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47 lines
1.5 KiB
Markdown
47 lines
1.5 KiB
Markdown
# VMNodeScrape
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The `VMNodeScrape` CRD provides discovery mechanism for scraping metrics kubernetes nodes,
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it is useful for node exporters monitoring.
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`VMNodeScrape` object generates part of [VMAgent](./vmagent.md) configuration.
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It has various options for scraping configuration of target (with basic auth,tls access, by specific port name etc.).
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By specifying configuration at CRD, operator generates config
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for [VMAgent](./vmagent.md) and syncs it. It's useful for cadvisor scraping,
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node-exporter or other node-based exporters. `VMAgent` `nodeScrapeSelector` must match `VMNodeScrape` labels.
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More information about selectors you can find in [this doc](./vmagent.md#scraping).
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## Specification
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You can see the full actual specification of the `VMNodeScrape` resource in
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the **[API docs -> VMNodeScrape](../api.md#vmnodescrape)**.
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Also, you can check out the [examples](#examples) section.
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## Examples
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### Cadvisor scraping
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```yaml
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apiVersion: operator.victoriametrics.com/v1beta1
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kind: VMNodeScrape
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metadata:
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name: cadvisor-metrics
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spec:
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scheme: "https"
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tlsConfig:
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insecureSkipVerify: true
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caFile: "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"
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bearerTokenFile: "/var/run/secrets/kubernetes.io/serviceaccount/token"
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relabelConfigs:
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- action: labelmap
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regex: __meta_kubernetes_node_label_(.+)
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- targetLabel: __address__
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replacement: kubernetes.default.svc:443
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- sourceLabels: [__meta_kubernetes_node_name]
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regex: (.+)
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targetLabel: __metrics_path__
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replacement: /api/v1/nodes/$1/proxy/metrics/cadvisor
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```
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