constants

const (
	// KVEventsEnabledLabel indicates if KV events are enabled for this pod
	// This label was introduced specifically for KV Event Sync feature
	// Example: "model.aibrix.ai/kv-events-enabled": "true"
	KVEventsEnabledLabel = "model.aibrix.ai/kv-events-enabled"

	// LoraIDLabel specifies the LoRA adapter ID for KV sync
	// This label is used by KV Event Sync to track LoRA-specific caches
	// Example: "model.aibrix.ai/lora-id": "123"
	LoraIDLabel = "model.aibrix.ai/lora-id"
)

const (
	// EnvKVEventSyncEnabled enables KV event synchronization
	// When true, enables ZMQ-based cache event synchronization
	EnvKVEventSyncEnabled = "AIBRIX_KV_EVENT_SYNC_ENABLED"

	// EnvKVEventPublishAddr specifies ZMQ publish address
	// Format: "tcp://*:5555" or similar ZMQ address
	EnvKVEventPublishAddr = "AIBRIX_KV_EVENT_PUBLISH_ADDR"

	// EnvKVEventSubscribeAddrs specifies ZMQ subscribe addresses
	// Comma-separated list of ZMQ addresses to subscribe to
	EnvKVEventSubscribeAddrs = "AIBRIX_KV_EVENT_SUBSCRIBE_ADDRS"

	// EnvPrefixCacheMetricsEnabled enables prefix cache metrics
	// Added as part of KV Event Sync to control metrics registration
	EnvPrefixCacheMetricsEnabled = "AIBRIX_PREFIX_CACHE_METRICS_ENABLED"
)

const (
	KVCacheLabelKeyIdentifier    = "kvcache.orchestration.aibrix.ai/name"
	KVCacheLabelKeyRole          = "kvcache.orchestration.aibrix.ai/role"
	KVCacheLabelKeyMetadataIndex = "kvcache.orchestration.aibrix.ai/etcd-index"
	KVCacheLabelKeyBackend       = "kvcache.orchestration.aibrix.ai/backend"

	KVCacheAnnotationNodeAffinityKey     = "kvcache.orchestration.aibrix.ai/node-affinity-key"
	KVCacheAnnotationNodeAffinityGPUType = "kvcache.orchestration.aibrix.ai/node-affinity-gpu-type"
	KVCacheAnnotationPodAffinityKey      = "kvcache.orchestration.aibrix.ai/pod-affinity-workload"
	KVCacheAnnotationPodAntiAffinity     = "kvcache.orchestration.aibrix.ai/pod-anti-affinity"

	KVCacheAnnotationNodeAffinityDefaultKey = "machine.cluster.vke.volcengine.com/gpu-name"

	// This config will be deprecated in future, users should specify kvcache backend directly.
	KVCacheAnnotationMode = "kvcache.orchestration.aibrix.ai/mode"

	KVCacheLabelValueRoleCache     = "cache"
	KVCacheLabelValueRoleMetadata  = "metadata"
	KVCacheLabelValueRoleKVWatcher = "kvwatcher"

	KVCacheBackendVineyard    = "vineyard"
	KVCacheBackendHPKV        = "hpkv"
	KVCacheBackendInfinistore = "infinistore"
	KVCacheBackendDefault     = KVCacheBackendVineyard
)

const (
	// ModelLabelName is the label for identifying the model name
	// Example: "model.aibrix.ai/name": "deepseek-llm-7b-chat"
	ModelLabelName = "model.aibrix.ai/name"

	// ModelLabelEngine is the label for identifying the inference engine
	// Example: "model.aibrix.ai/engine": "vllm"
	ModelLabelEngine = "model.aibrix.ai/engine"

	// ModelLabelMetricPort is the label for specifying the metrics port
	// Example: "model.aibrix.ai/metric-port": "8000"
	ModelLabelMetricPort = "model.aibrix.ai/metric-port"

	// ModelLabelPort is the label for specifying the service port
	// Example: "model.aibrix.ai/port": "8080"
	ModelLabelPort = "model.aibrix.ai/port"
)