# Karpenter Helm Values
# RFC 0039: ADR-Compliant Foundation Infrastructure
# ADR 0004: "Set It and Forget It" Auto-Scaling Architecture
#
# Install with:
# helm upgrade --install karpenter oci://public.ecr.aws/karpenter/karpenter \
#   --namespace karpenter --create-namespace \
#   -f helm-values.yaml

# Service account configuration (IRSA)
serviceAccount:
  annotations:
    eks.amazonaws.com/role-arn: "${KARPENTER_ROLE_ARN}"

# Controller settings
controller:
  resources:
    requests:
      cpu: 100m
      memory: 256Mi
    limits:
      cpu: 1
      memory: 1Gi

# Settings for Karpenter behavior
settings:
  # Cluster name for discovery
  clusterName: "${CLUSTER_NAME}"

  # Cluster endpoint
  clusterEndpoint: "${CLUSTER_ENDPOINT}"

  # SQS queue for interruption handling
  interruptionQueue: "${INTERRUPTION_QUEUE_NAME}"

  # Feature gates
  featureGates:
    drift: true

# Replicas for HA
replicas: 2

# Pod disruption budget
podDisruptionBudget:
  maxUnavailable: 1

# Affinity to run on Fargate
affinity:
  nodeAffinity:
    requiredDuringSchedulingIgnoredDuringExecution:
      nodeSelectorTerms:
        - matchExpressions:
            - key: eks.amazonaws.com/compute-type
              operator: In
              values:
                - fargate

# Tolerations for Fargate
tolerations:
  - key: eks.amazonaws.com/compute-type
    operator: Equal
    value: fargate
    effect: NoSchedule

# Logging configuration
logLevel: info

# Metrics
metrics:
  port: 8000

# Health probes
livenessProbe:
  port: 8081
readinessProbe:
  port: 8081