473 lines
21 KiB
YAML
473 lines
21 KiB
YAML
apiVersion: v1
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kind: ConfigMap
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metadata:
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name: prometheus-rules
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namespace: monitoring
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data:
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# Rules adapted from those provided by coreos/prometheus-operator and SoundCloud
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alertmanager.rules.yaml: |+
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groups:
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- name: ./alertmanager.rules
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rules:
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- alert: AlertmanagerConfigInconsistent
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expr: count_values("config_hash", alertmanager_config_hash) BY (service) / ON(service)
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GROUP_LEFT() label_replace(prometheus_operator_alertmanager_spec_replicas, "service",
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"alertmanager-$1", "alertmanager", "(.*)") != 1
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for: 5m
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labels:
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severity: critical
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annotations:
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description: The configuration of the instances of the Alertmanager cluster
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`{{$labels.service}}` are out of sync.
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summary: Alertmanager configurations are inconsistent
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- alert: AlertmanagerDownOrMissing
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expr: label_replace(prometheus_operator_alertmanager_spec_replicas, "job", "alertmanager-$1",
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"alertmanager", "(.*)") / ON(job) GROUP_RIGHT() sum(up) BY (job) != 1
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for: 5m
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labels:
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severity: warning
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annotations:
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description: An unexpected number of Alertmanagers are scraped or Alertmanagers
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disappeared from discovery.
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summary: Alertmanager down or not discovered
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- alert: FailedReload
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expr: alertmanager_config_last_reload_successful == 0
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for: 10m
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labels:
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severity: warning
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annotations:
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description: Reloading Alertmanager's configuration has failed for {{ $labels.namespace
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}}/{{ $labels.pod}}.
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summary: Alertmanager configuration reload has failed
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etcd3.rules.yaml: |+
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groups:
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- name: ./etcd3.rules
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rules:
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- alert: InsufficientMembers
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expr: count(up{job="etcd"} == 0) > (count(up{job="etcd"}) / 2 - 1)
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for: 3m
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labels:
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severity: critical
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annotations:
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description: If one more etcd member goes down the cluster will be unavailable
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summary: etcd cluster insufficient members
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- alert: NoLeader
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expr: etcd_server_has_leader{job="etcd"} == 0
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for: 1m
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labels:
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severity: critical
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annotations:
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description: etcd member {{ $labels.instance }} has no leader
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summary: etcd member has no leader
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- alert: HighNumberOfLeaderChanges
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expr: increase(etcd_server_leader_changes_seen_total{job="etcd"}[1h]) > 3
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labels:
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severity: warning
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annotations:
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description: etcd instance {{ $labels.instance }} has seen {{ $value }} leader
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changes within the last hour
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summary: a high number of leader changes within the etcd cluster are happening
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- alert: HighNumberOfFailedGRPCRequests
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expr: sum(rate(etcd_grpc_requests_failed_total{job="etcd"}[5m])) BY (grpc_method)
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/ sum(rate(etcd_grpc_total{job="etcd"}[5m])) BY (grpc_method) > 0.01
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for: 10m
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labels:
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severity: warning
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annotations:
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description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed
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on etcd instance {{ $labels.instance }}'
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summary: a high number of gRPC requests are failing
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- alert: HighNumberOfFailedGRPCRequests
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expr: sum(rate(etcd_grpc_requests_failed_total{job="etcd"}[5m])) BY (grpc_method)
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/ sum(rate(etcd_grpc_total{job="etcd"}[5m])) BY (grpc_method) > 0.05
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for: 5m
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labels:
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severity: critical
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annotations:
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description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed
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on etcd instance {{ $labels.instance }}'
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summary: a high number of gRPC requests are failing
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- alert: GRPCRequestsSlow
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expr: histogram_quantile(0.99, rate(etcd_grpc_unary_requests_duration_seconds_bucket[5m]))
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> 0.15
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for: 10m
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labels:
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severity: critical
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annotations:
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description: on etcd instance {{ $labels.instance }} gRPC requests to {{ $labels.grpc_method
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}} are slow
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summary: slow gRPC requests
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- alert: HighNumberOfFailedHTTPRequests
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expr: sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m]))
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BY (method) > 0.01
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for: 10m
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labels:
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severity: warning
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annotations:
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description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
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instance {{ $labels.instance }}'
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summary: a high number of HTTP requests are failing
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- alert: HighNumberOfFailedHTTPRequests
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expr: sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m]))
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BY (method) > 0.05
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for: 5m
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labels:
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severity: critical
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annotations:
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description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
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instance {{ $labels.instance }}'
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summary: a high number of HTTP requests are failing
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- alert: HTTPRequestsSlow
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expr: histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))
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> 0.15
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for: 10m
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labels:
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severity: warning
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annotations:
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description: on etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method
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}} are slow
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summary: slow HTTP requests
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- alert: EtcdMemberCommunicationSlow
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expr: histogram_quantile(0.99, rate(etcd_network_member_round_trip_time_seconds_bucket[5m]))
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> 0.15
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for: 10m
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labels:
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severity: warning
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annotations:
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description: etcd instance {{ $labels.instance }} member communication with
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{{ $labels.To }} is slow
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summary: etcd member communication is slow
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- alert: HighNumberOfFailedProposals
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expr: increase(etcd_server_proposals_failed_total{job="etcd"}[1h]) > 5
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labels:
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severity: warning
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annotations:
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description: etcd instance {{ $labels.instance }} has seen {{ $value }} proposal
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failures within the last hour
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summary: a high number of proposals within the etcd cluster are failing
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- alert: HighFsyncDurations
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expr: histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m]))
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> 0.5
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for: 10m
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labels:
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severity: warning
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annotations:
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description: etcd instance {{ $labels.instance }} fync durations are high
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summary: high fsync durations
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- alert: HighCommitDurations
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expr: histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[5m]))
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> 0.25
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for: 10m
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labels:
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severity: warning
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annotations:
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description: etcd instance {{ $labels.instance }} commit durations are high
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summary: high commit durations
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general.rules.yaml: |+
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groups:
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- name: ./general.rules
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rules:
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- alert: TargetDown
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expr: 100 * (count(up == 0) BY (job) / count(up) BY (job)) > 10
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for: 10m
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labels:
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severity: warning
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annotations:
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description: '{{ $value }}% or more of {{ $labels.job }} targets are down.'
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summary: Targets are down
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- alert: TooManyOpenFileDescriptors
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expr: 100 * (process_open_fds / process_max_fds) > 95
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for: 10m
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labels:
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severity: critical
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annotations:
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description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{
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$labels.instance }}) is using {{ $value }}% of the available file/socket descriptors.'
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summary: too many open file descriptors
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- record: instance:fd_utilization
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expr: process_open_fds / process_max_fds
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- alert: FdExhaustionClose
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expr: predict_linear(instance:fd_utilization[1h], 3600 * 4) > 1
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for: 10m
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labels:
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severity: warning
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annotations:
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description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{
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$labels.instance }}) instance will exhaust in file/socket descriptors soon'
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summary: file descriptors soon exhausted
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- alert: FdExhaustionClose
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expr: predict_linear(instance:fd_utilization[10m], 3600) > 1
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for: 10m
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labels:
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severity: critical
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annotations:
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description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{
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$labels.instance }}) instance will exhaust in file/socket descriptors soon'
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summary: file descriptors soon exhausted
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kube-apiserver.rules.yaml: |+
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groups:
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- name: ./kube-apiserver.rules
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rules:
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- alert: K8SApiserverDown
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expr: absent(up{job="kubernetes-apiservers"} == 1)
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for: 5m
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labels:
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severity: critical
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annotations:
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description: Prometheus failed to scrape API server(s), or all API servers have
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disappeared from service discovery.
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summary: API server unreachable
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- alert: K8SApiServerLatency
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expr: histogram_quantile(0.99, sum(rate(apiserver_request_latencies_bucket{subresource!="log",verb!~"^(?:CONNECT|WATCHLIST|WATCH|PROXY)$"}[10m]))
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by (le)) / 1e+06 > 1
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for: 10m
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labels:
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severity: warning
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annotations:
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description: 99th percentile Latency for {{ $labels.verb }} requests to the
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kube-apiserver is higher than 1s.
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summary: Kubernetes apiserver latency is high
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kube-controller-manager.rules.yaml: |+
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groups:
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- name: ./kube-controller-manager.rules
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rules:
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- alert: K8SControllerManagerDown
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expr: absent(up{kubernetes_name="kube-controller-manager"} == 1)
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for: 5m
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labels:
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severity: critical
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annotations:
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description: There is no running K8S controller manager. Deployments and replication
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controllers are not making progress.
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summary: Controller manager is down
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kube-scheduler.rules.yaml: |+
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groups:
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- name: ./kube-scheduler.rules
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rules:
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- alert: K8SSchedulerDown
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expr: absent(up{kubernetes_name="kube-scheduler"} == 1)
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for: 5m
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labels:
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severity: critical
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annotations:
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description: There is no running K8S scheduler. New pods are not being assigned
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to nodes.
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summary: Scheduler is down
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kubelet.rules.yaml: |+
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groups:
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- name: ./kubelet.rules
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rules:
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- alert: K8SNodeNotReady
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expr: kube_node_status_condition{condition="Ready",status="true"} == 0
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for: 1h
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labels:
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severity: warning
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annotations:
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description: The Kubelet on {{ $labels.node }} has not checked in with the API,
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or has set itself to NotReady, for more than an hour
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summary: Node status is NotReady
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- alert: K8SManyNodesNotReady
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expr: count(kube_node_status_condition{condition="Ready",status="true"} == 0)
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> 1 and (count(kube_node_status_condition{condition="Ready",status="true"} ==
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0) / count(kube_node_status_condition{condition="Ready",status="true"})) > 0.2
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for: 1m
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labels:
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severity: critical
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annotations:
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description: '{{ $value }} Kubernetes nodes (more than 10% are in the NotReady
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state).'
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summary: Many Kubernetes nodes are Not Ready
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- alert: K8SKubeletDown
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expr: count(up{job="kubernetes-nodes"} == 0) / count(up{job="kubernetes-nodes"}) > 0.03
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for: 1h
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labels:
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severity: warning
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annotations:
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description: Prometheus failed to scrape {{ $value }}% of kubelets.
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summary: Many Kubelets cannot be scraped
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- alert: K8SKubeletDown
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expr: absent(up{job="kubernetes-nodes"} == 1) or count(up{job="kubernetes-nodes"} == 0) / count(up{job="kubernetes-nodes"})
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> 0.1
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for: 1h
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labels:
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severity: critical
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annotations:
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description: Prometheus failed to scrape {{ $value }}% of kubelets, or all Kubelets
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have disappeared from service discovery.
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summary: Many Kubelets cannot be scraped
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- alert: K8SKubeletTooManyPods
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expr: kubelet_running_pod_count > 100
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labels:
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severity: warning
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annotations:
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description: Kubelet {{$labels.instance}} is running {{$value}} pods, close
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to the limit of 110
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summary: Kubelet is close to pod limit
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kubernetes.rules.yaml: |+
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groups:
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- name: ./kubernetes.rules
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rules:
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- record: cluster_namespace_controller_pod_container:spec_memory_limit_bytes
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expr: sum(label_replace(container_spec_memory_limit_bytes{container_name!=""},
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"controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
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controller, pod_name, container_name)
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- record: cluster_namespace_controller_pod_container:spec_cpu_shares
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expr: sum(label_replace(container_spec_cpu_shares{container_name!=""}, "controller",
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"$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
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container_name)
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- record: cluster_namespace_controller_pod_container:cpu_usage:rate
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expr: sum(label_replace(irate(container_cpu_usage_seconds_total{container_name!=""}[5m]),
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"controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
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controller, pod_name, container_name)
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- record: cluster_namespace_controller_pod_container:memory_usage:bytes
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expr: sum(label_replace(container_memory_usage_bytes{container_name!=""}, "controller",
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"$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
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container_name)
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- record: cluster_namespace_controller_pod_container:memory_working_set:bytes
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expr: sum(label_replace(container_memory_working_set_bytes{container_name!=""},
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"controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
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controller, pod_name, container_name)
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- record: cluster_namespace_controller_pod_container:memory_rss:bytes
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expr: sum(label_replace(container_memory_rss{container_name!=""}, "controller",
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"$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
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container_name)
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- record: cluster_namespace_controller_pod_container:memory_cache:bytes
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expr: sum(label_replace(container_memory_cache{container_name!=""}, "controller",
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"$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
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container_name)
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- record: cluster_namespace_controller_pod_container:disk_usage:bytes
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expr: sum(label_replace(container_disk_usage_bytes{container_name!=""}, "controller",
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"$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
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container_name)
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- record: cluster_namespace_controller_pod_container:memory_pagefaults:rate
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expr: sum(label_replace(irate(container_memory_failures_total{container_name!=""}[5m]),
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"controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
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controller, pod_name, container_name, scope, type)
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- record: cluster_namespace_controller_pod_container:memory_oom:rate
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expr: sum(label_replace(irate(container_memory_failcnt{container_name!=""}[5m]),
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"controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
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controller, pod_name, container_name, scope, type)
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- record: cluster:memory_allocation:percent
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expr: 100 * sum(container_spec_memory_limit_bytes{pod_name!=""}) BY (cluster)
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/ sum(machine_memory_bytes) BY (cluster)
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- record: cluster:memory_used:percent
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expr: 100 * sum(container_memory_usage_bytes{pod_name!=""}) BY (cluster) / sum(machine_memory_bytes)
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BY (cluster)
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- record: cluster:cpu_allocation:percent
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expr: 100 * sum(container_spec_cpu_shares{pod_name!=""}) BY (cluster) / sum(container_spec_cpu_shares{id="/"}
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* ON(cluster, instance) machine_cpu_cores) BY (cluster)
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- record: cluster:node_cpu_use:percent
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expr: 100 * sum(rate(node_cpu{mode!="idle"}[5m])) BY (cluster) / sum(machine_cpu_cores)
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BY (cluster)
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- record: cluster_resource_verb:apiserver_latency:quantile_seconds
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expr: histogram_quantile(0.99, sum(apiserver_request_latencies_bucket) BY (le,
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cluster, job, resource, verb)) / 1e+06
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labels:
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quantile: "0.99"
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- record: cluster_resource_verb:apiserver_latency:quantile_seconds
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expr: histogram_quantile(0.9, sum(apiserver_request_latencies_bucket) BY (le,
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cluster, job, resource, verb)) / 1e+06
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labels:
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quantile: "0.9"
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- record: cluster_resource_verb:apiserver_latency:quantile_seconds
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expr: histogram_quantile(0.5, sum(apiserver_request_latencies_bucket) BY (le,
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cluster, job, resource, verb)) / 1e+06
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labels:
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quantile: "0.5"
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- record: cluster:scheduler_e2e_scheduling_latency:quantile_seconds
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expr: histogram_quantile(0.99, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.99"
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- record: cluster:scheduler_e2e_scheduling_latency:quantile_seconds
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expr: histogram_quantile(0.9, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.9"
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- record: cluster:scheduler_e2e_scheduling_latency:quantile_seconds
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expr: histogram_quantile(0.5, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.5"
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- record: cluster:scheduler_scheduling_algorithm_latency:quantile_seconds
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expr: histogram_quantile(0.99, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.99"
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- record: cluster:scheduler_scheduling_algorithm_latency:quantile_seconds
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expr: histogram_quantile(0.9, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.9"
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- record: cluster:scheduler_scheduling_algorithm_latency:quantile_seconds
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expr: histogram_quantile(0.5, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.5"
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- record: cluster:scheduler_binding_latency:quantile_seconds
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expr: histogram_quantile(0.99, sum(scheduler_binding_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.99"
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- record: cluster:scheduler_binding_latency:quantile_seconds
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expr: histogram_quantile(0.9, sum(scheduler_binding_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.9"
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- record: cluster:scheduler_binding_latency:quantile_seconds
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expr: histogram_quantile(0.5, sum(scheduler_binding_latency_microseconds_bucket)
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BY (le, cluster)) / 1e+06
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labels:
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quantile: "0.5"
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node.rules.yaml: |+
|
|
groups:
|
|
- name: ./node.rules
|
|
rules:
|
|
- alert: NodeExporterDown
|
|
expr: absent(up{kubernetes_name="node-exporter"} == 1)
|
|
for: 10m
|
|
labels:
|
|
severity: warning
|
|
annotations:
|
|
description: Prometheus could not scrape a node-exporter for more than 10m,
|
|
or node-exporters have disappeared from discovery.
|
|
summary: node-exporter cannot be scraped
|
|
- alert: K8SNodeOutOfDisk
|
|
expr: kube_node_status_condition{condition="OutOfDisk",status="true"} == 1
|
|
labels:
|
|
service: k8s
|
|
severity: critical
|
|
annotations:
|
|
description: '{{ $labels.node }} has run out of disk space.'
|
|
summary: Node ran out of disk space.
|
|
- alert: K8SNodeMemoryPressure
|
|
expr: kube_node_status_condition{condition="MemoryPressure",status="true"} ==
|
|
1
|
|
labels:
|
|
service: k8s
|
|
severity: warning
|
|
annotations:
|
|
description: '{{ $labels.node }} is under memory pressure.'
|
|
summary: Node is under memory pressure.
|
|
- alert: K8SNodeDiskPressure
|
|
expr: kube_node_status_condition{condition="DiskPressure",status="true"} == 1
|
|
labels:
|
|
service: k8s
|
|
severity: warning
|
|
annotations:
|
|
description: '{{ $labels.node }} is under disk pressure.'
|
|
summary: Node is under disk pressure.
|
|
prometheus.rules.yaml: |+
|
|
groups:
|
|
- name: ./prometheus.rules
|
|
rules:
|
|
- alert: FailedReload
|
|
expr: prometheus_config_last_reload_successful == 0
|
|
for: 10m
|
|
labels:
|
|
severity: warning
|
|
annotations:
|
|
description: Reloading Prometheus' configuration has failed for {{ $labels.namespace
|
|
}}/{{ $labels.pod}}.
|
|
summary: Prometheus configuration reload has failed
|