination", response_code=~"4.*"}[5m])) / sum(rate(istio_requests_total{reporter="destination"}[5m])) * 100 > 5'
for: 1m
labels:
severity: warning
annotations:
summary: Istio high 4xx error rate (instance {{ $labels.instance }})
description: "High percentage of HTTP 5xx responses in Istio (> 5%).\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioHighRequestLatency
expr:
'rate(istio_request_duration_milliseconds_sum{reporter="destination"}[1m]) /
rate(istio_request_duration_milliseconds_count{reporter="destination"}[1m]) > 100'
for: 1m
labels:
severity: warning
annotations:
summary: Istio high request latency (instance {{ $labels.instance }})
description:
"Istio average requests execution is longer than 100ms.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: IstioHigh5xxErrorRate
expr: 'sum(rate(istio_requests_total{reporter="destination", response_code=~"5.*"}[5m])) / sum(rate(istio_requests_total{reporter="destination"}[5m])) * 100 > 5'
for: 1m
labels:
severity: warning
annotations:
summary: Istio high 5xx error rate (instance {{ $labels.instance }})
description: "High percentage of HTTP 5xx responses in Istio (> 5%).\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioLatency99Percentile
expr:
"histogram_quantile(0.99, sum(rate(istio_request_duration_milliseconds_bucket[1m])) by
(destination_canonical_service, destination_workload_namespace, source_canonical_service,
source_workload_namespace, le)) > 1000"
for: 1m
labels:
severity: warning
annotations:
summary: Istio latency 99 percentile (instance {{ $labels.instance }})
description:
"Istio 1% slowest requests are longer than 1000ms.\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: IstioHighRequestLatency
expr: 'rate(istio_request_duration_milliseconds_sum{reporter="destination"}[1m]) / rate(istio_request_duration_milliseconds_count{reporter="destination"}[1m]) > 100'
for: 1m
labels:
severity: warning
annotations:
summary: Istio high request latency (instance {{ $labels.instance }})
description: "Istio average requests execution is longer than 100ms.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioLatency99Percentile
expr: 'histogram_quantile(0.99, sum(rate(istio_request_duration_milliseconds_bucket[1m])) by (destination_canonical_service, destination_workload_namespace, source_canonical_service, source_workload_namespace, le)) > 1000'
for: 1m
labels:
severity: warning
annotations:
summary: Istio latency 99 percentile (instance {{ $labels.instance }})
description: "Istio 1% slowest requests are longer than 1000ms.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioPilotDuplicateEntry
expr: 'sum(rate(pilot_duplicate_envoy_clusters{}[5m])) > 0'
for: 0m
labels:
severity: critical
annotations:
summary: Istio Pilot Duplicate Entry (instance {{ $labels.instance }})
description: "Istio pilot duplicate entry error.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: IstioPilotDuplicateEntry
expr: "sum(rate(pilot_duplicate_envoy_clusters{}[5m])) > 0"
for: 0m
labels:
severity: critical
annotations:
summary: Istio Pilot Duplicate Entry (instance {{ $labels.instance }})
description:
"Istio pilot duplicate entry error.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"

676
hosts/idols-ruby/prometheus/alert_rules/kubestate-exporter.yml
View File

@@ -1,311 +1,435 @@
groups:
- name: KubestateExporter
- name: KubestateExporter
rules:
- alert: KubernetesNodeNotReady
expr: 'kube_node_status_condition{condition="Ready",status="true"} == 0'
for: 10m
labels:
severity: critical
annotations:
summary: Kubernetes Node ready (node {{ $labels.node }})
description:
"Node {{ $labels.node }} has been unready for a long time\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
rules:
- alert: KubernetesNodeMemoryPressure
expr: 'kube_node_status_condition{condition="MemoryPressure",status="true"} == 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes memory pressure (node {{ $labels.node }})
description:
"Node {{ $labels.node }} has MemoryPressure condition\n VALUE = {{ $value }}\n LABELS
= {{ $labels }}"
- alert: KubernetesNodeNotReady
expr: 'kube_node_status_condition{condition="Ready",status="true"} == 0'
for: 10m
labels:
severity: critical
annotations:
summary: Kubernetes Node ready (node {{ $labels.node }})
description: "Node {{ $labels.node }} has been unready for a long time\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesNodeDiskPressure
expr: 'kube_node_status_condition{condition="DiskPressure",status="true"} == 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes disk pressure (node {{ $labels.node }})
description:
"Node {{ $labels.node }} has DiskPressure condition\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: KubernetesNodeMemoryPressure
expr: 'kube_node_status_condition{condition="MemoryPressure",status="true"} == 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes memory pressure (node {{ $labels.node }})
description: "Node {{ $labels.node }} has MemoryPressure condition\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesNodeNetworkUnavailable
expr: 'kube_node_status_condition{condition="NetworkUnavailable",status="true"} == 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes Node network unavailable (instance {{ $labels.instance }})
description:
"Node {{ $labels.node }} has NetworkUnavailable condition\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesNodeDiskPressure
expr: 'kube_node_status_condition{condition="DiskPressure",status="true"} == 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes disk pressure (node {{ $labels.node }})
description: "Node {{ $labels.node }} has DiskPressure condition\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesNodeOutOfPodCapacity
expr:
'sum by (node) ((kube_pod_status_phase{phase="Running"} == 1) + on(uid) group_left(node)
(0 * kube_pod_info{pod_template_hash=""})) / sum by (node)
(kube_node_status_allocatable{resource="pods"}) * 100 > 90'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes Node out of pod capacity (instance {{ $labels.instance }})
description:
"Node {{ $labels.node }} is out of pod capacity\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: KubernetesNodeNetworkUnavailable
expr: 'kube_node_status_condition{condition="NetworkUnavailable",status="true"} == 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes Node network unavailable (instance {{ $labels.instance }})
description: "Node {{ $labels.node }} has NetworkUnavailable condition\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesContainerOomKiller
expr:
'(kube_pod_container_status_restarts_total - kube_pod_container_status_restarts_total
offset 10m >= 1) and ignoring (reason)
min_over_time(kube_pod_container_status_last_terminated_reason{reason="OOMKilled"}[10m])
== 1'
for: 0m
labels:
severity: warning
annotations:
summary:
Kubernetes container oom killer ({{ $labels.namespace }}/{{ $labels.pod }}:{{
$labels.container }})
description:
"Container {{ $labels.container }} in pod {{ $labels.namespace }}/{{ $labels.pod }} has
been OOMKilled {{ $value }} times in the last 10 minutes.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesNodeOutOfPodCapacity
expr: 'sum by (node) ((kube_pod_status_phase{phase="Running"} == 1) + on(uid) group_left(node) (0 * kube_pod_info{pod_template_hash=""})) / sum by (node) (kube_node_status_allocatable{resource="pods"}) * 100 > 90'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes Node out of pod capacity (instance {{ $labels.instance }})
description: "Node {{ $labels.node }} is out of pod capacity\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesJobFailed
expr: "kube_job_status_failed > 0"
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes Job failed ({{ $labels.namespace }}/{{ $labels.job_name }})
description:
"Job {{ $labels.namespace }}/{{ $labels.job_name }} failed to complete\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: KubernetesContainerOomKiller
expr: '(kube_pod_container_status_restarts_total - kube_pod_container_status_restarts_total offset 10m >= 1) and ignoring (reason) min_over_time(kube_pod_container_status_last_terminated_reason{reason="OOMKilled"}[10m]) == 1'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes container oom killer ({{ $labels.namespace }}/{{ $labels.pod }}:{{ $labels.container }})
description: "Container {{ $labels.container }} in pod {{ $labels.namespace }}/{{ $labels.pod }} has been OOMKilled {{ $value }} times in the last 10 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesCronjobSuspended
expr: "kube_cronjob_spec_suspend != 0"
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes CronJob suspended ({{ $labels.namespace }}/{{ $labels.cronjob }})
description:
"CronJob {{ $labels.namespace }}/{{ $labels.cronjob }} is suspended\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesJobFailed
expr: 'kube_job_status_failed > 0'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes Job failed ({{ $labels.namespace }}/{{ $labels.job_name }})
description: "Job {{ $labels.namespace }}/{{ $labels.job_name }} failed to complete\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPersistentvolumeclaimPending
expr: 'kube_persistentvolumeclaim_status_phase{phase="Pending"} == 1'
for: 2m
labels:
severity: warning
annotations:
summary:
Kubernetes PersistentVolumeClaim pending ({{ $labels.namespace }}/{{
$labels.persistentvolumeclaim }})
description:
"PersistentVolumeClaim {{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }} is
pending\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesCronjobSuspended
expr: 'kube_cronjob_spec_suspend != 0'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes CronJob suspended ({{ $labels.namespace }}/{{ $labels.cronjob }})
description: "CronJob {{ $labels.namespace }}/{{ $labels.cronjob }} is suspended\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesVolumeOutOfDiskSpace
expr:
"kubelet_volume_stats_available_bytes / kubelet_volume_stats_capacity_bytes * 100 < 10"
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes Volume out of disk space (instance {{ $labels.instance }})
description:
"Volume is almost full (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPersistentvolumeclaimPending
expr: 'kube_persistentvolumeclaim_status_phase{phase="Pending"} == 1'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes PersistentVolumeClaim pending ({{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }})
description: "PersistentVolumeClaim {{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }} is pending\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesVolumeFullInFourDays
expr: "predict_linear(kubelet_volume_stats_available_bytes[6h:5m], 4 * 24 * 3600) < 0"
for: 0m
labels:
severity: critical
annotations:
summary: Kubernetes Volume full in four days (instance {{ $labels.instance }})
description:
"Volume under {{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }} is expected to
fill up within four days. Currently {{ $value | humanize }}% is available.\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: KubernetesVolumeOutOfDiskSpace
expr: 'kubelet_volume_stats_available_bytes / kubelet_volume_stats_capacity_bytes * 100 < 10'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes Volume out of disk space (instance {{ $labels.instance }})
description: "Volume is almost full (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPersistentvolumeError
expr:
'kube_persistentvolume_status_phase{phase=~"Failed|Pending", job="kube-state-metrics"} > 0'
for: 0m
labels:
severity: critical
annotations:
summary:
Kubernetes PersistentVolumeClaim pending ({{ $labels.namespace }}/{{
$labels.persistentvolumeclaim }})
description:
"Persistent volume {{ $labels.persistentvolume }} is in bad state\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesVolumeFullInFourDays
expr: 'predict_linear(kubelet_volume_stats_available_bytes[6h:5m], 4 * 24 * 3600) < 0'
for: 0m
labels:
severity: critical
annotations:
summary: Kubernetes Volume full in four days (instance {{ $labels.instance }})
description: "Volume under {{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }} is expected to fill up within four days. Currently {{ $value | humanize }}% is available.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetDown
expr: "kube_statefulset_replicas != kube_statefulset_status_replicas_ready > 0"
for: 1m
labels:
severity: critical
annotations:
summary: Kubernetes StatefulSet down ({{ $labels.namespace }}/{{ $labels.statefulset }})
description:
"StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} went down\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPersistentvolumeError
expr: 'kube_persistentvolume_status_phase{phase=~"Failed|Pending", job="kube-state-metrics"} > 0'
for: 0m
labels:
severity: critical
annotations:
summary: Kubernetes PersistentVolumeClaim pending ({{ $labels.namespace }}/{{ $labels.persistentvolumeclaim }})
description: "Persistent volume {{ $labels.persistentvolume }} is in bad state\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaScaleInability
expr:
'kube_horizontalpodautoscaler_status_condition{status="false", condition="AbleToScale"} ==
1'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes HPA scale inability (instance {{ $labels.instance }})
description:
"HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} is unable to
scale\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetDown
expr: 'kube_statefulset_replicas != kube_statefulset_status_replicas_ready > 0'
for: 1m
labels:
severity: critical
annotations:
summary: Kubernetes StatefulSet down ({{ $labels.namespace }}/{{ $labels.statefulset }})
description: "StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} went down\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaMetricsUnavailability
expr:
'kube_horizontalpodautoscaler_status_condition{status="false", condition="ScalingActive"}
== 1'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes HPA metrics unavailability (instance {{ $labels.instance }})
description:
"HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} is unable to collect
metrics\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaScaleInability
expr: 'kube_horizontalpodautoscaler_status_condition{status="false", condition="AbleToScale"} == 1'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes HPA scale inability (instance {{ $labels.instance }})
description: "HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} is unable to scale\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaScaleMaximum
expr:
"kube_horizontalpodautoscaler_status_desired_replicas >=
kube_horizontalpodautoscaler_spec_max_replicas"
for: 2m
labels:
severity: info
annotations:
summary: Kubernetes HPA scale maximum (instance {{ $labels.instance }})
description:
"HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} has hit maximum
number of desired pods\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaMetricsUnavailability
expr: 'kube_horizontalpodautoscaler_status_condition{status="false", condition="ScalingActive"} == 1'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes HPA metrics unavailability (instance {{ $labels.instance }})
description: "HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} is unable to collect metrics\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaUnderutilized
expr:
"max(quantile_over_time(0.5, kube_horizontalpodautoscaler_status_desired_replicas[1d]) ==
kube_horizontalpodautoscaler_spec_min_replicas) by (horizontalpodautoscaler) > 3"
for: 0m
labels:
severity: info
annotations:
summary: Kubernetes HPA underutilized (instance {{ $labels.instance }})
description:
"HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} is constantly at
minimum replicas for 50% of the time. Potential cost saving here.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaScaleMaximum
expr: 'kube_horizontalpodautoscaler_status_desired_replicas >= kube_horizontalpodautoscaler_spec_max_replicas'
for: 2m
labels:
severity: info
annotations:
summary: Kubernetes HPA scale maximum (instance {{ $labels.instance }})
description: "HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} has hit maximum number of desired pods\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPodNotHealthy
expr: 'sum by (namespace, pod) (kube_pod_status_phase{phase=~"Pending|Unknown|Failed"}) > 0'
for: 15m
labels:
severity: critical
annotations:
summary: Kubernetes Pod not healthy ({{ $labels.namespace }}/{{ $labels.pod }})
description:
"Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-running state for
longer than 15 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesHpaUnderutilized
expr: 'max(quantile_over_time(0.5, kube_horizontalpodautoscaler_status_desired_replicas[1d]) == kube_horizontalpodautoscaler_spec_min_replicas) by (horizontalpodautoscaler) > 3'
for: 0m
labels:
severity: info
annotations:
summary: Kubernetes HPA underutilized (instance {{ $labels.instance }})
description: "HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }} is constantly at minimum replicas for 50% of the time. Potential cost saving here.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPodCrashLooping
expr: "increase(kube_pod_container_status_restarts_total[1m]) > 3"
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes pod crash looping ({{ $labels.namespace }}/{{ $labels.pod }})
description:
"Pod {{ $labels.namespace }}/{{ $labels.pod }} is crash looping\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesPodNotHealthy
expr: 'sum by (namespace, pod) (kube_pod_status_phase{phase=~"Pending|Unknown|Failed"}) > 0'
for: 15m
labels:
severity: critical
annotations:
summary: Kubernetes Pod not healthy ({{ $labels.namespace }}/{{ $labels.pod }})
description: "Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-running state for longer than 15 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesReplicasetReplicasMismatch
expr: "kube_replicaset_spec_replicas != kube_replicaset_status_ready_replicas"
for: 10m
labels:
severity: warning
annotations:
summary:
Kubernetes ReplicasSet mismatch ({{ $labels.namespace }}/{{ $labels.replicaset }})
description:
"ReplicaSet {{ $labels.namespace }}/{{ $labels.replicaset }} replicas mismatch\n VALUE
= {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesPodCrashLooping
expr: 'increase(kube_pod_container_status_restarts_total[1m]) > 3'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes pod crash looping ({{ $labels.namespace }}/{{ $labels.pod }})
description: "Pod {{ $labels.namespace }}/{{ $labels.pod }} is crash looping\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDeploymentReplicasMismatch
expr: "kube_deployment_spec_replicas != kube_deployment_status_replicas_available"
for: 10m
labels:
severity: warning
annotations:
summary:
Kubernetes Deployment replicas mismatch ({{ $labels.namespace }}/{{ $labels.deployment
}})
description:
"Deployment {{ $labels.namespace }}/{{ $labels.deployment }} replicas mismatch\n VALUE
= {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesReplicasetReplicasMismatch
expr: 'kube_replicaset_spec_replicas != kube_replicaset_status_ready_replicas'
for: 10m
labels:
severity: warning
annotations:
summary: Kubernetes ReplicasSet mismatch ({{ $labels.namespace }}/{{ $labels.replicaset }})
description: "ReplicaSet {{ $labels.namespace }}/{{ $labels.replicaset }} replicas mismatch\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetReplicasMismatch
expr: "kube_statefulset_status_replicas_ready != kube_statefulset_status_replicas"
for: 10m
labels:
severity: warning
annotations:
summary: Kubernetes StatefulSet replicas mismatch (instance {{ $labels.instance }})
description:
"StatefulSet does not match the expected number of replicas.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: KubernetesDeploymentReplicasMismatch
expr: 'kube_deployment_spec_replicas != kube_deployment_status_replicas_available'
for: 10m
labels:
severity: warning
annotations:
summary: Kubernetes Deployment replicas mismatch ({{ $labels.namespace }}/{{ $labels.deployment }})
description: "Deployment {{ $labels.namespace }}/{{ $labels.deployment }} replicas mismatch\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDeploymentGenerationMismatch
expr: "kube_deployment_status_observed_generation != kube_deployment_metadata_generation"
for: 10m
labels:
severity: critical
annotations:
summary:
Kubernetes Deployment generation mismatch ({{ $labels.namespace }}/{{ $labels.deployment
}})
description:
"Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has failed but has not been
rolled back.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetReplicasMismatch
expr: 'kube_statefulset_status_replicas_ready != kube_statefulset_status_replicas'
for: 10m
labels:
severity: warning
annotations:
summary: Kubernetes StatefulSet replicas mismatch (instance {{ $labels.instance }})
description: "StatefulSet does not match the expected number of replicas.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetGenerationMismatch
expr: "kube_statefulset_status_observed_generation != kube_statefulset_metadata_generation"
for: 10m
labels:
severity: critical
annotations:
summary:
Kubernetes StatefulSet generation mismatch ({{ $labels.namespace }}/{{
$labels.statefulset }})
description:
"StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} has failed but has not
been rolled back.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDeploymentGenerationMismatch
expr: 'kube_deployment_status_observed_generation != kube_deployment_metadata_generation'
for: 10m
labels:
severity: critical
annotations:
summary: Kubernetes Deployment generation mismatch ({{ $labels.namespace }}/{{ $labels.deployment }})
description: "Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has failed but has not been rolled back.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetUpdateNotRolledOut
expr:
"max without (revision) (kube_statefulset_status_current_revision unless
kube_statefulset_status_update_revision) * (kube_statefulset_replicas !=
kube_statefulset_status_replicas_updated)"
for: 10m
labels:
severity: warning
annotations:
summary:
Kubernetes StatefulSet update not rolled out ({{ $labels.namespace }}/{{
$labels.statefulset }})
description:
"StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} update has not been
rolled out.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetGenerationMismatch
expr: 'kube_statefulset_status_observed_generation != kube_statefulset_metadata_generation'
for: 10m
labels:
severity: critical
annotations:
summary: Kubernetes StatefulSet generation mismatch ({{ $labels.namespace }}/{{ $labels.statefulset }})
description: "StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} has failed but has not been rolled back.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDaemonsetRolloutStuck
expr:
"kube_daemonset_status_number_ready / kube_daemonset_status_desired_number_scheduled * 100
< 100 or kube_daemonset_status_desired_number_scheduled -
kube_daemonset_status_current_number_scheduled > 0"
for: 10m
labels:
severity: warning
annotations:
summary:
Kubernetes DaemonSet rollout stuck ({{ $labels.namespace }}/{{ $labels.daemonset }})
description:
"Some Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are not
scheduled or not ready\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesStatefulsetUpdateNotRolledOut
expr: 'max without (revision) (kube_statefulset_status_current_revision unless kube_statefulset_status_update_revision) * (kube_statefulset_replicas != kube_statefulset_status_replicas_updated)'
for: 10m
labels:
severity: warning
annotations:
summary: Kubernetes StatefulSet update not rolled out ({{ $labels.namespace }}/{{ $labels.statefulset }})
description: "StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} update has not been rolled out.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDaemonsetMisscheduled
expr: "kube_daemonset_status_number_misscheduled > 0"
for: 1m
labels:
severity: critical
annotations:
summary:
Kubernetes DaemonSet misscheduled ({{ $labels.namespace }}/{{ $labels.daemonset }})
description:
"Some Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are running
where they are not supposed to run\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDaemonsetRolloutStuck
expr: 'kube_daemonset_status_number_ready / kube_daemonset_status_desired_number_scheduled * 100 < 100 or kube_daemonset_status_desired_number_scheduled - kube_daemonset_status_current_number_scheduled > 0'
for: 10m
labels:
severity: warning
annotations:
summary: Kubernetes DaemonSet rollout stuck ({{ $labels.namespace }}/{{ $labels.daemonset }})
description: "Some Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are not scheduled or not ready\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesCronjobTooLong
expr: "time() - kube_cronjob_next_schedule_time > 3600"
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes CronJob too long ({{ $labels.namespace }}/{{ $labels.cronjob }})
description:
"CronJob {{ $labels.namespace }}/{{ $labels.cronjob }} is taking more than 1h to
complete.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesDaemonsetMisscheduled
expr: 'kube_daemonset_status_number_misscheduled > 0'
for: 1m
labels:
severity: critical
annotations:
summary: Kubernetes DaemonSet misscheduled ({{ $labels.namespace }}/{{ $labels.daemonset }})
description: "Some Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are running where they are not supposed to run\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesJobSlowCompletion
expr: "kube_job_spec_completions - kube_job_status_succeeded - kube_job_status_failed > 0"
for: 12h
labels:
severity: critical
annotations:
summary: Kubernetes job slow completion ({{ $labels.namespace }}/{{ $labels.job_name }})
description:
"Kubernetes Job {{ $labels.namespace }}/{{ $labels.job_name }} did not complete in
time.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesCronjobTooLong
expr: 'time() - kube_cronjob_next_schedule_time > 3600'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes CronJob too long ({{ $labels.namespace }}/{{ $labels.cronjob }})
description: "CronJob {{ $labels.namespace }}/{{ $labels.cronjob }} is taking more than 1h to complete.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesApiServerErrors
expr:
'sum(rate(apiserver_request_total{job="apiserver",code=~"^(?:5..)$"}[1m])) /
sum(rate(apiserver_request_total{job="apiserver"}[1m])) * 100 > 3'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes API server errors (instance {{ $labels.instance }})
description:
"Kubernetes API server is experiencing high error rate\n VALUE = {{ $value }}\n LABELS
= {{ $labels }}"
- alert: KubernetesJobSlowCompletion
expr: 'kube_job_spec_completions - kube_job_status_succeeded - kube_job_status_failed > 0'
for: 12h
labels:
severity: critical
annotations:
summary: Kubernetes job slow completion ({{ $labels.namespace }}/{{ $labels.job_name }})
description: "Kubernetes Job {{ $labels.namespace }}/{{ $labels.job_name }} did not complete in time.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesApiClientErrors
expr:
'(sum(rate(rest_client_requests_total{code=~"(4|5).."}[1m])) by (instance, job) /
sum(rate(rest_client_requests_total[1m])) by (instance, job)) * 100 > 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes API client errors (instance {{ $labels.instance }})
description:
"Kubernetes API client is experiencing high error rate\n VALUE = {{ $value }}\n LABELS
= {{ $labels }}"
- alert: KubernetesApiServerErrors
expr: 'sum(rate(apiserver_request_total{job="apiserver",code=~"^(?:5..)$"}[1m])) / sum(rate(apiserver_request_total{job="apiserver"}[1m])) * 100 > 3'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes API server errors (instance {{ $labels.instance }})
description: "Kubernetes API server is experiencing high error rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesClientCertificateExpiresNextWeek
expr:
'apiserver_client_certificate_expiration_seconds_count{job="apiserver"} > 0 and
histogram_quantile(0.01, sum by (job, le)
(rate(apiserver_client_certificate_expiration_seconds_bucket{job="apiserver"}[5m]))) <
7*24*60*60'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes client certificate expires next week (instance {{ $labels.instance }})
description:
"A client certificate used to authenticate to the apiserver is expiring next
week.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesApiClientErrors
expr: '(sum(rate(rest_client_requests_total{code=~"(4|5).."}[1m])) by (instance, job) / sum(rate(rest_client_requests_total[1m])) by (instance, job)) * 100 > 1'
for: 2m
labels:
severity: critical
annotations:
summary: Kubernetes API client errors (instance {{ $labels.instance }})
description: "Kubernetes API client is experiencing high error rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesClientCertificateExpiresSoon
expr:
'apiserver_client_certificate_expiration_seconds_count{job="apiserver"} > 0 and
histogram_quantile(0.01, sum by (job, le)
(rate(apiserver_client_certificate_expiration_seconds_bucket{job="apiserver"}[5m]))) <
24*60*60'
for: 0m
labels:
severity: critical
annotations:
summary: Kubernetes client certificate expires soon (instance {{ $labels.instance }})
description:
"A client certificate used to authenticate to the apiserver is expiring in less than
24.0 hours.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesClientCertificateExpiresNextWeek
expr: 'apiserver_client_certificate_expiration_seconds_count{job="apiserver"} > 0 and histogram_quantile(0.01, sum by (job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{job="apiserver"}[5m]))) < 7*24*60*60'
for: 0m
labels:
severity: warning
annotations:
summary: Kubernetes client certificate expires next week (instance {{ $labels.instance }})
description: "A client certificate used to authenticate to the apiserver is expiring next week.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesClientCertificateExpiresSoon
expr: 'apiserver_client_certificate_expiration_seconds_count{job="apiserver"} > 0 and histogram_quantile(0.01, sum by (job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{job="apiserver"}[5m]))) < 24*60*60'
for: 0m
labels:
severity: critical
annotations:
summary: Kubernetes client certificate expires soon (instance {{ $labels.instance }})
description: "A client certificate used to authenticate to the apiserver is expiring in less than 24.0 hours.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesApiServerLatency
expr: 'histogram_quantile(0.99, sum(rate(apiserver_request_duration_seconds_bucket{subresource!="log",verb!~"^(?:CONNECT|WATCHLIST|WATCH|PROXY)$"} [10m])) WITHOUT (instance, resource)) > 1'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes API server latency (instance {{ $labels.instance }})
description: "Kubernetes API server has a 99th percentile latency of {{ $value }} seconds for {{ $labels.verb }} {{ $labels.resource }}.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: KubernetesApiServerLatency
expr:
'histogram_quantile(0.99,
sum(rate(apiserver_request_duration_seconds_bucket{subresource!="log",verb!~"^(?:CONNECT|WATCHLIST|WATCH|PROXY)$"}
[10m])) WITHOUT (instance, resource)) > 1'
for: 2m
labels:
severity: warning
annotations:
summary: Kubernetes API server latency (instance {{ $labels.instance }})
description:
"Kubernetes API server has a 99th percentile latency of {{ $value }} seconds for {{
$labels.verb }} {{ $labels.resource }}.\n VALUE = {{ $value }}\n LABELS = {{ $labels
}}"

777
hosts/idols-ruby/prometheus/alert_rules/node-exporter.yml
View File

@@ -1,347 +1,508 @@
groups:
- name: NodeExporter
- name: NodeExporter
rules:
- alert: HostOutOfMemory
expr:
'(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10) * on(instance)
group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host out of memory (instance {{ $labels.instance }})
description:
"Node memory is filling up (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels
}}"
rules:
- alert: HostMemoryUnderMemoryPressure
expr:
'(rate(node_vmstat_pgmajfault[1m]) > 1000) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host memory under memory pressure (instance {{ $labels.instance }})
description:
"The node is under heavy memory pressure. High rate of major page faults\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: HostOutOfMemory
expr: '(node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host out of memory (instance {{ $labels.instance }})
description: "Node memory is filling up (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostMemoryIsUnderutilized
expr:
'(100 - (avg_over_time(node_memory_MemAvailable_bytes[30m]) / node_memory_MemTotal_bytes *
100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 1w
labels:
severity: info
annotations:
summary: Host Memory is underutilized (instance {{ $labels.instance }})
description:
"Node memory is < 20% for 1 week. Consider reducing memory space. (instance {{
$labels.instance }})\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostMemoryUnderMemoryPressure
expr: '(rate(node_vmstat_pgmajfault[1m]) > 1000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host memory under memory pressure (instance {{ $labels.instance }})
description: "The node is under heavy memory pressure. High rate of major page faults\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualNetworkThroughputIn
expr:
'(sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual network throughput in (instance {{ $labels.instance }})
description:
"Host network interfaces are probably receiving too much data (> 100 MB/s)\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: HostMemoryIsUnderutilized
expr: '(100 - (avg_over_time(node_memory_MemAvailable_bytes[30m]) / node_memory_MemTotal_bytes * 100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 1w
labels:
severity: info
annotations:
summary: Host Memory is underutilized (instance {{ $labels.instance }})
description: "Node memory is < 20% for 1 week. Consider reducing memory space. (instance {{ $labels.instance }})\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualNetworkThroughputOut
expr:
'(sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual network throughput out (instance {{ $labels.instance }})
description:
"Host network interfaces are probably sending too much data (> 100 MB/s)\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualNetworkThroughputIn
expr: '(sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual network throughput in (instance {{ $labels.instance }})
description: "Host network interfaces are probably receiving too much data (> 100 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskReadRate
expr:
'(sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual disk read rate (instance {{ $labels.instance }})
description:
"Disk is probably reading too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: HostUnusualNetworkThroughputOut
expr: '(sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual network throughput out (instance {{ $labels.instance }})
description: "Host network interfaces are probably sending too much data (> 100 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskWriteRate
expr:
'(sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host unusual disk write rate (instance {{ $labels.instance }})
description:
"Disk is probably writing too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: HostUnusualDiskReadRate
expr: '(sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual disk read rate (instance {{ $labels.instance }})
description: "Disk is probably reading too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostOutOfDiskSpace
expr:
'((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance,
device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host out of disk space (instance {{ $labels.instance }})
description:
"Disk is almost full (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskWriteRate
expr: '(sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host unusual disk write rate (instance {{ $labels.instance }})
description: "Disk is probably writing too much data (> 50 MB/s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostDiskWillFillIn24Hours
expr:
'((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance,
device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 *
3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host disk will fill in 24 hours (instance {{ $labels.instance }})
description:
"Filesystem is predicted to run out of space within the next 24 hours at current write
rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostOutOfDiskSpace
expr: '((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host out of disk space (instance {{ $labels.instance }})
description: "Disk is almost full (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostOutOfInodes
expr:
'(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"}
* 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host out of inodes (instance {{ $labels.instance }})
description:
"Disk is almost running out of available inodes (< 10% left)\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: HostDiskWillFillIn24Hours
expr: '((node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"tmpfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host disk will fill in 24 hours (instance {{ $labels.instance }})
description: "Filesystem is predicted to run out of space within the next 24 hours at current write rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostFilesystemDeviceError
expr: "node_filesystem_device_error == 1"
for: 0m
labels:
severity: critical
annotations:
summary: Host filesystem device error (instance {{ $labels.instance }})
description:
"{{ $labels.instance }}: Device error with the {{ $labels.mountpoint }}
filesystem\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostOutOfInodes
expr: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host out of inodes (instance {{ $labels.instance }})
description: "Disk is almost running out of available inodes (< 10% left)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostInodesWillFillIn24Hours
expr:
'(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"}
* 100 < 10 and predict_linear(node_filesystem_files_free{fstype!="msdosfs"}[1h], 24 *
3600) < 0 and ON (instance, device, mountpoint)
node_filesystem_readonly{fstype!="msdosfs"} == 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host inodes will fill in 24 hours (instance {{ $labels.instance }})
description:
"Filesystem is predicted to run out of inodes within the next 24 hours at current write
rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostFilesystemDeviceError
expr: 'node_filesystem_device_error == 1'
for: 0m
labels:
severity: critical
annotations:
summary: Host filesystem device error (instance {{ $labels.instance }})
description: "{{ $labels.instance }}: Device error with the {{ $labels.mountpoint }} filesystem\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskReadLatency
expr:
'(rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m])
> 0.1 and rate(node_disk_reads_completed_total[1m]) > 0) * on(instance) group_left
(nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host unusual disk read latency (instance {{ $labels.instance }})
description:
"Disk latency is growing (read operations > 100ms)\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: HostInodesWillFillIn24Hours
expr: '(node_filesystem_files_free{fstype!="msdosfs"} / node_filesystem_files{fstype!="msdosfs"} * 100 < 10 and predict_linear(node_filesystem_files_free{fstype!="msdosfs"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly{fstype!="msdosfs"} == 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host inodes will fill in 24 hours (instance {{ $labels.instance }})
description: "Filesystem is predicted to run out of inodes within the next 24 hours at current write rate\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskWriteLatency
expr:
'(rate(node_disk_write_time_seconds_total[1m]) /
rate(node_disk_writes_completed_total[1m]) > 0.1 and
rate(node_disk_writes_completed_total[1m]) > 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host unusual disk write latency (instance {{ $labels.instance }})
description:
"Disk latency is growing (write operations > 100ms)\n VALUE = {{ $value }}\n LABELS =
{{ $labels }}"
- alert: HostUnusualDiskReadLatency
expr: '(rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.1 and rate(node_disk_reads_completed_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host unusual disk read latency (instance {{ $labels.instance }})
description: "Disk latency is growing (read operations > 100ms)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostHighCpuLoad
expr:
'(sum by (instance) (avg by (mode, instance)
(rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8) * on(instance) group_left
(nodename) node_uname_info{nodename=~".+"}'
for: 10m
labels:
severity: warning
annotations:
summary: Host high CPU load (instance {{ $labels.instance }})
description: "CPU load is > 80%\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskWriteLatency
expr: '(rate(node_disk_write_time_seconds_total[1m]) / rate(node_disk_writes_completed_total[1m]) > 0.1 and rate(node_disk_writes_completed_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host unusual disk write latency (instance {{ $labels.instance }})
description: "Disk latency is growing (write operations > 100ms)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostCpuIsUnderutilized
expr:
'(100 - (rate(node_cpu_seconds_total{mode="idle"}[30m]) * 100) < 20) * on(instance)
group_left (nodename) node_uname_info{nodename=~".+"}'
for: 1w
labels:
severity: info
annotations:
summary: Host CPU is underutilized (instance {{ $labels.instance }})
description:
"CPU load is < 20% for 1 week. Consider reducing the number of CPUs.\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: HostHighCpuLoad
expr: '(sum by (instance) (avg by (mode, instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 10m
labels:
severity: warning
annotations:
summary: Host high CPU load (instance {{ $labels.instance }})
description: "CPU load is > 80%\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostCpuStealNoisyNeighbor
expr:
'(avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host CPU steal noisy neighbor (instance {{ $labels.instance }})
description:
"CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may
be out of credit.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostCpuIsUnderutilized
expr: '(100 - (rate(node_cpu_seconds_total{mode="idle"}[30m]) * 100) < 20) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 1w
labels:
severity: info
annotations:
summary: Host CPU is underutilized (instance {{ $labels.instance }})
description: "CPU load is < 20% for 1 week. Consider reducing the number of CPUs.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostCpuHighIowait
expr:
'(avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) * 100 > 10) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host CPU high iowait (instance {{ $labels.instance }})
description:
"CPU iowait > 10%. A high iowait means that you are disk or network bound.\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: HostCpuStealNoisyNeighbor
expr: '(avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host CPU steal noisy neighbor (instance {{ $labels.instance }})
description: "CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskIo
expr:
'(rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual disk IO (instance {{ $labels.instance }})
description:
"Time spent in IO is too high on {{ $labels.instance }}. Check storage for
issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostCpuHighIowait
expr: '(avg by (instance) (rate(node_cpu_seconds_total{mode="iowait"}[5m])) * 100 > 10) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host CPU high iowait (instance {{ $labels.instance }})
description: "CPU iowait > 10%. A high iowait means that you are disk or network bound.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostContextSwitching
expr:
'((rate(node_context_switches_total[5m])) / (count without(cpu, mode)
(node_cpu_seconds_total{mode="idle"})) > 10000) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host context switching (instance {{ $labels.instance }})
description:
"Context switching is growing on the node (> 10000 / CPU / s)\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: HostUnusualDiskIo
expr: '(rate(node_disk_io_time_seconds_total[1m]) > 0.5) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host unusual disk IO (instance {{ $labels.instance }})
description: "Time spent in IO is too high on {{ $labels.instance }}. Check storage for issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostSwapIsFillingUp
expr:
'((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host swap is filling up (instance {{ $labels.instance }})
description: "Swap is filling up (>80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostContextSwitching
expr: '((rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 10000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host context switching (instance {{ $labels.instance }})
description: "Context switching is growing on the node (> 10000 / CPU / s)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostSystemdServiceCrashed
expr:
'(node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host systemd service crashed (instance {{ $labels.instance }})
description: "systemd service crashed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostSwapIsFillingUp
expr: '((1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host swap is filling up (instance {{ $labels.instance }})
description: "Swap is filling up (>80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostPhysicalComponentTooHot
expr:
'((node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor)
node_hwmon_sensor_label{label!="tctl"} > 75)) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host physical component too hot (instance {{ $labels.instance }})
description:
"Physical hardware component too hot\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostSystemdServiceCrashed
expr: '(node_systemd_unit_state{state="failed"} == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host systemd service crashed (instance {{ $labels.instance }})
description: "systemd service crashed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNodeOvertemperatureAlarm
expr:
'(node_hwmon_temp_crit_alarm_celsius == 1) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: critical
annotations:
summary: Host node overtemperature alarm (instance {{ $labels.instance }})
description:
"Physical node temperature alarm triggered\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: HostPhysicalComponentTooHot
expr: '((node_hwmon_temp_celsius * ignoring(label) group_left(instance, job, node, sensor) node_hwmon_sensor_label{label!="tctl"} > 75)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host physical component too hot (instance {{ $labels.instance }})
description: "Physical hardware component too hot\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostRaidArrayGotInactive
expr:
'(node_md_state{state="inactive"} > 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: critical
annotations:
summary: Host RAID array got inactive (instance {{ $labels.instance }})
description:
"RAID array {{ $labels.device }} is in a degraded state due to one or more disk
failures. The number of spare drives is insufficient to fix the issue
automatically.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNodeOvertemperatureAlarm
expr: '(node_hwmon_temp_crit_alarm_celsius == 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: critical
annotations:
summary: Host node overtemperature alarm (instance {{ $labels.instance }})
description: "Physical node temperature alarm triggered\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostRaidDiskFailure
expr:
'(node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host RAID disk failure (instance {{ $labels.instance }})
description:
"At least one device in RAID array on {{ $labels.instance }} failed. Array {{
$labels.md_device }} needs attention and possibly a disk swap\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: HostRaidArrayGotInactive
expr: '(node_md_state{state="inactive"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: critical
annotations:
summary: Host RAID array got inactive (instance {{ $labels.instance }})
description: "RAID array {{ $labels.device }} is in a degraded state due to one or more disk failures. The number of spare drives is insufficient to fix the issue automatically.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostKernelVersionDeviations
expr:
'(count(sum(label_replace(node_uname_info, "kernel", "$1", "release",
"([0-9]+.[0-9]+.[0-9]+).*")) by (kernel)) > 1) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 6h
labels:
severity: warning
annotations:
summary: Host kernel version deviations (instance {{ $labels.instance }})
description:
"Different kernel versions are running\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostRaidDiskFailure
expr: '(node_md_disks{state="failed"} > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host RAID disk failure (instance {{ $labels.instance }})
description: "At least one device in RAID array on {{ $labels.instance }} failed. Array {{ $labels.md_device }} needs attention and possibly a disk swap\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostOomKillDetected
expr:
'(increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host OOM kill detected (instance {{ $labels.instance }})
description: "OOM kill detected\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostKernelVersionDeviations
expr: '(count(sum(label_replace(node_uname_info, "kernel", "$1", "release", "([0-9]+.[0-9]+.[0-9]+).*")) by (kernel)) > 1) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 6h
labels:
severity: warning
annotations:
summary: Host kernel version deviations (instance {{ $labels.instance }})
description: "Different kernel versions are running\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostEdacCorrectableErrorsDetected
expr:
'(increase(node_edac_correctable_errors_total[1m]) > 0) * on(instance) group_left
(nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: info
annotations:
summary: Host EDAC Correctable Errors detected (instance {{ $labels.instance }})
description:
"Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} correctable memory
errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: HostOomKillDetected
expr: '(increase(node_vmstat_oom_kill[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host OOM kill detected (instance {{ $labels.instance }})
description: "OOM kill detected\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostEdacUncorrectableErrorsDetected
expr:
'(node_edac_uncorrectable_errors_total > 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})
description:
"Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} uncorrectable memory
errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: HostEdacCorrectableErrorsDetected
expr: '(increase(node_edac_correctable_errors_total[1m]) > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: info
annotations:
summary: Host EDAC Correctable Errors detected (instance {{ $labels.instance }})
description: "Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} correctable memory errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNetworkReceiveErrors
expr:
'(rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m])
> 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host Network Receive Errors (instance {{ $labels.instance }})
description:
"Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf
\"%.0f\" $value }} receive errors in the last two minutes.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: HostEdacUncorrectableErrorsDetected
expr: '(node_edac_uncorrectable_errors_total > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 0m
labels:
severity: warning
annotations:
summary: Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})
description: "Host {{ $labels.instance }} has had {{ printf \"%.0f\" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNetworkTransmitErrors
expr:
'(rate(node_network_transmit_errs_total[2m]) /
rate(node_network_transmit_packets_total[2m]) > 0.01) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host Network Transmit Errors (instance {{ $labels.instance }})
description:
"Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf
\"%.0f\" $value }} transmit errors in the last two minutes.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: HostNetworkReceiveErrors
expr: '(rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host Network Receive Errors (instance {{ $labels.instance }})
description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNetworkInterfaceSaturated
expr:
'((rate(node_network_receive_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m]) +
rate(node_network_transmit_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m])) /
node_network_speed_bytes{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"} > 0.8 < 10000) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 1m
labels:
severity: warning
annotations:
summary: Host Network Interface Saturated (instance {{ $labels.instance }})
description:
"The network interface \"{{ $labels.device }}\" on \"{{ $labels.instance }}\" is getting
overloaded.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNetworkTransmitErrors
expr: '(rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host Network Transmit Errors (instance {{ $labels.instance }})
description: "Host {{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} transmit errors in the last two minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostNetworkBondDegraded
expr:
'((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host Network Bond Degraded (instance {{ $labels.instance }})
description:
"Bond \"{{ $labels.device }}\" degraded on \"{{ $labels.instance }}\".\n VALUE = {{
$value }}\n LABELS = {{ $labels }}"
- alert: HostNetworkInterfaceSaturated
expr: '((rate(node_network_receive_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*|^vnet.*|^veth.*|^tun.*"} > 0.8 < 10000) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 1m
labels:
severity: warning
annotations:
summary: Host Network Interface Saturated (instance {{ $labels.instance }})
description: "The network interface \"{{ $labels.device }}\" on \"{{ $labels.instance }}\" is getting overloaded.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostConntrackLimit
expr:
'(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance)
group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host conntrack limit (instance {{ $labels.instance }})
description:
"The number of conntrack is approaching limit\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"
- alert: HostNetworkBondDegraded
expr: '((node_bonding_active - node_bonding_slaves) != 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host Network Bond Degraded (instance {{ $labels.instance }})
description: "Bond \"{{ $labels.device }}\" degraded on \"{{ $labels.instance }}\".\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostClockSkew
expr:
'((node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or
(node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 10m
labels:
severity: warning
annotations:
summary: Host clock skew (instance {{ $labels.instance }})
description:
"Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this
host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostConntrackLimit
expr: '(node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 5m
labels:
severity: warning
annotations:
summary: Host conntrack limit (instance {{ $labels.instance }})
description: "The number of conntrack is approaching limit\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostClockNotSynchronising
expr:
'(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16) *
on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host clock not synchronising (instance {{ $labels.instance }})
description:
"Clock not synchronising. Ensure NTP is configured on this host.\n VALUE = {{ $value
}}\n LABELS = {{ $labels }}"
- alert: HostClockSkew
expr: '((node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or (node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 10m
labels:
severity: warning
annotations:
summary: Host clock skew (instance {{ $labels.instance }})
description: "Clock skew detected. Clock is out of sync. Ensure NTP is configured correctly on this host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostClockNotSynchronising
expr: '(min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 2m
labels:
severity: warning
annotations:
summary: Host clock not synchronising (instance {{ $labels.instance }})
description: "Clock not synchronising. Ensure NTP is configured on this host.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostRequiresReboot
expr: '(node_reboot_required > 0) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}'
for: 4h
labels:
severity: info
annotations:
summary: Host requires reboot (instance {{ $labels.instance }})
description: "{{ $labels.instance }} requires a reboot.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: HostRequiresReboot
expr:
'(node_reboot_required > 0) * on(instance) group_left (nodename)
node_uname_info{nodename=~".+"}'
for: 4h
labels:
severity: info
annotations:
summary: Host requires reboot (instance {{ $labels.instance }})
description:
"{{ $labels.instance }} requires a reboot.\n VALUE = {{ $value }}\n LABELS = {{
$labels }}"