config

type Configuration struct {
	// contains filtered or unexported fields
}

type ConfigurationSettings struct {
	ListenPort            int
	DataCenter            string
	Environment           string
	Domain                string
	ShareDomain           string
	RaftBind              string
	RaftDataDir           string
	DefaultRaftPort       int      // if a RaftNodes entry does not specify port, use this one
	RaftNodes             []string // Raft nodes to make initial connection with
	BackendMySQLHost      string
	BackendMySQLPort      int
	BackendMySQLSchema    string
	BackendMySQLUser      string
	BackendMySQLPassword  string
	BackendMySQLCollation string   // if specified, use this collation instead of charset when connecting to MySQL backend
	MemcacheServers       []string // if given, freno will report to aggregated values to given memcache
	MemcachePath          string   // use as prefix to metric path in memcache key, e.g. if `MemcachePath` is "myprefix" the key would be "myprefix/mysql/maincluster". Default: "freno"
	EnableProfiling       bool     // enable pprof profiling http api
	Stores                StoresSettings
}

type HAProxyConfigurationSettings struct {
	Host      string
	Port      int
	Addresses string
	PoolName  string
}

type HostPort struct {
	Host string
	Port int
}

type MySQLClusterConfigurationSettings struct {
	User                 string   // override MySQLConfigurationSettings's, or leave empty to inherit those settings
	Password             string   // override MySQLConfigurationSettings's, or leave empty to inherit those settings
	MetricQuery          string   // override MySQLConfigurationSettings's, or leave empty to inherit those settings
	CacheMillis          int      // override MySQLConfigurationSettings's, or leave empty to inherit those settings
	ThrottleThreshold    float64  // override MySQLConfigurationSettings's, or leave empty to inherit those settings
	Port                 int      // Specify if different than 3306 or if different than specified by MySQLConfigurationSettings
	IgnoreHostsCount     int      // Number of hosts that can be skipped/ignored even on error or on exceeding theesholds
	IgnoreHostsThreshold float64  // Threshold beyond which IgnoreHostsCount applies (default: 0)
	HttpCheckPort        int      // Specify if different than specified by MySQLConfigurationSettings. -1 to disable HTTP check
	HttpCheckPath        string   // Specify if different than specified by MySQLConfigurationSettings
	IgnoreHosts          []string // override MySQLConfigurationSettings's, or leave empty to inherit those settings

	HAProxySettings     HAProxyConfigurationSettings  // If list of servers is to be acquired via HAProxy, provide this field
	ProxySQLSettings    ProxySQLConfigurationSettings // If list of servers is to be acquired via ProxySQL, provide this field
	VitessSettings      VitessConfigurationSettings   // If list of servers is to be acquired via Vitess, provide this field
	StaticHostsSettings StaticHostsConfigurationSettings
}

type MySQLConfigurationSettings struct {
	User                 string
	Password             string
	MetricQuery          string
	CacheMillis          int // optional, if defined then probe result will be cached, and future probes may use cached value
	ThrottleThreshold    float64
	Port                 int      // Specify if different than 3306; applies to all clusters
	IgnoreDialTcpErrors  bool     // Skip hosts where a metric cannot be retrieved due to TCP dial errors
	IgnoreHostsCount     int      // Number of hosts that can be skipped/ignored even on error or on exceeding theesholds
	IgnoreHostsThreshold float64  // Threshold beyond which IgnoreHostsCount applies (default: 0)
	HttpCheckPort        int      // port for HTTP check. -1 to disable.
	HttpCheckPath        string   // If non-empty, requires HttpCheckPort
	IgnoreHosts          []string // If non empty, substrings to indicate hosts to be ignored/skipped
	ProxySQLAddresses    []string // A list of ProxySQL instances to query for hosts
	ProxySQLUser         string   // ProxySQL stats username
	ProxySQLPassword     string   // ProxySQL stats password
	VitessCells          []string // Name of the Vitess cells for polling tablet hosts
	Collation            string   // MySQL collation to use for stores, replaces charset if specified

	Clusters map[string](*MySQLClusterConfigurationSettings) // cluster name -> cluster config
}

type ProxySQLConfigurationSettings struct {
	Addresses           []string
	User                string
	Password            string
	HostgroupID         uint
	IgnoreServerTTLSecs uint
}

type StaticHostsConfigurationSettings struct {
	Hosts []string // a host can be "hostname" or "hostname:port"
}

type StoresSettings struct {
	MySQL MySQLConfigurationSettings // Any and all MySQL setups go here

}

type VitessConfigurationSettings struct {
	API         string
	Cells       []string
	Keyspace    string
	Shard       string
	TimeoutSecs uint
}