config

type API struct {
	Addr          string `yaml:"addr,omitempty" toml:"addr,omitempty" json:"addr,omitempty" reloadable:"false"`
	ProxyProtocol string `yaml:"proxy-protocol,omitempty" toml:"proxy-protocol,omitempty" json:"proxy-protocol,omitempty" reloadable:"false"`
}

type BackendNamespace struct {
	Instances []string  `yaml:"instances" json:"instances" toml:"instances"`
	Security  TLSConfig `yaml:"security" json:"security" toml:"security"`
}

type Balance struct {
	LabelName     string          `yaml:"label-name,omitempty" toml:"label-name,omitempty" json:"label-name,omitempty" reloadable:"true"`
	RoutingRule   string          `yaml:"routing-rule,omitempty" toml:"routing-rule,omitempty" json:"routing-rule,omitempty" reloadable:"false"`
	Policy        string          `yaml:"policy,omitempty" toml:"policy,omitempty" json:"policy,omitempty" reloadable:"true"`
	RoutingPolicy string          `yaml:"routing-policy,omitempty" toml:"routing-policy,omitempty" json:"routing-policy,omitempty" reloadable:"true"`
	Status        Factor          `yaml:"status,omitempty" toml:"status,omitempty" json:"status,omitempty" reloadable:"true"`
	Health        Factor          `yaml:"health,omitempty" toml:"health,omitempty" json:"health,omitempty" reloadable:"true"`
	Memory        Factor          `yaml:"memory,omitempty" toml:"memory,omitempty" json:"memory,omitempty" reloadable:"true"`
	CPU           Factor          `yaml:"cpu,omitempty" toml:"cpu,omitempty" json:"cpu,omitempty" reloadable:"true"`
	Location      Factor          `yaml:"location,omitempty" toml:"location,omitempty" json:"location,omitempty" reloadable:"true"`
	ConnCount     ConnCountFactor `yaml:"conn-count,omitempty" toml:"conn-count,omitempty" json:"conn-count,omitempty" reloadable:"true"`
}

type Config struct {
	Proxy               ProxyServer           `yaml:"proxy,omitempty" toml:"proxy,omitempty" json:"proxy,omitempty"`
	API                 API                   `yaml:"api,omitempty" toml:"api,omitempty" json:"api,omitempty"`
	Workdir             string                `yaml:"workdir,omitempty" toml:"workdir,omitempty" json:"workdir,omitempty" reloadable:"false"`
	Security            Security              `yaml:"security,omitempty" toml:"security,omitempty" json:"security,omitempty"`
	Log                 Log                   `yaml:"log,omitempty" toml:"log,omitempty" json:"log,omitempty"`
	Balance             Balance               `yaml:"balance,omitempty" toml:"balance,omitempty" json:"balance,omitempty"`
	Labels              map[string]string     `yaml:"labels,omitempty" toml:"labels,omitempty" json:"labels,omitempty" reloadable:"true"`
	HA                  HA                    `yaml:"ha,omitempty" toml:"ha,omitempty" json:"ha,omitempty"`
	Metering            config.MeteringConfig `yaml:"metering,omitempty" toml:"metering,omitempty" json:"metering,omitempty" reloadable:"false"`
	EnableTrafficReplay bool                  `` /* 134-byte string literal not displayed */
}

type ConfigGetter interface {
	GetConfig() *Config
}

type ConnCountFactor struct {
	Factor              `yaml:",inline" toml:",inline" json:",inline"`
	CountRatioThreshold float64 `` /* 134-byte string literal not displayed */
}

type Factor struct {
	MigrationsPerSecond float64 `` /* 134-byte string literal not displayed */
}

type FrontendNamespace struct {
	User     string    `yaml:"user" json:"user" toml:"user"`
	Security TLSConfig `yaml:"security" json:"security" toml:"security"`
}

type HA struct {
	VirtualIP string `yaml:"virtual-ip,omitempty" toml:"virtual-ip,omitempty" json:"virtual-ip,omitempty" reloadable:"false"`
	Interface string `yaml:"interface,omitempty" toml:"interface,omitempty" json:"interface,omitempty" reloadable:"false"`
}

type HealthCheck struct {
	Enable          bool          `yaml:"enable" json:"enable" toml:"enable" reloadable:"false"`
	Interval        time.Duration `yaml:"interval" json:"interval" toml:"interval" reloadable:"false"`
	MaxRetries      int           `yaml:"max-retries" json:"max-retries" toml:"max-retries" reloadable:"false"`
	RetryInterval   time.Duration `yaml:"retry-interval" json:"retry-interval" toml:"retry-interval" reloadable:"false"`
	DialTimeout     time.Duration `yaml:"dial-timeout" json:"dial-timeout" toml:"dial-timeout" reloadable:"false"`
	MetricsInterval time.Duration `yaml:"metrics-interval" json:"metrics-interval" toml:"metrics-interval" reloadable:"false"`
	MetricsTimeout  time.Duration `yaml:"metrics-timeout" json:"metrics-timeout" toml:"metrics-timeout" reloadable:"false"`
}

type HealthInfo struct {
	ConfigChecksum uint32 `json:"config_checksum"`
}

type KeepAlive struct {
	Enabled bool `yaml:"enabled,omitempty" toml:"enabled,omitempty" json:"enabled,omitempty" reloadable:"true"`
	// Idle, Cnt, and Intvl works only when the connection is idle. User packets will interrupt keep-alive.
	// If the peer crashes and doesn't send any packets, the connection will be closed within Idle+Cnt*Intvl.
	Idle  time.Duration `yaml:"idle,omitempty" toml:"idle,omitempty" json:"idle,omitempty" reloadable:"true"`
	Cnt   int           `yaml:"cnt,omitempty" toml:"cnt,omitempty" json:"cnt,omitempty" reloadable:"true"`
	Intvl time.Duration `yaml:"intvl,omitempty" toml:"intvl,omitempty" json:"intvl,omitempty" reloadable:"true"`
	// Timeout is the timeout of waiting ACK. It works for both user packets and keep-alive.
	// It is suggested to be equal or close to Cnt*Intvl.
	Timeout time.Duration `yaml:"timeout,omitempty" toml:"timeout,omitempty" json:"timeout,omitempty" reloadable:"true"`
}

type Log struct {
	Encoder   string `yaml:"encoder,omitempty" toml:"encoder,omitempty" json:"encoder,omitempty" reloadable:"false"`
	Simple    bool   `yaml:"simple,omitempty" toml:"simple,omitempty" json:"simple,omitempty" reloadable:"false"`
	LogOnline `yaml:",inline" toml:",inline" json:",inline"`
}

type LogFile struct {
	Filename   string `yaml:"filename,omitempty" toml:"filename,omitempty" json:"filename,omitempty" reloadable:"true"`
	MaxSize    int    `yaml:"max-size,omitempty" toml:"max-size,omitempty" json:"max-size,omitempty" reloadable:"true"`
	MaxDays    int    `yaml:"max-days,omitempty" toml:"max-days,omitempty" json:"max-days,omitempty" reloadable:"true"`
	MaxBackups int    `yaml:"max-backups,omitempty" toml:"max-backups,omitempty" json:"max-backups,omitempty" reloadable:"true"`
}

type LogOnline struct {
	Level   string  `yaml:"level,omitempty" toml:"level,omitempty" json:"level,omitempty" reloadable:"true"`
	LogFile LogFile `yaml:"log-file,omitempty" toml:"log-file,omitempty" json:"log-file,omitempty"`
}

type Namespace struct {
	Namespace string            `yaml:"namespace" json:"namespace" toml:"namespace"`
	Frontend  FrontendNamespace `yaml:"frontend" json:"frontend" toml:"frontend"`
	Backend   BackendNamespace  `yaml:"backend" json:"backend" toml:"backend"`
}

type ProxyServer struct {
	Addr              string `yaml:"addr,omitempty" toml:"addr,omitempty" json:"addr,omitempty" reloadable:"false"`
	AdvertiseAddr     string `yaml:"advertise-addr,omitempty" toml:"advertise-addr,omitempty" json:"advertise-addr,omitempty" reloadable:"false"`
	PDAddrs           string `yaml:"pd-addrs,omitempty" toml:"pd-addrs,omitempty" json:"pd-addrs,omitempty" reloadable:"false"`
	ProxyServerOnline `yaml:",inline" toml:",inline" json:",inline"`
}

type ProxyServerOnline struct {
	MaxConnections    uint64    `yaml:"max-connections,omitempty" toml:"max-connections,omitempty" json:"max-connections,omitempty" reloadable:"true"`
	ConnBufferSize    int       `yaml:"conn-buffer-size,omitempty" toml:"conn-buffer-size,omitempty" json:"conn-buffer-size,omitempty" reloadable:"true"`
	FrontendKeepalive KeepAlive `yaml:"frontend-keepalive" toml:"frontend-keepalive" json:"frontend-keepalive"`
	// BackendHealthyKeepalive applies when the observer treats the backend as healthy.
	// The config values should be conservative to save CPU and tolerate network fluctuation.
	BackendHealthyKeepalive KeepAlive `yaml:"backend-healthy-keepalive" toml:"backend-healthy-keepalive" json:"backend-healthy-keepalive"`
	// BackendUnhealthyKeepalive applies when the observer treats the backend as unhealthy.
	// The config values can be aggressive because the backend may stop anytime.
	BackendUnhealthyKeepalive KeepAlive `yaml:"backend-unhealthy-keepalive" toml:"backend-unhealthy-keepalive" json:"backend-unhealthy-keepalive"`
	ProxyProtocol             string    `yaml:"proxy-protocol,omitempty" toml:"proxy-protocol,omitempty" json:"proxy-protocol,omitempty" reloadable:"true"`
	// In k8s, the pod terminationGracePeriodSeconds can be set to very long so that these configs can be updated online.
	GracefulWaitBeforeShutdown int `` /* 158-byte string literal not displayed */
	GracefulCloseConnTimeout   int `` /* 152-byte string literal not displayed */
	// Public and private traffic are metered separately.
	PublicEndpoints []string `yaml:"public-endpoints,omitempty" toml:"public-endpoints,omitempty" json:"public-endpoints,omitempty" reloadable:"true"`
}

type Security struct {
	ServerSQLTLS      TLSConfig `yaml:"server-tls,omitempty" toml:"server-tls,omitempty" json:"server-tls,omitempty"`
	ServerHTTPTLS     TLSConfig `yaml:"server-http-tls,omitempty" toml:"server-http-tls,omitempty" json:"server-http-tls,omitempty"`
	ClusterTLS        TLSConfig `yaml:"cluster-tls,omitempty" toml:"cluster-tls,omitempty" json:"cluster-tls,omitempty"`
	SQLTLS            TLSConfig `yaml:"sql-tls,omitempty" toml:"sql-tls,omitempty" json:"sql-tls,omitempty"`
	EncryptionKeyPath string    `` /* 128-byte string literal not displayed */
	RequireBackendTLS bool      `` /* 128-byte string literal not displayed */
}

type TLSConfig struct {
	Cert               string   `yaml:"cert,omitempty" toml:"cert,omitempty" json:"cert,omitempty" reloadable:"true"`
	Key                string   `yaml:"key,omitempty" toml:"key,omitempty" json:"key,omitempty" reloadable:"true"`
	CA                 string   `yaml:"ca,omitempty" toml:"ca,omitempty" json:"ca,omitempty" reloadable:"true"`
	MinTLSVersion      string   `yaml:"min-tls-version,omitempty" toml:"min-tls-version,omitempty" json:"min-tls-version,omitempty" reloadable:"true"`
	CertAllowedCN      []string `yaml:"cert-allowed-cn,omitempty" toml:"cert-allowed-cn,omitempty" json:"cert-allowed-cn,omitempty" reloadable:"true"`
	AutoCerts          bool     `yaml:"auto-certs,omitempty" toml:"auto-certs,omitempty" json:"auto-certs,omitempty" reloadable:"true"`
	RSAKeySize         int      `yaml:"rsa-key-size,omitempty" toml:"rsa-key-size,omitempty" json:"rsa-key-size,omitempty" reloadable:"true"`
	AutoExpireDuration string   `` /* 143-byte string literal not displayed */
	SkipCA             bool     `yaml:"skip-ca,omitempty" toml:"skip-ca,omitempty" json:"skip-ca,omitempty" reloadable:"true"`
}