events

Documentation

Overview

Package events defines the structures used for events dispatched from the wrangler package.

Index

• type MigrateServedFrom
  • func (ev *MigrateServedFrom) Syslog() (syslog.Priority, string)
• type MigrateServedTypes
  • func (ev *MigrateServedTypes) Syslog() (syslog.Priority, string)
• type MultiRestore
  • func (ev *MultiRestore) Syslog() (syslog.Priority, string)
• type MultiSnapshot
  • func (ev *MultiSnapshot) Syslog() (syslog.Priority, string)
• type Reparent
  • func (r *Reparent) Syslog() (syslog.Priority, string)

Types

type MigrateServedFrom

type MigrateServedFrom struct {
	base.StatusUpdater

	Keyspace         topo.KeyspaceInfo
	SourceShard      topo.ShardInfo
	DestinationShard topo.ShardInfo
	ServedType       topo.TabletType
	Reverse          bool
}

MigrateServedFrom is an event that describes a single step in the process of adding or removing a forwarding rule to have certain ServedTypes served by another keyspace.

func (*MigrateServedFrom) Syslog

func (ev *MigrateServedFrom) Syslog() (syslog.Priority, string)

Syslog writes a MigrateServedFrom event to syslog.

type MigrateServedTypes

type MigrateServedTypes struct {
	base.StatusUpdater

	Keyspace          topo.KeyspaceInfo
	SourceShards      []*topo.ShardInfo
	DestinationShards []*topo.ShardInfo
	ServedType        topo.TabletType
	Reverse           bool
}

MigrateServedTypes is an event that describes a single step in the process of switching a ServedType from one set of shards to another.

func (*MigrateServedTypes) Syslog

func (ev *MigrateServedTypes) Syslog() (syslog.Priority, string)

Syslog writes a MigrateServedTypes event to syslog.

type MultiRestore

type MultiRestore struct {
	base.StatusUpdater

	Tablet topo.Tablet
	Args   actionnode.MultiRestoreArgs
}

MultiRestore is an event that triggers when a tablet has completed a filtered snapshot restore.

func (*MultiRestore) Syslog

func (ev *MultiRestore) Syslog() (syslog.Priority, string)

Syslog writes a MultiRestore event to syslog.

type MultiSnapshot

type MultiSnapshot struct {
	base.StatusUpdater

	Tablet topo.Tablet
	Args   actionnode.MultiSnapshotArgs
}

MultiSnapshot is an event that triggers when a tablet has completed a filtered snapshot.

func (*MultiSnapshot) Syslog

func (ev *MultiSnapshot) Syslog() (syslog.Priority, string)

Syslog writes a MultiSnapshot event to syslog.

type Reparent

type Reparent struct {
	base.StatusUpdater

	ShardInfo            topo.ShardInfo
	OldMaster, NewMaster topo.Tablet
}

Reparent is an event that describes a single step in the reparent process.

func (*Reparent) Syslog

func (r *Reparent) Syslog() (syslog.Priority, string)

Syslog writes a Reparent event to syslog.