status

package
v0.0.0-...-8273b29 Latest Latest
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 Go to latest Published: Aug 29, 2015 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Overview

Package status is a generated protocol buffer package.

It is generated from these files: 

cockroach/server/status/status.proto

It has these top-level messages: 

NodeStatus

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrInvalidLengthStatus = fmt.Errorf("proto: negative length found during unmarshaling")
)

Functions

func ProcessNodeEvent 

func ProcessNodeEvent(l NodeEventListener, event interface{})

ProcessNodeEvent dispatches an event on the NodeEventListener.

Types

type CallErrorEvent 

type CallErrorEvent struct {
	NodeID proto.NodeID
	Method proto.Method
}

CallErrorEvent is published when a call to a node returns an error.

type CallSuccessEvent 

type CallSuccessEvent struct {
	NodeID proto.NodeID
	Method proto.Method
}

CallSuccessEvent is published when a call to a node completes without error.

type NodeEventFeed 

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

NodeEventFeed is a helper structure which publishes node-specific events to a util.Feed. If the target feed is nil, event methods become no-ops.

func NewNodeEventFeed 

func NewNodeEventFeed(id proto.NodeID, feed *util.Feed) NodeEventFeed

NewNodeEventFeed creates a new NodeEventFeed which publishes events for a specific node to the supplied feed.

func (NodeEventFeed) CallComplete 

func (nef NodeEventFeed) CallComplete(args proto.Request, reply proto.Response)

CallComplete is called by a node whenever it completes a request. This will publish an appropriate event to the feed based on the results of the call.

func (NodeEventFeed) StartNode 

func (nef NodeEventFeed) StartNode(desc proto.NodeDescriptor, startedAt int64)

StartNode is called by a node when it has started.

type NodeEventListener 

type NodeEventListener interface {
	OnStartNode(event *StartNodeEvent)
	OnCallSuccess(event *CallSuccessEvent)
	OnCallError(event *CallErrorEvent)
	// TODO(tschottdorf): break this out into a TraceEventListener.
	OnTrace(event *tracer.Trace)
}

NodeEventListener is an interface that can be implemented by objects which listen for events published by nodes.

type NodeStatus 

type NodeStatus struct {
	Desc                 cockroach_proto.NodeDescriptor                   `protobuf:"bytes,1,opt,name=desc" json:"desc"`
	StoreIDs             []github_com_cockroachdb_cockroach_proto.StoreID `protobuf:"varint,2,rep,name=store_ids,casttype=github.com/cockroachdb/cockroach/proto.StoreID" json:"store_ids,omitempty"`
	RangeCount           int32                                            `protobuf:"varint,3,opt,name=range_count" json:"range_count"`
	StartedAt            int64                                            `protobuf:"varint,4,opt,name=started_at" json:"started_at"`
	UpdatedAt            int64                                            `protobuf:"varint,5,opt,name=updated_at" json:"updated_at"`
	Stats                cockroach_storage_engine.MVCCStats               `protobuf:"bytes,6,opt,name=stats" json:"stats"`
	LeaderRangeCount     int32                                            `protobuf:"varint,7,opt,name=leader_range_count" json:"leader_range_count"`
	ReplicatedRangeCount int32                                            `protobuf:"varint,8,opt,name=replicated_range_count" json:"replicated_range_count"`
	AvailableRangeCount  int32                                            `protobuf:"varint,9,opt,name=available_range_count" json:"available_range_count"`
}

NodeStatus contains the stats needed to calculate the current status of a node.

func (*NodeStatus) GetAvailableRangeCount 

func (m *NodeStatus) GetAvailableRangeCount() int32

func (*NodeStatus) GetDesc 

func (m *NodeStatus) GetDesc() cockroach_proto.NodeDescriptor

func (*NodeStatus) GetLeaderRangeCount 

func (m *NodeStatus) GetLeaderRangeCount() int32

func (*NodeStatus) GetRangeCount 

func (m *NodeStatus) GetRangeCount() int32

func (*NodeStatus) GetReplicatedRangeCount 

func (m *NodeStatus) GetReplicatedRangeCount() int32

func (*NodeStatus) GetStartedAt 

func (m *NodeStatus) GetStartedAt() int64

func (*NodeStatus) GetStats 

func (m *NodeStatus) GetStats() cockroach_storage_engine.MVCCStats

func (*NodeStatus) GetStoreIDs 

func (m *NodeStatus) GetStoreIDs() []github_com_cockroachdb_cockroach_proto.StoreID

func (*NodeStatus) GetUpdatedAt 

func (m *NodeStatus) GetUpdatedAt() int64

func (*NodeStatus) Marshal 

func (m *NodeStatus) Marshal() (data []byte, err error)

func (*NodeStatus) MarshalTo 

func (m *NodeStatus) MarshalTo(data []byte) (int, error)

func (*NodeStatus) ProtoMessage 

func (*NodeStatus) ProtoMessage()

func (*NodeStatus) Reset 

func (m *NodeStatus) Reset()

func (*NodeStatus) Size 

func (m *NodeStatus) Size() (n int)

func (*NodeStatus) String 

func (m *NodeStatus) String() string

func (*NodeStatus) Unmarshal 

func (m *NodeStatus) Unmarshal(data []byte) error

type NodeStatusMonitor 

type NodeStatusMonitor struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

NodeStatusMonitor monitors the status of a server node. Status information is collected from event feeds provided by lower level components.

This structure contains collections of other StatusMonitor types which monitor interesting subsets of data on the node. NodeStatusMonitor is responsible for passing event feed data to these subset structures for accumulation.

func NewNodeStatusMonitor 

func NewNodeStatusMonitor() *NodeStatusMonitor

NewNodeStatusMonitor initializes a new NodeStatusMonitor instance.

func (*NodeStatusMonitor) GetStoreMonitor 

func (nsm *NodeStatusMonitor) GetStoreMonitor(id proto.StoreID) *StoreStatusMonitor

GetStoreMonitor is a helper method which retrieves the StoreStatusMonitor for the given StoreID, creating it if it does not already exist.

func (*NodeStatusMonitor) OnBeginScanRanges 

func (nsm *NodeStatusMonitor) OnBeginScanRanges(event *storage.BeginScanRangesEvent)

OnBeginScanRanges receives BeginScanRangesEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnCallError 

func (nsm *NodeStatusMonitor) OnCallError(event *CallErrorEvent)

OnCallError receives CallErrorEvents from a node event subscription. This method is part of the implementation of NodeEventListener.

func (*NodeStatusMonitor) OnCallSuccess 

func (nsm *NodeStatusMonitor) OnCallSuccess(event *CallSuccessEvent)

OnCallSuccess receives CallSuccessEvents from a node event subscription. This method is part of the implementation of NodeEventListener.

func (*NodeStatusMonitor) OnEndScanRanges 

func (nsm *NodeStatusMonitor) OnEndScanRanges(event *storage.EndScanRangesEvent)

OnEndScanRanges receives EndScanRangesEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnMergeRange 

func (nsm *NodeStatusMonitor) OnMergeRange(event *storage.MergeRangeEvent)

OnMergeRange receives MergeRangeEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnRegisterRange 

func (nsm *NodeStatusMonitor) OnRegisterRange(event *storage.RegisterRangeEvent)

OnRegisterRange receives RegisterRangeEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnRemoveRange 

func (nsm *NodeStatusMonitor) OnRemoveRange(event *storage.RemoveRangeEvent)

OnRemoveRange receives RemoveRangeEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnReplicationStatus 

func (nsm *NodeStatusMonitor) OnReplicationStatus(event *storage.ReplicationStatusEvent)

OnReplicationStatus receives ReplicationStatusEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnSplitRange 

func (nsm *NodeStatusMonitor) OnSplitRange(event *storage.SplitRangeEvent)

OnSplitRange receives SplitRangeEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnStartNode 

func (nsm *NodeStatusMonitor) OnStartNode(event *StartNodeEvent)

OnStartNode receives StartNodeEvents from a node event subscription. This method is part of the implementation of NodeEventListener.

func (*NodeStatusMonitor) OnStartStore 

func (nsm *NodeStatusMonitor) OnStartStore(event *storage.StartStoreEvent)

OnStartStore receives StartStoreEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnStoreStatus 

func (nsm *NodeStatusMonitor) OnStoreStatus(event *storage.StoreStatusEvent)

OnStoreStatus receives StoreStatusEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) OnTrace 

func (nsm *NodeStatusMonitor) OnTrace(trace *tracer.Trace)

OnTrace receives Trace objects from a node event subscription. This method is part of the implementation of NodeEventListener.

func (*NodeStatusMonitor) OnUpdateRange 

func (nsm *NodeStatusMonitor) OnUpdateRange(event *storage.UpdateRangeEvent)

OnUpdateRange receives UpdateRangeEvents retrieved from a storage event subscription. This method is part of the implementation of store.StoreEventListener.

func (*NodeStatusMonitor) StartMonitorFeed 

func (nsm *NodeStatusMonitor) StartMonitorFeed(feed *util.Feed)

StartMonitorFeed starts a goroutine which processes events published to the supplied Subscription. The goroutine will continue running until the Subscription's Events feed is closed.

type NodeStatusRecorder 

type NodeStatusRecorder struct {
	*NodeStatusMonitor
	// contains filtered or unexported fields
}

NodeStatusRecorder is used to periodically persist the status of a node as a set of time series data.

func NewNodeStatusRecorder 

func NewNodeStatusRecorder(monitor *NodeStatusMonitor, clock *hlc.Clock) *NodeStatusRecorder

NewNodeStatusRecorder instantiates a recorder for the supplied monitor.

func (*NodeStatusRecorder) GetStatusSummaries 

func (nsr *NodeStatusRecorder) GetStatusSummaries() (*NodeStatus, []storage.StoreStatus)

GetStatusSummaries returns a status summary messages for the node, along with a status summary for every individual store within the node.

func (*NodeStatusRecorder) GetTimeSeriesData 

func (nsr *NodeStatusRecorder) GetTimeSeriesData() []proto.TimeSeriesData

GetTimeSeriesData returns a slice of interesting TimeSeriesData from the encapsulated NodeStatusMonitor.

type RuntimeStatRecorder 

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

RuntimeStatRecorder is used to periodically persist useful runtime statistics as time series data. "Runtime statistics" include OS-level statistics (such as memory and CPU usage) and Go runtime statistics (e.g. count of Goroutines).

func NewRuntimeStatRecorder 

func NewRuntimeStatRecorder(nodeID proto.NodeID, clock *hlc.Clock) *RuntimeStatRecorder

NewRuntimeStatRecorder instantiates a runtime status recorder for the supplied node ID.

func (*RuntimeStatRecorder) GetTimeSeriesData 

func (rsr *RuntimeStatRecorder) GetTimeSeriesData() []proto.TimeSeriesData

GetTimeSeriesData returns a slice of TimeSeriesData updates based on current runtime statistics.

Calling this method will query various system packages for runtime statistics and convert the information to time series data. This is currently done in one method because it is convenient; however, in the future querying and recording can be easily separated, similar to the way that NodeStatus is separated into a monitor and a recorder.

type StartNodeEvent 

type StartNodeEvent struct {
	Desc      proto.NodeDescriptor
	StartedAt int64
}

StartNodeEvent is published when a node is started.

type StoreStatusMonitor 

type StoreStatusMonitor struct {
	ID proto.StoreID
	// contains filtered or unexported fields
}

StoreStatusMonitor monitors the status of a single store on the server. Status information is collected from event feeds provided by lower level components.

Source Files

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