discovery

package
v1.3.1 Latest Latest
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Published: Aug 23, 2024 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var MaxUpdateFrequency = 5 * time.Second

MaxUpdateFrequency is the minimum time to wait between updating targets. Prometheus uses a static threshold. Do not recommend changing this, except for tests.

Functions

func NewFromConvertibleConfig added in v1.2.0

func NewFromConvertibleConfig[T ConvertibleConfig](opts component.Options, conf T) (component.Component, error)

NewFromConvertibleConfig creates a discovery component given a ConvertibleConfig. Convenience function for New.

Types

type Component

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

Component is a reusable component for any discovery implementation. it will handle dynamic updates and exporting targets appropriately for a scrape implementation.

func New

func New(o component.Options, args component.Arguments, creator Creator) (*Component, error)

New creates a discovery component given arguments and a concrete Discovery implementation function.

func (*Component) Run

func (c *Component) Run(ctx context.Context) error

Run implements component.Component.

func (*Component) Update

func (c *Component) Update(args component.Arguments) error

Update implements component.Component.

type ConvertibleConfig added in v1.2.0

type ConvertibleConfig interface {
	// Convert converts the struct into a DiscovererConfig.
	Convert() DiscovererConfig
}

ConvertibleConfig is used to more conveniently convert a configuration struct into a DiscovererConfig.

type Creator

type Creator func(component.Arguments) (DiscovererConfig, error)

Creator is a function provided by an implementation to create a concrete DiscovererConfig instance.

type DiscovererConfig added in v1.2.0

type DiscovererConfig discovery.Config

DiscovererConfig is an alias for Prometheus' DiscovererConfig interface, so users of this package don't need to import github.com/prometheus/prometheus/discover as well.

type DiscovererWithMetrics added in v1.2.0

type DiscovererWithMetrics interface {
	promdiscovery.Discoverer
	promdiscovery.DiscovererMetrics
}

func NewDiscovererWithMetrics added in v1.2.0

func NewDiscovererWithMetrics(cfg promdiscovery.Config, reg prometheus.Registerer, logger log.Logger) (DiscovererWithMetrics, error)

type DistributedTargets

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

DistributedTargets uses the node's Lookup method to distribute discovery targets when a component runs in a cluster.

func NewDistributedTargets

func NewDistributedTargets(clusteringEnabled bool, cluster cluster.Cluster, allTargets []Target) *DistributedTargets

NewDistributedTargets creates the abstraction that allows components to dynamically shard targets between components.

func (*DistributedTargets) LocalTargets added in v1.2.0

func (dt *DistributedTargets) LocalTargets() []Target

LocalTargets returns the targets that belong to the local cluster node.

func (*DistributedTargets) MovedToRemoteInstance added in v1.2.0

func (dt *DistributedTargets) MovedToRemoteInstance(prev *DistributedTargets) []Target

MovedToRemoteInstance returns the set of local targets from prev that are no longer local in dt, indicating an active target has moved. Only targets which exist in both prev and dt are returned. If prev contains an empty list of targets, no targets are returned.

type Exports

type Exports struct {
	Targets []Target `alloy:"targets,attr"`
}

Exports holds values which are exported by all discovery components.

type Target

type Target map[string]string

Target refers to a singular discovered endpoint found by a discovery component.

func (Target) Labels

func (t Target) Labels() labels.Labels

Labels converts Target into a set of sorted labels.

func (Target) NonMetaLabels

func (t Target) NonMetaLabels() labels.Labels

Directories

Path Synopsis
Package docker implements the discovery.docker component.
Package docker implements the discovery.docker component.
Package gce implements the discovery.gce component.
Package gce implements the discovery.gce component.
Package kubelet implements a discovery.kubelet component.
Package kubelet implements a discovery.kubelet component.
Package kubernetes implements a discovery.kubernetes component.
Package kubernetes implements a discovery.kubernetes component.

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