namespaces

package
Version: v1.4.0 Latest Latest
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Published: Aug 17, 2020 License: Apache-2.0 Imports: 7 Imported by: 0

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Constants

View Source
const (
	// NamespaceEnvVar is the environment variable key name
	NamespaceEnvVar = "CONTAINERD_NAMESPACE"
	// Default is the name of the default namespace
	Default = "default"
)
View Source
const (
	// GRPCHeader defines the header name for specifying a containerd namespace.
	GRPCHeader = "containerd-namespace"
)
View Source
const (
	// TTRPCHeader defines the header name for specifying a containerd namespace
	TTRPCHeader = "containerd-namespace-ttrpc"
)

Variables

This section is empty.

Functions

func Namespace

func Namespace(ctx context.Context) (string, bool)

Namespace returns the namespace from the context.

The namespace is not guaranteed to be valid.

func NamespaceFromEnv

func NamespaceFromEnv(ctx context.Context) context.Context

NamespaceFromEnv uses the namespace defined in CONTAINERD_NAMESPACE or default

func NamespaceRequired

func NamespaceRequired(ctx context.Context) (string, error)

NamespaceRequired returns the valid namespace from the context or an error.

func WithNamespace

func WithNamespace(ctx context.Context, namespace string) context.Context

WithNamespace sets a given namespace on the context

Types

type DeleteInfo added in v1.3.0

type DeleteInfo struct {
	// Name of the namespace
	Name string
}

DeleteInfo specifies information for the deletion of a namespace

type DeleteOpts added in v1.3.0

type DeleteOpts func(context.Context, *DeleteInfo) error

DeleteOpts allows the caller to set options for namespace deletion

type Store

type Store interface {
	Create(ctx context.Context, namespace string, labels map[string]string) error
	Labels(ctx context.Context, namespace string) (map[string]string, error)
	SetLabel(ctx context.Context, namespace, key, value string) error
	List(ctx context.Context) ([]string, error)

	// Delete removes the namespace. The namespace must be empty to be deleted.
	Delete(ctx context.Context, namespace string, opts ...DeleteOpts) error
}

Store provides introspection about namespaces.

Note that these are slightly different than other objects, which are record oriented. A namespace is really just a name and a set of labels. Objects that belong to a namespace are returned when the namespace is assigned to a given context.

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