# Grafana Tempo - Monolithic Mode Configuration
# Following the pattern from Loki SingleBinary deployment

tempo:
  # Retention policy for traces (7 days)
  retention: 168h

  # Storage configuration - Local filesystem backend
  # This is required for monolithic mode
  storage:
    trace:
      backend: local
      local:
        path: /var/tempo/traces
      wal:
        path: /var/tempo/wal

  # Distributor configuration with OTLP receivers
  # Bind to 0.0.0.0 to avoid Tempo 2.7+ localhost-only binding issue
  receivers:
    otlp:
      protocols:
        grpc:
          endpoint: 0.0.0.0:4317
        http:
          endpoint: 0.0.0.0:4318

  # Query frontend configuration
  # Enabled by default in monolithic mode

# Persistence configuration using hostPath PV
# Matches the pattern from Loki deployment
persistence:
  enabled: true
  size: 10Gi
  storageClassName: ""  # Empty string for manual PV binding
  accessModes:
    - ReadWriteOnce

# Service configuration
# Expose OTLP ports and query endpoint
service:
  type: ClusterIP

# Resource limits to prevent runaway resource usage
# Adjusted for monolithic deployment
resources:
  limits:
    cpu: 1000m
    memory: 2Gi
  requests:
    cpu: 500m
    memory: 1Gi

# Security context following best practices
# Using non-root user
securityContext:
  fsGroup: 10001
  runAsUser: 10001
  runAsGroup: 10001
  runAsNonRoot: true

# Disable components not needed in monolithic mode
gateway:
  enabled: false

# Monitoring integration with Prometheus
# Enables ServiceMonitor for automatic scraping
serviceMonitor:
  enabled: true
  labels:
    release: prometheus

# Test pod disabled to reduce overhead
test:
  enabled: false