forked from k-space/kube
Consolidate monitoring stack to Kube master nodes
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@ -5,10 +5,10 @@ and the corresponding AlertManager is accessible at [am.k-space.ee](https://am.k
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Both are [deployed by ArgoCD](https://argocd.k-space.ee/applications/monitoring)
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Both are [deployed by ArgoCD](https://argocd.k-space.ee/applications/monitoring)
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from this Git repo directory using Prometheus operator.
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from this Git repo directory using Prometheus operator.
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Note that Prometheus and other monitoring stack components should use the
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Note that Prometheus and other monitoring stack components should appropriate
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`dedicated: monitoring` Kubernetes node selector to make sure the components
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node selector to make sure the components get scheduled on nodes which are
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get scheduled on `mon[1-3]` nodes which are hosted in a privileged VLAN where
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hosted in a privileged VLAN where they have access to UPS SNMP targets,
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they have access to UPS SNMP targets, Mikrotik router/switch API-s etc.
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Mikrotik router/switch API-s etc.
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To add monitoring targets inside the Kubernetes cluster make use of
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To add monitoring targets inside the Kubernetes cluster make use of
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[PodMonitor](https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/user-guides/getting-started.md#using-podmonitors) or ServiceMonitor custom
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[PodMonitor](https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/user-guides/getting-started.md#using-podmonitors) or ServiceMonitor custom
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@ -48,11 +48,11 @@ spec:
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secrets:
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secrets:
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- slack-secrets
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- slack-secrets
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nodeSelector:
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nodeSelector:
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dedicated: monitoring
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node-role.kubernetes.io/control-plane: ''
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tolerations:
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tolerations:
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- key: dedicated
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- key: node-role.kubernetes.io/control-plane
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operator: Equal
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operator: Equal
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value: monitoring
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value: ''
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effect: NoSchedule
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effect: NoSchedule
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replicas: 3
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replicas: 3
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serviceAccountName: alertmanager
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serviceAccountName: alertmanager
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@ -180,13 +180,12 @@ spec:
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- name: blackbox-exporter-config
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- name: blackbox-exporter-config
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configMap:
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configMap:
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name: blackbox-exporter-config
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name: blackbox-exporter-config
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# TODO: Results in odd 6s connection lag if scheduled in VLAN20
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nodeSelector:
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nodeSelector:
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dedicated: monitoring
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node-role.kubernetes.io/control-plane: ''
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tolerations:
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tolerations:
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- key: dedicated
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- key: node-role.kubernetes.io/control-plane
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operator: Equal
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operator: Equal
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value: monitoring
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value: ''
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effect: NoSchedule
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effect: NoSchedule
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topologySpreadConstraints:
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topologySpreadConstraints:
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- maxSkew: 1
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- maxSkew: 1
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@ -85,12 +85,12 @@ spec:
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matchLabels:
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matchLabels:
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app: mikrotik-exporter
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app: mikrotik-exporter
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nodeSelector:
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nodeSelector:
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dedicated: monitoring
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node-role.kubernetes.io/control-plane: ''
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tolerations:
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tolerations:
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- key: dedicated
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- key: node-role.kubernetes.io/control-plane
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operator: Equal
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operator: Equal
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value: monitoring
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value: ''
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effect: NoSchedule
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effect: NoSchedule
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affinity:
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affinity:
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podAntiAffinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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requiredDuringSchedulingIgnoredDuringExecution:
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@ -39,12 +39,12 @@ spec:
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- NET_ADMIN
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- NET_ADMIN
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- NET_RAW
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- NET_RAW
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nodeSelector:
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nodeSelector:
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dedicated: monitoring
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node-role.kubernetes.io/control-plane: ''
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tolerations:
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tolerations:
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- key: dedicated
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- key: node-role.kubernetes.io/control-plane
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operator: Equal
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operator: Equal
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value: monitoring
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value: ''
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effect: NoSchedule
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effect: NoSchedule
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topologySpreadConstraints:
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topologySpreadConstraints:
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- maxSkew: 1
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- maxSkew: 1
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topologyKey: topology.kubernetes.io/zone
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topologyKey: topology.kubernetes.io/zone
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@ -24,11 +24,11 @@ spec:
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app.kubernetes.io/instance: prometheus
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app.kubernetes.io/instance: prometheus
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app.kubernetes.io/name: prometheus
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app.kubernetes.io/name: prometheus
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nodeSelector:
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nodeSelector:
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dedicated: monitoring
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node-role.kubernetes.io/control-plane: ''
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tolerations:
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tolerations:
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- key: dedicated
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- key: node-role.kubernetes.io/control-plane
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operator: Equal
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operator: Equal
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value: monitoring
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value: ''
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effect: NoSchedule
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effect: NoSchedule
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alerting:
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alerting:
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alertmanagers:
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alertmanagers:
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@ -39,12 +39,12 @@ spec:
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configMap:
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configMap:
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name: snmp-exporter
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name: snmp-exporter
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nodeSelector:
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nodeSelector:
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dedicated: monitoring
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node-role.kubernetes.io/control-plane: ''
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tolerations:
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tolerations:
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- key: dedicated
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- key: node-role.kubernetes.io/control-plane
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operator: Equal
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operator: Equal
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value: monitoring
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value: ''
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effect: NoSchedule
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effect: NoSchedule
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topologySpreadConstraints:
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topologySpreadConstraints:
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- maxSkew: 1
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- maxSkew: 1
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topologyKey: topology.kubernetes.io/zone
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topologyKey: topology.kubernetes.io/zone
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