# Prometheus Node Exporter Helm Values for Bakery IA
# Chart: prometheus-community/prometheus-node-exporter
# Documentation: https://github.com/prometheus-community/helm-charts/tree/main/charts/prometheus-node-exporter
#
# Install Command:
#   helm install node-exporter prometheus-community/prometheus-node-exporter \
#     -n bakery-ia -f node-exporter-values.yaml

# Image configuration
image:
  registry: quay.io
  repository: prometheus/node-exporter
  tag: ""  # Uses chart default (latest stable)
  pullPolicy: IfNotPresent

# Resource limits optimized for MicroK8s VPS
resources:
  requests:
    cpu: 10m
    memory: 32Mi
  limits:
    cpu: 200m
    memory: 64Mi

# Service configuration
service:
  type: ClusterIP
  port: 9100
  targetPort: 9100
  annotations:
    prometheus.io/scrape: "true"

# DaemonSet update strategy
updateStrategy:
  type: RollingUpdate
  rollingUpdate:
    maxUnavailable: 1

# Host network - required for accurate network metrics
hostNetwork: true
hostPID: true
hostRootFsMount:
  enabled: true
  mountPropagation: HostToContainer

# Node selector
nodeSelector: {}

# Tolerations - allow scheduling on all nodes including control plane
tolerations:
  - effect: NoSchedule
    operator: Exists

# Affinity rules
affinity: {}

# Pod security context
podSecurityContext:
  fsGroup: 65534
  runAsGroup: 65534
  runAsNonRoot: true
  runAsUser: 65534

# Container security context
securityContext:
  readOnlyRootFilesystem: true

# RBAC configuration
rbac:
  create: true
  pspEnabled: false

# Service account
serviceAccount:
  create: true
  name: ""
  annotations: {}

# Prometheus scrape annotations
prometheus:
  monitor:
    enabled: false  # We use SigNoz OTel collector scraping instead

# Extra arguments for node-exporter
extraArgs:
  - --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($|/)
  - --collector.filesystem.fs-types-exclude=^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$

# Collectors to enable (default set)
# Disable collectors that are not useful or cause issues
extraHostVolumeMounts: []

# Sidecar containers
sidecars: []

# Init containers
initContainers: []