consulagent

package
v1.6.2-0...-b66c343 Latest Latest
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Published: Apr 2, 2024 License: AGPL-3.0 Imports: 19 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source
var (
	// DefaultSDConfig is the default Consul SD configuration.
	DefaultSDConfig = SDConfig{
		TagSeparator:    ",",
		Scheme:          "http",
		Server:          "localhost:8500",
		AllowStale:      true,
		RefreshInterval: model.Duration(30 * time.Second),
	}
)

Functions

This section is empty.

Types

type Discovery

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

Discovery retrieves target information from a Consul server and updates them via watches.

func NewDiscovery

func NewDiscovery(conf *SDConfig, logger log.Logger, metrics discovery.DiscovererMetrics) (*Discovery, error)

NewDiscovery returns a new Discovery for the given config.

func (*Discovery) Run

func (d *Discovery) Run(ctx context.Context, ch chan<- []*targetgroup.Group)

Run implements the Discoverer interface.

type SDConfig

type SDConfig struct {
	Server       string        `yaml:"server,omitempty"`
	Token        config.Secret `yaml:"token,omitempty"`
	Datacenter   string        `yaml:"datacenter,omitempty"`
	TagSeparator string        `yaml:"tag_separator,omitempty"`
	Scheme       string        `yaml:"scheme,omitempty"`
	Username     string        `yaml:"username,omitempty"`
	Password     config.Secret `yaml:"password,omitempty"`

	// See https://www.consul.io/docs/internals/consensus.html#consistency-modes,
	// stale reads are a lot cheaper and are a necessity if you have >5k targets.
	AllowStale bool `yaml:"allow_stale"`
	// By default use blocking queries (https://www.consul.io/api/index.html#blocking-queries)
	// but allow users to throttle updates if necessary. This can be useful because of "bugs" like
	// https://github.com/hashicorp/consul/issues/3712 which cause an un-necessary
	// amount of requests on consul.
	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`

	// See https://www.consul.io/api/catalog.html#list-services
	// The list of services for which targets are discovered.
	// Defaults to all services if empty.
	Services []string `yaml:"services,omitempty"`
	// A list of tags used to filter instances inside a service. Services must contain all tags in the list.
	ServiceTags []string `yaml:"tags,omitempty"`
	// Desired node metadata.
	NodeMeta map[string]string `yaml:"node_meta,omitempty"`

	TLSConfig config.TLSConfig `yaml:"tls_config,omitempty"`
}

SDConfig is the configuration for Consul service discovery.

func (*SDConfig) Name

func (*SDConfig) Name() string

Name returns the name of the Config.

func (*SDConfig) NewDiscoverer

func (c *SDConfig) NewDiscoverer(opts discovery.DiscovererOptions) (discovery.Discoverer, error)

NewDiscoverer returns a Discoverer for the Config.

func (*SDConfig) NewDiscovererMetrics

NewDiscovererMetrics implements discovery.Config.

func (*SDConfig) SetDirectory

func (c *SDConfig) SetDirectory(dir string)

SetDirectory joins any relative file paths with dir.

func (*SDConfig) UnmarshalYAML

func (c *SDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML implements the yaml.Unmarshaler interface.

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