v0

type ClusterData struct {
	// ClusterData format version. Used to detect incompatible
	// version and do upgrade. Needs to be bumped when a non
	// backward compatible change is done to the other struct
	// members.
	FormatVersion uint64

	KeepersState KeepersState
	ClusterView  *ClusterView
}

type ClusterView struct {
	Version     int
	Master      string
	KeepersRole KeepersRole
	ProxyConf   *ProxyConf
	Config      *NilConfig
	ChangeTime  time.Time
}

type Config struct {
	// Time after which any request (keepers checks from sentinel etc...) will fail.
	RequestTimeout time.Duration
	// Interval to wait before next check (for every component: keeper, sentinel, proxy).
	SleepInterval time.Duration
	// Interval after the first fail to declare a keeper as not healthy.
	KeeperFailInterval time.Duration
	// Max number of standbys for every sender. A sender can be a master or
	// another standby (with cascading replication).
	MaxStandbysPerSender uint
	// Use Synchronous replication between master and its standbys
	SynchronousReplication bool
	// Choose a random initial master when multiple keeper are registered
	InitWithMultipleKeepers bool
	// Whether to use pg_rewind
	UsePGRewind bool
	// Map of postgres parameters
	PGParameters map[string]string
}

type Duration struct {
	time.Duration
}

type KeeperDiscoveryInfo struct {
	ListenAddress string
	Port          string
}

type KeeperInfo struct {
	ID                 string
	ClusterViewVersion int
	ListenAddress      string
	Port               string
	PGListenAddress    string
	PGPort             string
}

type KeeperRole struct {
	ID     string
	Follow string
}

type KeeperState struct {
	ID                 string
	ErrorStartTime     time.Time
	Healthy            bool
	ClusterViewVersion int
	ListenAddress      string
	Port               string
	PGListenAddress    string
	PGPort             string
	PGState            *PostgresState
}

type KeepersDiscoveryInfo []*KeeperDiscoveryInfo

type KeepersInfo map[string]*KeeperInfo

type KeepersRole map[string]*KeeperRole

type KeepersState map[string]*KeeperState

type NilConfig struct {
	RequestTimeout          *Duration          `json:"request_timeout,omitempty"`
	SleepInterval           *Duration          `json:"sleep_interval,omitempty"`
	KeeperFailInterval      *Duration          `json:"keeper_fail_interval,omitempty"`
	MaxStandbysPerSender    *uint              `json:"max_standbys_per_sender,omitempty"`
	SynchronousReplication  *bool              `json:"synchronous_replication,omitempty"`
	InitWithMultipleKeepers *bool              `json:"init_with_multiple_keepers,omitempty"`
	UsePGRewind             *bool              `json:"use_pg_rewind,omitempty"`
	PGParameters            *map[string]string `json:"pg_parameters,omitempty"`
}

type PostgresState struct {
	Initialized      bool
	Role             common.Role
	SystemID         string
	TimelineID       uint64
	XLogPos          uint64
	TimelinesHistory PostgresTimelinesHistory
}

type PostgresTimelineHistory struct {
	TimelineID  uint64
	SwitchPoint uint64
	Reason      string
}

type PostgresTimelinesHistory []*PostgresTimelineHistory

type ProxiesInfo []*ProxyInfo

type ProxyConf struct {
	Host string
	Port string
}

type ProxyInfo struct {
	ID                 string
	ListenAddress      string
	Port               string
	ClusterViewVersion int
}

type SentinelInfo struct {
	ID            string
	ListenAddress string
	Port          string
}

type SentinelsInfo []*SentinelInfo