127 lines
5.1 KiB
YAML
127 lines
5.1 KiB
YAML
apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: longhorn-dashboard
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namespace: longhorn-system
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annotations:
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kubernetes.io/ingress.class: traefik
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cert-manager.io/cluster-issuer: default
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external-dns.alpha.kubernetes.io/target: traefik.k-space.ee
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traefik.ingress.kubernetes.io/router.entrypoints: websecure
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traefik.ingress.kubernetes.io/router.middlewares: traefik-sso@kubernetescrd
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traefik.ingress.kubernetes.io/router.tls: "true"
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spec:
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rules:
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- host: longhorn.k-space.ee
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http:
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paths:
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- pathType: Prefix
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path: "/"
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backend:
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service:
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name: longhorn-frontend
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port:
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number: 80
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tls:
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- hosts:
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- longhorn.k-space.ee
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secretName: longhorn-tls
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PodMonitor
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metadata:
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name: manager
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spec:
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selector: {}
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podMetricsEndpoints:
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- port: manager
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---
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: longhorn
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spec:
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# Copied from https://longhorn.io/docs/1.2.4/monitoring/alert-rules-example/
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groups:
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- name: longhorn
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rules:
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- alert: LonghornVolumeActualSpaceUsedWarning
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annotations:
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description: The accumulated snapshots for volume use up more space than the volume's capacity
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summary: The actual used space of Longhorn volume is twice the size of the volume capacity.
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expr: longhorn_volume_actual_size_bytes > longhorn_volume_capacity_bytes * 2
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for: 5m
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labels:
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issue: The actual used space of Longhorn volume {{$labels.volume}} on {{$labels.node}} is high.
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severity: warning
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- alert: LonghornVolumeStatusCritical
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annotations:
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description: Longhorn volume {{$labels.volume}} on {{$labels.node}} is Fault for
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more than 2 minutes.
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summary: Longhorn volume {{$labels.volume}} is Fault
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expr: longhorn_volume_robustness == 3
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for: 5m
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labels:
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issue: Longhorn volume {{$labels.volume}} is Fault.
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severity: critical
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- alert: LonghornVolumeStatusWarning
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annotations:
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description: Longhorn volume {{$labels.volume}} on {{$labels.node}} is Degraded for
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more than 5 minutes.
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summary: Longhorn volume {{$labels.volume}} is Degraded
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expr: longhorn_volume_robustness == 2
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for: 5m
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labels:
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issue: Longhorn volume {{$labels.volume}} is Degraded.
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severity: warning
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- alert: LonghornNodeStorageWarning
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annotations:
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description: The used storage of node {{$labels.node}} is at {{$value}}% capacity for
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more than 5 minutes.
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summary: The used storage of node is over 70% of the capacity.
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expr: (longhorn_node_storage_usage_bytes / longhorn_node_storage_capacity_bytes) * 100 > 70
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for: 5m
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labels:
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issue: The used storage of node {{$labels.node}} is high.
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severity: warning
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- alert: LonghornDiskStorageWarning
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annotations:
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description: The used storage of disk {{$labels.disk}} on node {{$labels.node}} is at {{$value}}% capacity for
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more than 5 minutes.
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summary: The used storage of disk is over 70% of the capacity.
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expr: (longhorn_disk_usage_bytes / longhorn_disk_capacity_bytes) * 100 > 70
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for: 5m
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labels:
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issue: The used storage of disk {{$labels.disk}} on node {{$labels.node}} is high.
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severity: warning
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- alert: LonghornNodeDown
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annotations:
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description: There are {{$value}} Longhorn nodes which have been offline for more than 5 minutes.
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summary: Longhorn nodes is offline
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expr: (avg(longhorn_node_count_total) or on() vector(0)) - (count(longhorn_node_status{condition="ready"} == 1) or on() vector(0)) > 0
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for: 5m
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labels:
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issue: There are {{$value}} Longhorn nodes are offline
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severity: critical
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- alert: LonghornIntanceManagerCPUUsageWarning
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annotations:
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description: Longhorn instance manager {{$labels.instance_manager}} on {{$labels.node}} has CPU Usage / CPU request is {{$value}}% for
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more than 5 minutes.
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summary: Longhorn instance manager {{$labels.instance_manager}} on {{$labels.node}} has CPU Usage / CPU request is over 300%.
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expr: (longhorn_instance_manager_cpu_usage_millicpu/longhorn_instance_manager_cpu_requests_millicpu) * 100 > 300
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for: 5m
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labels:
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issue: Longhorn instance manager {{$labels.instance_manager}} on {{$labels.node}} consumes 3 times the CPU request.
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severity: warning
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- alert: LonghornNodeCPUUsageWarning
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annotations:
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description: Longhorn node {{$labels.node}} has CPU Usage / CPU capacity is {{$value}}% for
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more than 5 minutes.
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summary: Longhorn node {{$labels.node}} experiences high CPU pressure for more than 5m.
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expr: (longhorn_node_cpu_usage_millicpu / longhorn_node_cpu_capacity_millicpu) * 100 > 90
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for: 5m
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labels:
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issue: Longhorn node {{$labels.node}} experiences high CPU pressure.
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severity: warning
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