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deployment-settings.md

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Deployment settings for Metricbeat

You can use the following setting to drive how to deploy Metricbeat:

  • replicas (number / required): The number of instances
  • antiAffinity (object): The pod anti affinity to use. Hard or soft and the key to use to compute it. Default is soft with the key kubernetes.io/hostname
    • type: The anti affinity type. Default to soft
    • topologyKey: The toplogy key to use to compute anti affinity. Default to kubernetes.io/hostname.
  • resources (object): The default resources for Metricbeat pods. Default is empty. Read the official doc to know the properties
  • podDisruptionBudget (object): The pod disruption budget to use. Default it allow to lost one pod. The selector is automatically set. Read the official doc to know the properties
  • podTemplate (object): The pod template to merge with the Metricbeat pod template. Default is empty. Read the official doc to know the properties
  • labels (map of string): The labels to merge on pod. Default to empty.
  • annotations (map of string): The annotations to merge on pod. Default to empty.
  • env (slice of object): The environment variable to inject on Elasticsearch pod. Default to empty. Read the official doc to know the properties
  • envFrom (slice of object): The secret or configMap to inject as environement variable on Elasticsearch pod. Default to empty. Read the official doc to know the properties
  • nodeSelector (map of string): The node slector constraint. Default to empty. Read the official doc to know the properties
  • tolerations (slice of object): The toleration to schedule pod on nodes. Default to empty. Read the official doc to know the properties
  • initContainerResources (object): The default resources for all init containers. Default is empty. Read the official doc to know the properties
  • additionalVolumes (slice of object): Attach additional volume on Metricbeat pods. Default to empty
    • name (string / required): The volume name
    • volumeMount (string / required): The path to mount the volume inside the pod
    • volumeSource (object / required): The pod volume source. Read the official doc to know the properties
  • persistence (object): The persistent volume to use to store Elasticsearch data. Default is emptyDir (not peristent)

metricbeat.yaml:

apiVersion: beat.k8s.webcenter.fr/v1
kind: Metricbeat
metadata:
  name: metricbeat
  namespace: cluster-dev
spec:
  deployment:
    additionalVolumes:
      - mountPath: /usr/share/metricbeat/source-es-ca
        name: ca-source-elasticsearch
        secret:
          items:
            - key: ca.crt
              path: ca.crt
          secretName: elasticsearch-ca
    annotations:
      annotation1: my annotation
    labels:
      label1: my label
    env:
      - name: SOURCE_METRICBEAT_USERNAME
        value: remote_monitoring_user
      - name: SOURCE_METRICBEAT_PASSWORD
        valueFrom:
          secretKeyRef:
            key: remote_monitoring_user
            name: elasticsearch-credential
    envFrom:
      - secretRef:
          name: metricbeat-env
    initContainerResources:
      limits:
        cpu: 500m
        memory: 256Mi
      requests:
        cpu: 25m
        memory: 64Mi
    replicas: 1
    resources:
      limits:
        cpu: 300m
        memory: 200Mi
      requests:
        cpu: 100m
        memory: 100Mi
    nodeSelector:
      project: cluster-dev
    tolerations:
    - effect: NoSchedule
      key: project
      operator: Equal
      value: cluster-dev
    podTemplate:
      spec:
        containers:
          - name: metricbeat
            command:
              - custom command
    podDisruptionBudget:
      maxUnavailable: 1
    antiAffinity:
      topologyKey: topology.kubernetes.io/zone
      type: hard
    persistence:
      volumeClaim:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 10Gi
        storageClassName: openebs-hostpath

metricbeat-env-secret.yaml:

apiVersion: v1
kind: Secret
metadata:
  name: metricbeat-env
  namespace: cluster-dev
type: Opaque
data:
  ENV1: ++++++++

elasticsearch-ca-secret.yaml:

apiVersion: v1
kind: Secret
metadata:
  name: elasticsearch-ca
  namespace: cluster-dev
type: Opaque
data:
  ca.crt: ++++++++

elasticsearch-credential-secret.yaml:

apiVersion: v1
kind: Secret
metadata:
  name: elasticsearch-credential
  namespace: cluster-dev
type: Opaque
data:
  remote_monitoring_user: ++++++++