config

package
Version: v0.2.1 Latest Latest
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Published: Jan 28, 2015 License: Apache-2.0 Imports: 31 Imported by: 0

Documentation

Overview

Reads the pod configuration from the Kubernetes apiserver.

Package config implements the pod configuration readers.

Reads the pod configuration from etcd using the Kubernetes etcd schema.

Reads the pod configuration from file or a directory of files.

Reads the pod configuration from an HTTP GET response.

Index

Constants

View Source
const (
	// PodConfigNotificationSnapshot delivers the full configuration as a SET whenever
	// any change occurs.
	PodConfigNotificationSnapshot = iota
	// PodConfigNotificationSnapshotAndUpdates delivers an UPDATE message whenever pods are
	// changed, and a SET message if there are any additions or removals.
	PodConfigNotificationSnapshotAndUpdates
	// PodConfigNotificationIncremental delivers ADD, UPDATE, and REMOVE to the update channel.
	PodConfigNotificationIncremental
)

Variables

This section is empty.

Functions

func EtcdKeyForHost

func EtcdKeyForHost(hostname string) string

func NewSourceApiserver added in v0.2.1

func NewSourceApiserver(client *client.Client, hostname string, updates chan<- interface{})

NewSourceApiserver creates a config source that watches and pulls from the apiserver.

func NewSourceEtcd

func NewSourceEtcd(key string, client tools.EtcdClient, updates chan<- interface{})

NewSourceEtcd creates a config source that watches and pulls from a key in etcd

func NewSourceFile

func NewSourceFile(path string, period time.Duration, updates chan<- interface{})

func NewSourceURL

func NewSourceURL(url string, period time.Duration, updates chan<- interface{})

Types

type PodConfig

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

PodConfig is a configuration mux that merges many sources of pod configuration into a single consistent structure, and then delivers incremental change notifications to listeners in order.

func NewPodConfig

func NewPodConfig(mode PodConfigNotificationMode) *PodConfig

NewPodConfig creates an object that can merge many configuration sources into a stream of normalized updates to a pod configuration.

func (*PodConfig) Channel

func (c *PodConfig) Channel(source string) chan<- interface{}

Channel creates or returns a config source channel. The channel only accepts PodUpdates

func (*PodConfig) IsSourceSeen added in v0.2.1

func (c *PodConfig) IsSourceSeen(source string) bool

IsSourceSeen returns true if the specified source string has previously been marked as seen.

func (*PodConfig) Sync

func (c *PodConfig) Sync()

Sync requests the full configuration be delivered to the update channel.

func (*PodConfig) Updates

func (c *PodConfig) Updates() <-chan kubelet.PodUpdate

Updates returns a channel of updates to the configuration, properly denormalized.

type PodConfigNotificationMode

type PodConfigNotificationMode int

PodConfigNotificationMode describes how changes are sent to the update channel.

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