retrieval

package
Version: v2.1.0+incompatible Latest Latest
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Published: Jan 19, 2018 License: Apache-2.0 Imports: 33 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Appendable

type Appendable interface {
	Appender() (storage.Appender, error)
}

Appendable returns an Appender.

type ScrapeManager

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

ScrapeManager maintains a set of scrape pools and manages start/stop cycles when receiving new target groups form the discovery manager.

func NewScrapeManager

func NewScrapeManager(logger log.Logger, app Appendable) *ScrapeManager

NewScrapeManager is the ScrapeManager constructor

func (*ScrapeManager) ApplyConfig

func (m *ScrapeManager) ApplyConfig(cfg *config.Config) error

ApplyConfig resets the manager's target providers and job configurations as defined by the new cfg.

func (*ScrapeManager) Run

func (m *ScrapeManager) Run(tsets <-chan map[string][]*targetgroup.Group) error

Run starts background processing to handle target updates and reload the scraping loops.

func (*ScrapeManager) Stop

func (m *ScrapeManager) Stop()

Stop cancels all running scrape pools and blocks until all have exited.

func (*ScrapeManager) TargetMap

func (m *ScrapeManager) TargetMap() map[string][]*Target

TargetMap returns map of active and dropped targets and their corresponding scrape config job name.

func (*ScrapeManager) Targets

func (m *ScrapeManager) Targets() []*Target

Targets returns the targets currently being scraped.

type Target

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

Target refers to a singular HTTP or HTTPS endpoint.

func NewTarget

func NewTarget(labels, discoveredLabels labels.Labels, params url.Values) *Target

NewTarget creates a reasonably configured target for querying.

func (*Target) DiscoveredLabels added in v1.5.0

func (t *Target) DiscoveredLabels() labels.Labels

DiscoveredLabels returns a copy of the target's labels before any processing.

func (*Target) Health

func (t *Target) Health() TargetHealth

Health returns the last known health state of the target.

func (*Target) Labels

func (t *Target) Labels() labels.Labels

Labels returns a copy of the set of all public labels of the target.

func (*Target) LastError

func (t *Target) LastError() error

LastError returns the error encountered during the last scrape.

func (*Target) LastScrape

func (t *Target) LastScrape() time.Time

LastScrape returns the time of the last scrape.

func (*Target) String

func (t *Target) String() string

func (*Target) URL

func (t *Target) URL() *url.URL

URL returns a copy of the target's URL.

type TargetHealth

type TargetHealth string

TargetHealth describes the health state of a target.

const (
	HealthUnknown TargetHealth = "unknown"
	HealthGood    TargetHealth = "up"
	HealthBad     TargetHealth = "down"
)

The possible health states of a target based on the last performed scrape.

type Targets

type Targets []*Target

Targets is a sortable list of targets.

func (Targets) Len

func (ts Targets) Len() int

func (Targets) Less

func (ts Targets) Less(i, j int) bool

func (Targets) Swap

func (ts Targets) Swap(i, j int)

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