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

Types

type MigrateServedFrom

type MigrateServedFrom struct {
	base.StatusUpdater

	KeyspaceName     string
	SourceShard      topo.ShardInfo
	DestinationShard topo.ShardInfo
	ServedType       topodatapb.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

	KeyspaceName      string
	SourceShards      []*topo.ShardInfo
	DestinationShards []*topo.ShardInfo
	ServedType        topodatapb.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 Reparent

type Reparent struct {
	base.StatusUpdater

	ShardInfo              topo.ShardInfo
	OldPrimary, NewPrimary *topodatapb.Tablet
	ExternalID             string
}

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.