state

package
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 Go to latest Published: Apr 26, 2024 License: Apache-2.0 Imports: 8 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type ArangoSync 

type ArangoSync struct {
	State ArangoSyncState `json:"synchronizationState"`
}

func (*ArangoSync) IsSyncInProgress 

func (a *ArangoSync) IsSyncInProgress() bool

type ArangoSyncIncomingState 

type ArangoSyncIncomingState struct {
	State *string `json:"state,omitempty"`
}

type ArangoSyncLazy 

type ArangoSyncLazy struct {
	Error error
	*ArangoSync
}

ArangoSyncLazy allows failure during load of the Sync state

func (*ArangoSyncLazy) UnmarshalJSON 

func (a *ArangoSyncLazy) UnmarshalJSON(bytes []byte) error

type ArangoSyncOutgoingState 

type ArangoSyncOutgoingState struct {
	Targets Exists `json:"targets,omitempty"`
}

type ArangoSyncState 

type ArangoSyncState struct {
	Incoming ArangoSyncIncomingState `json:"incoming"`
	Outgoing ArangoSyncOutgoingState `json:"outgoing"`
}

type CollectionShardDetail 

type CollectionShardDetail struct {
	Database   string
	Collection string
	Shard      string
}

type CollectionShardDetails 

type CollectionShardDetails []CollectionShardDetail

func GetDBServerBlockingRestartShards 

func GetDBServerBlockingRestartShards(s State, serverID Server) CollectionShardDetails

func GetDBServerShardsNotInSync 

func GetDBServerShardsNotInSync(s State, serverID Server) CollectionShardDetails

type Current 

type Current struct {
	MaintenanceServers CurrentMaintenanceServers `json:"MaintenanceServers,omitempty"`
	Collections        CurrentCollections        `json:"Collections"`

	// ServersKnown stores information about ArangoDB servers.
	ServersKnown map[driver.ServerID]ServerKnown `json:"ServersKnown,omitempty"`
}

type CurrentCollections 

type CurrentCollections map[string]CurrentDBCollections

CurrentCollections is a map of database name to collections

func (CurrentCollections) IsDBServerPresent 

func (a CurrentCollections) IsDBServerPresent(name Server) bool

type CurrentDBCollection 

type CurrentDBCollection map[string]CurrentDBShard

CurrentDBCollection is a map of Shard name to Shard details

func (CurrentDBCollection) IsDBServerPresent 

func (a CurrentDBCollection) IsDBServerPresent(name Server) bool

type CurrentDBCollections 

type CurrentDBCollections map[string]CurrentDBCollection

CurrentDBCollections is a map of collection name to shards

func (CurrentDBCollections) IsDBServerPresent 

func (a CurrentDBCollections) IsDBServerPresent(name Server) bool

type CurrentDBShard 

type CurrentDBShard struct {
	Servers Servers `json:"servers,omitempty"`
}

type CurrentMaintenanceServer 

type CurrentMaintenanceServer struct {
	Mode  *CurrentMaintenanceServerMode `json:"Mode,omitempty"`
	Until Timestamp                     `json:"Until,omitempty"`
}

func (*CurrentMaintenanceServer) InMaintenance 

func (s *CurrentMaintenanceServer) InMaintenance() bool

type CurrentMaintenanceServerMode 

type CurrentMaintenanceServerMode string
const (
	CurrentMaintenanceServerModeMaintenance CurrentMaintenanceServerMode = "maintenance"
)

type CurrentMaintenanceServers 

type CurrentMaintenanceServers map[Server]CurrentMaintenanceServer

func (CurrentMaintenanceServers) InMaintenance 

func (s CurrentMaintenanceServers) InMaintenance(server Server) bool

type DB 

type DB struct {
	ArangoSync ArangoSyncLazy `json:"arangosync,omitempty"`
}

type DumpState 

type DumpState struct {
	Agency Root `json:"agency"`
}

type Exists 

type Exists []byte

func (Exists) Exists 

func (d Exists) Exists() bool

func (Exists) Hash 

func (d Exists) Hash() string

func (*Exists) UnmarshalJSON 

func (d *Exists) UnmarshalJSON(bytes []byte) error

type Job 

type Job struct {
	Type   string `json:"type,omitempty"`
	Reason string `json:"reason,omitempty"`
}

type JobID 

type JobID string

type JobPhase 

type JobPhase string
var (
	JobPhaseUnknown  JobPhase = ""
	JobPhaseToDo     JobPhase = "ToDo"
	JobPhasePending  JobPhase = "Pending"
	JobPhaseFailed   JobPhase = "Failed"
	JobPhaseFinished JobPhase = "Finished"
)

type Jobs 

type Jobs map[JobID]Job

type Plan 

type Plan struct {
	Collections PlanCollections `json:"Collections"`
	Databases   PlanDatabases   `json:"Databases,omitempty"`
}

type PlanCollection 

type PlanCollection struct {
	Name   *string `json:"name"`
	Shards Shards  `json:"shards"`
	// deprecated
	// MinReplicationFactor is deprecated, but we have to support it for backward compatibility
	MinReplicationFactor *int               `json:"minReplicationFactor,omitempty"`
	WriteConcern         *int               `json:"writeConcern,omitempty"`
	ReplicationFactor    *ReplicationFactor `json:"replicationFactor,omitempty"`
	DistributeShardsLike *string            `json:"distributeShardsLike,omitempty"`
}

func (PlanCollection) GetName 

func (a PlanCollection) GetName(d string) string

func (*PlanCollection) GetReplicationFactor 

func (a *PlanCollection) GetReplicationFactor(shard string) ReplicationFactor

func (*PlanCollection) GetWriteConcern 

func (a *PlanCollection) GetWriteConcern(def int) int

func (*PlanCollection) GetWriteConcernP 

func (a *PlanCollection) GetWriteConcernP() *int

func (*PlanCollection) IsDBServerInShards 

func (a *PlanCollection) IsDBServerInShards(name Server) bool

func (*PlanCollection) IsDBServerLeader 

func (a *PlanCollection) IsDBServerLeader(name Server) bool

type PlanCollections 

type PlanCollections map[string]PlanDBCollections

PlanCollections is a map of database name to collections

func (PlanCollections) IsDBServerLeader 

func (a PlanCollections) IsDBServerLeader(name Server) bool

func (PlanCollections) IsDBServerPresent 

func (a PlanCollections) IsDBServerPresent(name Server) bool

type PlanDBCollections 

type PlanDBCollections map[string]PlanCollection

PlanDBCollections is a map of collection name to collection details

func (PlanDBCollections) CountShards 

func (a PlanDBCollections) CountShards() int

func (PlanDBCollections) IsDBServerInCollections 

func (a PlanDBCollections) IsDBServerInCollections(name Server) bool

func (PlanDBCollections) IsDBServerLeaderInCollections 

func (a PlanDBCollections) IsDBServerLeaderInCollections(name Server) bool

type PlanDatabase 

type PlanDatabase struct {
	ID string `json:"id"`
}

type PlanDatabases 

type PlanDatabases map[string]PlanDatabase

type ReplicationFactor 

type ReplicationFactor int
const (
	UnknownReplicationFactor   ReplicationFactor = -1000
	SatelliteReplicationFactor ReplicationFactor = -100
)

func (*ReplicationFactor) IsNil 

func (r *ReplicationFactor) IsNil() bool

func (*ReplicationFactor) IsSatellite 

func (r *ReplicationFactor) IsSatellite() bool

func (*ReplicationFactor) IsUnknown 

func (r *ReplicationFactor) IsUnknown() bool

func (*ReplicationFactor) UnmarshalJSON 

func (r *ReplicationFactor) UnmarshalJSON(bytes []byte) error

type Root 

type Root struct {
	Arango   State `json:"arango"`
	ArangoDB DB    `json:"arangodb,omitempty"`
}

type Server 

type Server string

type ServerKnown 

type ServerKnown struct {
	// RebootID is an incremental value which describes how many times server was restarted.
	RebootID int `json:"rebootId"`
}

ServerKnown stores information about single ArangoDB server.

type Servers 

type Servers []Server

func (Servers) Contains 

func (s Servers) Contains(id Server) bool

func (Servers) Equals 

func (s Servers) Equals(ids Servers) bool

func (Servers) InSync 

func (s Servers) InSync(ids Servers) bool

func (Servers) Join 

func (s Servers) Join(ids Servers) Servers

func (Servers) Sort 

func (s Servers) Sort()

type ShardDetails 

type ShardDetails struct {
	ShardID    string
	Database   string
	Collection string
	Servers    Servers
}

type ShardFilter 

type ShardFilter func(s State, db, col, shard string) bool

func FilterDBServerShardRestart 

func FilterDBServerShardRestart(serverID Server) ShardFilter

func FilterDBServerShardsNotInSync 

func FilterDBServerShardsNotInSync(serverID Server) ShardFilter

func NegateFilter 

func NegateFilter(in ShardFilter) ShardFilter

type ShardStatus 

type ShardStatus struct {
	IsSynced bool
}

type Shards 

type Shards map[string]Servers

type ShardsSyncStatus 

type ShardsSyncStatus map[string]time.Time

func (ShardsSyncStatus) NotInSyncSince 

func (s ShardsSyncStatus) NotInSyncSince(t time.Duration) []string

NotInSyncSince returns a list of shards that have not been in sync for at least t.

type State 

type State struct {
	Supervision Supervision `json:"Supervision"`
	Plan        Plan        `json:"Plan"`
	Current     Current     `json:"Current"`
	Target      Target      `json:"Target"`
}

func (State) CountShards 

func (s State) CountShards() int

func (State) Filter 

func (s State) Filter(f ShardFilter) CollectionShardDetails

func (State) GetCollectionDatabaseByID 

func (s State) GetCollectionDatabaseByID(id string) (string, bool)

GetCollectionDatabaseByID find Database name by Collection ID

func (State) GetDBServerWithLowestShards 

func (s State) GetDBServerWithLowestShards() Server

GetDBServerWithLowestShards returns the DBServer with the lowest amount of shards

func (State) GetRebootID 

func (s State) GetRebootID(id driver.ServerID) (int, bool)

GetRebootID returns reboot ID for a given server ID. returns false when a server ID does not exist in cache.

func (State) GetShardDetailsByID 

func (s State) GetShardDetailsByID(id string) (ShardDetails, bool)

GetShardDetailsByID returns the ShardDetails for a given ShardID. If the ShardID is not found, the second return value is false

func (State) GetShardsStatus 

func (s State) GetShardsStatus() map[string]bool

func (State) IsShardInSync 

func (s State) IsShardInSync(db, col, shard string, servers Servers) bool

func (State) PlanLeaderServers 

func (s State) PlanLeaderServers() Servers

PlanLeaderServers returns all servers which are part of the plan as a leader

func (State) PlanLeaderServersWithFailOver 

func (s State) PlanLeaderServersWithFailOver() Servers

PlanLeaderServersWithFailOver returns all servers which are part of the plan as a leader and can fail over

func (State) PlanServers 

func (s State) PlanServers() Servers

PlanServers returns all servers which are part of the plan

func (State) ShardsByDBServers 

func (s State) ShardsByDBServers() map[Server]int

ShardsByDBServers returns a map of DBServers and the amount of shards they have

type Supervision 

type Supervision struct {
	Maintenance Timestamp `json:"Maintenance,omitempty"`
}

type Target 

type Target struct {
	JobToDo     Jobs `json:"ToDo,omitempty"`
	JobPending  Jobs `json:"Pending,omitempty"`
	JobFailed   Jobs `json:"Failed,omitempty"`
	JobFinished Jobs `json:"Finished,omitempty"`

	CleanedServers     Servers `json:"CleanedServers,omitempty"`
	ToBeCleanedServers Servers `json:"ToBeCleanedServers,omitempty"`

	HotBackup TargetHotBackup `json:"HotBackup,omitempty"`
}

func (Target) GetJob 

func (s Target) GetJob(id JobID) (Job, JobPhase)

func (Target) GetJobIDs 

func (s Target) GetJobIDs() []JobID

type TargetHotBackup 

type TargetHotBackup struct {
	Create Timestamp `json:"Create,omitempty"`
}

type Timestamp 

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

func (*Timestamp) Exists 

func (s *Timestamp) Exists() bool

func (*Timestamp) Hash 

func (s *Timestamp) Hash() string

func (*Timestamp) Time 

func (s *Timestamp) Time() (time.Time, bool)

func (*Timestamp) UnmarshalJSON 

func (s *Timestamp) UnmarshalJSON(bytes []byte) error

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