metadata

Documentation

Index

• func CanonicalMeta(ctx context.Context, name string) (string, bool)
• func MinioMetaFromContext(ctx context.Context, forEvents ...bool) (md map[string]string, ok bool)
• func NewBackgroundWithMetaCopy(ctx context.Context) context.Context
• func NewBackgroundWithUserKey(userName string) context.Context
• func NewContext(ctx context.Context, md map[string]string) context.Context
• func WithAdditionalMetadata(ctx context.Context, meta map[string]string) context.Context
• func WithUserNameMetadata(ctx context.Context, userName string) context.Context
• type Metadata
  • func FromContextCopy(ctx context.Context) (Metadata, bool)
  • func FromContextRead(ctx context.Context) (Metadata, bool)

Functions

func CanonicalMeta

func CanonicalMeta(ctx context.Context, name string) (string, bool)

CanonicalMeta extract header name or its lowercase version

func MinioMetaFromContext

func MinioMetaFromContext(ctx context.Context, forEvents ...bool) (md map[string]string, ok bool)

MinioMetaFromContext prepares metadata for minio client. If forEvents is passed, it replies with the complete set of metadata

func NewBackgroundWithMetaCopy

func NewBackgroundWithMetaCopy(ctx context.Context) context.Context

func NewBackgroundWithUserKey

func NewBackgroundWithUserKey(userName string) context.Context

func NewContext

func NewContext(ctx context.Context, md map[string]string) context.Context

func WithAdditionalMetadata

func WithAdditionalMetadata(ctx context.Context, meta map[string]string) context.Context

WithAdditionalMetadata retrieves existing meta, adds new key/values to the map and produces a new context It enforces case-conflicts on all keys

func WithUserNameMetadata

func WithUserNameMetadata(ctx context.Context, userName string) context.Context

WithUserNameMetadata appends a username to both the context metadata and as context key.

Types

type Metadata

type Metadata map[string]string

func FromContextCopy

func FromContextCopy(ctx context.Context) (Metadata, bool)

FromContextCopy returns as COPY of the internal metadata, that can be subsequently modified

func FromContextRead

func FromContextRead(ctx context.Context) (Metadata, bool)

FromContextRead returns internal metadata as is. Beware of not modifying it to avoid r/w concurrent access, in that case you must use FromContextCopy instead.