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Enable Multi Cluster alerts by default (#2099)

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This commit is contained in:
Jan-Otto Kröpke
2023-05-22 17:26:44 +02:00
committed by GitHub
parent 5ac666d809
commit 09135ee9b3
8 changed files with 1418 additions and 35 deletions
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1409
manifests/grafana-dashboardDefinitions.yaml
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6
manifests/grafana-deployment.yaml
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@@ -83,6 +83,9 @@ spec:
- mountPath: /grafana-dashboard-definitions/0/k8s-resources-cluster
name: grafana-dashboard-k8s-resources-cluster
readOnly: false
- mountPath: /grafana-dashboard-definitions/0/k8s-resources-multicluster
name: grafana-dashboard-k8s-resources-multicluster
readOnly: false
- mountPath: /grafana-dashboard-definitions/0/k8s-resources-namespace
name: grafana-dashboard-k8s-resources-namespace
readOnly: false
@@ -180,6 +183,9 @@ spec:
- configMap:
name: grafana-dashboard-k8s-resources-cluster
name: grafana-dashboard-k8s-resources-cluster
- configMap:
name: grafana-dashboard-k8s-resources-multicluster
name: grafana-dashboard-k8s-resources-multicluster
- configMap:
name: grafana-dashboard-k8s-resources-namespace
name: grafana-dashboard-k8s-resources-namespace

2
manifests/kubePrometheus-prometheusRule.yaml
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@@ -18,7 +18,7 @@ spec:
description: '{{ printf "%.4g" $value }}% of the {{ $labels.job }}/{{ $labels.service }} targets in {{ $labels.namespace }} namespace are down.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/targetdown
summary: One or more targets are unreachable.
expr: 100 * (count(up == 0) BY (job, namespace, service) / count(up) BY (job, namespace, service)) > 10
expr: 100 * (count(up == 0) BY (cluster, job, namespace, service) / count(up) BY (cluster, job, namespace, service)) > 10
for: 10m
labels:
severity: warning

24
manifests/kubernetesControlPlane-prometheusRule.yaml
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@@ -247,50 +247,50 @@ spec:
rules:
- alert: KubeCPUOvercommit
annotations:
description: Cluster has overcommitted CPU resource requests for Pods by {{ $value }} CPU shares and cannot tolerate node failure.
description: Cluster {{ $labels.cluster }} has overcommitted CPU resource requests for Pods by {{ $value }} CPU shares and cannot tolerate node failure.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubecpuovercommit
summary: Cluster has overcommitted CPU resource requests.
expr: |
sum(namespace_cpu:kube_pod_container_resource_requests:sum{}) - (sum(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"}) - max(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"})) > 0
sum(namespace_cpu:kube_pod_container_resource_requests:sum{job="kube-state-metrics",}) by (cluster) - (sum(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster) - max(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster)) > 0
and
(sum(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"}) - max(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"})) > 0
(sum(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster) - max(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster)) > 0
for: 10m
labels:
severity: warning
- alert: KubeMemoryOvercommit
annotations:
description: Cluster has overcommitted memory resource requests for Pods by {{ $value | humanize }} bytes and cannot tolerate node failure.
description: Cluster {{ $labels.cluster }} has overcommitted memory resource requests for Pods by {{ $value | humanize }} bytes and cannot tolerate node failure.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubememoryovercommit
summary: Cluster has overcommitted memory resource requests.
expr: |
sum(namespace_memory:kube_pod_container_resource_requests:sum{}) - (sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) - max(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"})) > 0
sum(namespace_memory:kube_pod_container_resource_requests:sum{}) by (cluster) - (sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster) - max(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster)) > 0
and
(sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) - max(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"})) > 0
(sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster) - max(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster)) > 0
for: 10m
labels:
severity: warning
- alert: KubeCPUQuotaOvercommit
annotations:
description: Cluster has overcommitted CPU resource requests for Namespaces.
description: Cluster {{ $labels.cluster }} has overcommitted CPU resource requests for Namespaces.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubecpuquotaovercommit
summary: Cluster has overcommitted CPU resource requests.
expr: |
sum(min without(resource) (kube_resourcequota{job="kube-state-metrics", type="hard", resource=~"(cpu|requests.cpu)"}))
sum(min without(resource) (kube_resourcequota{job="kube-state-metrics", type="hard", resource=~"(cpu|requests.cpu)"})) by (cluster)
/
sum(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"})
sum(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"}) by (cluster)
> 1.5
for: 5m
labels:
severity: warning
- alert: KubeMemoryQuotaOvercommit
annotations:
description: Cluster has overcommitted memory resource requests for Namespaces.
description: Cluster {{ $labels.cluster }} has overcommitted memory resource requests for Namespaces.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubememoryquotaovercommit
summary: Cluster has overcommitted memory resource requests.
expr: |
sum(min without(resource) (kube_resourcequota{job="kube-state-metrics", type="hard", resource=~"(memory|requests.memory)"}))
sum(min without(resource) (kube_resourcequota{job="kube-state-metrics", type="hard", resource=~"(memory|requests.memory)"})) by (cluster)
/
sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"})
sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster)
> 1.5
for: 5m
labels:

8
manifests/prometheusOperator-prometheusRule.yaml
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@@ -20,7 +20,7 @@ spec:
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorlisterrors
summary: Errors while performing list operations in controller.
expr: |
(sum by (controller,namespace) (rate(prometheus_operator_list_operations_failed_total{job="prometheus-operator",namespace="monitoring"}[10m])) / sum by (controller,namespace) (rate(prometheus_operator_list_operations_total{job="prometheus-operator",namespace="monitoring"}[10m]))) > 0.4
(sum by (cluster,controller,namespace) (rate(prometheus_operator_list_operations_failed_total{job="prometheus-operator",namespace="monitoring"}[10m])) / sum by (cluster,controller,namespace) (rate(prometheus_operator_list_operations_total{job="prometheus-operator",namespace="monitoring"}[10m]))) > 0.4
for: 15m
labels:
severity: warning
@@ -30,7 +30,7 @@ spec:
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorwatcherrors
summary: Errors while performing watch operations in controller.
expr: |
(sum by (controller,namespace) (rate(prometheus_operator_watch_operations_failed_total{job="prometheus-operator",namespace="monitoring"}[5m])) / sum by (controller,namespace) (rate(prometheus_operator_watch_operations_total{job="prometheus-operator",namespace="monitoring"}[5m]))) > 0.4
(sum by (cluster,controller,namespace) (rate(prometheus_operator_watch_operations_failed_total{job="prometheus-operator",namespace="monitoring"}[5m])) / sum by (cluster,controller,namespace) (rate(prometheus_operator_watch_operations_total{job="prometheus-operator",namespace="monitoring"}[5m]))) > 0.4
for: 15m
labels:
severity: warning
@@ -50,7 +50,7 @@ spec:
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatorreconcileerrors
summary: Errors while reconciling controller.
expr: |
(sum by (controller,namespace) (rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator",namespace="monitoring"}[5m]))) / (sum by (controller,namespace) (rate(prometheus_operator_reconcile_operations_total{job="prometheus-operator",namespace="monitoring"}[5m]))) > 0.1
(sum by (cluster,controller,namespace) (rate(prometheus_operator_reconcile_errors_total{job="prometheus-operator",namespace="monitoring"}[5m]))) / (sum by (cluster,controller,namespace) (rate(prometheus_operator_reconcile_operations_total{job="prometheus-operator",namespace="monitoring"}[5m]))) > 0.1
for: 10m
labels:
severity: warning
@@ -70,7 +70,7 @@ spec:
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/prometheusoperatornotready
summary: Prometheus operator not ready
expr: |
min by (controller,namespace) (max_over_time(prometheus_operator_ready{job="prometheus-operator",namespace="monitoring"}[5m]) == 0)
min by (cluster,controller,namespace) (max_over_time(prometheus_operator_ready{job="prometheus-operator",namespace="monitoring"}[5m]) == 0)
for: 5m
labels:
severity: warning