401 lines
12 KiB
Plaintext
401 lines
12 KiB
Plaintext
# 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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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(
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container_spec_cpu_shares{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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cluster_namespace_controller_pod_container:cpu_usage:rate =
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sum by (cluster,namespace,controller,pod_name,container_name) (
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label_replace(
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irate(
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container_cpu_usage_seconds_total{container_name!=""}[5m]
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),
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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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cluster_namespace_controller_pod_container:memory_usage: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_memory_usage_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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cluster_namespace_controller_pod_container:memory_working_set: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_memory_working_set_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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cluster_namespace_controller_pod_container:memory_rss: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_memory_rss{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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cluster_namespace_controller_pod_container:memory_cache: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_memory_cache{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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cluster_namespace_controller_pod_container:disk_usage: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_disk_usage_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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cluster_namespace_controller_pod_container:memory_pagefaults:rate =
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sum by (cluster,namespace,controller,pod_name,container_name,scope,type) (
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label_replace(
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irate(
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container_memory_failures_total{container_name!=""}[5m]
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),
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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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cluster_namespace_controller_pod_container:memory_oom:rate =
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sum by (cluster,namespace,controller,pod_name,container_name,scope,type) (
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label_replace(
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irate(
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container_memory_failcnt{container_name!=""}[5m]
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),
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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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### Cluster resources ###
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cluster:memory_allocation:percent =
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100 * sum by (cluster) (
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container_spec_memory_limit_bytes{pod_name!=""}
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) / sum by (cluster) (
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machine_memory_bytes
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)
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cluster:memory_used:percent =
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100 * sum by (cluster) (
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container_memory_usage_bytes{pod_name!=""}
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) / sum by (cluster) (
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machine_memory_bytes
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)
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cluster:cpu_allocation:percent =
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100 * sum by (cluster) (
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container_spec_cpu_shares{pod_name!=""}
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) / sum by (cluster) (
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container_spec_cpu_shares{id="/"} * on(cluster,instance) machine_cpu_cores
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)
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cluster:node_cpu_use:percent =
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100 * sum by (cluster) (
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rate(node_cpu{mode!="idle"}[5m])
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) / sum by (cluster) (
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machine_cpu_cores
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)
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### API latency ###
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# Raw metrics are in microseconds. Convert to seconds.
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cluster_resource_verb:apiserver_latency:quantile_seconds{quantile="0.99"} =
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histogram_quantile(
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0.99,
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sum by(le,cluster,job,resource,verb) (apiserver_request_latencies_bucket)
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) / 1e6
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cluster_resource_verb:apiserver_latency:quantile_seconds{quantile="0.9"} =
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histogram_quantile(
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0.9,
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sum by(le,cluster,job,resource,verb) (apiserver_request_latencies_bucket)
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) / 1e6
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cluster_resource_verb:apiserver_latency:quantile_seconds{quantile="0.5"} =
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histogram_quantile(
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0.5,
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sum by(le,cluster,job,resource,verb) (apiserver_request_latencies_bucket)
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) / 1e6
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### Scheduling latency ###
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cluster:scheduler_e2e_scheduling_latency:quantile_seconds{quantile="0.99"} =
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histogram_quantile(0.99,sum by (le,cluster) (scheduler_e2e_scheduling_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_e2e_scheduling_latency:quantile_seconds{quantile="0.9"} =
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histogram_quantile(0.9,sum by (le,cluster) (scheduler_e2e_scheduling_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_e2e_scheduling_latency:quantile_seconds{quantile="0.5"} =
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histogram_quantile(0.5,sum by (le,cluster) (scheduler_e2e_scheduling_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_scheduling_algorithm_latency:quantile_seconds{quantile="0.99"} =
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histogram_quantile(0.99,sum by (le,cluster) (scheduler_scheduling_algorithm_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_scheduling_algorithm_latency:quantile_seconds{quantile="0.9"} =
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histogram_quantile(0.9,sum by (le,cluster) (scheduler_scheduling_algorithm_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_scheduling_algorithm_latency:quantile_seconds{quantile="0.5"} =
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histogram_quantile(0.5,sum by (le,cluster) (scheduler_scheduling_algorithm_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_binding_latency:quantile_seconds{quantile="0.99"} =
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histogram_quantile(0.99,sum by (le,cluster) (scheduler_binding_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_binding_latency:quantile_seconds{quantile="0.9"} =
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histogram_quantile(0.9,sum by (le,cluster) (scheduler_binding_latency_microseconds_bucket)) / 1e6
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cluster:scheduler_binding_latency:quantile_seconds{quantile="0.5"} =
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histogram_quantile(0.5,sum by (le,cluster) (scheduler_binding_latency_microseconds_bucket)) / 1e6
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ALERT K8SNodeDown
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IF up{job="kubelets"} == 0
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FOR 1h
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LABELS {
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service = "k8s",
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Kubelet cannot be scraped",
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description = "Prometheus could not scrape a {{ $labels.job }} for more than one hour",
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}
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ALERT K8SNodeNotReady
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IF kube_node_status_ready{condition="true"} == 0
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FOR 1h
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LABELS {
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service = "k8s",
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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 by (cluster) (kube_node_status_ready{condition="true"} == 0) > 1
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AND
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(
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count by (cluster) (kube_node_status_ready{condition="true"} == 0)
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/
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count by (cluster) (kube_node_status_ready{condition="true"})
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) > 0.2
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FOR 1m
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LABELS {
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service = "k8s",
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severity = "critical",
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}
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ANNOTATIONS {
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summary = "Many K8s nodes are Not Ready",
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description = "{{ $value }} K8s nodes (more than 10% of cluster {{ $labels.cluster }}) are in the NotReady state.",
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}
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ALERT K8SKubeletNodeExporterDown
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IF up{job="node-exporter"} == 0
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FOR 15m
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LABELS {
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service = "k8s",
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Kubelet node_exporter cannot be scraped",
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description = "Prometheus could not scrape a {{ $labels.job }} for more than one hour.",
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}
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ALERT K8SKubeletDown
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IF absent(up{job="kubelets"}) or count by (cluster) (up{job="kubelets"} == 0) / count by (cluster) (up{job="kubelets"}) > 0.1
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FOR 1h
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LABELS {
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service = "k8s",
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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 more than 10% of kubelets, or all Kubelets have disappeared from service discovery.",
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}
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ALERT K8SApiserverDown
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IF up{job="kubernetes"} == 0
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FOR 15m
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LABELS {
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service = "k8s",
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "API server unreachable",
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description = "An API server could not be scraped.",
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}
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# Disable for non HA kubernetes setups.
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ALERT K8SApiserverDown
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IF absent({job="kubernetes"}) or (count by(cluster) (up{job="kubernetes"} == 1) < count by(cluster) (up{job="kubernetes"}))
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FOR 5m
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LABELS {
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service = "k8s",
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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 multiple API servers, or all API servers have disappeared from service discovery.",
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}
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ALERT K8SSchedulerDown
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IF absent(up{job="kube-scheduler"}) or (count by(cluster) (up{job="kube-scheduler"} == 1) == 0)
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FOR 5m
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LABELS {
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service = "k8s",
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severity = "critical",
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}
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ANNOTATIONS {
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summary = "Scheduler is down",
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description = "There is no running K8S scheduler. New pods are not being assigned to nodes.",
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}
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ALERT K8SControllerManagerDown
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IF absent(up{job="kube-controller-manager"}) or (count by(cluster) (up{job="kube-controller-manager"} == 1) == 0)
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FOR 5m
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LABELS {
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service = "k8s",
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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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}
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ALERT K8SMoreThanOneController
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IF count by (job,cluster) (up{job=~"kube-scheduler|kube-controller-manager"}) > 1
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FOR 5m
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LABELS {
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service = "k8s",
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severity = "critical",
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}
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ANNOTATIONS {
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summary = "More than one controller node is active",
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description = "There is more than one {{ $labels.job }} managing the cluster. Cluster behaviour is undefined.",
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}
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ALERT K8SConntrackTableFull
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IF 100*node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 50
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FOR 10m
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LABELS {
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service = "k8s",
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Number of tracked connections is near the limit",
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description = "The nf_conntrack table is {{ $value }}% full.",
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}
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ALERT K8SConntrackTableFull
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IF 100*node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 90
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LABELS {
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service = "k8s",
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "Number of tracked connections is near the limit",
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description = "The nf_conntrack table is {{ $value }}% full.",
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}
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# To catch the conntrack sysctl de-tuning when it happens
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ALERT K8SConntrackTuningMissing
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IF node_nf_conntrack_udp_timeout > 10
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FOR 10m
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LABELS {
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service = "k8s",
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severity = "warning",
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}
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ANNOTATIONS {
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summary = "Node does not have the correct conntrack tunings",
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description = "Nodes keep un-setting the correct tunings, investigate when it happens.",
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}
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ALERT K8STooManyOpenFiles
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IF 100*process_open_fds{job=~"kubelets|kubernetes"} / process_max_fds > 50
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FOR 10m
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LABELS {
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service = "k8s",
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "{{ $labels.job }} has too many open file descriptors",
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description = "{{ $labels.node }} is using {{ $value }}% of the available file/socket descriptors.",
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}
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ALERT K8STooManyOpenFiles
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IF 100*process_open_fds{job=~"kubelets|kubernetes"} / process_max_fds > 80
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FOR 10m
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LABELS {
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service = "k8s",
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severity = "critical"
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}
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ANNOTATIONS {
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summary = "{{ $labels.job }} has too many open file descriptors",
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description = "{{ $labels.node }} is using {{ $value }}% of the available file/socket descriptors.",
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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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ALERT K8SApiServerLatency
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IF histogram_quantile(
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0.99,
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sum without (instance,node,resource) (apiserver_request_latencies_bucket{verb!~"CONNECT|WATCHLIST|WATCH"})
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) / 1e6 > 1.0
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FOR 10m
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LABELS {
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service = "k8s",
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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 {{ $labels.verb }} requests to the kube-apiserver is higher than 1s.",
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}
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ALERT K8SApiServerEtcdAccessLatency
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IF etcd_request_latencies_summary{quantile="0.99"} / 1e6 > 1.0
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FOR 15m
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LABELS {
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service = "k8s",
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severity = "warning"
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}
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ANNOTATIONS {
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summary = "Access to etcd is slow",
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description = "99th percentile latency for apiserver to access etcd is higher than 1s.",
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}
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ALERT K8SKubeletTooManyPods
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IF kubelet_running_pod_count > 100
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LABELS {
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service = "k8s",
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severity = "warning",
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}
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ANNOTATIONS {
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summary = "Kubelet is close to pod limit",
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description = "Kubelet {{$labels.instance}} is running {{$value}} pods, close to the limit of 110",
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}
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