postgresql

package
v0.12.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 3, 2018 License: Apache-2.0 Imports: 25 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// TODO(sgotti) for now we assume wal size is the default 16MiB size
	WalSegSize = (16 * 1024 * 1024) // 16MiB
)

Variables

View Source 
var (
	ErrUnknownState = errors.New("unknown postgres state")
)
View Source 
var (
	ValidReplSlotName = regexp.MustCompile("^[a-z0-9_]+$")
)

Functions

func IsValidReplSlotName 

func IsValidReplSlotName(name string) bool

func IsWalFileName 

func IsWalFileName(name string) bool

func PGLsnToInt 

func PGLsnToInt(lsn string) (uint64, error)

func ParseBinaryVersion 

func ParseBinaryVersion(v string) (int, int, error)

func ParseVersion 

func ParseVersion(v string) (int, int, error)

func SetLogger 

func SetLogger(l *zap.SugaredLogger)

func WalFileNameNoTimeLine 

func WalFileNameNoTimeLine(name string) (string, error)

func XlogPosToWalFileNameNoTimeline 

func XlogPosToWalFileNameNoTimeline(XLogPos uint64) string

Types

type ConnParams 

type ConnParams map[string]string

func ParseConnString 

func ParseConnString(name string) (ConnParams, error)

ParseConnString parses the options from name and adds them to the values.

The parsing code is based on conninfo_parse from libpq's fe-connect.c

func URLToConnParams 

func URLToConnParams(urlStr string) (ConnParams, error)

URLToConnParams creates the connParams from the url.

func (ConnParams) ConnString 

func (p ConnParams) ConnString() string

func (ConnParams) Copy 

func (cp ConnParams) Copy() ConnParams

func (ConnParams) Del 

func (cp ConnParams) Del(k string)

func (ConnParams) Equals 

func (cp ConnParams) Equals(cp2 ConnParams) bool

func (ConnParams) Get 

func (cp ConnParams) Get(k string) (v string)

func (ConnParams) Isset 

func (cp ConnParams) Isset(k string) bool

func (ConnParams) Set 

func (cp ConnParams) Set(k, v string)

type InitConfig 

type InitConfig struct {
	Locale        string
	Encoding      string
	DataChecksums bool
}

type Manager 

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

func NewManager 

func NewManager(pgBinPath string, dataDir string, localConnParams, replConnParams ConnParams, suAuthMethod, suUsername, suPassword, replAuthMethod, replUsername, replPassword string, requestTimeout time.Duration) *Manager

func (*Manager) BinaryVersion 

func (p *Manager) BinaryVersion() (int, int, error)

func (*Manager) CreateReplicationSlot 

func (p *Manager) CreateReplicationSlot(name string) error

func (*Manager) CurHba 

func (p *Manager) CurHba() []string

func (*Manager) CurParameters 

func (p *Manager) CurParameters() common.Parameters

func (*Manager) DropReplicationSlot 

func (p *Manager) DropReplicationSlot(name string) error

func (*Manager) GetConfigFilePGParameters 

func (p *Manager) GetConfigFilePGParameters() (common.Parameters, error)

func (*Manager) GetPrimaryConninfo 

func (p *Manager) GetPrimaryConninfo() (ConnParams, error)

func (*Manager) GetPrimarySlotName 

func (p *Manager) GetPrimarySlotName() (string, error)

func (*Manager) GetReplicationSlots 

func (p *Manager) GetReplicationSlots() ([]string, error)

func (*Manager) GetRole 

func (p *Manager) GetRole() (common.Role, error)

func (*Manager) GetRoleFromDB 

func (p *Manager) GetRoleFromDB() (common.Role, error)

func (*Manager) GetSyncStandbys added in v0.12.0 

func (p *Manager) GetSyncStandbys() ([]string, error)

func (*Manager) GetSystemData 

func (p *Manager) GetSystemData() (*SystemData, error)

func (*Manager) GetSystemdID 

func (p *Manager) GetSystemdID() (string, error)

func (*Manager) GetTimelinesHistory 

func (p *Manager) GetTimelinesHistory(timeline uint64) ([]*TimelineHistory, error)

func (*Manager) HasConnParams 

func (p *Manager) HasConnParams() (bool, error)

func (*Manager) Init 

func (p *Manager) Init(initConfig *InitConfig) error

func (*Manager) IsInitialized 

func (p *Manager) IsInitialized() (bool, error)

func (*Manager) IsStarted 

func (p *Manager) IsStarted() (bool, error)

func (*Manager) OlderWalFile 

func (p *Manager) OlderWalFile() (string, error)

func (*Manager) PGDataVersion 

func (p *Manager) PGDataVersion() (int, int, error)

func (*Manager) Ping 

func (p *Manager) Ping() error

func (*Manager) Promote 

func (p *Manager) Promote() error

func (*Manager) Reload 

func (p *Manager) Reload() error

func (*Manager) RemoveAll 

func (p *Manager) RemoveAll() error

func (*Manager) Restart 

func (p *Manager) Restart(fast bool) error

func (*Manager) Restore 

func (p *Manager) Restore(command string) error

func (*Manager) SetHba 

func (p *Manager) SetHba(hba []string)

func (*Manager) SetParameters 

func (p *Manager) SetParameters(parameters common.Parameters)

func (*Manager) SetupRoles 

func (p *Manager) SetupRoles() error

func (*Manager) Start 

func (p *Manager) Start() error

func (*Manager) StartTmpMerged 

func (p *Manager) StartTmpMerged() error

StartTmpMerged starts postgres with a conf file different than postgresql.conf, including it at the start of the conf if it exists

func (*Manager) Stop 

func (p *Manager) Stop(fast bool) error

Stop tries to stop an instance. An error will be returned if the instance isn't started, stop fails or times out (60 second).

func (*Manager) StopIfStarted 

func (p *Manager) StopIfStarted(fast bool) error

StopIfStarted checks if the instance is started, then calls stop and then check if the instance is really stopped

func (*Manager) SyncFromFollowed 

func (p *Manager) SyncFromFollowed(followedConnParams ConnParams, replSlot string) error

func (*Manager) SyncFromFollowedPGRewind 

func (p *Manager) SyncFromFollowedPGRewind(followedConnParams ConnParams, password string) error

func (*Manager) UpdateCurHba 

func (p *Manager) UpdateCurHba()

func (*Manager) UpdateCurParameters 

func (p *Manager) UpdateCurParameters()

func (*Manager) WaitReady 

func (p *Manager) WaitReady(timeout time.Duration) error

func (*Manager) WaitRecoveryDone 

func (p *Manager) WaitRecoveryDone(timeout time.Duration) error

func (*Manager) WriteConf 

func (p *Manager) WriteConf() error

func (*Manager) WriteRecoveryConf 

func (p *Manager) WriteRecoveryConf(recoveryParameters common.Parameters) error

type SystemData 

type SystemData struct {
	SystemID   string
	TimelineID uint64
	XLogPos    uint64
}

func GetSystemData 

func GetSystemData(ctx context.Context, replConnParams ConnParams) (*SystemData, error)

type TimelineHistory 

type TimelineHistory struct {
	TimelineID  uint64
	SwitchPoint uint64
	Reason      string
}

Source Files

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