contenthash

Documentation

Overview

Package contenthash is a generated protocol buffer package.

It is generated from these files:

checksum.proto

It has these top-level messages:

CacheRecord
CacheRecordWithPath
CacheRecords

Index

• Variables
• func Checksum(ctx context.Context, ref cache.ImmutableRef, path string) (digest.Digest, error)
• func NewFileHash(path string, fi os.FileInfo) (hash.Hash, error)
• func NewFromStat(stat *fsutil.Stat) (hash.Hash, error)
• func SetCacheContext(ctx context.Context, md *metadata.StorageItem, cc CacheContext) error
• func WriteV1TarsumHeaders(h *tar.Header, w io.Writer)
• type CacheContext
  • func GetCacheContext(ctx context.Context, md *metadata.StorageItem) (CacheContext, error)
• type CacheRecord
  • func (*CacheRecord) Descriptor() ([]byte, []int)
  • func (m *CacheRecord) GetLinkname() string
  • func (m *CacheRecord) GetType() CacheRecordType
  • func (m *CacheRecord) Marshal() (dAtA []byte, err error)
  • func (m *CacheRecord) MarshalTo(dAtA []byte) (int, error)
  • func (*CacheRecord) ProtoMessage()
  • func (m *CacheRecord) Reset()
  • func (m *CacheRecord) Size() (n int)
  • func (m *CacheRecord) String() string
  • func (m *CacheRecord) Unmarshal(dAtA []byte) error
• type CacheRecordType
  • func (CacheRecordType) EnumDescriptor() ([]byte, []int)
  • func (x CacheRecordType) String() string
• type CacheRecordWithPath
  • func (*CacheRecordWithPath) Descriptor() ([]byte, []int)
  • func (m *CacheRecordWithPath) GetPath() string
  • func (m *CacheRecordWithPath) GetRecord() *CacheRecord
  • func (m *CacheRecordWithPath) Marshal() (dAtA []byte, err error)
  • func (m *CacheRecordWithPath) MarshalTo(dAtA []byte) (int, error)
  • func (*CacheRecordWithPath) ProtoMessage()
  • func (m *CacheRecordWithPath) Reset()
  • func (m *CacheRecordWithPath) Size() (n int)
  • func (m *CacheRecordWithPath) String() string
  • func (m *CacheRecordWithPath) Unmarshal(dAtA []byte) error
• type CacheRecords
  • func (*CacheRecords) Descriptor() ([]byte, []int)
  • func (m *CacheRecords) GetPaths() []*CacheRecordWithPath
  • func (m *CacheRecords) Marshal() (dAtA []byte, err error)
  • func (m *CacheRecords) MarshalTo(dAtA []byte) (int, error)
  • func (*CacheRecords) ProtoMessage()
  • func (m *CacheRecords) Reset()
  • func (m *CacheRecords) Size() (n int)
  • func (m *CacheRecords) String() string
  • func (m *CacheRecords) Unmarshal(dAtA []byte) error
• type Hashed

Variables

var (
	ErrInvalidLengthChecksum = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowChecksum   = fmt.Errorf("proto: integer overflow")
)

var CacheRecordType_name = map[int32]string{
	0: "FILE",
	1: "DIR",
	2: "DIR_HEADER",
	3: "SYMLINK",
}

var CacheRecordType_value = map[string]int32{
	"FILE":       0,
	"DIR":        1,
	"DIR_HEADER": 2,
	"SYMLINK":    3,
}

Functions

func Checksum

func Checksum(ctx context.Context, ref cache.ImmutableRef, path string) (digest.Digest, error)

func NewFileHash

func NewFileHash(path string, fi os.FileInfo) (hash.Hash, error)

NewFileHash returns new hash that is used for the builder cache keys

func NewFromStat

func NewFromStat(stat *fsutil.Stat) (hash.Hash, error)

func SetCacheContext

func SetCacheContext(ctx context.Context, md *metadata.StorageItem, cc CacheContext) error

func WriteV1TarsumHeaders

func WriteV1TarsumHeaders(h *tar.Header, w io.Writer)

WriteV1TarsumHeaders writes a tar header to a writer in V1 tarsum format.

Types

type CacheContext

type CacheContext interface {
	Checksum(ctx context.Context, ref cache.Mountable, p string) (digest.Digest, error)
	HandleChange(kind fsutil.ChangeKind, p string, fi os.FileInfo, err error) error
}

func GetCacheContext

func GetCacheContext(ctx context.Context, md *metadata.StorageItem) (CacheContext, error)

type CacheRecord

type CacheRecord struct {
	Digest   github_com_opencontainers_go_digest.Digest `protobuf:"bytes,1,opt,name=digest,proto3,customtype=github.com/opencontainers/go-digest.Digest" json:"digest"`
	Type     CacheRecordType                            `protobuf:"varint,2,opt,name=type,proto3,enum=contenthash.CacheRecordType" json:"type,omitempty"`
	Linkname string                                     `protobuf:"bytes,3,opt,name=linkname,proto3" json:"linkname,omitempty"`
}

func (*CacheRecord) Descriptor

func (*CacheRecord) Descriptor() ([]byte, []int)

func (*CacheRecord) GetLinkname

func (m *CacheRecord) GetLinkname() string

func (*CacheRecord) GetType

func (m *CacheRecord) GetType() CacheRecordType

func (*CacheRecord) Marshal

func (m *CacheRecord) Marshal() (dAtA []byte, err error)

func (*CacheRecord) MarshalTo

func (m *CacheRecord) MarshalTo(dAtA []byte) (int, error)

func (*CacheRecord) ProtoMessage

func (*CacheRecord) ProtoMessage()

func (*CacheRecord) Reset

func (m *CacheRecord) Reset()

func (*CacheRecord) Size

func (m *CacheRecord) Size() (n int)

func (*CacheRecord) String

func (m *CacheRecord) String() string

func (*CacheRecord) Unmarshal

func (m *CacheRecord) Unmarshal(dAtA []byte) error

type CacheRecordType

type CacheRecordType int32

const (
	CacheRecordTypeFile      CacheRecordType = 0
	CacheRecordTypeDir       CacheRecordType = 1
	CacheRecordTypeDirHeader CacheRecordType = 2
	CacheRecordTypeSymlink   CacheRecordType = 3
)

func (CacheRecordType) EnumDescriptor

func (CacheRecordType) EnumDescriptor() ([]byte, []int)

func (CacheRecordType) String

func (x CacheRecordType) String() string

type CacheRecordWithPath

type CacheRecordWithPath struct {
	Path   string       `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
	Record *CacheRecord `protobuf:"bytes,2,opt,name=record" json:"record,omitempty"`
}

func (*CacheRecordWithPath) Descriptor

func (*CacheRecordWithPath) Descriptor() ([]byte, []int)

func (*CacheRecordWithPath) GetPath

func (m *CacheRecordWithPath) GetPath() string

func (*CacheRecordWithPath) GetRecord

func (m *CacheRecordWithPath) GetRecord() *CacheRecord

func (*CacheRecordWithPath) Marshal

func (m *CacheRecordWithPath) Marshal() (dAtA []byte, err error)

func (*CacheRecordWithPath) MarshalTo

func (m *CacheRecordWithPath) MarshalTo(dAtA []byte) (int, error)

func (*CacheRecordWithPath) ProtoMessage

func (*CacheRecordWithPath) ProtoMessage()

func (*CacheRecordWithPath) Reset

func (m *CacheRecordWithPath) Reset()

func (*CacheRecordWithPath) Size

func (m *CacheRecordWithPath) Size() (n int)

func (*CacheRecordWithPath) String

func (m *CacheRecordWithPath) String() string

func (*CacheRecordWithPath) Unmarshal

func (m *CacheRecordWithPath) Unmarshal(dAtA []byte) error

type CacheRecords

type CacheRecords struct {
	Paths []*CacheRecordWithPath `protobuf:"bytes,1,rep,name=paths" json:"paths,omitempty"`
}

func (*CacheRecords) Descriptor

func (*CacheRecords) Descriptor() ([]byte, []int)

func (*CacheRecords) GetPaths

func (m *CacheRecords) GetPaths() []*CacheRecordWithPath

func (*CacheRecords) Marshal

func (m *CacheRecords) Marshal() (dAtA []byte, err error)

func (*CacheRecords) MarshalTo

func (m *CacheRecords) MarshalTo(dAtA []byte) (int, error)

func (*CacheRecords) ProtoMessage

func (*CacheRecords) ProtoMessage()

func (*CacheRecords) Reset

func (m *CacheRecords) Reset()

func (*CacheRecords) Size

func (m *CacheRecords) Size() (n int)

func (*CacheRecords) String

func (m *CacheRecords) String() string

func (*CacheRecords) Unmarshal

func (m *CacheRecords) Unmarshal(dAtA []byte) error

type Hashed

type Hashed interface {
	Digest() digest.Digest
}