retrieval

package
v2.0.0-alpha.2+incompa... Latest Latest
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Published: May 24, 2017 License: Apache-2.0 Imports: 31 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewHTTPClient added in v1.1.1

func NewHTTPClient(cfg config.HTTPClientConfig) (*http.Client, error)

NewHTTPClient returns a new HTTP client configured for the given scrape configuration.

Types

type Appendable

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

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 TargetManager

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

TargetManager maintains a set of targets, starts and stops their scraping and creates the new targets based on the target groups it receives from various target providers.

func NewTargetManager

func NewTargetManager(app Appendable) *TargetManager

NewTargetManager creates a new TargetManager.

func (*TargetManager) ApplyConfig

func (tm *TargetManager) ApplyConfig(cfg *config.Config) error

ApplyConfig resets the manager's target providers and job configurations as defined by the new cfg. The state of targets that are valid in the new configuration remains unchanged.

func (*TargetManager) Run

func (tm *TargetManager) Run()

Run starts background processing to handle target updates.

func (*TargetManager) Stop

func (tm *TargetManager) Stop()

Stop all background processing.

func (*TargetManager) Targets added in v1.5.0

func (tm *TargetManager) Targets() []*Target

Targets returns the targets currently being scraped.

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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