629 lines
22 KiB
YAML
629 lines
22 KiB
YAML
apiVersion: v1
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kind: ConfigMap
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metadata:
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name: prometheus-k8s-rules
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labels:
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role: prometheus-rulefiles
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prometheus: k8s
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data:
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alertmanager.rules: |+
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ALERT AlertmanagerConfigInconsistent
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IF count_values by (service) ("config_hash", alertmanager_config_hash)
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/ on(service) group_left
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label_replace(prometheus_operator_alertmanager_spec_replicas, "service", "alertmanager-$1", "alertmanager", "(.*)") != 1
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FOR 5m
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LABELS {
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "Alertmanager configurations are inconsistent",
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description = "The configuration of the instances of the Alertmanager cluster `{{$labels.service}}` are out of sync."
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}
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ALERT AlertmanagerDownOrMissing
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IF label_replace(prometheus_operator_alertmanager_spec_replicas, "job", "alertmanager-$1", "alertmanager", "(.*)")
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/ on(job) group_right
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sum by(job) (up) != 1
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FOR 5m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Alertmanager down or not discovered",
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description = "An unexpected number of Alertmanagers are scraped or Alertmanagers disappeared from discovery."
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}
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ALERT FailedReload
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IF 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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}
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ANNOTATIONS {
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summary = "Alertmanager configuration reload has failed",
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description = "Reloading Alertmanager's configuration has failed for {{ $labels.namespace }}/{{ $labels.pod}}."
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}
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etcd3.rules: |+
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# general cluster availability
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# alert if another failed member will result in an unavailable cluster
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ALERT InsufficientMembers
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IF 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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}
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ANNOTATIONS {
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summary = "etcd cluster insufficient members",
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description = "If one more etcd member goes down the cluster will be unavailable",
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}
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# etcd leader alerts
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# ==================
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# alert if any etcd instance has no leader
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ALERT NoLeader
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IF 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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}
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ANNOTATIONS {
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summary = "etcd member has no leader",
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description = "etcd member {{ $labels.instance }} has no leader",
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}
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# alert if there are lots of leader changes
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ALERT HighNumberOfLeaderChanges
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IF 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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}
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ANNOTATIONS {
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summary = "a high number of leader changes within the etcd cluster are happening",
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description = "etcd instance {{ $labels.instance }} has seen {{ $value }} leader changes within the last hour",
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}
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# gRPC request alerts
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# ===================
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# alert if more than 1% of gRPC method calls have failed within the last 5 minutes
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ALERT HighNumberOfFailedGRPCRequests
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IF sum by(grpc_method) (rate(etcd_grpc_requests_failed_total{job="etcd"}[5m]))
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/ sum by(grpc_method) (rate(etcd_grpc_total{job="etcd"}[5m])) > 0.01
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "a high number of gRPC requests are failing",
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description = "{{ $value }}% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}",
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}
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# alert if more than 5% of gRPC method calls have failed within the last 5 minutes
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ALERT HighNumberOfFailedGRPCRequests
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IF sum by(grpc_method) (rate(etcd_grpc_requests_failed_total{job="etcd"}[5m]))
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/ sum by(grpc_method) (rate(etcd_grpc_total{job="etcd"}[5m])) > 0.05
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FOR 5m
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LABELS {
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "a high number of gRPC requests are failing",
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description = "{{ $value }}% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}",
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}
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# alert if the 99th percentile of gRPC method calls take more than 150ms
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ALERT GRPCRequestsSlow
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IF histogram_quantile(0.99, rate(etcd_grpc_unary_requests_duration_seconds_bucket[5m])) > 0.15
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FOR 10m
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LABELS {
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "slow gRPC requests",
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description = "on etcd instance {{ $labels.instance }} gRPC requests to {{ $labels.grpc_method }} are slow",
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}
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# HTTP requests alerts
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# ====================
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# alert if more than 1% of requests to an HTTP endpoint have failed within the last 5 minutes
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ALERT HighNumberOfFailedHTTPRequests
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IF sum by(method) (rate(etcd_http_failed_total{job="etcd"}[5m]))
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/ sum by(method) (rate(etcd_http_received_total{job="etcd"}[5m])) > 0.01
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "a high number of HTTP requests are failing",
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description = "{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}",
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}
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# alert if more than 5% of requests to an HTTP endpoint have failed within the last 5 minutes
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ALERT HighNumberOfFailedHTTPRequests
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IF sum by(method) (rate(etcd_http_failed_total{job="etcd"}[5m]))
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/ sum by(method) (rate(etcd_http_received_total{job="etcd"}[5m])) > 0.05
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FOR 5m
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LABELS {
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "a high number of HTTP requests are failing",
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description = "{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}",
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}
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# alert if the 99th percentile of HTTP requests take more than 150ms
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ALERT HTTPRequestsSlow
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IF histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m])) > 0.15
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "slow HTTP requests",
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description = "on etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method }} are slow",
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}
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# etcd member communication alerts
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# ================================
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# alert if 99th percentile of round trips take 150ms
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ALERT EtcdMemberCommunicationSlow
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IF histogram_quantile(0.99, rate(etcd_network_member_round_trip_time_seconds_bucket[5m])) > 0.15
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "etcd member communication is slow",
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description = "etcd instance {{ $labels.instance }} member communication with {{ $labels.To }} is slow",
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}
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# etcd proposal alerts
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# ====================
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# alert if there are several failed proposals within an hour
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ALERT HighNumberOfFailedProposals
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IF 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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}
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ANNOTATIONS {
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summary = "a high number of proposals within the etcd cluster are failing",
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description = "etcd instance {{ $labels.instance }} has seen {{ $value }} proposal failures within the last hour",
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}
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# etcd disk io latency alerts
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# ===========================
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# alert if 99th percentile of fsync durations is higher than 500ms
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ALERT HighFsyncDurations
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IF histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m])) > 0.5
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "high fsync durations",
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description = "etcd instance {{ $labels.instance }} fync durations are high",
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}
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# alert if 99th percentile of commit durations is higher than 250ms
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ALERT HighCommitDurations
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IF histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[5m])) > 0.25
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "high commit durations",
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description = "etcd instance {{ $labels.instance }} commit durations are high",
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}
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general.rules: |+
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### Up Alerting ###
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Alert TargetDown
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IF 100 * (count by(job) (up == 0) / count by(job) (up)) > 10
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Targets are down",
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description = "{{ $value }}% or more of {{ $labels.job }} targets are down."
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}
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### Dead man's switch ###
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ALERT DeadMansSwitch
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IF vector(1)
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LABELS {
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severity = "none",
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}
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ANNOTATIONS {
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summary = "Alerting DeadMansSwitch",
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description = "This is a DeadMansSwitch meant to ensure that the entire Alerting pipeline is functional.",
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}
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### File descriptor alerts ###
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ALERT TooManyOpenFileDescriptors
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IF 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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}
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ANNOTATIONS {
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summary = "too many open file descriptors",
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description = "{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.instance }}) is using {{ $value }}% of the available file/socket descriptors.",
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}
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instance:fd_utilization = process_open_fds / process_max_fds
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# alert if file descriptors are likely to exhaust within the next 4 hours
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ALERT FdExhaustionClose
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IF 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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}
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ANNOTATIONS {
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summary = "file descriptors soon exhausted",
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description = "{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.instance }}) instance will exhaust in file/socket descriptors soon",
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}
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# alert if file descriptors are likely to exhaust within the next hour
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ALERT FdExhaustionClose
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IF 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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}
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ANNOTATIONS {
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summary = "file descriptors soon exhausted",
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description = "{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.instance }}) instance will exhaust in file/socket descriptors soon",
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}
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kube-apiserver.rules: |+
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ALERT K8SApiserverDown
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IF absent(up{job="apiserver"} == 1)
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FOR 5m
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LABELS {
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "API server unreachable",
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description = "Prometheus failed to scrape API server(s), or all API servers have disappeared from service discovery.",
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}
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# Some verbs excluded because they are expected to be long-lasting:
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# WATCHLIST is long-poll, CONNECT is `kubectl exec`.
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#
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# apiserver_request_latencies' unit is microseconds
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ALERT K8SApiServerLatency
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IF histogram_quantile(
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0.99,
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sum without (instance,resource) (apiserver_request_latencies_bucket{verb!~"CONNECT|WATCHLIST|WATCH|PROXY"})
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) / 1e6 > 1.0
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FOR 10m
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LABELS {
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Kubernetes apiserver latency is high",
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description = "99th percentile Latency for {{ $labels.verb }} requests to the kube-apiserver is higher than 1s.",
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}
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kube-controller-manager.rules: |+
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ALERT K8SControllerManagerDown
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IF absent(up{job="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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}
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ANNOTATIONS {
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summary = "Controller manager is down",
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description = "There is no running K8S controller manager. Deployments and replication controllers are not making progress.",
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runbook = "https://coreos.com/tectonic/docs/latest/troubleshooting/controller-recovery.html#recovering-a-controller-manager",
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}
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kubelet.rules: |+
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ALERT K8SNodeNotReady
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IF 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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}
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ANNOTATIONS {
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summary = "Node status is NotReady",
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description = "The Kubelet on {{ $labels.node }} has not checked in with the API, or has set itself to NotReady, for more than an hour",
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}
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ALERT K8SManyNodesNotReady
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IF
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count(kube_node_status_condition{condition="Ready", status="true"} == 0) > 1
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AND
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(
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count(kube_node_status_condition{condition="Ready", status="true"} == 0)
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/
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count(kube_node_status_condition{condition="Ready", status="true"})
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) > 0.2
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FOR 1m
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LABELS {
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severity = "critical",
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}
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ANNOTATIONS {
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summary = "Many Kubernetes nodes are Not Ready",
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description = "{{ $value }} Kubernetes nodes (more than 10% are in the NotReady state).",
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}
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ALERT K8SKubeletDown
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IF count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) > 0.03
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FOR 1h
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LABELS {
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severity = "warning",
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}
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ANNOTATIONS {
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summary = "Many Kubelets cannot be scraped",
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description = "Prometheus failed to scrape {{ $value }}% of kubelets.",
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}
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ALERT K8SKubeletDown
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IF absent(up{job="kubelet"} == 1) or count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) > 0.1
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FOR 1h
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LABELS {
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severity = "critical",
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}
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ANNOTATIONS {
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summary = "Many Kubelets cannot be scraped",
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description = "Prometheus failed to scrape {{ $value }}% of kubelets, or all Kubelets have disappeared from service discovery.",
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}
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ALERT K8SKubeletTooManyPods
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IF kubelet_running_pod_count > 100
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LABELS {
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severity = "warning",
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}
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ANNOTATIONS {
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summary = "Kubelet is close to pod limit",
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description = "Kubelet {{$labels.instance}} is running {{$value}} pods, close to the limit of 110",
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}
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kubernetes.rules: |+
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# NOTE: These rules were kindly contributed by the SoundCloud engineering team.
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### Container resources ###
|
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cluster_namespace_controller_pod_container:spec_memory_limit_bytes =
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sum by (cluster,namespace,controller,pod_name,container_name) (
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label_replace(
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container_spec_memory_limit_bytes{container_name!=""},
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"controller", "$1",
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"pod_name", "^(.*)-[a-z0-9]+"
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)
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)
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|
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cluster_namespace_controller_pod_container:spec_cpu_shares =
|
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sum by (cluster,namespace,controller,pod_name,container_name) (
|
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label_replace(
|
|
container_spec_cpu_shares{container_name!=""},
|
|
"controller", "$1",
|
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"pod_name", "^(.*)-[a-z0-9]+"
|
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)
|
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)
|
|
|
|
cluster_namespace_controller_pod_container:cpu_usage:rate =
|
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sum by (cluster,namespace,controller,pod_name,container_name) (
|
|
label_replace(
|
|
irate(
|
|
container_cpu_usage_seconds_total{container_name!=""}[5m]
|
|
),
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
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)
|
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)
|
|
|
|
cluster_namespace_controller_pod_container:memory_usage:bytes =
|
|
sum by (cluster,namespace,controller,pod_name,container_name) (
|
|
label_replace(
|
|
container_memory_usage_bytes{container_name!=""},
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
cluster_namespace_controller_pod_container:memory_working_set:bytes =
|
|
sum by (cluster,namespace,controller,pod_name,container_name) (
|
|
label_replace(
|
|
container_memory_working_set_bytes{container_name!=""},
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
cluster_namespace_controller_pod_container:memory_rss:bytes =
|
|
sum by (cluster,namespace,controller,pod_name,container_name) (
|
|
label_replace(
|
|
container_memory_rss{container_name!=""},
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
cluster_namespace_controller_pod_container:memory_cache:bytes =
|
|
sum by (cluster,namespace,controller,pod_name,container_name) (
|
|
label_replace(
|
|
container_memory_cache{container_name!=""},
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
cluster_namespace_controller_pod_container:disk_usage:bytes =
|
|
sum by (cluster,namespace,controller,pod_name,container_name) (
|
|
label_replace(
|
|
container_disk_usage_bytes{container_name!=""},
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
cluster_namespace_controller_pod_container:memory_pagefaults:rate =
|
|
sum by (cluster,namespace,controller,pod_name,container_name,scope,type) (
|
|
label_replace(
|
|
irate(
|
|
container_memory_failures_total{container_name!=""}[5m]
|
|
),
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
cluster_namespace_controller_pod_container:memory_oom:rate =
|
|
sum by (cluster,namespace,controller,pod_name,container_name,scope,type) (
|
|
label_replace(
|
|
irate(
|
|
container_memory_failcnt{container_name!=""}[5m]
|
|
),
|
|
"controller", "$1",
|
|
"pod_name", "^(.*)-[a-z0-9]+"
|
|
)
|
|
)
|
|
|
|
### Cluster resources ###
|
|
|
|
cluster:memory_allocation:percent =
|
|
100 * sum by (cluster) (
|
|
container_spec_memory_limit_bytes{pod_name!=""}
|
|
) / sum by (cluster) (
|
|
machine_memory_bytes
|
|
)
|
|
|
|
cluster:memory_used:percent =
|
|
100 * sum by (cluster) (
|
|
container_memory_usage_bytes{pod_name!=""}
|
|
) / sum by (cluster) (
|
|
machine_memory_bytes
|
|
)
|
|
|
|
cluster:cpu_allocation:percent =
|
|
100 * sum by (cluster) (
|
|
container_spec_cpu_shares{pod_name!=""}
|
|
) / sum by (cluster) (
|
|
container_spec_cpu_shares{id="/"} * on(cluster,instance) machine_cpu_cores
|
|
)
|
|
|
|
cluster:node_cpu_use:percent =
|
|
100 * sum by (cluster) (
|
|
rate(node_cpu{mode!="idle"}[5m])
|
|
) / sum by (cluster) (
|
|
machine_cpu_cores
|
|
)
|
|
|
|
### API latency ###
|
|
|
|
# Raw metrics are in microseconds. Convert to seconds.
|
|
cluster_resource_verb:apiserver_latency:quantile_seconds{quantile="0.99"} =
|
|
histogram_quantile(
|
|
0.99,
|
|
sum by(le,cluster,job,resource,verb) (apiserver_request_latencies_bucket)
|
|
) / 1e6
|
|
cluster_resource_verb:apiserver_latency:quantile_seconds{quantile="0.9"} =
|
|
histogram_quantile(
|
|
0.9,
|
|
sum by(le,cluster,job,resource,verb) (apiserver_request_latencies_bucket)
|
|
) / 1e6
|
|
cluster_resource_verb:apiserver_latency:quantile_seconds{quantile="0.5"} =
|
|
histogram_quantile(
|
|
0.5,
|
|
sum by(le,cluster,job,resource,verb) (apiserver_request_latencies_bucket)
|
|
) / 1e6
|
|
|
|
### Scheduling latency ###
|
|
|
|
cluster:scheduler_e2e_scheduling_latency:quantile_seconds{quantile="0.99"} =
|
|
histogram_quantile(0.99,sum by (le,cluster) (scheduler_e2e_scheduling_latency_microseconds_bucket)) / 1e6
|
|
cluster:scheduler_e2e_scheduling_latency:quantile_seconds{quantile="0.9"} =
|
|
histogram_quantile(0.9,sum by (le,cluster) (scheduler_e2e_scheduling_latency_microseconds_bucket)) / 1e6
|
|
cluster:scheduler_e2e_scheduling_latency:quantile_seconds{quantile="0.5"} =
|
|
histogram_quantile(0.5,sum by (le,cluster) (scheduler_e2e_scheduling_latency_microseconds_bucket)) / 1e6
|
|
|
|
cluster:scheduler_scheduling_algorithm_latency:quantile_seconds{quantile="0.99"} =
|
|
histogram_quantile(0.99,sum by (le,cluster) (scheduler_scheduling_algorithm_latency_microseconds_bucket)) / 1e6
|
|
cluster:scheduler_scheduling_algorithm_latency:quantile_seconds{quantile="0.9"} =
|
|
histogram_quantile(0.9,sum by (le,cluster) (scheduler_scheduling_algorithm_latency_microseconds_bucket)) / 1e6
|
|
cluster:scheduler_scheduling_algorithm_latency:quantile_seconds{quantile="0.5"} =
|
|
histogram_quantile(0.5,sum by (le,cluster) (scheduler_scheduling_algorithm_latency_microseconds_bucket)) / 1e6
|
|
|
|
cluster:scheduler_binding_latency:quantile_seconds{quantile="0.99"} =
|
|
histogram_quantile(0.99,sum by (le,cluster) (scheduler_binding_latency_microseconds_bucket)) / 1e6
|
|
cluster:scheduler_binding_latency:quantile_seconds{quantile="0.9"} =
|
|
histogram_quantile(0.9,sum by (le,cluster) (scheduler_binding_latency_microseconds_bucket)) / 1e6
|
|
cluster:scheduler_binding_latency:quantile_seconds{quantile="0.5"} =
|
|
histogram_quantile(0.5,sum by (le,cluster) (scheduler_binding_latency_microseconds_bucket)) / 1e6
|
|
kube-scheduler.rules: |+
|
|
ALERT K8SSchedulerDown
|
|
IF absent(up{job="kube-scheduler"} == 1)
|
|
FOR 5m
|
|
LABELS {
|
|
severity = "critical",
|
|
}
|
|
ANNOTATIONS {
|
|
summary = "Scheduler is down",
|
|
description = "There is no running K8S scheduler. New pods are not being assigned to nodes.",
|
|
runbook = "https://coreos.com/tectonic/docs/latest/troubleshooting/controller-recovery.html#recovering-a-scheduler",
|
|
}
|
|
node.rules: |+
|
|
ALERT NodeExporterDown
|
|
IF absent(up{job="node-exporter"} == 1)
|
|
FOR 10m
|
|
LABELS {
|
|
severity = "warning"
|
|
}
|
|
ANNOTATIONS {
|
|
summary = "node-exporter cannot be scraped",
|
|
description = "Prometheus could not scrape a node-exporter for more than 10m, or node-exporters have disappeared from discovery.",
|
|
}
|
|
|
|
ALERT K8SNodeOutOfDisk
|
|
IF kube_node_status_condition{condition="OutOfDisk", status="true"} == 1
|
|
LABELS {
|
|
service = "k8s",
|
|
severity = "critical"
|
|
}
|
|
ANNOTATIONS {
|
|
summary = "Node ran out of disk space.",
|
|
description = "{{ $labels.node }} has run out of disk space.",
|
|
}
|
|
|
|
ALERT K8SNodeMemoryPressure
|
|
IF kube_node_status_condition{condition="MemoryPressure", status="true"} == 1
|
|
LABELS {
|
|
service = "k8s",
|
|
severity = "warning"
|
|
}
|
|
ANNOTATIONS {
|
|
summary = "Node is under memory pressure.",
|
|
description = "{{ $labels.node }} is under memory pressure.",
|
|
}
|
|
|
|
ALERT K8SNodeDiskPressure
|
|
IF kube_node_status_condition{condition="DiskPressure", status="true"} == 1
|
|
LABELS {
|
|
service = "k8s",
|
|
severity = "warning"
|
|
}
|
|
ANNOTATIONS {
|
|
summary = "Node is under disk pressure.",
|
|
description = "{{ $labels.node }} is under disk pressure.",
|
|
}
|
|
prometheus.rules: |+
|
|
ALERT FailedReload
|
|
IF prometheus_config_last_reload_successful == 0
|
|
FOR 10m
|
|
LABELS {
|
|
severity = "warning"
|
|
}
|
|
ANNOTATIONS {
|
|
summary = "Prometheus configuration reload has failed",
|
|
description = "Reloading Prometheus' configuration has failed for {{ $labels.namespace }}/{{ $labels.pod}}."
|
|
}
|