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{{- /*
Generated from 'etcd' group from https://raw.githubusercontent.com/etcd-io/etcd/master/Documentation/op-guide/etcd3_alert.rules.yml
Do not change in-place! In order to change this file first read following link:
https://github.com/helm/charts/tree/master/stable/prometheus-operator/hack
*/ -}}
{{- $kubeTargetVersion := default .Capabilities.KubeVersion.GitVersion .Values.kubeTargetVersionOverride }}
{{- if and (semverCompare ">=1.14.0-0" $kubeTargetVersion) (semverCompare "<9.9.9-9" $kubeTargetVersion) .Values.defaultRules.create .Values.kubeEtcd.enabled .Values.defaultRules.rules.etcd }}
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
name: {{ printf "%s-%s" (include "prometheus-operator.fullname" .) "etcd" | trunc 63 | trimSuffix "-" }}
namespace: {{ template "prometheus-operator.namespace" . }}
labels:
app: {{ template "prometheus-operator.name" . }}
{{ include "prometheus-operator.labels" . | indent 4 }}
{{- if .Values.defaultRules.labels }}
{{ toYaml .Values.defaultRules.labels | indent 4 }}
{{- end }}
{{- if .Values.defaultRules.annotations }}
annotations:
{{ toYaml .Values.defaultRules.annotations | indent 4 }}
{{- end }}
spec:
groups:
- name: etcd
rules:
- alert: etcdMembersDown
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": members are down ({{`{{`}} $value {{`}}`}}).'
expr: |-
max by (job) (
sum by (job) (up{job=~".*etcd.*"} == bool 0)
or
count by (job,endpoint) (
sum by (job,endpoint,To) (rate(etcd_network_peer_sent_failures_total{job=~".*etcd.*"}[3m])) > 0.01
)
)
> 0
for: 3m
labels:
severity: critical
- alert: etcdInsufficientMembers
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": insufficient members ({{`{{`}} $value {{`}}`}}).'
expr: sum(up{job=~".*etcd.*"} == bool 1) by (job) < ((count(up{job=~".*etcd.*"}) by (job) + 1) / 2)
for: 3m
labels:
severity: critical
- alert: etcdNoLeader
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": member {{`{{`}} $labels.instance {{`}}`}} has no leader.'
expr: etcd_server_has_leader{job=~".*etcd.*"} == 0
for: 1m
labels:
severity: critical
- alert: etcdHighNumberOfLeaderChanges
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": {{`{{`}} $value {{`}}`}} leader changes within the last 15 minutes. Frequent elections may be a sign of insufficient resources, high network latency, or disruptions by other components and should be investigated.'
expr: increase((max by (job) (etcd_server_leader_changes_seen_total{job=~".*etcd.*"}) or 0*absent(etcd_server_leader_changes_seen_total{job=~".*etcd.*"}))[15m:1m]) >= 3
for: 5m
labels:
severity: warning
- alert: etcdHighNumberOfFailedGRPCRequests
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": {{`{{`}} $value {{`}}`}}% of requests for {{`{{`}} $labels.grpc_method {{`}}`}} failed on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
100 * sum(rate(grpc_server_handled_total{job=~".*etcd.*", grpc_code!="OK"}[5m])) BY (job, instance, grpc_service, grpc_method)
/
sum(rate(grpc_server_handled_total{job=~".*etcd.*"}[5m])) BY (job, instance, grpc_service, grpc_method)
> 1
for: 10m
labels:
severity: warning
- alert: etcdHighNumberOfFailedGRPCRequests
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": {{`{{`}} $value {{`}}`}}% of requests for {{`{{`}} $labels.grpc_method {{`}}`}} failed on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
100 * sum(rate(grpc_server_handled_total{job=~".*etcd.*", grpc_code!="OK"}[5m])) BY (job, instance, grpc_service, grpc_method)
/
sum(rate(grpc_server_handled_total{job=~".*etcd.*"}[5m])) BY (job, instance, grpc_service, grpc_method)
> 5
for: 5m
labels:
severity: critical
- alert: etcdGRPCRequestsSlow
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": gRPC requests to {{`{{`}} $labels.grpc_method {{`}}`}} are taking {{`{{`}} $value {{`}}`}}s on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{job=~".*etcd.*", grpc_type="unary"}[5m])) by (job, instance, grpc_service, grpc_method, le))
> 0.15
for: 10m
labels:
severity: critical
- alert: etcdMemberCommunicationSlow
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": member communication with {{`{{`}} $labels.To {{`}}`}} is taking {{`{{`}} $value {{`}}`}}s on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket{job=~".*etcd.*"}[5m]))
> 0.15
for: 10m
labels:
severity: warning
- alert: etcdHighNumberOfFailedProposals
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": {{`{{`}} $value {{`}}`}} proposal failures within the last 30 minutes on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: rate(etcd_server_proposals_failed_total{job=~".*etcd.*"}[15m]) > 5
for: 15m
labels:
severity: warning
- alert: etcdHighFsyncDurations
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": 99th percentile fync durations are {{`{{`}} $value {{`}}`}}s on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
> 0.5
for: 10m
labels:
severity: warning
- alert: etcdHighCommitDurations
annotations:
message: 'etcd cluster "{{`{{`}} $labels.job {{`}}`}}": 99th percentile commit durations {{`{{`}} $value {{`}}`}}s on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
> 0.25
for: 10m
labels:
severity: warning
- alert: etcdHighNumberOfFailedHTTPRequests
annotations:
message: '{{`{{`}} $value {{`}}`}}% of requests for {{`{{`}} $labels.method {{`}}`}} failed on etcd instance {{`{{`}} $labels.instance {{`}}`}}'
expr: |-
sum(rate(etcd_http_failed_total{job=~".*etcd.*", code!="404"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job=~".*etcd.*"}[5m]))
BY (method) > 0.01
for: 10m
labels:
severity: warning
- alert: etcdHighNumberOfFailedHTTPRequests
annotations:
message: '{{`{{`}} $value {{`}}`}}% of requests for {{`{{`}} $labels.method {{`}}`}} failed on etcd instance {{`{{`}} $labels.instance {{`}}`}}.'
expr: |-
sum(rate(etcd_http_failed_total{job=~".*etcd.*", code!="404"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job=~".*etcd.*"}[5m]))
BY (method) > 0.05
for: 10m
labels:
severity: critical
- alert: etcdHTTPRequestsSlow
annotations:
message: etcd instance {{`{{`}} $labels.instance {{`}}`}} HTTP requests to {{`{{`}} $labels.method {{`}}`}} are slow.
expr: |-
histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))
> 0.15
for: 10m
labels:
severity: warning
{{- end }}
|
