# Longhorn Helm Values
# Chart: https://github.com/longhorn/longhorn

# Pre-upgrade checker - disable for ArgoCD/GitOps (per Longhorn docs)
preUpgradeChecker:
  jobEnabled: false
  upgradeVersionCheck: false

# Persistence settings
persistence:
  defaultClass: true  # Set Longhorn as default StorageClass
  defaultClassReplicaCount: 2  # Number of replicas for high availability
  reclaimPolicy: Retain  # Keep PV data when PVC is deleted

# Default settings
defaultSettings:
  # Storage
  defaultReplicaCount: 2  # Default number of replicas for volumes
  defaultDataPath: /mnt/longhorn-storage  # Data storage path on nodes (NEW: dedicated 50GB disks)

  # Backup settings
  backupTarget: ""  # S3/NFS backup target (configure later if needed)
  backupTargetCredentialSecret: ""

  # Performance
  guaranteedInstanceManagerCPU: 5  # 5% CPU for instance managers
  createDefaultDiskLabeledNodes: true  # Auto-discover storage on labeled nodes

  # Node scheduling
  replicaSoftAntiAffinity: true  # Prefer to spread replicas across nodes
  replicaAutoBalance: best-effort  # Auto-balance replicas
  storageOverProvisioningPercentage: 200  # Allow 200% overprovisioning
  storageMinimalAvailablePercentage: 10  # Keep 10% storage available

  # Snapshot and backup
  snapshotDataIntegrity: fast-check  # Fast integrity check for snapshots
  snapshotDataIntegrityImmediateCheckAfterSnapshotCreation: false

  # Auto cleanup
  orphanAutoDeletion: true  # Auto delete orphaned resources

# Longhorn Manager (control plane)
longhornManager:
  priorityClass: ~
  tolerations: []
  nodeSelector: {}

# Longhorn Driver (CSI driver)
longhornDriver:
  priorityClass: ~
  tolerations: []
  nodeSelector: {}

# Longhorn UI
longhornUI:
  replicas: 1
  priorityClass: ~
  tolerations: []
  nodeSelector: {}

# CSI components
csi:
  attacherReplicaCount: 1
  provisionerReplicaCount: 1
  resizerReplicaCount: 1
  snapshotterReplicaCount: 1

# Ingress for Longhorn UI
ingress:
  enabled: false  # We'll create a separate Ingress resource

# Service configuration
service:
  ui:
    type: ClusterIP
    nodePort: null

# Monitoring
metrics:
  serviceMonitor:
    enabled: true
    additionalLabels:
      release: prometheus

enablePSP: false  # Pod Security Policy (deprecated in K8s 1.25+)

# Resources - NO CPU LIMITS per user request
resources:
  longhornManager:
    requests:
      cpu: 100m
      memory: 256Mi
    limits:
      # cpu: not set to prevent throttling
      memory: 512Mi

  longhornDriver:
    requests:
      cpu: 50m
      memory: 128Mi
    limits:
      # cpu: not set to prevent throttling
      memory: 256Mi

  longhornUI:
    requests:
      cpu: 50m
      memory: 64Mi
    limits:
      # cpu: not set to prevent throttling
      memory: 128Mi

# Default StorageClass parameters
defaultStorageClass:
  enabled: true
  name: longhorn
  defaultClass: true
  reclaimPolicy: Retain
  allowVolumeExpansion: true
  parameters:
    numberOfReplicas: "2"
    staleReplicaTimeout: "2880"  # 48 hours
    fromBackup: ""
    fsType: "ext4"
    dataLocality: "disabled"  # Allow scheduling on any node