config

type Broker struct {
	Coordinator RepoState  `envPrefix:"LINDB_COORDINATOR_" toml:"coordinator"`
	Query       Query      `envPrefix:"LINDB_QUERY_" toml:"query"`
	BrokerBase  BrokerBase `envPrefix:"LINDB_BROKER_" toml:"broker"`
	Monitor     Monitor    `envPrefix:"LINDB_MONITOR_" toml:"monitor"`
	Logging     Logging    `envPrefix:"LINDB_LOGGING_" toml:"logging"`
}

type BrokerBase struct {
	SlowSQL   ltoml.Duration `env:"SLOW_SQL" toml:"slow-sql"`
	HTTP      HTTP           `envPrefix:"HTTP_" toml:"http"`
	Ingestion Ingestion      `envPrefix:"INGESTION_" toml:"ingestion"`
	Write     Write          `envPrefix:"WRITE_" toml:"write"`
	GRPC      GRPC           `envPrefix:"GRPC_" toml:"grpc"`
}

type BrokerCluster struct {
	Config *RepoState `json:"config"`
}

type Configuration interface {
	// TOML returns configuration string as toml format.
	TOML() string
}

type ETCD struct {
	Dir string `env:"DIR" toml:"dir"`
	URL string `env:"URL" toml:"url"`
}

type GRPC struct {
	Port                 uint16         `env:"PORT" toml:"port"`
	MaxConcurrentStreams int            `env:"MAX_CONCURRENT_STREAMS" toml:"max-concurrent-streams"`
	ConnectTimeout       ltoml.Duration `env:"CONNECT_TIMEOUT" toml:"connect-timeout"`
}

type HTTP struct {
	Port         uint16         `env:"PORT" toml:"port"`
	IdleTimeout  ltoml.Duration `env:"IDLE_TIMEOUT" toml:"idle-timeout"`
	WriteTimeout ltoml.Duration `env:"WRITE_TIMEOUT" toml:"write-timeout"`
	ReadTimeout  ltoml.Duration `env:"READ_TIMEOUT" toml:"read-timeout"`
}

type Ingestion struct {
	MaxConcurrency int            `env:"CONCURRENCY" toml:"max-concurrency"`
	IngestTimeout  ltoml.Duration `env:"TIMEOUT" toml:"ingest-timeout"`
}

type Logging struct {
	Dir        string     `env:"DIR" toml:"dir"`
	Level      string     `env:"LEVEL" toml:"level"`
	MaxSize    ltoml.Size `env:"MAX_SIZE" toml:"maxsize"`
	MaxBackups uint16     `env:"MAX_BACKUPS" toml:"maxbackups"`
	MaxAge     uint16     `env:"MAX_AGE" toml:"maxage"`
}

type Monitor struct {
	PushTimeout    ltoml.Duration `env:"PUSH_TIMEOUT" toml:"push-timeout"`
	ReportInterval ltoml.Duration `env:"REPORT_INTERVAL" toml:"report-interval"`
	URL            string         `env:"URL" toml:"url"`
}

type Query struct {
	QueryConcurrency int            `env:"CONCURRENCY" toml:"query-concurrency"`
	IdleTimeout      ltoml.Duration `env:"IDLE_TIMEOUT" toml:"idle-timeout"`
	Timeout          ltoml.Duration `env:"TIMEOUT" toml:"timeout"`
}

type RepoState struct {
	Namespace   string         `env:"NAMESPACE" toml:"namespace" json:"namespace" validate:"required"`
	Endpoints   []string       `env:"ENDPOINTS" envSeparator:"," toml:"endpoints" json:"endpoints" validate:"required,gt=0"`
	LeaseTTL    ltoml.Duration `env:"LEASE_TTL" toml:"lease-ttl" json:"leaseTTL"`
	Timeout     ltoml.Duration `env:"TIMEOUT" toml:"timeout" json:"timeout"`
	DialTimeout ltoml.Duration `env:"DIAL_TIMEOUT" toml:"dial-timeout" json:"dialTimeout"`
	Username    string         `env:"USERNAME" toml:"username" json:"username"`
	Password    string         `env:"PASSWORD" toml:"password" json:"password"`
}

type Root struct {
	Coordinator RepoState `envPrefix:"LINDB_COORDINATOR_" toml:"coordinator"`
	Query       Query     `envPrefix:"LINDB_QUERY_" toml:"query"`
	HTTP        HTTP      `envPrefix:"LINDB_ROOT_HTTP_" toml:"http"`
	Monitor     Monitor   `envPrefix:"LINDB_MONITOR_" toml:"monitor"`
	Logging     Logging   `envPrefix:"LINDB_LOGGING_" toml:"logging"`
}

type Standalone struct {
	ETCD        ETCD        `envPrefix:"LINDB_ETCD_" toml:"etcd"`
	Coordinator RepoState   `envPrefix:"LINDB_COORDINATOR_" toml:"coordinator"`
	Query       Query       `envPrefix:"LINDB_QUERY_" toml:"query"`
	BrokerBase  BrokerBase  `envPrefix:"LINDB_BROKER_" toml:"broker"`
	StorageBase StorageBase `envPrefix:"LINDB_STORAGE_" toml:"storage"`
	Logging     Logging     `envPrefix:"LINDB_LOGGING_" toml:"logging"`
	Monitor     Monitor     `envPrefix:"LINDB_MONITOR_" toml:"monitor"`
}

type Storage struct {
	Coordinator RepoState   `envPrefix:"LINDB_COORDINATOR_" toml:"coordinator"`
	Query       Query       `envPrefix:"LINDB_QUERY_" toml:"query"`
	StorageBase StorageBase `envPrefix:"LINDB_STORAGE_" toml:"storage"`
	Monitor     Monitor     `envPrefix:"LINDB_MONITOR_" toml:"monitor"`
	Logging     Logging     `envPrefix:"LINDB_LOGGING_" toml:"logging"`
}

type StorageBase struct {
	// Broker http endpoint, auto register current storage cluster.
	BrokerEndpoint  string         `env:"BROKER_ENDPOINT" toml:"broker-endpoint"`
	TTLTaskInterval ltoml.Duration `env:"TTL_TASK_INTERVAL" toml:"ttl-task-interval"`
	HTTP            HTTP           `envPrefix:"HTTP_" toml:"http"`
	GRPC            GRPC           `envPrefix:"GRPC_" toml:"grpc"`
	TSDB            TSDB           `envPrefix:"TSDB_" toml:"tsdb"`
	WAL             WAL            `envPrefix:"WAL_" toml:"wal"`
}

type StorageCluster struct {
	Config *RepoState `json:"config"`
}

type TSDB struct {
	Dir                      string         `env:"DIR" toml:"dir"`
	MaxMemDBSize             ltoml.Size     `env:"MAX_MEMDB_SIZE" toml:"max-memdb-size"`
	MutableMemDBTTL          ltoml.Duration `env:"MUTABLE_MEMDB_TTL" toml:"mutable-memdb-ttl"`
	MaxMemUsageBeforeFlush   float64        `env:"MAX_MEM_USAGE_BEFORE_FLUSH" toml:"max-mem-usage-before-flush"`
	TargetMemUsageAfterFlush float64        `env:"TARGET_MEM_USAGE_AFTER_FLUSH" toml:"target-mem-usage-after-flush"`
	FlushConcurrency         int            `env:"FLUSH_CONCURRENCY" toml:"flush-concurrency"`
	SeriesSequenceCache      uint32         `env:"SERIES_SEQ_CACHE" toml:"series-sequence-cache"`
	MetaSequenceCache        uint32         `env:"META_SEQ_CACHE" toml:"meta-sequence-cache"`
}

type User struct {
	UserName string `toml:"username" json:"username" binding:"required"`
	Password string `toml:"password" json:"password" binding:"required"`
}

type WAL struct {
	Dir                string         `env:"DIR" toml:"dir"`
	DataSizeLimit      ltoml.Size     `env:"DATA_SIZE_LIMIT" toml:"data-size-limit"`
	RemoveTaskInterval ltoml.Duration `env:"REMOVE_TASK_INTERVAL" toml:"remove-task-interval"`
}

type Write struct {
	BatchTimeout   ltoml.Duration `env:"BATCH_TIMEOUT" toml:"batch-timeout"`
	BatchBlockSize ltoml.Size     `env:"BLOCK_SIZE" toml:"batch-block-size"`
	GCTaskInterval ltoml.Duration `env:"GC_INTERVAL" toml:"gc-task-interval"`
}