k8s ovh metrics

metrics.yml

# This will configure Beamium to scrap noderig
# And push metrics to warp 10
# We also add the HOSTNAME to the labels of the metrics pushed
apiVersion: v1
kind: ConfigMap
metadata:
  name: beamium-config
  namespace: metrics
data:
  config.yaml: |
    scrapers:
      nodering:
        url: http://0.0.0.0:9100/metrics
        period: 30000
        format: sensision
        labels:
          app: nodering

    sinks:
      warp:
        url: https://warp10.gra1.metrics.ovh.net/api/v0/update
        token: $METRICS_TOKEN

    labels:
      host: $HOSTNAME
---
# This is a custom collector that report the uptime of the node
apiVersion: v1
kind: ConfigMap
metadata:
  name: noderig-collector
  namespace: metrics
data:
  uptime.sh: |
    #!/bin/sh
    echo 'os.uptime' `date +%s%N | cut -b1-10` `awk '{print $1}' /proc/uptime`
---
kind: DaemonSet
apiVersion: apps/v1
metadata:
  name: metrics-daemon
  namespace: metrics
spec:
  selector:
    matchLabels:
      name: metrics-daemon
  template:
    metadata:
      labels:
        name: metrics-daemon
    spec:
      terminationGracePeriodSeconds: 10
      volumes:
      - name: config
        configMap:
          name: beamium-config
      - name: noderig-collector
        configMap:
          name: noderig-collector
      containers:
      - image: ovhcom/beamium:latest
        imagePullPolicy: Always
        name: beamium
        env:
        - name: HOSTNAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        - name: TEMPLATE_CONFIG
          value: /config/config.yaml
        envFrom:
        - secretRef:
            name: w10-credentials
            optional: false
        resources:
          limits:
            cpu: "0.05"
            memory: 128Mi
          requests:
            cpu: "0.01"
            memory: 128Mi
        volumeMounts:
        - mountPath: /config
          name: config
      - image: ovhcom/noderig:latest
        imagePullPolicy: Always
        name: noderig
        args: ["-c", "/collectors", "--net", "3"]
        lifecycle:
          postStart:
            exec:
              # As config maps are read only, we need to copy the collector path and make the script executable
              # The 60 says to noderig to run the script every minutes
              command: ["bash", "-c", "mkdir -p /collectors/60 && cp -r /_collectors/uptime.sh /collectors/60/uptime.sh && chmod +x /collectors/60/uptime.sh"]
        volumeMounts:
        - mountPath: /_collectors/uptime.sh
          name: noderig-collector
          subPath: uptime.sh
        resources:
          limits:
            cpu: "0.05"
            memory: 128Mi
          requests:
            cpu: "0.01"
            memory: 128Mi