distribution/errors.go
Troels Thomsen e2b4b426b4 Define error type
Signed-off-by: Troels Thomsen <troels@thomsen.io>
2015-12-01 22:23:38 +01:00

102 lines
2.9 KiB
Go

package distribution
import (
"errors"
"fmt"
"strings"
"github.com/docker/distribution/digest"
)
// ErrManifestNotModified is returned when a conditional manifest GetByTag
// returns nil due to the client indicating it has the latest version
var ErrManifestNotModified = errors.New("manifest not modified")
// ErrUnsupported is returned when an unimplemented or unsupported action is
// performed
var ErrUnsupported = errors.New("operation unsupported")
// ErrRepositoryUnknown is returned if the named repository is not known by
// the registry.
type ErrRepositoryUnknown struct {
Name string
}
func (err ErrRepositoryUnknown) Error() string {
return fmt.Sprintf("unknown repository name=%s", err.Name)
}
// ErrRepositoryNameInvalid should be used to denote an invalid repository
// name. Reason may set, indicating the cause of invalidity.
type ErrRepositoryNameInvalid struct {
Name string
Reason error
}
func (err ErrRepositoryNameInvalid) Error() string {
return fmt.Sprintf("repository name %q invalid: %v", err.Name, err.Reason)
}
// ErrManifestUnknown is returned if the manifest is not known by the
// registry.
type ErrManifestUnknown struct {
Name string
Tag string
}
func (err ErrManifestUnknown) Error() string {
return fmt.Sprintf("unknown manifest name=%s tag=%s", err.Name, err.Tag)
}
// ErrManifestUnknownRevision is returned when a manifest cannot be found by
// revision within a repository.
type ErrManifestUnknownRevision struct {
Name string
Revision digest.Digest
}
func (err ErrManifestUnknownRevision) Error() string {
return fmt.Sprintf("unknown manifest name=%s revision=%s", err.Name, err.Revision)
}
// ErrManifestUnverified is returned when the registry is unable to verify
// the manifest.
type ErrManifestUnverified struct{}
func (ErrManifestUnverified) Error() string {
return fmt.Sprintf("unverified manifest")
}
// ErrManifestVerification provides a type to collect errors encountered
// during manifest verification. Currently, it accepts errors of all types,
// but it may be narrowed to those involving manifest verification.
type ErrManifestVerification []error
func (errs ErrManifestVerification) Error() string {
var parts []string
for _, err := range errs {
parts = append(parts, err.Error())
}
return fmt.Sprintf("errors verifying manifest: %v", strings.Join(parts, ","))
}
// ErrManifestBlobUnknown returned when a referenced blob cannot be found.
type ErrManifestBlobUnknown struct {
Digest digest.Digest
}
func (err ErrManifestBlobUnknown) Error() string {
return fmt.Sprintf("unknown blob %v on manifest", err.Digest)
}
// ErrManifestNameInvalid should be used to denote an invalid manifest
// name. Reason may set, indicating the cause of invalidity.
type ErrManifestNameInvalid struct {
Name string
Reason error
}
func (err ErrManifestNameInvalid) Error() string {
return fmt.Sprintf("manifest name %q invalid: %v", err.Name, err.Reason)
}