k8s

package
v1.17.2 Latest Latest
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 Go to latest Published: Aug 26, 2021 License: Apache-2.0 Imports: 39 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func DefaultNamespace added in v1.7.0 

func DefaultNamespace(ns string) func(name *types.NamespacedName)

DefaultNamespace can be used with NamespacedNameFrom to set the default namespace for a resource name that may not be qualified by a namespace.

func DefaultResources added in v1.6.0 

func DefaultResources() []schema.GroupVersionResource

DefaultResources ...

func EndpointsResources added in v1.6.0 

func EndpointsResources() []schema.GroupVersionResource

EndpointsResources ...

func GatewayAPIResources added in v1.13.0 

func GatewayAPIResources() []schema.GroupVersionResource

GatewayAPIResources returns a list of Gateway API group/version resources.

func IngressV1Resources added in v1.13.0 

func IngressV1Resources() []schema.GroupVersionResource

func InitLogging added in v1.9.0 

func InitLogging(options ...LogOption)

InitLogging initializes the Kubernetes client-go logging subsystem.

func KindOf added in v1.1.0 

func KindOf(obj interface{}) string

KindOf returns the kind string for the given Kubernetes object.

The API machinery doesn't populate the metav1.TypeMeta field for objects, so we have to use a type assertion to detect kinds that we care about.

func NamespacedNameFrom added in v1.7.0 

func NamespacedNameFrom(nameStr string, opts ...func(*types.NamespacedName)) types.NamespacedName

NamespacedNameFrom parses a resource name string into a fully qualified NamespacedName.

func NamespacedNameOf added in v1.7.0 

func NamespacedNameOf(obj metav1.Object) types.NamespacedName

NamespacedNameOf returns the NamespacedName of any given Kubernetes object.

func NamespacesResource added in v1.14.0 

func NamespacesResource() schema.GroupVersionResource

NamespacesResource ...

func NewContourScheme added in v1.10.0 

func NewContourScheme() (*runtime.Scheme, error)

NewContourScheme returns a scheme that includes all the API types that Contour supports as well as the core Kubernetes API types from the default scheme.

func NewNamespaceFilter added in v1.10.0 

func NewNamespaceFilter(
	namespaces []string,
	next cache.ResourceEventHandler,
) cache.ResourceEventHandler

NewNamespaceFilter returns a cache.ResourceEventHandler that accepts only objects whose namespaces are included in the given slice of namespaces. Objects with matching namespaces are passed to the next handler.

func SecretsResources added in v1.6.0 

func SecretsResources() []schema.GroupVersionResource

SecretsResources ...

func ServicesResources added in v1.6.0 

func ServicesResources() []schema.GroupVersionResource

ServicesResources ...

func VersionOf added in v1.8.0 

func VersionOf(obj interface{}) string

VersionOf returns the GroupVersion string for the given Kubernetes object.

Types

type Clients added in v1.3.0 

type Clients struct {
	meta.RESTMapper
	// contains filtered or unexported fields
}

Clients holds the various API clients required by Contour.

func NewClients added in v1.3.0 

func NewClients(kubeconfig string, inCluster bool) (*Clients, error)

NewClients returns a new set of the various API clients required by Contour using the supplied kubeconfig path, or the cluster environment variables if inCluster is true.

func (*Clients) Cache added in v1.10.0 

func (c *Clients) Cache() client.Reader

func (*Clients) ClientSet added in v1.3.0 

func (c *Clients) ClientSet() *kubernetes.Clientset

ClientSet returns the Kubernetes Core v1 ClientSet.

func (*Clients) DynamicClient added in v1.3.0 

func (c *Clients) DynamicClient() dynamic.Interface

DynamicClient returns the dynamic client.

func (*Clients) InformerForResource added in v1.10.0 

func (c *Clients) InformerForResource(gvr schema.GroupVersionResource) (Informer, error)

func (*Clients) ResourcesExist added in v1.9.0 

func (c *Clients) ResourcesExist(gvr ...schema.GroupVersionResource) bool

ResourcesExist returns true if all of the GroupVersionResources passed exists in the cluster.

func (*Clients) StartInformers added in v1.10.0 

func (c *Clients) StartInformers(ctx context.Context) error

func (*Clients) WaitForCacheSync added in v1.10.0 

func (c *Clients) WaitForCacheSync(ctx context.Context) bool

type Converter added in v1.2.0 

type Converter interface {
	FromUnstructured(obj interface{}) (interface{}, error)
	ToUnstructured(obj interface{}) (*unstructured.Unstructured, error)
}

type DynamicClientHandler added in v1.2.0 

type DynamicClientHandler struct {

	// Next is the next handler in the chain.
	Next cache.ResourceEventHandler

	// Converter is the registered converter.
	Converter Converter

	Logger logrus.FieldLogger
}

DynamicClientHandler converts *unstructured.Unstructured from the k8s dynamic client to the types registered with the supplied Converter and forwards them to the next Handler in the chain.

func (*DynamicClientHandler) OnAdd added in v1.2.0 

func (d *DynamicClientHandler) OnAdd(obj interface{})

func (*DynamicClientHandler) OnDelete added in v1.2.0 

func (d *DynamicClientHandler) OnDelete(obj interface{})

func (*DynamicClientHandler) OnUpdate added in v1.2.0 

func (d *DynamicClientHandler) OnUpdate(oldObj, newObj interface{})

type Informer added in v1.10.0 

type Informer = cache.Informer

type LogOption added in v1.9.0 

type LogOption func(*klogParams)

func LogLevelOption added in v1.9.0 

func LogLevelOption(level int) LogOption

LogLevelOption creates an option to set the Kubernetes verbose log level (1 - 10 is the standard range).

func LogWriterOption added in v1.9.0 

func LogWriterOption(log *logrus.Entry) LogOption

LogWriterOption creates an option to set the Kubernetes logging output.

type ServiceStatusLoadBalancerWatcher added in v1.4.0 

type ServiceStatusLoadBalancerWatcher struct {
	ServiceName string
	LBStatus    chan v1.LoadBalancerStatus
	Log         logrus.FieldLogger
}

ServiceStatusLoadBalancerWatcher implements ResourceEventHandler and watches for changes to the status.loadbalancer field Note that we specifically *don't* inspect inside the struct, as sending empty values is desirable to clear the status.

func (*ServiceStatusLoadBalancerWatcher) OnAdd added in v1.4.0 

func (s *ServiceStatusLoadBalancerWatcher) OnAdd(obj interface{})

func (*ServiceStatusLoadBalancerWatcher) OnDelete added in v1.4.0 

func (s *ServiceStatusLoadBalancerWatcher) OnDelete(obj interface{})

func (*ServiceStatusLoadBalancerWatcher) OnUpdate added in v1.4.0 

func (s *ServiceStatusLoadBalancerWatcher) OnUpdate(oldObj, newObj interface{})

type StatusAddressUpdater added in v1.5.0 

type StatusAddressUpdater struct {
	Logger           logrus.FieldLogger
	LBStatus         v1.LoadBalancerStatus
	IngressClassName string
	StatusUpdater    StatusUpdater
	Converter        Converter
	// contains filtered or unexported fields
}

StatusAddressUpdater observes informer OnAdd and OnUpdate events and updates the ingress.status.loadBalancer field on all Ingress objects that match the ingress class (if used). Note that this is intended to handle updating the status.loadBalancer struct only, not more general status updates. That's a job for the StatusUpdater.

func (*StatusAddressUpdater) OnAdd added in v1.5.0 

func (s *StatusAddressUpdater) OnAdd(obj interface{})

OnAdd updates the given Ingress or HTTPProxy object with the current load balancer address. Note that this method can be called concurrently from an informer or from Contour itself.

func (*StatusAddressUpdater) OnDelete added in v1.5.0 

func (s *StatusAddressUpdater) OnDelete(obj interface{})

func (*StatusAddressUpdater) OnUpdate added in v1.5.0 

func (s *StatusAddressUpdater) OnUpdate(oldObj, newObj interface{})

func (*StatusAddressUpdater) Set added in v1.10.0 

func (s *StatusAddressUpdater) Set(status v1.LoadBalancerStatus)

Set updates the LBStatus field.

type StatusMutator added in v1.5.0 

type StatusMutator interface {
	Mutate(obj interface{}) interface{}
}

StatusMutator is an interface to hold mutator functions for status updates.

type StatusMutatorFunc added in v1.5.0 

type StatusMutatorFunc func(interface{}) interface{}

StatusMutatorFunc is a function adaptor for StatusMutators.

func (StatusMutatorFunc) Mutate added in v1.5.0 

func (m StatusMutatorFunc) Mutate(old interface{}) interface{}

Mutate adapts the StatusMutatorFunc to fit through the StatusMutator interface.

type StatusUpdate added in v1.5.0 

type StatusUpdate struct {
	NamespacedName types.NamespacedName
	Resource       schema.GroupVersionResource
	Mutator        StatusMutator
}

StatusUpdate contains an all the information needed to change an object's status to perform a specific update. Send down a channel to the goroutine that actually writes the changes back.

func NewStatusUpdate added in v1.9.0 

func NewStatusUpdate(name, namespace string, gvr schema.GroupVersionResource, mutator StatusMutator) StatusUpdate

type StatusUpdateCacher added in v1.5.0 

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

StatusUpdateCacher takes status updates and applies them to a cache, to be used for testing.

func (*StatusUpdateCacher) Add added in v1.9.0 

func (suc *StatusUpdateCacher) Add(name, namespace string, gvr schema.GroupVersionResource, obj interface{}) bool

func (*StatusUpdateCacher) Get added in v1.9.0 

func (suc *StatusUpdateCacher) Get(name, namespace string, gvr schema.GroupVersionResource) interface{}

Get allows retrieval of objects from the cache.

func (*StatusUpdateCacher) GetStatus added in v1.9.0 

func (suc *StatusUpdateCacher) GetStatus(obj interface{}) (*contour_api_v1.HTTPProxyStatus, error)

func (*StatusUpdateCacher) IsCacheable added in v1.9.0 

func (suc *StatusUpdateCacher) IsCacheable(obj interface{}) bool

IsCacheable returns whether this type of object can be stored in the status cache.

func (*StatusUpdateCacher) OnAdd added in v1.9.0 

func (suc *StatusUpdateCacher) OnAdd(obj interface{})

OnAdd adds an object to the status cache.

func (*StatusUpdateCacher) OnDelete added in v1.9.0 

func (suc *StatusUpdateCacher) OnDelete(obj interface{})

OnDelete removes an object from the status cache.

func (*StatusUpdateCacher) Send added in v1.9.0 

func (suc *StatusUpdateCacher) Send(su StatusUpdate)

type StatusUpdateHandler added in v1.5.0 

type StatusUpdateHandler struct {
	Log           logrus.FieldLogger
	Clients       *Clients
	UpdateChannel chan StatusUpdate
	LeaderElected chan struct{}
	IsLeader      bool
	Converter     *UnstructuredConverter
}

StatusUpdateHandler holds the details required to actually write an Update back to the referenced object.

func (*StatusUpdateHandler) Start added in v1.5.0 

func (suh *StatusUpdateHandler) Start(stop <-chan struct{}) error

Start runs the goroutine to perform status writes. Until the Contour is elected leader, will drop updates on the floor.

func (*StatusUpdateHandler) Writer added in v1.5.0 

func (suh *StatusUpdateHandler) Writer() StatusUpdater

Writer retrieves the interface that should be used to write to the StatusUpdateHandler.

type StatusUpdateWriter added in v1.5.0 

type StatusUpdateWriter struct {
	UpdateChannel chan StatusUpdate
}

StatusUpdateWriter takes status updates and sends these to the StatusUpdateHandler via a channel.

func (*StatusUpdateWriter) Send added in v1.9.0 

func (suw *StatusUpdateWriter) Send(update StatusUpdate)

Send sends the given StatusUpdate off to the update channel for writing by the StatusUpdateHandler.

type StatusUpdater added in v1.5.0 

type StatusUpdater interface {
	Send(su StatusUpdate)
}

StatusUpdater describes an interface to send status updates somewhere.

type UnstructuredConverter added in v1.2.0 

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

UnstructuredConverter handles conversions between unstructured.Unstructured and Contour types

func NewUnstructuredConverter added in v1.2.0 

func NewUnstructuredConverter() (*UnstructuredConverter, error)

NewUnstructuredConverter returns a new UnstructuredConverter initialized

func (*UnstructuredConverter) FromUnstructured added in v1.5.0 

func (c *UnstructuredConverter) FromUnstructured(obj interface{}) (interface{}, error)

FromUnstructured converts an unstructured.Unstructured to typed struct. If obj is not an unstructured.Unstructured it is returned without further processing.

func (*UnstructuredConverter) ToUnstructured added in v1.5.0 

func (c *UnstructuredConverter) ToUnstructured(obj interface{}) (*unstructured.Unstructured, error)

ToUnstructured converts the supplied object to Unstructured, provided it's one of the types registered in the UnstructuredConverter's Scheme.

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