structs

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 Go to latest Published: May 8, 2018 License: MPL-2.0 Imports: 15 Imported by: 0

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Constants

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Variables

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Functions

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Types

type AllocBroadcaster added in v0.6.0 

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

AllocBroadcaster implements an allocation broadcast channel. The zero value is a usable unbuffered channel.

func NewAllocBroadcaster added in v0.6.0 

func NewAllocBroadcaster(n int) *AllocBroadcaster

NewAllocBroadcaster returns a new AllocBroadcaster with the given capacity (0 means unbuffered).

func (*AllocBroadcaster) Close added in v0.6.0 

func (b *AllocBroadcaster) Close()

Close closes the channel, disabling the sending of further messages.

func (*AllocBroadcaster) Listen added in v0.6.0 

func (b *AllocBroadcaster) Listen() *AllocListener

Listen returns a Listener for the broadcast channel.

func (*AllocBroadcaster) Send added in v0.6.0 

func (b *AllocBroadcaster) Send(v *structs.Allocation) bool

Send broadcasts a message to the channel. Send returns whether the message was sent to all channels.

type AllocFileInfo 

type AllocFileInfo struct {
	Name     string
	IsDir    bool
	Size     int64
	FileMode string
	ModTime  time.Time
}

AllocFileInfo holds information about a file inside the AllocDir

func (*AllocFileInfo) CodecDecodeSelf 

func (x *AllocFileInfo) CodecDecodeSelf(d *codec1978.Decoder)

func (*AllocFileInfo) CodecEncodeSelf 

func (x *AllocFileInfo) CodecEncodeSelf(e *codec1978.Encoder)

type AllocListener added in v0.6.0 

type AllocListener struct {
	// Ch receives the broadcast messages.
	Ch <-chan *structs.Allocation
	// contains filtered or unexported fields
}

AllocListener implements a listening endpoint for an allocation broadcast channel.

func (*AllocListener) Close added in v0.6.0 

func (l *AllocListener) Close()

Close closes the Listener, disabling the receival of further messages.

type AllocResourceUsage 

type AllocResourceUsage struct {
	// ResourceUsage is the summation of the task resources
	ResourceUsage *ResourceUsage

	// Tasks contains the resource usage of each task
	Tasks map[string]*TaskResourceUsage

	// The max timestamp of all the Tasks
	Timestamp int64
}

AllocResourceUsage holds the aggregated task resource usage of the allocation.

func (*AllocResourceUsage) CodecDecodeSelf 

func (x *AllocResourceUsage) CodecDecodeSelf(d *codec1978.Decoder)

func (*AllocResourceUsage) CodecEncodeSelf 

func (x *AllocResourceUsage) CodecEncodeSelf(e *codec1978.Encoder)

type AllocStatsRequest 

type AllocStatsRequest struct {
	// AllocID is the allocation to retrieves stats for
	AllocID string

	// Task is an optional filter to only request stats for the task.
	Task string

	structs.QueryOptions
}

AllocStatsRequest is used to request the resource usage of a given allocation, potentially filtering by task

func (*AllocStatsRequest) CodecDecodeSelf 

func (x *AllocStatsRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*AllocStatsRequest) CodecEncodeSelf 

func (x *AllocStatsRequest) CodecEncodeSelf(e *codec1978.Encoder)

type AllocStatsResponse 

type AllocStatsResponse struct {
	Stats *AllocResourceUsage
	structs.QueryMeta
}

AllocStatsResponse is used to return the resource usage of a given allocation.

func (*AllocStatsResponse) CodecDecodeSelf 

func (x *AllocStatsResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*AllocStatsResponse) CodecEncodeSelf 

func (x *AllocStatsResponse) CodecEncodeSelf(e *codec1978.Encoder)

type ClientStatsResponse 

type ClientStatsResponse struct {
	HostStats *stats.HostStats
	structs.QueryMeta
}

ClientStatsResponse is used to return statistics about a node.

func (*ClientStatsResponse) CodecDecodeSelf 

func (x *ClientStatsResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*ClientStatsResponse) CodecEncodeSelf 

func (x *ClientStatsResponse) CodecEncodeSelf(e *codec1978.Encoder)

type CpuStats 

type CpuStats struct {
	SystemMode       float64
	UserMode         float64
	TotalTicks       float64
	ThrottledPeriods uint64
	ThrottledTime    uint64
	Percent          float64

	// A list of fields whose values were actually sampled
	Measured []string
}

CpuStats holds cpu usage related stats

func (*CpuStats) Add 

func (cs *CpuStats) Add(other *CpuStats)

func (*CpuStats) CodecDecodeSelf 

func (x *CpuStats) CodecDecodeSelf(d *codec1978.Decoder)

func (*CpuStats) CodecEncodeSelf 

func (x *CpuStats) CodecEncodeSelf(e *codec1978.Encoder)

type DriverNetwork added in v0.6.0 

type DriverNetwork struct {
	// PortMap can be set by drivers to replace ports in environment
	// variables with driver-specific mappings.
	PortMap map[string]int

	// IP is the IP address for the task created by the driver.
	IP string

	// AutoAdvertise indicates whether the driver thinks services that
	// choose to auto-advertise-addresses should use this IP instead of the
	// host's. eg If a Docker network plugin is used
	AutoAdvertise bool
}

DriverNetwork is the network created by driver's (eg Docker's bridge network) during Prestart.

func (*DriverNetwork) Advertise added in v0.6.0 

func (d *DriverNetwork) Advertise() bool

Advertise returns true if the driver suggests using the IP set. May be called on a nil Network in which case it returns false.

func (*DriverNetwork) CodecDecodeSelf 

func (x *DriverNetwork) CodecDecodeSelf(d *codec1978.Decoder)

func (*DriverNetwork) CodecEncodeSelf 

func (x *DriverNetwork) CodecEncodeSelf(e *codec1978.Encoder)

func (*DriverNetwork) Copy added in v0.6.0 

func (d *DriverNetwork) Copy() *DriverNetwork

Copy a DriverNetwork struct. If it is nil, nil is returned.

func (*DriverNetwork) Hash added in v0.6.0 

func (d *DriverNetwork) Hash() []byte

Hash the contents of a DriverNetwork struct to detect changes. If it is nil, an empty slice is returned.

type FSIsolation added in v0.5.3 

type FSIsolation int

FSIsolation is an enumeration to describe what kind of filesystem isolation a driver supports. 

const (
	// FSIsolationNone means no isolation. The host filesystem is used.
	FSIsolationNone FSIsolation = 0

	// FSIsolationChroot means the driver will use a chroot on the host
	// filesystem.
	FSIsolationChroot FSIsolation = 1

	// FSIsolationImage means the driver uses an image.
	FSIsolationImage FSIsolation = 2
)

func (*FSIsolation) CodecDecodeSelf 

func (x *FSIsolation) CodecDecodeSelf(d *codec1978.Decoder)

func (FSIsolation) CodecEncodeSelf 

func (x FSIsolation) CodecEncodeSelf(e *codec1978.Encoder)

func (FSIsolation) String added in v0.5.3 

func (f FSIsolation) String() string

type FingerprintRequest 

type FingerprintRequest struct {
	Config *config.Config
	Node   *structs.Node
}

FingerprintRequest is a request which a fingerprinter accepts to fingerprint the node

func (*FingerprintRequest) CodecDecodeSelf 

func (x *FingerprintRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*FingerprintRequest) CodecEncodeSelf 

func (x *FingerprintRequest) CodecEncodeSelf(e *codec1978.Encoder)

type FingerprintResponse 

type FingerprintResponse struct {
	Attributes map[string]string
	Links      map[string]string
	Resources  *structs.Resources

	// Detected is a boolean indicating whether the fingerprinter detected
	// if the resource was available
	Detected bool
}

FingerprintResponse is the response which a fingerprinter annotates with the results of the fingerprint method

func (*FingerprintResponse) AddAttribute 

func (f *FingerprintResponse) AddAttribute(name, value string)

AddAttribute adds the name and value for a node attribute to the fingerprint response 

func (f *FingerprintResponse) AddLink(name, value string)

AddLink adds a link entry to the fingerprint response

func (*FingerprintResponse) CodecDecodeSelf 

func (x *FingerprintResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*FingerprintResponse) CodecEncodeSelf 

func (x *FingerprintResponse) CodecEncodeSelf(e *codec1978.Encoder)

func (*FingerprintResponse) RemoveAttribute 

func (f *FingerprintResponse) RemoveAttribute(name string)

RemoveAttribute sets the given attribute to empty, which will later remove it entirely from the node 

func (f *FingerprintResponse) RemoveLink(name string)

RemoveLink removes a link entry from the fingerprint response. This will later remove it entirely from the node

type FsListRequest 

type FsListRequest struct {
	// AllocID is the allocation to list from
	AllocID string

	// Path is the path to list
	Path string

	structs.QueryOptions
}

FsListRequest is used to list an allocation's directory.

func (*FsListRequest) CodecDecodeSelf 

func (x *FsListRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*FsListRequest) CodecEncodeSelf 

func (x *FsListRequest) CodecEncodeSelf(e *codec1978.Encoder)

type FsListResponse 

type FsListResponse struct {
	// Files are the result of listing a directory.
	Files []*AllocFileInfo

	structs.QueryMeta
}

FsListResponse is used to return the listings of an allocation's directory.

func (*FsListResponse) CodecDecodeSelf 

func (x *FsListResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*FsListResponse) CodecEncodeSelf 

func (x *FsListResponse) CodecEncodeSelf(e *codec1978.Encoder)

type FsLogsRequest 

type FsLogsRequest struct {
	// AllocID is the allocation to stream logs from
	AllocID string

	// Task is the task to stream logs from
	Task string

	// LogType indicates whether "stderr" or "stdout" should be streamed
	LogType string

	// Offset is the offset to start streaming data at.
	Offset int64

	// Origin can either be "start" or "end" and determines where the offset is
	// applied.
	Origin string

	// PlainText disables base64 encoding.
	PlainText bool

	// Follow follows logs.
	Follow bool

	structs.QueryOptions
}

FsLogsRequest is the initial request for accessing allocation logs.

func (*FsLogsRequest) CodecDecodeSelf 

func (x *FsLogsRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*FsLogsRequest) CodecEncodeSelf 

func (x *FsLogsRequest) CodecEncodeSelf(e *codec1978.Encoder)

type FsStatRequest 

type FsStatRequest struct {
	// AllocID is the allocation to stat the file in
	AllocID string

	// Path is the path to list
	Path string

	structs.QueryOptions
}

FsStatRequest is used to stat a file

func (*FsStatRequest) CodecDecodeSelf 

func (x *FsStatRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*FsStatRequest) CodecEncodeSelf 

func (x *FsStatRequest) CodecEncodeSelf(e *codec1978.Encoder)

type FsStatResponse 

type FsStatResponse struct {
	// Info is the result of stating a file
	Info *AllocFileInfo

	structs.QueryMeta
}

FsStatResponse is used to return the stat results of a file

func (*FsStatResponse) CodecDecodeSelf 

func (x *FsStatResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*FsStatResponse) CodecEncodeSelf 

func (x *FsStatResponse) CodecEncodeSelf(e *codec1978.Encoder)

type FsStreamRequest 

type FsStreamRequest struct {
	// AllocID is the allocation to stream logs from
	AllocID string

	// Path is the path to the file to stream
	Path string

	// Offset is the offset to start streaming data at.
	Offset int64

	// Origin can either be "start" or "end" and determines where the offset is
	// applied.
	Origin string

	// PlainText disables base64 encoding.
	PlainText bool

	// Limit is the number of bytes to read
	Limit int64

	// Follow follows the file.
	Follow bool

	structs.QueryOptions
}

FsStreamRequest is the initial request for streaming the content of a file.

func (*FsStreamRequest) CodecDecodeSelf 

func (x *FsStreamRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*FsStreamRequest) CodecEncodeSelf 

func (x *FsStreamRequest) CodecEncodeSelf(e *codec1978.Encoder)

type HealthCheckIntervalRequest 

type HealthCheckIntervalRequest struct{}

func (*HealthCheckIntervalRequest) CodecDecodeSelf 

func (x *HealthCheckIntervalRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*HealthCheckIntervalRequest) CodecEncodeSelf 

func (x *HealthCheckIntervalRequest) CodecEncodeSelf(e *codec1978.Encoder)

type HealthCheckIntervalResponse 

type HealthCheckIntervalResponse struct {
	Eligible bool
	Period   time.Duration
}

func (*HealthCheckIntervalResponse) CodecDecodeSelf 

func (x *HealthCheckIntervalResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*HealthCheckIntervalResponse) CodecEncodeSelf 

func (x *HealthCheckIntervalResponse) CodecEncodeSelf(e *codec1978.Encoder)

type HealthCheckRequest 

type HealthCheckRequest struct{}

HealthCheckRequest is the request type for a type that fulfils the Health Check interface

func (*HealthCheckRequest) CodecDecodeSelf 

func (x *HealthCheckRequest) CodecDecodeSelf(d *codec1978.Decoder)

func (*HealthCheckRequest) CodecEncodeSelf 

func (x *HealthCheckRequest) CodecEncodeSelf(e *codec1978.Encoder)

type HealthCheckResponse 

type HealthCheckResponse struct {
	// Drivers is a map of driver names to current driver information
	Drivers map[string]*structs.DriverInfo
}

HealthCheckResponse is the response type for a type that fulfills the Health Check interface

func (*HealthCheckResponse) AddDriverInfo 

func (h *HealthCheckResponse) AddDriverInfo(name string, driverInfo *structs.DriverInfo)

AddDriverInfo adds information about a driver to the fingerprint response. If the Drivers field has not yet been initialized, it does so here.

func (*HealthCheckResponse) CodecDecodeSelf 

func (x *HealthCheckResponse) CodecDecodeSelf(d *codec1978.Decoder)

func (*HealthCheckResponse) CodecEncodeSelf 

func (x *HealthCheckResponse) CodecEncodeSelf(e *codec1978.Encoder)

type MemoryStats 

type MemoryStats struct {
	RSS            uint64
	Cache          uint64
	Swap           uint64
	MaxUsage       uint64
	KernelUsage    uint64
	KernelMaxUsage uint64

	// A list of fields whose values were actually sampled
	Measured []string
}

MemoryStats holds memory usage related stats

func (*MemoryStats) Add 

func (ms *MemoryStats) Add(other *MemoryStats)

func (*MemoryStats) CodecDecodeSelf 

func (x *MemoryStats) CodecDecodeSelf(d *codec1978.Decoder)

func (*MemoryStats) CodecEncodeSelf 

func (x *MemoryStats) CodecEncodeSelf(e *codec1978.Encoder)

type ResourceUsage 

type ResourceUsage struct {
	MemoryStats *MemoryStats
	CpuStats    *CpuStats
}

ResourceUsage holds information related to cpu and memory stats

func (*ResourceUsage) Add 

func (ru *ResourceUsage) Add(other *ResourceUsage)

func (*ResourceUsage) CodecDecodeSelf 

func (x *ResourceUsage) CodecDecodeSelf(d *codec1978.Decoder)

func (*ResourceUsage) CodecEncodeSelf 

func (x *ResourceUsage) CodecEncodeSelf(e *codec1978.Encoder)

type RpcError 

type RpcError struct {
	Message string
	Code    *int64
}

RpcError is used for serializing errors with a potential error code

func NewRpcError 

func NewRpcError(err error, code *int64) *RpcError

func (*RpcError) CodecDecodeSelf 

func (x *RpcError) CodecDecodeSelf(d *codec1978.Decoder)

func (*RpcError) CodecEncodeSelf 

func (x *RpcError) CodecEncodeSelf(e *codec1978.Encoder)

func (*RpcError) Error 

func (r *RpcError) Error() string

type StreamErrWrapper 

type StreamErrWrapper struct {
	// Error stores any error that may have occurred.
	Error *RpcError

	// Payload is the payload
	Payload []byte
}

StreamErrWrapper is used to serialize output of a stream of a file or logs.

func (*StreamErrWrapper) CodecDecodeSelf 

func (x *StreamErrWrapper) CodecDecodeSelf(d *codec1978.Decoder)

func (*StreamErrWrapper) CodecEncodeSelf 

func (x *StreamErrWrapper) CodecEncodeSelf(e *codec1978.Encoder)

type TaskResourceUsage 

type TaskResourceUsage struct {
	ResourceUsage *ResourceUsage
	Timestamp     int64
	Pids          map[string]*ResourceUsage
}

TaskResourceUsage holds aggregated resource usage of all processes in a Task and the resource usage of the individual pids

func (*TaskResourceUsage) CodecDecodeSelf 

func (x *TaskResourceUsage) CodecDecodeSelf(d *codec1978.Decoder)

func (*TaskResourceUsage) CodecEncodeSelf 

func (x *TaskResourceUsage) CodecEncodeSelf(e *codec1978.Encoder)

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