reconciler

package
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Published: Dec 19, 2018 License: Apache-2.0 Imports: 19 Imported by: 0

Documentation

Overview

Package reconciler defines implementations of the Reconciler interface defined at github.com/knative/pkg/controller.Reconciler. These implement the basic workhorse functionality of controllers, while leaving the shared controller implementation to manage things like the workqueue.

Despite defining a Reconciler, each of the packages here are expected to expose a controller constructor like:

func NewController(...) *controller.Impl { ... }

These constructors will:

  1. Construct the Reconciler,
  2. Construct a controller.Impl with that Reconciler,
  3. Wire the assorted informers this Reconciler watches to call appropriate enqueue methods on the controller.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GetK8sServiceFullname

func GetK8sServiceFullname(name string, namespace string) string

func GetServingK8SServiceNameForObj

func GetServingK8SServiceNameForObj(name string) string

func MustNewStatsReporter

func MustNewStatsReporter(reconciler string, logger *zap.SugaredLogger) controller.StatsReporter

MustNewStatsReporter creates a new instance of StatsReporter. Panics if creation fails.

Types

type Base

type Base struct {
	// KubeClientSet allows us to talk to the k8s for core APIs
	KubeClientSet kubernetes.Interface

	// SharedClientSet allows us to configure shared objects
	SharedClientSet sharedclientset.Interface

	// ServingClientSet allows us to configure Serving objects
	ServingClientSet clientset.Interface

	// DynamicClientSet allows us to configure pluggable Build objects
	DynamicClientSet dynamic.Interface

	// CachingClientSet allows us to instantiate Image objects
	CachingClientSet cachingclientset.Interface

	// ConfigMapWatcher allows us to watch for ConfigMap changes.
	ConfigMapWatcher configmap.Watcher

	// Recorder is an event recorder for recording Event resources to the
	// Kubernetes API.
	Recorder record.EventRecorder

	// Sugared logger is easier to use but is not as performant as the
	// raw logger. In performance critical paths, call logger.Desugar()
	// and use the returned raw logger instead. In addition to the
	// performance benefits, raw logger also preserves type-safety at
	// the expense of slightly greater verbosity.
	Logger *zap.SugaredLogger
}

Base implements the core controller logic, given a Reconciler.

func NewBase

func NewBase(opt Options, controllerAgentName string) *Base

NewBase instantiates a new instance of Base implementing the common & boilerplate code between our reconcilers.

type Callback added in v0.2.1

type Callback func(interface{})

func EnsureTypeMeta added in v0.2.1

func EnsureTypeMeta(f Callback, gvk schema.GroupVersionKind) Callback

TODO(mattmoor): Move this into knative/pkg/controller

type Options

type Options struct {
	KubeClientSet    kubernetes.Interface
	SharedClientSet  sharedclientset.Interface
	ServingClientSet clientset.Interface
	DynamicClientSet dynamic.Interface
	CachingClientSet cachingclientset.Interface

	ConfigMapWatcher configmap.Watcher
	Logger           *zap.SugaredLogger

	ResyncPeriod time.Duration
	StopChannel  <-chan struct{}
}

Options defines the common reconciler options. We define this to reduce the boilerplate argument list when creating our controllers.

func (Options) GetTrackerLease

func (o Options) GetTrackerLease() time.Duration

GetTrackerLease returns a multiple of the resync period to use as the duration for tracker leases. This attempts to ensure that resyncs happen to refresh leases frequently enough that we don't miss updates to tracked objects.

Directories

Path Synopsis
Package testing includes utilities for testing controllers.
Package testing includes utilities for testing controllers.
v1alpha1
autoscaling
Package autoscaling implements a kubernetes controller which tracks revisions and notifies a callback interface.
Package autoscaling implements a kubernetes controller which tracks revisions and notifies a callback interface.
clusteringress
Package clusteringress implements a kubernetes controller which tracks ClusterIngress resource and reconcile VirtualService as its child resource.
Package clusteringress implements a kubernetes controller which tracks ClusterIngress resource and reconcile VirtualService as its child resource.
clusteringress/resources
Package resources holds simple functions for synthesizing child resources from a ClusterIngress resource and any relevant ClusterIngress controller configuration.
Package resources holds simple functions for synthesizing child resources from a ClusterIngress resource and any relevant ClusterIngress controller configuration.
clusteringress/resources/names
Package names holds simple functions for synthesizing resource names.
Package names holds simple functions for synthesizing resource names.
configuration/config
+k8s:deepcopy-gen=package Package config holds the typed objects that define the schemas for assorted ConfigMap objects on which the Configuration controller depends.
+k8s:deepcopy-gen=package Package config holds the typed objects that define the schemas for assorted ConfigMap objects on which the Configuration controller depends.
configuration/resources
Package resources holds simple functions for synthesizing child resources from a Configuration resource and any relevant Configuration controller configuration.
Package resources holds simple functions for synthesizing child resources from a Configuration resource and any relevant Configuration controller configuration.
configuration/resources/names
Package names holds simple functions for synthesizing resource names.
Package names holds simple functions for synthesizing resource names.
labeler
Package labeler holds the logic that applies Route labels to Configurations to implement knative/serving#226.
Package labeler holds the logic that applies Route labels to Configurations to implement knative/serving#226.
revision/config
Package config holds the typed objects that define the schemas for assorted ConfigMap objects on which the Revision controller depends.
Package config holds the typed objects that define the schemas for assorted ConfigMap objects on which the Revision controller depends.
revision/resources
Package resources holds simple functions for synthesizing child resources from a Revision resource and any relevant Revision controller configuration.
Package resources holds simple functions for synthesizing child resources from a Revision resource and any relevant Revision controller configuration.
revision/resources/names
Package names holds simple functions for synthesizing resource names.
Package names holds simple functions for synthesizing resource names.
route
Package route implements a kubernetes controller which tracks Route resource and reconcile ClusterIngress as its child resource.
Package route implements a kubernetes controller which tracks Route resource and reconcile ClusterIngress as its child resource.
route/config
+k8s:deepcopy-gen=package Package config holds the typed objects that define the schemas for assorted ConfigMap objects on which the Route controller depends.
+k8s:deepcopy-gen=package Package config holds the typed objects that define the schemas for assorted ConfigMap objects on which the Route controller depends.
route/resources
Package resources holds simple functions for synthesizing child resources from a Route resource and any relevant Route controller configuration.
Package resources holds simple functions for synthesizing child resources from a Route resource and any relevant Route controller configuration.
route/resources/names
Package names holds simple functions for synthesizing resource names.
Package names holds simple functions for synthesizing resource names.
service/resources
Package resources holds simple functions for synthesizing child resources from a Service resource and any relevant Service controller configuration.
Package resources holds simple functions for synthesizing child resources from a Service resource and any relevant Service controller configuration.
service/resources/names
Package names holds simple functions for synthesizing resource names.
Package names holds simple functions for synthesizing resource names.

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