storage

package
v1.6.7 Latest Latest
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 Go to latest Published: Jul 5, 2017 License: Apache-2.0 Imports: 10 Imported by: 0

Documentation

Overview

Package storage contains the plumbing to setup the etcd storage of the apiserver.

Index

Constants

View Source 
const AllResources = "*"

Variables

This section is empty.

Functions

func NewStorageCodec 

func NewStorageCodec(opts StorageCodecConfig) (runtime.Codec, error)

NewStorageCodec assembles a storage codec for the provided storage media type, the provided serializer, and the requested storage and memory versions.

Types

type APIResourceConfigSource 

type APIResourceConfigSource interface {
	AnyVersionOfResourceEnabled(resource schema.GroupResource) bool
	ResourceEnabled(resource schema.GroupVersionResource) bool
	AllResourcesForVersionEnabled(version schema.GroupVersion) bool
	AnyResourcesForVersionEnabled(version schema.GroupVersion) bool
	AnyResourcesForGroupEnabled(group string) bool
}

APIResourceConfigSource is the interface to determine which versions and resources are enabled

type DefaultResourceEncodingConfig 

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

func NewDefaultResourceEncodingConfig 

func NewDefaultResourceEncodingConfig(registry *registered.APIRegistrationManager) *DefaultResourceEncodingConfig

func (*DefaultResourceEncodingConfig) InMemoryEncodingFor 

func (o *DefaultResourceEncodingConfig) InMemoryEncodingFor(resource schema.GroupResource) (schema.GroupVersion, error)

func (*DefaultResourceEncodingConfig) SetResourceEncoding 

func (o *DefaultResourceEncodingConfig) SetResourceEncoding(resourceBeingStored schema.GroupResource, externalEncodingVersion, internalVersion schema.GroupVersion)

func (*DefaultResourceEncodingConfig) SetVersionEncoding 

func (o *DefaultResourceEncodingConfig) SetVersionEncoding(group string, externalEncodingVersion, internalVersion schema.GroupVersion)

func (*DefaultResourceEncodingConfig) StorageEncodingFor 

func (o *DefaultResourceEncodingConfig) StorageEncodingFor(resource schema.GroupResource) (schema.GroupVersion, error)

type DefaultStorageFactory 

type DefaultStorageFactory struct {
	// StorageConfig describes how to create a storage backend in general.
	// Its authentication information will be used for every storage.Interface returned.
	StorageConfig storagebackend.Config

	Overrides map[schema.GroupResource]groupResourceOverrides

	DefaultResourcePrefixes map[schema.GroupResource]string

	// DefaultMediaType is the media type used to store resources. If it is not set, "application/json" is used.
	DefaultMediaType string

	// DefaultSerializer is used to create encoders and decoders for the storage.Interface.
	DefaultSerializer runtime.StorageSerializer

	// ResourceEncodingConfig describes how to encode a particular GroupVersionResource
	ResourceEncodingConfig ResourceEncodingConfig

	// APIResourceConfigSource indicates whether the *storage* is enabled, NOT the API
	// This is discrete from resource enablement because those are separate concerns.  How this source is configured
	// is left to the caller.
	APIResourceConfigSource APIResourceConfigSource
	// contains filtered or unexported fields
}

DefaultStorageFactory takes a GroupResource and returns back its storage interface. This result includes: 1. Merged etcd config, including: auth, server locations, prefixes 2. Resource encodings for storage: group,version,kind to store as 3. Cohabitating default: some resources like hpa are exposed through multiple APIs. They must agree on 1 and 2

func NewDefaultStorageFactory 

func NewDefaultStorageFactory(config storagebackend.Config, defaultMediaType string, defaultSerializer runtime.StorageSerializer, resourceEncodingConfig ResourceEncodingConfig, resourceConfig APIResourceConfigSource) *DefaultStorageFactory

func (*DefaultStorageFactory) AddCohabitatingResources 

func (s *DefaultStorageFactory) AddCohabitatingResources(groupResources ...schema.GroupResource)

AddCohabitatingResources links resources together the order of the slice matters! its the priority order of lookup for finding a storage location

func (*DefaultStorageFactory) AddSerializationChains 

func (s *DefaultStorageFactory) AddSerializationChains(encoderDecoratorFn func(runtime.Encoder) runtime.Encoder, decoderDecoratorFn func([]runtime.Decoder) []runtime.Decoder, groupResources ...schema.GroupResource)

func (*DefaultStorageFactory) Backends 

func (s *DefaultStorageFactory) Backends() []string

Get all backends for all registered storage destinations. Used for getting all instances for health validations.

func (*DefaultStorageFactory) NewConfig 

func (s *DefaultStorageFactory) NewConfig(groupResource schema.GroupResource) (*storagebackend.Config, error)

New finds the storage destination for the given group and resource. It will return an error if the group has no storage destination configured.

func (*DefaultStorageFactory) ResourcePrefix 

func (s *DefaultStorageFactory) ResourcePrefix(groupResource schema.GroupResource) string

func (*DefaultStorageFactory) SetEtcdLocation 

func (s *DefaultStorageFactory) SetEtcdLocation(groupResource schema.GroupResource, location []string)

func (*DefaultStorageFactory) SetEtcdPrefix 

func (s *DefaultStorageFactory) SetEtcdPrefix(groupResource schema.GroupResource, prefix string)

func (*DefaultStorageFactory) SetResourceEtcdPrefix 

func (s *DefaultStorageFactory) SetResourceEtcdPrefix(groupResource schema.GroupResource, prefix string)

SetResourceEtcdPrefix sets the prefix for a resource, but not the base-dir. You'll end up in `etcdPrefix/resourceEtcdPrefix`.

func (*DefaultStorageFactory) SetSerializer 

func (s *DefaultStorageFactory) SetSerializer(groupResource schema.GroupResource, mediaType string, serializer runtime.StorageSerializer)

type GroupResourceEncodingConfig 

type GroupResourceEncodingConfig struct {
	DefaultExternalEncoding   schema.GroupVersion
	ExternalResourceEncodings map[string]schema.GroupVersion

	DefaultInternalEncoding   schema.GroupVersion
	InternalResourceEncodings map[string]schema.GroupVersion
}

type GroupVersionResourceConfig 

type GroupVersionResourceConfig struct {
	// Whether to enable or disable this entire group version.  This dominates any enablement check.
	// Enable=true means the group version is enabled, and EnabledResources/DisabledResources are considered.
	// Enable=false means the group version is disabled, and EnabledResources/DisabledResources are not considered.
	Enable bool

	// DisabledResources lists the resources that are specifically disabled for a group/version
	// DisabledResources trumps EnabledResources
	DisabledResources sets.String

	// EnabledResources lists the resources that should be enabled by default.  This is a little
	// unusual, but we need it for compatibility with old code for now.  An empty set means
	// enable all, a non-empty set means that all other resources are disabled.
	EnabledResources sets.String
}

Specifies the overrides for various API group versions. This can be used to enable/disable entire group versions or specific resources.

func NewGroupVersionResourceConfig 

func NewGroupVersionResourceConfig() *GroupVersionResourceConfig

type ResourceConfig 

type ResourceConfig struct {
	GroupVersionResourceConfigs map[schema.GroupVersion]*GroupVersionResourceConfig
}

func NewResourceConfig 

func NewResourceConfig() *ResourceConfig

func (*ResourceConfig) AllResourcesForVersionEnabled 

func (o *ResourceConfig) AllResourcesForVersionEnabled(version schema.GroupVersion) bool

func (*ResourceConfig) AnyResourcesForGroupEnabled 

func (o *ResourceConfig) AnyResourcesForGroupEnabled(group string) bool

func (*ResourceConfig) AnyResourcesForVersionEnabled 

func (o *ResourceConfig) AnyResourcesForVersionEnabled(version schema.GroupVersion) bool

func (*ResourceConfig) AnyVersionOfResourceEnabled 

func (o *ResourceConfig) AnyVersionOfResourceEnabled(resource schema.GroupResource) bool

AnyResourcesForVersionEnabled only considers matches based on exactly group/resource lexical matching. This means that resource renames across versions are NOT considered to be the same resource by this method. You'll need to manually check using the ResourceEnabled function.

func (*ResourceConfig) DisableResources 

func (o *ResourceConfig) DisableResources(resources ...schema.GroupVersionResource)

func (*ResourceConfig) DisableVersions 

func (o *ResourceConfig) DisableVersions(versions ...schema.GroupVersion)

DisableVersions disables the versions entirely. No resources (even those whitelisted in EnabledResources) will be enabled

func (*ResourceConfig) EnableResources 

func (o *ResourceConfig) EnableResources(resources ...schema.GroupVersionResource)

func (*ResourceConfig) EnableVersions 

func (o *ResourceConfig) EnableVersions(versions ...schema.GroupVersion)

func (*ResourceConfig) ResourceEnabled 

func (o *ResourceConfig) ResourceEnabled(resource schema.GroupVersionResource) bool

type ResourceEncodingConfig 

type ResourceEncodingConfig interface {
	// StorageEncoding returns the serialization format for the resource.
	// TODO this should actually return a GroupVersionKind since you can logically have multiple "matching" Kinds
	// For now, it returns just the GroupVersion for consistency with old behavior
	StorageEncodingFor(schema.GroupResource) (schema.GroupVersion, error)

	// InMemoryEncodingFor returns the groupVersion for the in memory representation the storage should convert to.
	InMemoryEncodingFor(schema.GroupResource) (schema.GroupVersion, error)
}

type StorageCodecConfig 

type StorageCodecConfig struct {
	StorageMediaType  string
	StorageSerializer runtime.StorageSerializer
	StorageVersion    schema.GroupVersion
	MemoryVersion     schema.GroupVersion
	Config            storagebackend.Config

	EncoderDecoratorFn func(runtime.Encoder) runtime.Encoder
	DecoderDecoratorFn func([]runtime.Decoder) []runtime.Decoder
}

StorageCodecConfig are the arguments passed to newStorageCodecFn

type StorageFactory 

type StorageFactory interface {
	// New finds the storage destination for the given group and resource. It will
	// return an error if the group has no storage destination configured.
	NewConfig(groupResource schema.GroupResource) (*storagebackend.Config, error)

	// ResourcePrefix returns the overridden resource prefix for the GroupResource
	// This allows for cohabitation of resources with different native types and provides
	// centralized control over the shape of etcd directories
	ResourcePrefix(groupResource schema.GroupResource) string

	// Backends gets all backends for all registered storage destinations.
	// Used for getting all instances for health validations.
	Backends() []string
}

StorageFactory is the interface to locate the storage for a given GroupResource

Source Files

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