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42 lines
1.7 KiB
Plaintext
42 lines
1.7 KiB
Plaintext
// Module included in the following assemblies:
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// * network_observability/metrics-alerts-dashboards.adoc
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:_mod-docs-content-type: PROCEDURE
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[id="network-observability-netobserv-dashboard-high-traffic-alert_{context}"]
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= Creating alerts
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You can create custom alerting rules for the Netobserv dashboard metrics to trigger alerts when some defined conditions are met.
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.Prerequisites
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* You have access to the cluster as a user with the cluster-admin role or with view permissions for all projects.
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* You have the Network Observability Operator installed.
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.Procedure
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. Create a YAML file by clicking the import icon, *+*.
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. Add an alerting rule configuration to the YAML file. In the YAML sample that follows, an alert is created for when the cluster ingress traffic reaches a given threshold of 10 MBps per destination workload.
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+
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[source,yaml]
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----
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apiVersion: monitoring.openshift.io/v1
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kind: AlertingRule
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metadata:
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name: netobserv-alerts
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namespace: openshift-monitoring
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spec:
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groups:
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- name: NetObservAlerts
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rules:
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- alert: NetObservIncomingBandwidth
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annotations:
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message: |-
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{{ $labels.job }}: incoming traffic exceeding 10 MBps for 30s on {{ $labels.DstK8S_OwnerType }} {{ $labels.DstK8S_OwnerName }} ({{ $labels.DstK8S_Namespace }}).
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summary: "High incoming traffic."
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expr: sum(rate(netobserv_workload_ingress_bytes_total {SrcK8S_Namespace="openshift-ingress"}[1m])) by (job, DstK8S_Namespace, DstK8S_OwnerName, DstK8S_OwnerType) > 10000000 <1>
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for: 30s
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labels:
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severity: warning
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----
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<1> The `netobserv_workload_ingress_bytes_total` metric is enabled by default in `spec.processor.metrics.includeList`.
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. Click *Create* to apply the configuration file to the cluster. |