From a37ad3a270ec153f3f0de0800464dcb32f326426 Mon Sep 17 00:00:00 2001
From: Frederic Branczyk <fbranczyk@gmail.com>
Date: Tue, 21 Nov 2017 16:37:50 +0100
Subject: [PATCH] kube-prometheus: sync rules
---
.../prometheus/rules/alertmanager.rules.yaml | 7 +-
assets/prometheus/rules/general.rules.yaml | 27 +--
.../rules/kube-apiserver.rules.yaml | 22 ---
.../rules/kube-controller-manager.rules.yaml | 2 +-
.../rules/kube-scheduler.rules.yaml | 47 ++++-
.../rules/kube-state-metrics.rules.yaml | 55 ++++++
assets/prometheus/rules/kubelet.rules.yaml | 41 +---
assets/prometheus/rules/kubernetes.rules.yaml | 175 ++++++++----------
assets/prometheus/rules/node.rules.yaml | 53 +++---
assets/prometheus/rules/prometheus.rules.yaml | 42 ++++-
10 files changed, 259 insertions(+), 212 deletions(-)
delete mode 100644 assets/prometheus/rules/kube-apiserver.rules.yaml
create mode 100644 assets/prometheus/rules/kube-state-metrics.rules.yaml
diff --git a/assets/prometheus/rules/alertmanager.rules.yaml b/assets/prometheus/rules/alertmanager.rules.yaml
index 8f65c5da..fdfdfd0f 100644
--- a/assets/prometheus/rules/alertmanager.rules.yaml
+++ b/assets/prometheus/rules/alertmanager.rules.yaml
@@ -1,5 +1,5 @@
groups:
-- name: ./alertmanager.rules
+- name: alertmanager.rules
rules:
- alert: AlertmanagerConfigInconsistent
expr: count_values("config_hash", alertmanager_config_hash) BY (service) / ON(service)
@@ -11,7 +11,6 @@ groups:
annotations:
description: The configuration of the instances of the Alertmanager cluster
`{{$labels.service}}` are out of sync.
- summary: Alertmanager configurations are inconsistent
- alert: AlertmanagerDownOrMissing
expr: label_replace(prometheus_operator_alertmanager_spec_replicas, "job", "alertmanager-$1",
"alertmanager", "(.*)") / ON(job) GROUP_RIGHT() sum(up) BY (job) != 1
@@ -21,8 +20,7 @@ groups:
annotations:
description: An unexpected number of Alertmanagers are scraped or Alertmanagers
disappeared from discovery.
- summary: Alertmanager down or not discovered
- - alert: FailedReload
+ - alert: AlertmanagerFailedReload
expr: alertmanager_config_last_reload_successful == 0
for: 10m
labels:
@@ -30,4 +28,3 @@ groups:
annotations:
description: Reloading Alertmanager's configuration has failed for {{ $labels.namespace
}}/{{ $labels.pod}}.
- summary: Alertmanager configuration reload has failed
diff --git a/assets/prometheus/rules/general.rules.yaml b/assets/prometheus/rules/general.rules.yaml
index 355e12f3..84ce6b47 100644
--- a/assets/prometheus/rules/general.rules.yaml
+++ b/assets/prometheus/rules/general.rules.yaml
@@ -1,5 +1,5 @@
groups:
-- name: ./general.rules
+- name: general.rules
rules:
- alert: TargetDown
expr: 100 * (count(up == 0) BY (job) / count(up) BY (job)) > 10
@@ -7,7 +7,7 @@ groups:
labels:
severity: warning
annotations:
- description: '{{ $value }}% or more of {{ $labels.job }} targets are down.'
+ description: '{{ $value }}% of {{ $labels.job }} targets are down.'
summary: Targets are down
- alert: DeadMansSwitch
expr: vector(1)
@@ -17,32 +17,23 @@ groups:
description: This is a DeadMansSwitch meant to ensure that the entire Alerting
pipeline is functional.
summary: Alerting DeadMansSwitch
- - alert: TooManyOpenFileDescriptors
- expr: 100 * (process_open_fds / process_max_fds) > 95
- for: 10m
- labels:
- severity: critical
- annotations:
- description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{
- $labels.instance }}) is using {{ $value }}% of the available file/socket descriptors.'
- summary: too many open file descriptors
- - record: instance:fd_utilization
+ - record: fd_utilization
expr: process_open_fds / process_max_fds
- alert: FdExhaustionClose
- expr: predict_linear(instance:fd_utilization[1h], 3600 * 4) > 1
+ expr: predict_linear(fd_utilization[1h], 3600 * 4) > 1
for: 10m
labels:
severity: warning
annotations:
- description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{
- $labels.instance }}) instance will exhaust in file/socket descriptors soon'
+ description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} instance
+ will exhaust in file/socket descriptors within the next 4 hours'
summary: file descriptors soon exhausted
- alert: FdExhaustionClose
- expr: predict_linear(instance:fd_utilization[10m], 3600) > 1
+ expr: predict_linear(fd_utilization[10m], 3600) > 1
for: 10m
labels:
severity: critical
annotations:
- description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} ({{
- $labels.instance }}) instance will exhaust in file/socket descriptors soon'
+ description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} instance
+ will exhaust in file/socket descriptors within the next hour'
summary: file descriptors soon exhausted
diff --git a/assets/prometheus/rules/kube-apiserver.rules.yaml b/assets/prometheus/rules/kube-apiserver.rules.yaml
deleted file mode 100644
index 50982b05..00000000
--- a/assets/prometheus/rules/kube-apiserver.rules.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-groups:
-- name: ./kube-apiserver.rules
- rules:
- - alert: K8SApiserverDown
- expr: absent(up{job="apiserver"} == 1)
- for: 5m
- labels:
- severity: critical
- annotations:
- description: Prometheus failed to scrape API server(s), or all API servers have
- disappeared from service discovery.
- summary: API server unreachable
- - alert: K8SApiServerLatency
- expr: histogram_quantile(0.99, sum(rate(apiserver_request_latencies_bucket{subresource!="log",verb!~"^(?:CONNECT|WATCHLIST|WATCH|PROXY)$"}[10m]))
- by (le)) / 1e+06 > 1
- for: 10m
- labels:
- severity: warning
- annotations:
- description: 99th percentile Latency for {{ $labels.verb }} requests to the
- kube-apiserver is higher than 1s.
- summary: Kubernetes apiserver latency is high
diff --git a/assets/prometheus/rules/kube-controller-manager.rules.yaml b/assets/prometheus/rules/kube-controller-manager.rules.yaml
index f23bbde3..4ea82ed1 100644
--- a/assets/prometheus/rules/kube-controller-manager.rules.yaml
+++ b/assets/prometheus/rules/kube-controller-manager.rules.yaml
@@ -1,5 +1,5 @@
groups:
-- name: ./kube-controller-manager.rules
+- name: kube-controller-manager.rules
rules:
- alert: K8SControllerManagerDown
expr: absent(up{job="kube-controller-manager"} == 1)
diff --git a/assets/prometheus/rules/kube-scheduler.rules.yaml b/assets/prometheus/rules/kube-scheduler.rules.yaml
index 0383b3b1..8f0c01fd 100644
--- a/assets/prometheus/rules/kube-scheduler.rules.yaml
+++ b/assets/prometheus/rules/kube-scheduler.rules.yaml
@@ -1,6 +1,51 @@
groups:
-- name: ./kube-scheduler.rules
+- name: kube-scheduler.rules
rules:
+ - record: cluster:scheduler_e2e_scheduling_latency_seconds:quantile
+ expr: histogram_quantile(0.99, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.99"
+ - record: cluster:scheduler_e2e_scheduling_latency_seconds:quantile
+ expr: histogram_quantile(0.9, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.9"
+ - record: cluster:scheduler_e2e_scheduling_latency_seconds:quantile
+ expr: histogram_quantile(0.5, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.5"
+ - record: cluster:scheduler_scheduling_algorithm_latency_seconds:quantile
+ expr: histogram_quantile(0.99, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.99"
+ - record: cluster:scheduler_scheduling_algorithm_latency_seconds:quantile
+ expr: histogram_quantile(0.9, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.9"
+ - record: cluster:scheduler_scheduling_algorithm_latency_seconds:quantile
+ expr: histogram_quantile(0.5, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.5"
+ - record: cluster:scheduler_binding_latency_seconds:quantile
+ expr: histogram_quantile(0.99, sum(scheduler_binding_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.99"
+ - record: cluster:scheduler_binding_latency_seconds:quantile
+ expr: histogram_quantile(0.9, sum(scheduler_binding_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.9"
+ - record: cluster:scheduler_binding_latency_seconds:quantile
+ expr: histogram_quantile(0.5, sum(scheduler_binding_latency_microseconds_bucket)
+ BY (le, cluster)) / 1e+06
+ labels:
+ quantile: "0.5"
- alert: K8SSchedulerDown
expr: absent(up{job="kube-scheduler"} == 1)
for: 5m
diff --git a/assets/prometheus/rules/kube-state-metrics.rules.yaml b/assets/prometheus/rules/kube-state-metrics.rules.yaml
new file mode 100644
index 00000000..32b99fa2
--- /dev/null
+++ b/assets/prometheus/rules/kube-state-metrics.rules.yaml
@@ -0,0 +1,55 @@
+groups:
+- name: kube-state-metrics.rules
+ rules:
+ - alert: DeploymentGenerationMismatch
+ expr: kube_deployment_status_observed_generation != kube_deployment_metadata_generation
+ for: 15m
+ labels:
+ severity: warning
+ annotations:
+ description: Observed deployment generation does not match expected one for
+ deployment {{$labels.namespaces}}{{$labels.deployment}}
+ - alert: DeploymentReplicasNotUpdated
+ expr: ((kube_deployment_status_replicas_updated != kube_deployment_spec_replicas)
+ or (kube_deployment_status_replicas_available != kube_deployment_spec_replicas))
+ unless (kube_deployment_spec_paused == 1)
+ for: 15m
+ labels:
+ severity: warning
+ annotations:
+ description: Replicas are not updated and available for deployment {{$labels.namespaces}}/{{$labels.deployment}}
+ - alert: DaemonSetRolloutStuck
+ expr: kube_daemonset_status_current_number_ready / kube_daemonset_status_desired_number_scheduled
+ * 100 < 100
+ for: 15m
+ labels:
+ severity: warning
+ annotations:
+ description: Only {{$value}}% of desired pods scheduled and ready for daemon
+ set {{$labels.namespaces}}/{{$labels.daemonset}}
+ - alert: K8SDaemonSetsNotScheduled
+ expr: kube_daemonset_status_desired_number_scheduled - kube_daemonset_status_current_number_scheduled
+ > 0
+ for: 10m
+ labels:
+ severity: warning
+ annotations:
+ description: A number of daemonsets are not scheduled.
+ summary: Daemonsets are not scheduled correctly
+ - alert: DaemonSetsMissScheduled
+ expr: kube_daemonset_status_number_misscheduled > 0
+ for: 10m
+ labels:
+ severity: warning
+ annotations:
+ description: A number of daemonsets are running where they are not supposed
+ to run.
+ summary: Daemonsets are not scheduled correctly
+ - alert: PodFrequentlyRestarting
+ expr: increase(kube_pod_container_status_restarts[1h]) > 5
+ for: 10m
+ labels:
+ severity: warning
+ annotations:
+ description: Pod {{$labels.namespaces}}/{{$labels.pod}} is was restarted {{$value}}
+ times within the last hour
diff --git a/assets/prometheus/rules/kubelet.rules.yaml b/assets/prometheus/rules/kubelet.rules.yaml
index 03ea03da..a1fc93cb 100644
--- a/assets/prometheus/rules/kubelet.rules.yaml
+++ b/assets/prometheus/rules/kubelet.rules.yaml
@@ -1,5 +1,5 @@
groups:
-- name: ./kubelet.rules
+- name: kubelet.rules
rules:
- alert: K8SNodeNotReady
expr: kube_node_status_condition{condition="Ready",status="true"} == 0
@@ -18,20 +18,17 @@ groups:
labels:
severity: critical
annotations:
- description: '{{ $value }} Kubernetes nodes (more than 10% are in the NotReady
- state).'
- summary: Many Kubernetes nodes are Not Ready
+ description: '{{ $value }}% of Kubernetes nodes are not ready'
- alert: K8SKubeletDown
- expr: count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) > 0.03
+ expr: count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) * 100 > 3
for: 1h
labels:
severity: warning
annotations:
description: Prometheus failed to scrape {{ $value }}% of kubelets.
- summary: Many Kubelets cannot be scraped
- alert: K8SKubeletDown
- expr: absent(up{job="kubelet"} == 1) or count(up{job="kubelet"} == 0) / count(up{job="kubelet"})
- > 0.1
+ expr: (absent(up{job="kubelet"} == 1) or count(up{job="kubelet"} == 0) / count(up{job="kubelet"}))
+ * 100 > 1
for: 1h
labels:
severity: critical
@@ -41,36 +38,10 @@ groups:
summary: Many Kubelets cannot be scraped
- alert: K8SKubeletTooManyPods
expr: kubelet_running_pod_count > 100
+ for: 10m
labels:
severity: warning
annotations:
description: Kubelet {{$labels.instance}} is running {{$value}} pods, close
to the limit of 110
summary: Kubelet is close to pod limit
- - alert: K8SDaemonSetsNotScheduled
- expr: kube_daemonset_status_desired_number_scheduled - kube_daemonset_status_current_number_scheduled
- > 0
- for: 10m
- labels:
- severity: warning
- annotations:
- description: A number of daemonsets are not scheduled.
- summary: Daemonsets are not scheduled correctly
- - alert: K8SDaemonSetsNotRunning
- expr: kube_daemonset_status_desired_number_scheduled - kube_daemonset_status_number_ready
- > 0
- for: 10m
- labels:
- severity: warning
- annotations:
- description: A number of daemonsets are not ready.
- summary: Daemonsets are not ready
- - alert: K8SDaemonSetsMissScheduled
- expr: kube_daemonset_status_number_misscheduled > 0
- for: 10m
- labels:
- severity: warning
- annotations:
- description: A number of daemonsets are running where they are not supposed
- to run.
- summary: Daemonsets are not scheduled correctly
diff --git a/assets/prometheus/rules/kubernetes.rules.yaml b/assets/prometheus/rules/kubernetes.rules.yaml
index ab5ccf06..f13d0088 100644
--- a/assets/prometheus/rules/kubernetes.rules.yaml
+++ b/assets/prometheus/rules/kubernetes.rules.yaml
@@ -1,115 +1,86 @@
groups:
-- name: ./kubernetes.rules
+- name: kubernetes.rules
rules:
- - record: cluster_namespace_controller_pod_container:spec_memory_limit_bytes
- expr: sum(label_replace(container_spec_memory_limit_bytes{container_name!=""},
- "controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
- controller, pod_name, container_name)
- - record: cluster_namespace_controller_pod_container:spec_cpu_shares
- expr: sum(label_replace(container_spec_cpu_shares{container_name!=""}, "controller",
- "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
- container_name)
- - record: cluster_namespace_controller_pod_container:cpu_usage:rate
- expr: sum(label_replace(irate(container_cpu_usage_seconds_total{container_name!=""}[5m]),
- "controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
- controller, pod_name, container_name)
- - record: cluster_namespace_controller_pod_container:memory_usage:bytes
- expr: sum(label_replace(container_memory_usage_bytes{container_name!=""}, "controller",
- "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
- container_name)
- - record: cluster_namespace_controller_pod_container:memory_working_set:bytes
- expr: sum(label_replace(container_memory_working_set_bytes{container_name!=""},
- "controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
- controller, pod_name, container_name)
- - record: cluster_namespace_controller_pod_container:memory_rss:bytes
- expr: sum(label_replace(container_memory_rss{container_name!=""}, "controller",
- "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
- container_name)
- - record: cluster_namespace_controller_pod_container:memory_cache:bytes
- expr: sum(label_replace(container_memory_cache{container_name!=""}, "controller",
- "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
- container_name)
- - record: cluster_namespace_controller_pod_container:disk_usage:bytes
- expr: sum(label_replace(container_disk_usage_bytes{container_name!=""}, "controller",
- "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace, controller, pod_name,
- container_name)
- - record: cluster_namespace_controller_pod_container:memory_pagefaults:rate
- expr: sum(label_replace(irate(container_memory_failures_total{container_name!=""}[5m]),
- "controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
- controller, pod_name, container_name, scope, type)
- - record: cluster_namespace_controller_pod_container:memory_oom:rate
- expr: sum(label_replace(irate(container_memory_failcnt{container_name!=""}[5m]),
- "controller", "$1", "pod_name", "^(.*)-[a-z0-9]+")) BY (cluster, namespace,
- controller, pod_name, container_name, scope, type)
- - record: cluster:memory_allocation:percent
- expr: 100 * sum(container_spec_memory_limit_bytes{pod_name!=""}) BY (cluster)
- / sum(machine_memory_bytes) BY (cluster)
- - record: cluster:memory_used:percent
- expr: 100 * sum(container_memory_usage_bytes{pod_name!=""}) BY (cluster) / sum(machine_memory_bytes)
- BY (cluster)
- - record: cluster:cpu_allocation:percent
- expr: 100 * sum(container_spec_cpu_shares{pod_name!=""}) BY (cluster) / sum(container_spec_cpu_shares{id="/"}
- * ON(cluster, instance) machine_cpu_cores) BY (cluster)
- - record: cluster:node_cpu_use:percent
- expr: 100 * sum(rate(node_cpu{mode!="idle"}[5m])) BY (cluster) / sum(machine_cpu_cores)
- BY (cluster)
- - record: cluster_resource_verb:apiserver_latency:quantile_seconds
- expr: histogram_quantile(0.99, sum(apiserver_request_latencies_bucket) BY (le,
- cluster, job, resource, verb)) / 1e+06
+ - record: pod_name:container_memory_usage_bytes:sum
+ expr: sum(container_memory_usage_bytes{container_name!="POD",pod_name!=""}) BY
+ (pod_name)
+ - record: pod_name:container_spec_cpu_shares:sum
+ expr: sum(container_spec_cpu_shares{container_name!="POD",pod_name!=""}) BY (pod_name)
+ - record: pod_name:container_cpu_usage:sum
+ expr: sum(rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name!=""}[5m]))
+ BY (pod_name)
+ - record: pod_name:container_fs_usage_bytes:sum
+ expr: sum(container_fs_usage_bytes{container_name!="POD",pod_name!=""}) BY (pod_name)
+ - record: namespace:container_memory_usage_bytes:sum
+ expr: sum(container_memory_usage_bytes{container_name!=""}) BY (namespace)
+ - record: namespace:container_spec_cpu_shares:sum
+ expr: sum(container_spec_cpu_shares{container_name!=""}) BY (namespace)
+ - record: namespace:container_cpu_usage:sum
+ expr: sum(rate(container_cpu_usage_seconds_total{container_name!="POD"}[5m]))
+ BY (namespace)
+ - record: cluster:memory_usage:ratio
+ expr: sum(container_memory_usage_bytes{container_name!="POD",pod_name!=""}) BY
+ (cluster) / sum(machine_memory_bytes) BY (cluster)
+ - record: cluster:container_spec_cpu_shares:ratio
+ expr: sum(container_spec_cpu_shares{container_name!="POD",pod_name!=""}) / 1000
+ / sum(machine_cpu_cores)
+ - record: cluster:container_cpu_usage:ratio
+ expr: rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name!=""}[5m])
+ / sum(machine_cpu_cores)
+ - record: apiserver_latency_seconds:quantile
+ expr: histogram_quantile(0.99, rate(apiserver_request_latencies_bucket[5m])) /
+ 1e+06
labels:
quantile: "0.99"
- - record: cluster_resource_verb:apiserver_latency:quantile_seconds
- expr: histogram_quantile(0.9, sum(apiserver_request_latencies_bucket) BY (le,
- cluster, job, resource, verb)) / 1e+06
+ - record: apiserver_latency:quantile_seconds
+ expr: histogram_quantile(0.9, rate(apiserver_request_latencies_bucket[5m])) /
+ 1e+06
labels:
quantile: "0.9"
- - record: cluster_resource_verb:apiserver_latency:quantile_seconds
- expr: histogram_quantile(0.5, sum(apiserver_request_latencies_bucket) BY (le,
- cluster, job, resource, verb)) / 1e+06
+ - record: apiserver_latency_seconds:quantile
+ expr: histogram_quantile(0.5, rate(apiserver_request_latencies_bucket[5m])) /
+ 1e+06
labels:
quantile: "0.5"
- - record: cluster:scheduler_e2e_scheduling_latency:quantile_seconds
- expr: histogram_quantile(0.99, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
+ - alert: APIServerLatencyHigh
+ expr: apiserver_latency_seconds:quantile{quantile="0.99",subresource!="log",verb!~"^(?:WATCH|WATCHLIST|PROXY|CONNECT)$"}
+ > 1
+ for: 10m
labels:
- quantile: "0.99"
- - record: cluster:scheduler_e2e_scheduling_latency:quantile_seconds
- expr: histogram_quantile(0.9, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
+ severity: warning
+ annotations:
+ description: the API server has a 99th percentile latency of {{ $value }} seconds
+ for {{$labels.verb}} {{$labels.resource}}
+ - alert: APIServerLatencyHigh
+ expr: apiserver_latency_seconds:quantile{quantile="0.99",subresource!="log",verb!~"^(?:WATCH|WATCHLIST|PROXY|CONNECT)$"}
+ > 4
+ for: 10m
labels:
- quantile: "0.9"
- - record: cluster:scheduler_e2e_scheduling_latency:quantile_seconds
- expr: histogram_quantile(0.5, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
+ severity: critical
+ annotations:
+ description: the API server has a 99th percentile latency of {{ $value }} seconds
+ for {{$labels.verb}} {{$labels.resource}}
+ - alert: APIServerErrorsHigh
+ expr: rate(apiserver_request_count{code=~"^(?:5..)$"}[5m]) / rate(apiserver_request_count[5m])
+ * 100 > 2
+ for: 10m
labels:
- quantile: "0.5"
- - record: cluster:scheduler_scheduling_algorithm_latency:quantile_seconds
- expr: histogram_quantile(0.99, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
+ severity: warning
+ annotations:
+ description: API server returns errors for {{ $value }}% of requests
+ - alert: APIServerErrorsHigh
+ expr: rate(apiserver_request_count{code=~"^(?:5..)$"}[5m]) / rate(apiserver_request_count[5m])
+ * 100 > 5
+ for: 10m
labels:
- quantile: "0.99"
- - record: cluster:scheduler_scheduling_algorithm_latency:quantile_seconds
- expr: histogram_quantile(0.9, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
+ severity: critical
+ annotations:
+ description: API server returns errors for {{ $value }}% of requests
+ - alert: K8SApiserverDown
+ expr: absent(up{job="apiserver"} == 1)
+ for: 20m
labels:
- quantile: "0.9"
- - record: cluster:scheduler_scheduling_algorithm_latency:quantile_seconds
- expr: histogram_quantile(0.5, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
- labels:
- quantile: "0.5"
- - record: cluster:scheduler_binding_latency:quantile_seconds
- expr: histogram_quantile(0.99, sum(scheduler_binding_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
- labels:
- quantile: "0.99"
- - record: cluster:scheduler_binding_latency:quantile_seconds
- expr: histogram_quantile(0.9, sum(scheduler_binding_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
- labels:
- quantile: "0.9"
- - record: cluster:scheduler_binding_latency:quantile_seconds
- expr: histogram_quantile(0.5, sum(scheduler_binding_latency_microseconds_bucket)
- BY (le, cluster)) / 1e+06
- labels:
- quantile: "0.5"
+ severity: critical
+ annotations:
+ description: No API servers are reachable or all have disappeared from service
+ discovery
diff --git a/assets/prometheus/rules/node.rules.yaml b/assets/prometheus/rules/node.rules.yaml
index 9c1641ca..0e7e1bbd 100644
--- a/assets/prometheus/rules/node.rules.yaml
+++ b/assets/prometheus/rules/node.rules.yaml
@@ -1,6 +1,23 @@
groups:
-- name: ./node.rules
+- name: node.rules
rules:
+ - record: instance:node_cpu:rate:sum
+ expr: sum(rate(node_cpu{mode!="idle",mode!="iowait",mode!~"^(?:guest.*)$"}[3m]))
+ BY (instance)
+ - record: instance:node_filesystem_usage:sum
+ expr: sum((node_filesystem_size{mountpoint="/"} - node_filesystem_free{mountpoint="/"}))
+ BY (instance)
+ - record: instance:node_network_receive_bytes:rate:sum
+ expr: sum(rate(node_network_receive_bytes[3m])) BY (instance)
+ - record: instance:node_network_transmit_bytes:rate:sum
+ expr: sum(rate(node_network_transmit_bytes[3m])) BY (instance)
+ - record: instance:node_cpu:ratio
+ expr: sum(rate(node_cpu{mode!="idle"}[5m])) WITHOUT (cpu, mode) / ON(instance)
+ GROUP_LEFT() count(sum(node_cpu) BY (instance, cpu)) BY (instance)
+ - record: cluster:node_cpu:sum_rate5m
+ expr: sum(rate(node_cpu{mode!="idle"}[5m]))
+ - record: cluster:node_cpu:ratio
+ expr: cluster:node_cpu:rate5m / count(sum(node_cpu) BY (instance, cpu))
- alert: NodeExporterDown
expr: absent(up{job="node-exporter"} == 1)
for: 10m
@@ -8,30 +25,20 @@ groups:
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
+ or node-exporters have disappeared from discovery
+ - alert: NodeDiskRunningFull
+ expr: predict_linear(node_filesystem_free[6h], 3600 * 24) < 0
+ for: 30m
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: '{{ $labels.node }} is under memory pressure.'
- summary: Node is under memory pressure.
- - alert: K8SNodeDiskPressure
- expr: kube_node_status_condition{condition="DiskPressure",status="true"} == 1
+ description: device {{$labels.device}} on node {{$labels.instance}} is running
+ full within the next 24 hours (mounted at {{$labels.mountpoint}})
+ - alert: NodeDiskRunningFull
+ expr: predict_linear(node_filesystem_free[30m], 3600 * 2) < 0
+ for: 10m
labels:
- service: k8s
- severity: warning
+ severity: critical
annotations:
- description: '{{ $labels.node }} is under disk pressure.'
- summary: Node is under disk pressure.
+ description: device {{$labels.device}} on node {{$labels.instance}} is running
+ full within the next 2 hours (mounted at {{$labels.mountpoint}})
diff --git a/assets/prometheus/rules/prometheus.rules.yaml b/assets/prometheus/rules/prometheus.rules.yaml
index 6ed0cd68..df51d010 100644
--- a/assets/prometheus/rules/prometheus.rules.yaml
+++ b/assets/prometheus/rules/prometheus.rules.yaml
@@ -1,12 +1,44 @@
groups:
-- name: ./prometheus.rules
+- name: prometheus.rules
rules:
- - alert: FailedReload
+ - alert: PrometheusConfigReloadFailed
expr: prometheus_config_last_reload_successful == 0
for: 10m
labels:
severity: warning
annotations:
- description: Reloading Prometheus' configuration has failed for {{ $labels.namespace
- }}/{{ $labels.pod}}.
- summary: Prometheus configuration reload has failed
+ description: Reloading Prometheus' configuration has failed for {{$labels.namespace}}/{{$labels.pod}}
+ - alert: PrometheusNotificationQueueRunningFull
+ expr: predict_linear(prometheus_notifications_queue_length[5m], 60 * 30) > prometheus_notifications_queue_capacity
+ for: 10m
+ labels:
+ severity: warning
+ annotations:
+ description: Prometheus' alert notification queue is running full for {{$labels.namespace}}/{{
+ $labels.pod}}
+ - alert: PrometheusErrorSendingAlerts
+ expr: rate(prometheus_notifications_errors_total[5m]) / rate(prometheus_notifications_sent_total[5m])
+ > 0.01
+ for: 10m
+ labels:
+ severity: warning
+ annotations:
+ description: Errors while sending alerts from Prometheus {{$labels.namespace}}/{{
+ $labels.pod}} to Alertmanager {{$labels.Alertmanager}}
+ - alert: PrometheusErrorSendingAlerts
+ expr: rate(prometheus_notifications_errors_total[5m]) / rate(prometheus_notifications_sent_total[5m])
+ > 0.03
+ for: 10m
+ labels:
+ severity: critical
+ annotations:
+ description: Errors while sending alerts from Prometheus {{$labels.namespace}}/{{
+ $labels.pod}} to Alertmanager {{$labels.Alertmanager}}
+ - alert: PrometheusNotConnectedToAlertmanagers
+ expr: prometheus_notifications_alertmanagers_discovered < 1
+ for: 10m
+ labels:
+ severity: warning
+ annotations:
+ description: Prometheus {{ $labels.namespace }}/{{ $labels.pod}} is not connected
+ to any Alertmanagers
--
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