models

package
v1.15.0 Latest Latest
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 Go to latest Published: Jul 22, 2020 License: MIT Imports: 10 Imported by: 8

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Index

Constants

View Source 
const (
	// Default size of metrics batch size.
	DEFAULT_METRIC_BATCH_SIZE = 1000

	// Default number of metrics kept. It should be a multiple of batch size.
	DEFAULT_METRIC_BUFFER_LIMIT = 10000
)

Variables

View Source 
var (
	AgentMetricsWritten = selfstat.Register("agent", "metrics_written", map[string]string{})
	AgentMetricsDropped = selfstat.Register("agent", "metrics_dropped", map[string]string{})
)
View Source 
var (
	GlobalMetricsGathered = selfstat.Register("agent", "metrics_gathered", map[string]string{})
	GlobalGatherErrors    = selfstat.Register("agent", "gather_errors", map[string]string{})
)

Functions

This section is empty.

Types

type AggregatorConfig 

type AggregatorConfig struct {
	Name         string
	Alias        string
	DropOriginal bool
	Period       time.Duration
	Delay        time.Duration
	Grace        time.Duration

	NameOverride      string
	MeasurementPrefix string
	MeasurementSuffix string
	Tags              map[string]string
	Filter            Filter
}

AggregatorConfig is the common config for all aggregators.

type Buffer 

type Buffer struct {
	sync.Mutex

	MetricsAdded   selfstat.Stat
	MetricsWritten selfstat.Stat
	MetricsDropped selfstat.Stat
	BufferSize     selfstat.Stat
	BufferLimit    selfstat.Stat
	// contains filtered or unexported fields
}

Buffer stores metrics in a circular buffer.

func NewBuffer 

func NewBuffer(name string, alias string, capacity int) *Buffer

NewBuffer returns a new empty Buffer with the given capacity.

func (*Buffer) Accept 

func (b *Buffer) Accept(batch []telegraf.Metric)

Accept marks the batch, acquired from Batch(), as successfully written.

func (*Buffer) Add 

func (b *Buffer) Add(metrics ...telegraf.Metric) int

Add adds metrics to the buffer and returns number of dropped metrics.

func (*Buffer) Batch 

func (b *Buffer) Batch(batchSize int) []telegraf.Metric

Batch returns a slice containing up to batchSize of the oldest metrics not yet dropped. Metrics are ordered from oldest to newest in the batch. The batch must not be modified by the client.

func (*Buffer) Len 

func (b *Buffer) Len() int

Len returns the number of metrics currently in the buffer.

func (*Buffer) Reject 

func (b *Buffer) Reject(batch []telegraf.Metric)

Reject returns the batch, acquired from Batch(), to the buffer and marks it as unsent.

type Filter 

type Filter struct {
	NameDrop []string

	NamePass []string

	FieldDrop []string

	FieldPass []string

	TagDrop []TagFilter
	TagPass []TagFilter

	TagExclude []string

	TagInclude []string
	// contains filtered or unexported fields
}

Filter containing drop/pass and tagdrop/tagpass rules

func (*Filter) Compile 

func (f *Filter) Compile() error

Compile all Filter lists into filter.Filter objects.

func (*Filter) IsActive 

func (f *Filter) IsActive() bool

IsActive checking if filter is active

func (*Filter) Modify 

func (f *Filter) Modify(metric telegraf.Metric)

Modify removes any tags and fields from the metric according to the fieldpass/fielddrop and taginclude/tagexclude filters.

func (*Filter) Select 

func (f *Filter) Select(metric telegraf.Metric) bool

Select returns true if the metric matches according to the namepass/namedrop and tagpass/tagdrop filters. The metric is not modified.

type InputConfig 

type InputConfig struct {
	Name             string
	Alias            string
	Interval         time.Duration
	CollectionJitter time.Duration
	Precision        time.Duration

	NameOverride      string
	MeasurementPrefix string
	MeasurementSuffix string
	Tags              map[string]string
	Filter            Filter
}

InputConfig is the common config for all inputs.

type Logger 

type Logger struct {
	OnErrs []func()
	Name   string // Name is the plugin name, will be printed in the `[]`.
}

Logger defines a logging structure for plugins.

func NewLogger 

func NewLogger(pluginType, name, alias string) *Logger

NewLogger creates a new logger instance

func (*Logger) Debug 

func (l *Logger) Debug(args ...interface{})

Debug logs a debug message, patterned after log.Print.

func (*Logger) Debugf 

func (l *Logger) Debugf(format string, args ...interface{})

Debugf logs a debug message, patterned after log.Printf.

func (*Logger) Error 

func (l *Logger) Error(args ...interface{})

Error logs an error message, patterned after log.Print.

func (*Logger) Errorf 

func (l *Logger) Errorf(format string, args ...interface{})

Errorf logs an error message, patterned after log.Printf.

func (*Logger) Info 

func (l *Logger) Info(args ...interface{})

Info logs an information message, patterned after log.Print.

func (*Logger) Infof 

func (l *Logger) Infof(format string, args ...interface{})

Infof logs an information message, patterned after log.Printf.

func (*Logger) OnErr 

func (l *Logger) OnErr(f func())

OnErr defines a callback that triggers only when errors are about to be written to the log

func (*Logger) Warn 

func (l *Logger) Warn(args ...interface{})

Warn logs a warning message, patterned after log.Print.

func (*Logger) Warnf 

func (l *Logger) Warnf(format string, args ...interface{})

Warnf logs a warning message, patterned after log.Printf.

type OutputConfig 

type OutputConfig struct {
	Name   string
	Alias  string
	Filter Filter

	FlushInterval     time.Duration
	FlushJitter       time.Duration
	MetricBufferLimit int
	MetricBatchSize   int

	NameOverride string
	NamePrefix   string
	NameSuffix   string
}

OutputConfig containing name and filter

type ProcessorConfig 

type ProcessorConfig struct {
	Name   string
	Alias  string
	Order  int64
	Filter Filter
}

FilterConfig containing a name and filter

type RunningAggregator 

type RunningAggregator struct {
	sync.Mutex
	Aggregator telegraf.Aggregator
	Config     *AggregatorConfig

	MetricsPushed   selfstat.Stat
	MetricsFiltered selfstat.Stat
	MetricsDropped  selfstat.Stat
	PushTime        selfstat.Stat
	// contains filtered or unexported fields
}

func NewRunningAggregator 

func NewRunningAggregator(aggregator telegraf.Aggregator, config *AggregatorConfig) *RunningAggregator

func (*RunningAggregator) Add 

func (r *RunningAggregator) Add(m telegraf.Metric) bool

Add a metric to the aggregator and return true if the original metric should be dropped.

func (*RunningAggregator) EndPeriod 

func (r *RunningAggregator) EndPeriod() time.Time

func (*RunningAggregator) Init 

func (r *RunningAggregator) Init() error

func (*RunningAggregator) Log 

func (r *RunningAggregator) Log() telegraf.Logger

func (*RunningAggregator) LogName 

func (r *RunningAggregator) LogName() string

func (*RunningAggregator) MakeMetric 

func (r *RunningAggregator) MakeMetric(metric telegraf.Metric) telegraf.Metric

func (*RunningAggregator) Period 

func (r *RunningAggregator) Period() time.Duration

func (*RunningAggregator) Push 

func (r *RunningAggregator) Push(acc telegraf.Accumulator)

func (*RunningAggregator) UpdateWindow 

func (r *RunningAggregator) UpdateWindow(start, until time.Time)

type RunningInput 

type RunningInput struct {
	Input  telegraf.Input
	Config *InputConfig

	MetricsGathered selfstat.Stat
	GatherTime      selfstat.Stat
	// contains filtered or unexported fields
}

func NewRunningInput 

func NewRunningInput(input telegraf.Input, config *InputConfig) *RunningInput

func (*RunningInput) Gather 

func (r *RunningInput) Gather(acc telegraf.Accumulator) error

func (*RunningInput) Init 

func (r *RunningInput) Init() error

func (*RunningInput) Log 

func (r *RunningInput) Log() telegraf.Logger

func (*RunningInput) LogName 

func (r *RunningInput) LogName() string

func (*RunningInput) MakeMetric 

func (r *RunningInput) MakeMetric(metric telegraf.Metric) telegraf.Metric

func (*RunningInput) SetDefaultTags 

func (r *RunningInput) SetDefaultTags(tags map[string]string)

type RunningOutput 

type RunningOutput struct {
	Output            telegraf.Output
	Config            *OutputConfig
	MetricBufferLimit int
	MetricBatchSize   int

	MetricsFiltered selfstat.Stat
	WriteTime       selfstat.Stat

	BatchReady chan time.Time
	// contains filtered or unexported fields
}

RunningOutput contains the output configuration

func NewRunningOutput 

func NewRunningOutput(
	name string,
	output telegraf.Output,
	config *OutputConfig,
	batchSize int,
	bufferLimit int,
) *RunningOutput

func (*RunningOutput) AddMetric 

func (ro *RunningOutput) AddMetric(metric telegraf.Metric)

AddMetric adds a metric to the output.

Takes ownership of metric

func (*RunningOutput) BufferLength 

func (r *RunningOutput) BufferLength() int

func (*RunningOutput) Close 

func (r *RunningOutput) Close()

Close closes the output

func (*RunningOutput) Init 

func (r *RunningOutput) Init() error

func (*RunningOutput) Log 

func (r *RunningOutput) Log() telegraf.Logger

func (*RunningOutput) LogBufferStatus 

func (r *RunningOutput) LogBufferStatus()

func (*RunningOutput) LogName 

func (r *RunningOutput) LogName() string

func (*RunningOutput) Write 

func (ro *RunningOutput) Write() error

Write writes all metrics to the output, stopping when all have been sent on or error.

func (*RunningOutput) WriteBatch 

func (ro *RunningOutput) WriteBatch() error

WriteBatch writes a single batch of metrics to the output.

type RunningProcessor 

type RunningProcessor struct {
	sync.Mutex

	Processor telegraf.StreamingProcessor
	Config    *ProcessorConfig
	// contains filtered or unexported fields
}

func NewRunningProcessor 

func NewRunningProcessor(processor telegraf.StreamingProcessor, config *ProcessorConfig) *RunningProcessor

func (*RunningProcessor) Add 

func (r *RunningProcessor) Add(m telegraf.Metric, acc telegraf.Accumulator) error

func (*RunningProcessor) Init 

func (r *RunningProcessor) Init() error

func (*RunningProcessor) Log 

func (r *RunningProcessor) Log() telegraf.Logger

func (*RunningProcessor) LogName 

func (r *RunningProcessor) LogName() string

func (*RunningProcessor) MakeMetric 

func (r *RunningProcessor) MakeMetric(metric telegraf.Metric) telegraf.Metric

func (*RunningProcessor) Start 

func (r *RunningProcessor) Start(acc telegraf.Accumulator) error

func (*RunningProcessor) Stop 

func (r *RunningProcessor) Stop()

type RunningProcessors 

type RunningProcessors []*RunningProcessor

func (RunningProcessors) Len 

func (rp RunningProcessors) Len() int

func (RunningProcessors) Less 

func (rp RunningProcessors) Less(i, j int) bool

func (RunningProcessors) Swap 

func (rp RunningProcessors) Swap(i, j int)

type TagFilter 

type TagFilter struct {
	Name   string
	Filter []string
	// contains filtered or unexported fields
}

TagFilter is the name of a tag, and the values on which to filter

Source Files

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