resource

package
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Published: Apr 23, 2019 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Overview

Package resource contains core abstract types for representing configuration resources.

Index

Constants

This section is empty.

Variables

View Source
var (
	// FullSyncEvent is a special event representing a FullSync.
	FullSyncEvent = Event{Kind: FullSync}
)

Functions

This section is empty.

Types

type Annotations

type Annotations map[string]string

Annotations are a map of string keys and values that can be used by source and sink to communicate arbitrary metadata about this resource.

type Collection

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

Collection of the resource.

func (Collection) String

func (t Collection) String() string

String interface method implementation.

type Entry

type Entry struct {
	Metadata Metadata
	ID       VersionedKey
	Item     proto.Message
}

Entry is the abstract representation of a versioned config resource in Istio.

func (*Entry) IsEmpty

func (r *Entry) IsEmpty() bool

IsEmpty returns true if the resource Entry.Item is nil.

type Event

type Event struct {
	Kind EventKind

	// A single entry, in case the event is Added, Updated or Deleted.
	Entry Entry
}

Event represents a change that occurred against a resource in the source config system.

func (Event) String

func (e Event) String() string

String implements Stringer.String

type EventHandler

type EventHandler func(event Event)

EventHandler function.

type EventKind

type EventKind int

EventKind is the type of an event.

const (
	// None is a sentinel value. Should not be used.
	None EventKind = iota

	// Added indicates that a new resource has been added.
	Added

	// Updated indicates that an existing resource has been updated.
	Updated

	// Deleted indicates an existing resource has been deleted.
	Deleted

	// FullSync indicates that the initial state of the store has been published as a series of Added events.
	// Events after FullSync are actual change events that the source-store has encountered.
	FullSync
)

func (EventKind) String

func (k EventKind) String() string

String implements Stringer.String

type FullName

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

FullName of the resource. It is unique within a given set of resource of the same collection.

func FullNameFromNamespaceAndName

func FullNameFromNamespaceAndName(namespace, name string) FullName

FullNameFromNamespaceAndName returns a FullName from namespace and name.

func (FullName) InterpretAsNamespaceAndName

func (n FullName) InterpretAsNamespaceAndName() (string, string)

InterpretAsNamespaceAndName tries to split the name as namespace and name

func (FullName) String

func (n FullName) String() string

String inteface implementation.

type Info

type Info struct {
	// Collection of the resource that this info is about
	Collection Collection

	TypeURL TypeURL
	// contains filtered or unexported fields
}

Info is the type metadata for an Entry.

func (*Info) NewProtoInstance

func (i *Info) NewProtoInstance() proto.Message

NewProtoInstance returns a new instance of the underlying proto for this resource.

func (*Info) String

func (i *Info) String() string

String interface method implementation.

type Key

type Key struct {
	// Collection of the resource.
	Collection Collection

	// Fully qualified name of the resource.
	FullName FullName
}

Key uniquely identifies a (mutable) config resource in the config space.

func (Key) String

func (k Key) String() string

String interface method implementation.

type Labels

type Labels map[string]string

Labels are a map of string keys and values that can be used to organize and categorize resources within a collection.

type Metadata

type Metadata struct {
	CreateTime  time.Time
	Labels      Labels
	Annotations Annotations
}

type Schema

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

Schema contains metadata about configuration resources.

func (*Schema) All

func (s *Schema) All() []Info

All returns all known info objects

func (*Schema) Collections

func (s *Schema) Collections() []string

Collections returns all known collections.

func (*Schema) Get

func (s *Schema) Get(collection string) Info

Get looks up a resource.Info by its collection. Panics if it is not found.

func (*Schema) Lookup

func (s *Schema) Lookup(collection string) (Info, bool)

Lookup looks up a resource.Info by its collection.

type SchemaBuilder

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

SchemaBuilder is a buidler for the schema type.

func NewSchemaBuilder

func NewSchemaBuilder() *SchemaBuilder

NewSchemaBuilder returns a new instance of SchemaBuilder.

func (*SchemaBuilder) Build

func (b *SchemaBuilder) Build() *Schema

Build a new schema from this SchemaBuilder.

func (*SchemaBuilder) Register

func (b *SchemaBuilder) Register(rawCollection, rawTypeURL string) Info

Register a proto into the schema.

func (*SchemaBuilder) RegisterInfo

func (b *SchemaBuilder) RegisterInfo(info Info) *SchemaBuilder

Register a proto into the schema.

func (*SchemaBuilder) RegisterSchema

func (b *SchemaBuilder) RegisterSchema(schema *Schema) *SchemaBuilder

Register all protos in the given Schema

func (*SchemaBuilder) UnregisterInfo

func (b *SchemaBuilder) UnregisterInfo(info Info) *SchemaBuilder

Unregister a proto from the schema.

func (*SchemaBuilder) UnregisterSchema

func (b *SchemaBuilder) UnregisterSchema(schema *Schema) *SchemaBuilder

Unregister all protos in the given Schema

type TypeURL

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

TypeURL of the resource.

func (TypeURL) MessageName

func (t TypeURL) MessageName() string

MessageName portion of the type URL.

func (TypeURL) String

func (t TypeURL) String() string

String interface method implementation.

type Version

type Version string

Version is the version identifier of a resource.

type VersionedKey

type VersionedKey struct {
	Key
	Version Version
}

VersionedKey uniquely identifies a snapshot of a config resource in the config space.

func (VersionedKey) String

func (k VersionedKey) String() string

String interface method implementation.

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