config

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

type Advance struct {
	IgnoreWrongNamespace bool `yaml:"ignore-wrong-namespace,omitempty" toml:"ignore-wrong-namespace,omitempty" json:"ignore-wrong-namespace,omitempty"`
}

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

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"`
	Advance  Advance     `yaml:"advance,omitempty" toml:"advance,omitempty" json:"advance,omitempty"`
	Workdir  string      `yaml:"workdir,omitempty" toml:"workdir,omitempty" json:"workdir,omitempty"`
	Security Security    `yaml:"security,omitempty" toml:"security,omitempty" json:"security,omitempty"`
	Log      Log         `yaml:"log,omitempty" toml:"log,omitempty" json:"log,omitempty"`
}

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

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

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

type KeepAlive struct {
	Enabled bool `yaml:"enabled,omitempty" toml:"enabled,omitempty" json:"enabled,omitempty"`
	// 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"`
	Cnt   int           `yaml:"cnt,omitempty" toml:"cnt,omitempty" json:"cnt,omitempty"`
	Intvl time.Duration `yaml:"intvl,omitempty" toml:"intvl,omitempty" json:"intvl,omitempty"`
	// 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"`
}

type Log struct {
	Encoder   string `yaml:"encoder,omitempty" toml:"encoder,omitempty" json:"encoder,omitempty"`
	LogOnline `yaml:",inline" toml:",inline" json:",inline"`
}

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

type LogOnline struct {
	Level   string  `yaml:"level,omitempty" toml:"level,omitempty" json:"level,omitempty"`
	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"`
	AdvertiseAddr     string `yaml:"advertise-addr,omitempty" toml:"advertise-addr,omitempty" json:"advertise-addr,omitempty"`
	PDAddrs           string `yaml:"pd-addrs,omitempty" toml:"pd-addrs,omitempty" json:"pd-addrs,omitempty"`
	ProxyServerOnline `yaml:",inline" toml:",inline" json:",inline"`
}

type ProxyServerOnline struct {
	MaxConnections    uint64    `yaml:"max-connections,omitempty" toml:"max-connections,omitempty" json:"max-connections,omitempty"`
	ConnBufferSize    int       `yaml:"conn-buffer-size,omitempty" toml:"conn-buffer-size,omitempty" json:"conn-buffer-size,omitempty"`
	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"`
	GracefulWaitBeforeShutdown int       `` /* 140-byte string literal not displayed */
	GracefulCloseConnTimeout   int       `` /* 134-byte string literal not displayed */
}

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"`
	RequireBackendTLS bool      `yaml:"require-backend-tls,omitempty" toml:"require-backend-tls,omitempty" json:"require-backend-tls,omitempty"`
}

type TLSConfig struct {
	Cert               string `yaml:"cert,omitempty" toml:"cert,omitempty" json:"cert,omitempty"`
	Key                string `yaml:"key,omitempty" toml:"key,omitempty" json:"key,omitempty"`
	CA                 string `yaml:"ca,omitempty" toml:"ca,omitempty" json:"ca,omitempty"`
	MinTLSVersion      string `yaml:"min-tls-version,omitempty" toml:"min-tls-version,omitempty" json:"min-tls-version,omitempty"`
	AutoCerts          bool   `yaml:"auto-certs,omitempty" toml:"auto-certs,omitempty" json:"auto-certs,omitempty"`
	RSAKeySize         int    `yaml:"rsa-key-size,omitempty" toml:"rsa-key-size,omitempty" json:"rsa-key-size,omitempty"`
	AutoExpireDuration string `yaml:"autocert-expire-duration,omitempty" toml:"autocert-expire-duration,omitempty" json:"autocert-expire-duration,omitempty"`
	SkipCA             bool   `yaml:"skip-ca,omitempty" toml:"skip-ca,omitempty" json:"skip-ca,omitempty"`
}