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Unverified Commit 37f9c8ad authored by Blake Mizerany's avatar Blake Mizerany Committed by GitHub
Browse files

types/model: overhaul Name and Digest types (#3924)

parent 2a80f55e
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Showing with 528 additions and 1412 deletions
server/images.go
View file @ 37f9c8ad
......@@ -703,17 +703,24 @@ func convertModel(name, path string, fn func(resp api.ProgressResponse)) (string
}
func CopyModel(src, dst model.Name) error {
if !dst.IsFullyQualified() {
return model.Unqualified(dst)
}
if !src.IsFullyQualified() {
return model.Unqualified(src)
}
manifests, err := GetManifestPath()
if err != nil {
return err
}
dstpath := filepath.Join(manifests, dst.FilepathNoBuild())
dstpath := filepath.Join(manifests, dst.Filepath())
if err := os.MkdirAll(filepath.Dir(dstpath), 0o755); err != nil {
return err
}
srcpath := filepath.Join(manifests, src.FilepathNoBuild())
srcpath := filepath.Join(manifests, src.Filepath())
srcfile, err := os.Open(srcpath)
if err != nil {
return err
......
types/model/digest.go deleted 100644 → 0
View file @ 2a80f55e
package model
import (
"fmt"
"log/slog"
"strings"
"unicode"
)
// Digest represents a digest of a model Manifest. It is a comparable value
// type and is immutable.
//
// The zero Digest is not a valid digest.
type Digest struct {
s string
}
// Split returns the digest type and the digest value.
func (d Digest) Split() (typ, digest string) {
typ, digest, _ = strings.Cut(d.s, "-")
return
}
// String returns the digest in the form of "<digest-type>-<digest>", or the
// empty string if the digest is invalid.
func (d Digest) String() string { return d.s }
// IsValid returns true if the digest is valid (not zero).
//
// A valid digest may be created only by ParseDigest, or
// ParseName(name).Digest().
func (d Digest) IsValid() bool { return d.s != "" }
// LogValue implements slog.Value.
func (d Digest) LogValue() slog.Value {
return slog.StringValue(d.String())
}
var (
_ slog.LogValuer = Digest{}
)
// ParseDigest parses a string in the form of "<digest-type>-<digest>" into a
// Digest.
func ParseDigest(s string) Digest {
typ, digest, ok := strings.Cut(s, "-")
if !ok {
typ, digest, ok = strings.Cut(s, ":")
}
if ok && isValidDigestType(typ) && isValidHex(digest) && len(digest) >= 2 {
return Digest{s: fmt.Sprintf("%s-%s", typ, digest)}
}
return Digest{}
}
func MustParseDigest(s string) Digest {
d := ParseDigest(s)
if !d.IsValid() {
panic(fmt.Sprintf("invalid digest: %q", s))
}
return d
}
func isValidDigestType(s string) bool {
if len(s) == 0 {
return false
}
for _, r := range s {
if !unicode.IsLower(r) && !unicode.IsDigit(r) {
return false
}
}
return true
}
func isValidHex(s string) bool {
if len(s) == 0 {
return false
}
for i := range s {
c := s[i]
if c < '0' || c > '9' && c < 'a' || c > 'f' {
return false
}
}
return true
}
types/model/digest_test.go deleted 100644 → 0
View file @ 2a80f55e
package model
import "testing"
var testDigests = map[string]Digest{
"": {},
"sha256-1234": {s: "sha256-1234"},
"sha256-5678": {s: "sha256-5678"},
"blake2-9abc": {s: "blake2-9abc"},
"-1234": {},
"sha256-": {},
"sha256-1234-5678": {},
"sha256-P": {}, // invalid hex
"sha256-1234P": {},
"---": {},
}
func TestDigestParse(t *testing.T) {
// Test cases.
for s, want := range testDigests {
got := ParseDigest(s)
t.Logf("ParseDigest(%q) = %#v", s, got)
if got != want {
t.Errorf("ParseDigest(%q) = %q; want %q", s, got, want)
}
}
}
func TestDigestString(t *testing.T) {
// Test cases.
for s, d := range testDigests {
want := s
if !d.IsValid() {
want = ""
}
got := d.String()
if got != want {
t.Errorf("ParseDigest(%q).String() = %q; want %q", s, got, want)
}
got = ParseDigest(s).String()
if got != want {
t.Errorf("roundtrip ParseDigest(%q).String() = %q; want %q", s, got, want)
}
}
}
types/model/name.go
View file @ 37f9c8ad
// Package model contains types and utilities for parsing, validating, and
// working with model names and digests.
package model
import (
"cmp"
"encoding/hex"
"errors"
"fmt"
"hash/maphash"
"io"
"log/slog"
"path"
"path/filepath"
"slices"
"strings"
"sync"
"github.com/ollama/ollama/types/structs"
)
// Errors
var (
// ErrInvalidName, ErrIncompleteName, and ErrInvalidDigest are not
// used by this package, but are exported so that other packages can
// use them, instead of defining their own errors for them.
ErrInvalidName = errors.New("invalid model name")
ErrIncompleteName = errors.New("incomplete model name")
ErrInvalidDigest = errors.New("invalid digest")
// ErrUnqualifiedName represents an error where a name is not fully
// qualified. It is not used directly in this package, but is here
// to avoid other packages inventing their own error type.
// Additionally, it can be conveniently used via [Unqualified].
ErrUnqualifiedName = errors.New("unqualified name")
)
// Defaults
const (
// MaskDefault is the default mask used by [Name.DisplayShortest].
MaskDefault = "registry.ollama.ai/library/?:latest"
// MaskNothing is a mask that masks nothing.
MaskNothing = "?/?/?:?"
// DefaultFill is the default fill used by [ParseName].
FillDefault = "registry.ollama.ai/library/?:latest+Q4_0"
// Unqualified is a helper function that returns an error with
// ErrUnqualifiedName as the cause and the name as the message.
func Unqualified(n Name) error {
return fmt.Errorf("%w: %s", ErrUnqualifiedName, n)
}
// FillNothing is a fill that fills nothing.
FillNothing = "?/?/?:?+?"
)
// MissingPart is used to indicate any part of a name that was "promised" by
// the presence of a separator, but is missing.
//
// The value was chosen because it is deemed unlikely to be set by a user,
// not a valid part name valid when checked by [Name.IsValid], and easy to
// spot in logs.
const MissingPart = "!MISSING!"
const MaxNamePartLen = 128
// DefaultName returns a name with the default values for the host, namespace,
// and tag parts. The model and digest parts are empty.
//
// - The default host is ("registry.ollama.ai")
// - The default namespace is ("library")
// - The default tag is ("latest")
func DefaultName() Name {
return Name{
Host: "registry.ollama.ai",
Namespace: "library",
Tag: "latest",
}
}
type PartKind int
type partKind int
// Levels of concreteness
const (
// Each value aligns with its index in the Name.parts array.
PartHost PartKind = iota
PartNamespace
PartModel
PartTag
PartBuild
PartDigest
// NumParts is the number of parts in a Name. In this list, it must
// follow the final part.
NumParts
PartExtraneous = -1
kindHost partKind = iota
kindNamespace
kindModel
kindTag
kindDigest
)
var kindNames = map[PartKind]string{
PartHost: "Host",
PartNamespace: "Namespace",
PartModel: "Name",
PartTag: "Tag",
PartBuild: "Build",
PartDigest: "Digest",
}
func (k PartKind) String() string {
return cmp.Or(kindNames[k], "Unknown")
func (k partKind) String() string {
switch k {
case kindHost:
return "host"
case kindNamespace:
return "namespace"
case kindModel:
return "model"
case kindTag:
return "tag"
case kindDigest:
return "digest"
default:
return "unknown"
}
}
// Name is an opaque reference to a model. It holds the parts of a model
// with the case preserved, but is not directly comparable with other Names
// since model names can be represented with different casing depending on
// the use case. For instance, "Mistral" and "mistral" are the same model
// but each version may have come from different sources (e.g. copied from a
// Web page, or from a file path).
//
// Valid Names can ONLY be constructed by calling [ParseName].
//
// A Name is valid if and only if is have a valid Model part. The other parts
// are optional.
//
// A Name is considered "complete" if it has all parts present. To check if a
// Name is complete, use [Name.IsComplete].
//
// To compare two names in a case-insensitive manner, use [Name.EqualFold].
//
// The parts of a Name are:
// Name is a structured representation of a model name string, as defined by
// [ParseNameNoDefaults].
//
// - Host: the domain of the model (optional)
// - Namespace: the namespace of the model (optional)
// - Model: the name of the model (required)
// - Tag: the tag of the model (optional)
// - Build: the build of the model; usually the quantization or "file type" (optional)
// It is not guaranteed to be valid. Use [Name.IsValid] to check if the name
// is valid.
//
// The parts can be obtained in their original form by calling [Name.Parts].
//
// To check if a Name has at minimum a valid model part, use [Name.IsValid].
// It is not directly comparable with other Names. Use [Name.Equal] and
// [Name.MapHash] for determining equality and using as a map key.
type Name struct {
_ structs.Incomparable
parts [NumParts]string // host, namespace, model, tag, build, digest
// TODO(bmizerany): track offsets and hold s (raw string) here? We
// could pack the offsets all into a single uint64 since the first
// parts take less bits since their max offset is less than the max
// offset of the next part. This would save a ton of bytes per Name
// and mean zero allocations for String.
}
// ParseName parses s into a Name, and returns the result of filling it with
// defaults. The input string must be a valid string
// representation of a model name in the form:
//
// [host/][namespace/]<model>[:tag][+build][@<digest-type>-<digest>]
//
// The name part is required, all others are optional. If a part is missing,
// it is left empty in the returned Name. If a part is invalid, the zero Ref
// value is returned.
//
// The build part is normalized to uppercase.
//
// Examples of valid paths:
//
// "example.com/library/mistral:7b+x"
// "example.com/eva/mistral:7b+Q4_0"
// "mistral:7b+x"
// "example.com/mike/mistral:latest+Q4_0"
// "example.com/bruce/mistral:latest"
// "example.com/pdevine/thisisfine:7b+Q4_0@sha256-1234567890abcdef"
//
// Examples of invalid paths:
//
// "example.com/mistral:7b+"
// "example.com/mistral:7b+Q4_0+"
// "x/y/z/z:8n+I"
// ""
//
// It returns the zero value if any part is invalid.
//
// # Fills
//
// For any valid s, the fill string is used to fill in missing parts of the
// Name. The fill string must be a valid Name with the exception that any part
// may be the string ("?"), which will not be considered for filling.
func ParseNameFill(s, fill string) Name {
var r Name
parts(s)(func(kind PartKind, part string) bool {
if kind == PartDigest && !ParseDigest(part).IsValid() {
r = Name{}
return false
}
if kind == PartExtraneous || !IsValidNamePart(kind, part) {
r = Name{}
return false
}
r.parts[kind] = part
return true
})
if r.IsValid() || r.IsResolved() {
return fillName(r, fill)
}
return Name{}
}
// ParseName parses s into a Name, and returns the result of filling it
// with FillDefault. The input string must be a valid string representation
// of a model
Host string
Namespace string
Model string
Tag string
RawDigest string
}
// ParseName parses and assembles a Name from a name string. The
// format of a valid name string is:
//
// s:
// { host } "/" { namespace } "/" { model } ":" { tag } "@" { digest }
// { host } "/" { namespace } "/" { model } ":" { tag }
// { host } "/" { namespace } "/" { model } "@" { digest }
// { host } "/" { namespace } "/" { model }
// { namespace } "/" { model } ":" { tag } "@" { digest }
// { namespace } "/" { model } ":" { tag }
// { namespace } "/" { model } "@" { digest }
// { namespace } "/" { model }
// { model } ":" { tag } "@" { digest }
// { model } ":" { tag }
// { model } "@" { digest }
// { model }
// "@" { digest }
// host:
// pattern: alphanum { alphanum | "-" | "_" | "." | ":" }*
// length: [1, 350]
// namespace:
// pattern: alphanum { alphanum | "-" | "_" }*
// length: [2, 80]
// model:
// pattern: alphanum { alphanum | "-" | "_" | "." }*
// length: [2, 80]
// tag:
// pattern: alphanum { alphanum | "-" | "_" | "." }*
// length: [1, 80]
// digest:
// pattern: alphanum { alphanum | "-" | ":" }*
// length: [2, 80]
//
// Most users should use [ParseName] instead, unless need to support
// different defaults than DefaultName.
//
// The name returned is not guaranteed to be valid. If it is not valid, the
// field values are left in an undefined state. Use [Name.IsValid] to check
// if the name is valid.
func ParseName(s string) Name {
return ParseNameFill(s, "")
return merge(parseName(s), DefaultName())
}
func parseMask(s string) Name {
var r Name
parts(s)(func(kind PartKind, part string) bool {
if part == "?" {
// mask part; treat as empty but valid
return true
}
if !IsValidNamePart(kind, part) {
panic(fmt.Errorf("invalid mask part %s: %q", kind, part))
}
r.parts[kind] = part
return true
})
return r
}
// parseName is the same as [ParseName] without a merge.
func parseName(s string) Name {
var n Name
var promised bool
func MustParseName(s, fill string) Name {
r := ParseNameFill(s, fill)
if !r.IsValid() {
panic("invalid Name: " + s)
s, n.RawDigest, promised = cutLast(s, "@")
if promised && n.RawDigest == "" {
n.RawDigest = MissingPart
}
return r
}
// fillName fills in the missing parts of dst with the parts of src.
//
// The returned Name will only be valid if dst is valid.
//
// It skipps fill parts that are "?".
func fillName(r Name, fill string) Name {
fill = cmp.Or(fill, FillDefault)
f := parseMask(fill)
if fill != FillNothing && f.IsZero() {
panic("invalid fill")
s, n.Tag, _ = cutPromised(s, ":")
s, n.Model, promised = cutPromised(s, "/")
if !promised {
n.Model = s
return n
}
for i := range r.parts {
if f.parts[i] == "?" {
continue
}
r.parts[i] = cmp.Or(r.parts[i], f.parts[i])
s, n.Namespace, promised = cutPromised(s, "/")
if !promised {
n.Namespace = s
return n
}
return r
}
n.Host = s
// WithBuild returns a copy of r with the build set to the given string.
func (r Name) WithBuild(build string) Name {
r.parts[PartBuild] = build
return r
return n
}
func (r Name) WithDigest(digest Digest) Name {
r.parts[PartDigest] = digest.String()
return r
// merge merges the host, namespace, and tag parts of the two names,
// preferring the non-empty parts of a.
func merge(a, b Name) Name {
a.Host = cmp.Or(a.Host, b.Host)
a.Namespace = cmp.Or(a.Namespace, b.Namespace)
a.Tag = cmp.Or(a.Tag, b.Tag)
return a
}
var mapHashSeed = maphash.MakeSeed()
// MapHash returns a case insensitive hash for use in maps and equality
// checks. For a convenient way to compare names, use [Name.EqualFold].
//
//nolint:errcheck
func (r Name) MapHash() uint64 {
// correctly hash the parts with case insensitive comparison
var h maphash.Hash
h.SetSeed(mapHashSeed)
for _, part := range r.parts {
// downcase the part for hashing
for i := range part {
c := part[i]
if c >= 'A' && c <= 'Z' {
c = c - 'A' + 'a'
}
h.WriteByte(c)
}
}
return h.Sum64()
// Digest returns the result of [ParseDigest] with the RawDigest field.
func (n Name) Digest() Digest {
return ParseDigest(n.RawDigest)
}
func (r Name) slice(from, to PartKind) Name {
var v Name
copy(v.parts[from:to+1], r.parts[from:to+1])
return v
}
// DisplayShortest returns the shortest possible, masked display string in form:
//
// [host/][<namespace>/]<model>[:<tag>]
//
// # Masks
//
// The mask is a string that specifies which parts of the name to omit based
// on case-insensitive comparison. [Name.DisplayShortest] omits parts of the name
// that are the same as the mask, moving from left to right until the first
// unequal part is found. It then moves right to left until the first unequal
// part is found. The result is the shortest possible display string.
//
// Unlike a [Name] the mask can contain "?" characters which are treated as
// wildcards. A "?" will never match a part of the name, since a valid name
// can never contain a "?" character.
//
// For example: Given a Name ("registry.ollama.ai/library/mistral:latest") masked
// with ("registry.ollama.ai/library/?:latest") will produce the display string
// ("mistral").
//
// If mask is the empty string, then [MaskDefault] is used.
//
// DisplayShortest panics if the mask is not the empty string, MaskNothing, and
// invalid.
//
// # Builds
//
// For now, DisplayShortest does consider the build or return one in the
// result. We can lift this restriction when needed.
func (r Name) DisplayShortest(mask string) string {
mask = cmp.Or(mask, MaskDefault)
d := parseMask(mask)
if mask != MaskNothing && r.IsZero() {
panic("invalid Name")
// String returns the name string, in the format that [ParseNameNoDefaults]
// accepts as valid, if [Name.IsValid] reports true; otherwise the empty
// string is returned.
func (n Name) String() string {
var b strings.Builder
if n.Host != "" {
b.WriteString(n.Host)
b.WriteByte('/')
}
for i := range PartTag {
if !strings.EqualFold(r.parts[i], d.parts[i]) {
break
}
r.parts[i] = ""
if n.Namespace != "" {
b.WriteString(n.Namespace)
b.WriteByte('/')
}
for i := PartTag; i >= 0; i-- {
if !strings.EqualFold(r.parts[i], d.parts[i]) {
break
}
r.parts[i] = ""
b.WriteString(n.Model)
if n.Tag != "" {
b.WriteByte(':')
b.WriteString(n.Tag)
}
return r.slice(PartHost, PartTag).DisplayLong()
}
// DisplayLongest returns the result of r.DisplayShortest(MaskNothing).
func (r Name) DisplayLongest() string {
return r.DisplayShortest(MaskNothing)
}
var seps = [...]string{
PartHost: "/",
PartNamespace: "/",
PartModel: ":",
PartTag: "+",
PartBuild: "@",
PartDigest: "",
}
// WriteTo implements io.WriterTo. It writes the fullest possible display
// string in form:
//
// <host>/<namespace>/<model>:<tag>+<build>@<digest-type>-<digest>
//
// Missing parts and their separators are not written.
//
// The full digest is always prefixed with "@". That is if [Name.IsValid]
// reports false and [Name.IsResolved] reports true, then the string is
// returned as "@<digest-type>-<digest>".
func (r Name) writeTo(w io.StringWriter) error {
var partsWritten int
for i := range r.parts {
if r.parts[i] == "" {
continue
}
if partsWritten > 0 || i == int(PartDigest) {
if _, err := w.WriteString(seps[i-1]); err != nil {
return err
}
}
if _, err := w.WriteString(r.parts[i]); err != nil {
return err
}
partsWritten++
if n.RawDigest != "" {
b.WriteByte('@')
b.WriteString(n.RawDigest)
}
return nil
}
var builderPool = sync.Pool{
New: func() interface{} {
return &strings.Builder{}
},
}
// DisplayLong returns the fullest possible display string in form:
//
// <host>/<namespace>/<model>:<tag>+<build>
//
// If any part is missing, it is omitted from the display string.
func (r Name) DisplayLong() string {
b := builderPool.Get().(*strings.Builder)
defer builderPool.Put(b)
b.Reset()
b.Grow(50) // arbitrarily long enough for most names
_ = r.writeTo(b)
return b.String()
}
// GoString implements fmt.GoStringer. It returns a string suitable for
// debugging and logging. It is similar to [Name.DisplayLong] but it always
// returns a string that includes all parts of the Name, with missing parts
// replaced with a ("?").
func (r Name) GoString() string {
for i := range r.parts {
r.parts[i] = cmp.Or(r.parts[i], "?")
// IsValid reports whether all parts of the name are present and valid. The
// digest is a special case, and is checked for validity only if present.
func (n Name) IsValid() bool {
if n.RawDigest != "" && !ParseDigest(n.RawDigest).IsValid() {
return false
}
return r.DisplayLong()
}
// LogValue implements slog.Valuer.
func (r Name) LogValue() slog.Value {
return slog.StringValue(r.GoString())
}
// IsComplete reports whether the Name is fully qualified. That is it has a
// domain, namespace, name, tag, and build.
func (r Name) IsComplete() bool {
return !slices.Contains(r.parts[:PartDigest], "")
}
// IsCompleteNoBuild is like [Name.IsComplete] but it does not require the
// build part to be present.
func (r Name) IsCompleteNoBuild() bool {
return !slices.Contains(r.parts[:PartBuild], "")
return n.IsFullyQualified()
}
// IsResolved reports true if the Name has a valid digest.
//
// It is possible to have a valid Name, or a complete Name that is not
// resolved.
func (r Name) IsResolved() bool {
return r.Digest().IsValid()
// IsFullyQualified returns true if all parts of the name are present and
// valid without the digest.
func (n Name) IsFullyQualified() bool {
var parts = []string{
n.Host,
n.Namespace,
n.Model,
n.Tag,
}
for i, part := range parts {
if !isValidPart(partKind(i), part) {
return false
}
}
return true
}
// Digest returns the digest part of the Name, if any.
// Filepath returns a canonical filepath that represents the name with each part from
// host to tag as a directory in the form:
//
// If Digest returns a non-empty string, then [Name.IsResolved] will return
// true, and digest is considered valid.
func (r Name) Digest() Digest {
// This was already validated by ParseName, so we can just return it.
return Digest{r.parts[PartDigest]}
}
// EqualFold reports whether r and o are equivalent model names, ignoring
// case.
func (r Name) EqualFold(o Name) bool {
return r.CompareFold(o) == 0
}
// CompareFold performs a case-insensitive cmp.Compare on r and o.
// {host}/{namespace}/{model}/{tag}
//
// This can be used with [slices.SortFunc].
// It uses the system's filepath separator and ensures the path is clean.
//
// For simple equality checks, use [Name.EqualFold].
func (r Name) CompareFold(o Name) int {
return slices.CompareFunc(r.parts[:], o.parts[:], compareFold)
}
func compareFold(a, b string) int {
return slices.CompareFunc([]rune(a), []rune(b), func(a, b rune) int {
return cmp.Compare(downcase(a), downcase(b))
})
}
func downcase(r rune) rune {
if r >= 'A' && r <= 'Z' {
return r - 'A' + 'a'
// It panics if the name is not fully qualified. Use [Name.IsFullyQualified]
// to check if the name is fully qualified.
func (n Name) Filepath() string {
if !n.IsFullyQualified() {
panic("illegal attempt to get filepath of invalid name")
}
return filepath.Join(
strings.ToLower(n.Host),
strings.ToLower(n.Namespace),
strings.ToLower(n.Model),
strings.ToLower(n.Tag),
)
}
// LogValue returns a slog.Value that represents the name as a string.
func (n Name) LogValue() slog.Value {
return slog.StringValue(n.String())
}
func isValidLen(kind partKind, s string) bool {
switch kind {
case kindHost:
return len(s) >= 1 && len(s) <= 350
case kindTag:
return len(s) >= 1 && len(s) <= 80
default:
return len(s) >= 2 && len(s) <= 80
}
return r
}
func (r Name) Host() string { return r.parts[PartHost] }
func (r Name) Namespace() string { return r.parts[PartNamespace] }
func (r Name) Model() string { return r.parts[PartModel] }
func (r Name) Build() string { return r.parts[PartBuild] }
func (r Name) Tag() string { return r.parts[PartTag] }
// iter_Seq2 is a iter.Seq2 defined here to avoid the current build
// restrictions in the go1.22 iter package requiring the
// goexperiment.rangefunc tag to be set via the GOEXPERIMENT=rangefunc flag,
// which we are not yet ready to support.
//
// Once we are ready to support rangefunc, this can be removed and replaced
// with the iter.Seq2 type.
type iter_Seq2[A, B any] func(func(A, B) bool)
// Parts returns a sequence of the parts of a Name string from most specific
// to least specific.
//
// It normalizes the input string by removing "http://" and "https://" only.
// No other normalizations are performed.
func parts(s string) iter_Seq2[PartKind, string] {
return func(yield func(PartKind, string) bool) {
if strings.HasPrefix(s, "http://") {
s = strings.TrimPrefix(s, "http://")
} else {
s = strings.TrimPrefix(s, "https://")
}
if len(s) > MaxNamePartLen || len(s) == 0 {
return
func isValidPart(kind partKind, s string) bool {
if !isValidLen(kind, s) {
return false
}
for i := range s {
if i == 0 {
if !isAlphanumeric(s[i]) {
return false
}
continue
}
numConsecutiveDots := 0
partLen := 0
state, j := PartDigest, len(s)
for i := len(s) - 1; i >= 0; i-- {
if partLen++; partLen > MaxNamePartLen {
// catch a part that is too long early, so
// we don't keep spinning on it, waiting for
// an isInValidPart check which would scan
// over it again.
yield(state, s[i+1:j])
return
switch s[i] {
case '_', '-':
case '.':
if kind == kindNamespace {
return false
}
switch s[i] {
case '@':
switch state {
case PartDigest:
if !yield(PartDigest, s[i+1:j]) {
return
}
if i == 0 {
// This is the form
// "@<digest>" which is valid.
//
// We're done.
return
}
state, j, partLen = PartBuild, i, 0
default:
yield(PartExtraneous, s[i+1:j])
return
}
case '+':
switch state {
case PartBuild, PartDigest:
if !yield(PartBuild, s[i+1:j]) {
return
}
state, j, partLen = PartTag, i, 0
default:
yield(PartExtraneous, s[i+1:j])
return
}
case ':':
switch state {
case PartTag, PartBuild, PartDigest:
if !yield(PartTag, s[i+1:j]) {
return
}
state, j, partLen = PartModel, i, 0
case PartHost:
// noop: support for host:port
default:
yield(PartExtraneous, s[i+1:j])
return
}
case '/':
switch state {
case PartModel, PartTag, PartBuild, PartDigest:
if !yield(PartModel, s[i+1:j]) {
return
}
state, j = PartNamespace, i
case PartNamespace:
if !yield(PartNamespace, s[i+1:j]) {
return
}
state, j, partLen = PartHost, i, 0
default:
yield(PartExtraneous, s[i+1:j])
return
}
default:
if s[i] == '.' {
if numConsecutiveDots++; numConsecutiveDots > 1 {
yield(state, "")
return
}
} else {
numConsecutiveDots = 0
}
case ':':
if kind != kindHost {
return false
}
default:
if !isAlphanumeric(s[i]) {
return false
}
}
if state <= PartNamespace {
yield(state, s[:j])
} else {
yield(PartModel, s[:j])
}
}
return true
}
func (r Name) IsZero() bool {
return r.parts == [NumParts]string{}
func isAlphanumeric(c byte) bool {
return c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z' || c >= '0' && c <= '9'
}
// IsValid reports if a model has at minimum a valid model part.
func (r Name) IsValid() bool {
// Parts ensures we only have valid parts, so no need to validate
// them here, only check if we have a name or not.
return r.parts[PartModel] != ""
func cutLast(s, sep string) (before, after string, ok bool) {
i := strings.LastIndex(s, sep)
if i >= 0 {
return s[:i], s[i+len(sep):], true
}
return s, "", false
}
// ParseNameFromURLPath parses forms of a URL path into a Name. Specifically,
// it trims any leading "/" and then calls [ParseName] with fill.
func ParseNameFromURLPath(s, fill string) Name {
s = strings.TrimPrefix(s, "/")
return ParseNameFill(s, fill)
// cutPromised cuts the last part of s at the last occurrence of sep. If sep is
// found, the part before and after sep are returned as-is unless empty, in
// which case they are returned as MissingPart, which will cause
// [Name.IsValid] to return false.
func cutPromised(s, sep string) (before, after string, ok bool) {
before, after, ok = cutLast(s, sep)
if !ok {
return before, after, false
}
return cmp.Or(before, MissingPart), cmp.Or(after, MissingPart), true
}
func ParseNameFromURLPathFill(s, fill string) Name {
return ParseNameFill(s, fill)
}
type DigestType int
// URLPath returns a complete, canonicalized, relative URL path using the parts of a
// complete Name.
//
// The parts maintain their original case.
//
// Example:
//
// ParseName("example.com/namespace/model:tag+build").URLPath() // returns "/example.com/namespace/model:tag"
func (r Name) DisplayURLPath() string {
return r.DisplayShortest(MaskNothing)
const (
DigestTypeInvalid DigestType = iota
DigestTypeSHA256
)
func (t DigestType) String() string {
if t == DigestTypeSHA256 {
return "sha256"
}
return "unknown"
}
// URLPath returns a complete, canonicalized, relative URL path using the parts of a
// complete Name in the form:
//
// <host>/<namespace>/<model>/<tag>
//
// The parts are downcased.
func (r Name) URLPath() string {
return strings.ToLower(path.Join(r.parts[:PartBuild]...))
// Digest represents a type and hash of a digest. It is comparable and can
// be used as a map key.
type Digest struct {
Type DigestType
Hash [32]byte
}
// ParseNameFromFilepath parses a file path into a Name. The input string must be a
// valid file path representation of a model name in the form:
// ParseDigest parses a digest string into a Digest struct. It accepts both
// the forms:
//
// host/namespace/model/tag/build
// sha256:deadbeef
// sha256-deadbeef
//
// The zero valid is returned if s does not contain all path elements
// leading up to the model part, or if any path element is an invalid part
// for the its corresponding part kind.
// The hash part must be exactly 64 characters long.
//
// The fill string is used to fill in missing parts of any constructed Name.
// See [ParseName] for more information on the fill string.
func ParseNameFromFilepath(s, fill string) Name {
var r Name
for i := range PartBuild + 1 {
part, rest, _ := strings.Cut(s, string(filepath.Separator))
if !IsValidNamePart(i, part) {
return Name{}
// The form "type:hash" does not round trip through [Digest.String].
func ParseDigest(s string) Digest {
typ, hash, ok := cutLast(s, ":")
if !ok {
typ, hash, ok = cutLast(s, "-")
if !ok {
return Digest{}
}
r.parts[i] = part
s = rest
if s == "" {
break
}
}
if s != "" {
return Name{}
}
if !r.IsValid() {
return Name{}
if typ != "sha256" {
return Digest{}
}
return fillName(r, fill)
}
// Filepath returns a complete, canonicalized, relative file path using the
// parts of a complete Name.
//
// Each parts is downcased, except for the build part which is upcased.
//
// Example:
//
// ParseName("example.com/namespace/model:tag+build").Filepath() // returns "example.com/namespace/model/tag/BUILD"
func (r Name) Filepath() string {
for i := range r.parts {
if PartKind(i) == PartBuild {
r.parts[i] = strings.ToUpper(r.parts[i])
} else {
r.parts[i] = strings.ToLower(r.parts[i])
}
var d Digest
n, err := hex.Decode(d.Hash[:], []byte(hash))
if err != nil || n != 32 {
return Digest{}
}
return filepath.Join(r.parts[:]...)
return Digest{Type: DigestTypeSHA256, Hash: d.Hash}
}
// FilepathNoBuild returns a complete, canonicalized, relative file path using
// the parts of a complete Name, but without the build part.
func (r Name) FilepathNoBuild() string {
for i := range PartBuild {
r.parts[i] = strings.ToLower(r.parts[i])
// IsValid returns true if the digest has a valid Type and Hash.
func (d Digest) IsValid() bool {
if d.Type != DigestTypeSHA256 {
return false
}
return filepath.Join(r.parts[:PartBuild]...)
return d.Hash != [32]byte{}
}
// IsValidNamePart reports if s contains all valid characters for the given
// part kind and is under MaxNamePartLen bytes.
func IsValidNamePart(kind PartKind, s string) bool {
if len(s) > MaxNamePartLen {
return false
}
if s == "" {
return false
}
var consecutiveDots int
for _, c := range []byte(s) {
if c == '.' {
if consecutiveDots++; consecutiveDots >= 2 {
return false
}
} else {
consecutiveDots = 0
}
if !isValidByteFor(kind, c) {
return false
}
}
return true
// String returns the digest as a string in the form "type-hash". The hash
// is encoded as a hex string.
func (d Digest) String() string {
var b strings.Builder
b.WriteString(d.Type.String())
b.WriteByte('-')
b.WriteString(hex.EncodeToString(d.Hash[:]))
return b.String()
}
func isValidByteFor(kind PartKind, c byte) bool {
if kind == PartNamespace && c == '.' {
return false
}
if kind == PartHost && c == ':' {
return true
}
if c == '.' || c == '-' {
return true
}
if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c >= '0' && c <= '9' || c == '_' {
return true
}
return false
// LogValue returns a slog.Value that represents the digest as a string.
func (d Digest) LogValue() slog.Value {
return slog.StringValue(d.String())
}
types/model/name_test.go
View file @ 37f9c8ad
package model
import (
"bytes"
"cmp"
"fmt"
"log/slog"
"path/filepath"
"slices"
"reflect"
"strings"
"testing"
)
type fields struct {
host, namespace, model, tag, build string
digest string
}
func fieldsFromName(p Name) fields {
return fields{
host: p.parts[PartHost],
namespace: p.parts[PartNamespace],
model: p.parts[PartModel],
tag: p.parts[PartTag],
build: p.parts[PartBuild],
digest: p.parts[PartDigest],
}
}
var testNames = map[string]fields{
"mistral:latest": {model: "mistral", tag: "latest"},
"mistral": {model: "mistral"},
"mistral:30B": {model: "mistral", tag: "30B"},
"mistral:7b": {model: "mistral", tag: "7b"},
"mistral:7b+Q4_0": {model: "mistral", tag: "7b", build: "Q4_0"},
"mistral+KQED": {model: "mistral", build: "KQED"},
"mistral.x-3:7b+Q4_0": {model: "mistral.x-3", tag: "7b", build: "Q4_0"},
"mistral:7b+q4_0": {model: "mistral", tag: "7b", build: "q4_0"},
"llama2": {model: "llama2"},
"user/model": {namespace: "user", model: "model"},
"example.com/ns/mistral:7b+Q4_0": {host: "example.com", namespace: "ns", model: "mistral", tag: "7b", build: "Q4_0"},
"example.com/ns/mistral:7b+X": {host: "example.com", namespace: "ns", model: "mistral", tag: "7b", build: "X"},
"localhost:5000/ns/mistral": {host: "localhost:5000", namespace: "ns", model: "mistral"},
// invalid digest
"mistral:latest@invalid256-": {},
"mistral:latest@-123": {},
"mistral:latest@!-123": {},
"mistral:latest@1-!": {},
"mistral:latest@": {},
// resolved
"x@sha123-12": {model: "x", digest: "sha123-12"},
"@sha456-22": {digest: "sha456-22"},
"@sha456-1": {},
"@@sha123-22": {},
// preserves case for build
"x+b": {model: "x", build: "b"},
// invalid (includes fuzzing trophies)
" / / : + ": {},
" / : + ": {},
" : + ": {},
" + ": {},
" : ": {},
" / ": {},
" /": {},
"/ ": {},
"/": {},
":": {},
"+": {},
// (".") in namepsace is not allowed
"invalid.com/7b+x": {},
"invalid:7b+Q4_0:latest": {},
"in valid": {},
"invalid/y/z/foo": {},
"/0": {},
"0 /0": {},
"0 /": {},
"0/": {},
":/0": {},
"+0/00000": {},
"0+.\xf2\x80\xf6\x9d00000\xe5\x99\xe6\xd900\xd90\xa60\x91\xdc0\xff\xbf\x99\xe800\xb9\xdc\xd6\xc300\x970\xfb\xfd0\xe0\x8a\xe1\xad\xd40\x9700\xa80\x980\xdd0000\xb00\x91000\xfe0\x89\x9b\x90\x93\x9f0\xe60\xf7\x84\xb0\x87\xa5\xff0\xa000\x9a\x85\xf6\x85\xfe\xa9\xf9\xe9\xde00\xf4\xe0\x8f\x81\xad\xde00\xd700\xaa\xe000000\xb1\xee0\x91": {},
"0//0": {},
"m+^^^": {},
"file:///etc/passwd": {},
"file:///etc/passwd:latest": {},
"file:///etc/passwd:latest+u": {},
":x": {},
"+x": {},
"x+": {},
// Disallow ("\.+") in any part to prevent path traversal anywhere
// we convert the name to a path.
"../etc/passwd": {},
".../etc/passwd": {},
"./../passwd": {},
"./0+..": {},
strings.Repeat("a", MaxNamePartLen): {model: strings.Repeat("a", MaxNamePartLen)},
strings.Repeat("a", MaxNamePartLen+1): {},
}
func TestIsValidNameLen(t *testing.T) {
if IsValidNamePart(PartNamespace, strings.Repeat("a", MaxNamePartLen+1)) {
t.Errorf("unexpectedly valid long name")
}
}
// TestConsecutiveDots tests that consecutive dots are not allowed in any
// part, to avoid path traversal. There also are some tests in testNames, but
// this test is more exhaustive and exists to emphasize the importance of
// preventing path traversal.
func TestNameConsecutiveDots(t *testing.T) {
for i := 1; i < 10; i++ {
s := strings.Repeat(".", i)
if i > 1 {
if g := ParseNameFill(s, FillNothing).DisplayLong(); g != "" {
t.Errorf("ParseName(%q) = %q; want empty string", s, g)
}
} else {
if g := ParseNameFill(s, FillNothing).DisplayLong(); g != s {
t.Errorf("ParseName(%q) = %q; want %q", s, g, s)
}
}
}
}
func TestNameParts(t *testing.T) {
var p Name
if w, g := int(NumParts), len(p.parts); w != g {
t.Errorf("Parts() = %d; want %d", g, w)
}
}
func TestNamePartString(t *testing.T) {
if g := PartKind(-2).String(); g != "Unknown" {
t.Errorf("Unknown part = %q; want %q", g, "Unknown")
}
for kind, name := range kindNames {
if g := kind.String(); g != name {
t.Errorf("%s = %q; want %q", kind, g, name)
}
}
}
func TestParseName(t *testing.T) {
for baseName, want := range testNames {
for _, prefix := range []string{"", "https://", "http://"} {
// We should get the same results with or without the
// http(s) prefixes
s := prefix + baseName
t.Run(s, func(t *testing.T) {
name := ParseNameFill(s, FillNothing)
got := fieldsFromName(name)
if got != want {
t.Errorf("ParseName(%q) = %q; want %q", s, got, want)
}
// test round-trip
if !ParseNameFill(name.DisplayLong(), FillNothing).EqualFold(name) {
t.Errorf("ParseName(%q).String() = %s; want %s", s, name.DisplayLong(), baseName)
}
})
}
}
}
func TestParseNameFill(t *testing.T) {
cases := []struct {
in string
fill string
want string
}{
{"mistral", "example.com/library/?:latest+Q4_0", "example.com/library/mistral:latest+Q4_0"},
{"mistral", "example.com/library/?:latest", "example.com/library/mistral:latest"},
{"llama2:x", "example.com/library/?:latest+Q4_0", "example.com/library/llama2:x+Q4_0"},
// Invalid
{"", "example.com/library/?:latest+Q4_0", ""},
{"llama2:?", "example.com/library/?:latest+Q4_0", ""},
}
for _, tt := range cases {
t.Run(tt.in, func(t *testing.T) {
name := ParseNameFill(tt.in, tt.fill)
if g := name.DisplayLong(); g != tt.want {
t.Errorf("ParseName(%q, %q) = %q; want %q", tt.in, tt.fill, g, tt.want)
}
})
}
t.Run("invalid fill", func(t *testing.T) {
defer func() {
if recover() == nil {
t.Fatal("expected panic")
}
}()
ParseNameFill("x", "^")
})
}
func TestParseNameHTTPDoublePrefixStrip(t *testing.T) {
cases := []string{
"http://https://valid.com/valid/valid:latest",
"https://http://valid.com/valid/valid:latest",
}
for _, s := range cases {
t.Run(s, func(t *testing.T) {
name := ParseNameFill(s, FillNothing)
if name.IsValid() {
t.Errorf("expected invalid path; got %#v", name)
}
})
}
}
const (
part80 = "88888888888888888888888888888888888888888888888888888888888888888888888888888888"
part350 = "33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333"
)
func TestCompleteWithAndWithoutBuild(t *testing.T) {
func TestParseNameParts(t *testing.T) {
cases := []struct {
in string
complete bool
completeNoBuild bool
}{
{"", false, false},
{"incomplete/mistral:7b+x", false, false},
{"incomplete/mistral:7b+Q4_0", false, false},
{"incomplete:7b+x", false, false},
{"complete.com/x/mistral:latest+Q4_0", true, true},
{"complete.com/x/mistral:latest", false, true},
}
for _, tt := range cases {
t.Run(tt.in, func(t *testing.T) {
p := ParseNameFill(tt.in, FillNothing)
t.Logf("ParseName(%q) = %#v", tt.in, p)
if g := p.IsComplete(); g != tt.complete {
t.Errorf("Complete(%q) = %v; want %v", tt.in, g, tt.complete)
}
if g := p.IsCompleteNoBuild(); g != tt.completeNoBuild {
t.Errorf("CompleteNoBuild(%q) = %v; want %v", tt.in, g, tt.completeNoBuild)
}
})
}
// Complete uses Parts which returns a slice, but it should be
// inlined when used in Complete, preventing any allocations or
// escaping to the heap.
allocs := testing.AllocsPerRun(1000, func() {
keep(ParseNameFill("complete.com/x/mistral:latest+Q4_0", FillNothing).IsComplete())
})
if allocs > 0 {
t.Errorf("Complete allocs = %v; want 0", allocs)
}
}
func TestNameLogValue(t *testing.T) {
cases := []string{
"example.com/library/mistral:latest+Q4_0",
"mistral:latest",
"mistral:7b+Q4_0",
}
for _, s := range cases {
t.Run(s, func(t *testing.T) {
var b bytes.Buffer
log := slog.New(slog.NewTextHandler(&b, nil))
name := ParseNameFill(s, FillNothing)
log.Info("", "name", name)
want := fmt.Sprintf("name=%s", name.GoString())
got := b.String()
if !strings.Contains(got, want) {
t.Errorf("expected log output to contain %q; got %q", want, got)
}
})
}
}
func TestNameGoString(t *testing.T) {
cases := []struct {
name string
in string
wantString string
wantGoString string // default is tt.in
want Name
wantValidDigest bool
}{
{
name: "Complete Name",
in: "example.com/library/mistral:latest+Q4_0",
wantGoString: "example.com/library/mistral:latest+Q4_0@?",
in: "host/namespace/model:tag",
want: Name{
Host: "host",
Namespace: "namespace",
Model: "model",
Tag: "tag",
},
},
{
in: "host/namespace/model",
want: Name{
Host: "host",
Namespace: "namespace",
Model: "model",
},
},
{
in: "namespace/model",
want: Name{
Namespace: "namespace",
Model: "model",
},
},
{
in: "model",
want: Name{
Model: "model",
},
},
{
name: "Short Name",
in: "mistral:latest",
wantGoString: "?/?/mistral:latest+?@?",
in: "h/nn/mm:t",
want: Name{
Host: "h",
Namespace: "nn",
Model: "mm",
Tag: "t",
},
},
{
name: "Long Name",
in: "library/mistral:latest",
wantGoString: "?/library/mistral:latest+?@?",
in: part80 + "/" + part80 + "/" + part80 + ":" + part80,
want: Name{
Host: part80,
Namespace: part80,
Model: part80,
Tag: part80,
},
},
{
name: "Case Preserved",
in: "Library/Mistral:Latest",
wantGoString: "?/Library/Mistral:Latest+?@?",
in: part350 + "/" + part80 + "/" + part80 + ":" + part80,
want: Name{
Host: part350,
Namespace: part80,
Model: part80,
Tag: part80,
},
},
{
name: "With digest",
in: "Library/Mistral:Latest@sha256-123456",
wantGoString: "?/Library/Mistral:Latest+?@sha256-123456",
in: "@digest",
want: Name{
RawDigest: "digest",
},
wantValidDigest: false,
},
{
in: "model@sha256:" + validSHA256Hex,
want: Name{
Model: "model",
RawDigest: "sha256:" + validSHA256Hex,
},
wantValidDigest: true,
},
}
for _, tt := range cases {
t.Run(tt.name, func(t *testing.T) {
p := ParseNameFill(tt.in, FillNothing)
tt.wantGoString = cmp.Or(tt.wantGoString, tt.in)
if g := fmt.Sprintf("%#v", p); g != tt.wantGoString {
t.Errorf("GoString() = %q; want %q", g, tt.wantGoString)
t.Run(tt.in, func(t *testing.T) {
got := parseName(tt.in)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("parseName(%q) = %v; want %v", tt.in, got, tt.want)
}
})
}
}
func TestDisplayLongest(t *testing.T) {
g := ParseNameFill("example.com/library/mistral:latest+Q4_0", FillNothing).DisplayLongest()
if g != "example.com/library/mistral:latest" {
t.Errorf("got = %q; want %q", g, "example.com/library/mistral:latest")
}
}
func TestDisplayShortest(t *testing.T) {
cases := []struct {
in string
mask string
want string
wantPanic bool
}{
{"example.com/library/mistral:latest+Q4_0", "example.com/library/_:latest", "mistral", false},
{"example.com/library/mistral:latest+Q4_0", "example.com/_/_:latest", "library/mistral", false},
{"example.com/library/mistral:latest+Q4_0", "", "example.com/library/mistral", false},
{"example.com/library/mistral:latest+Q4_0", "", "example.com/library/mistral", false},
// case-insensitive
{"Example.com/library/mistral:latest+Q4_0", "example.com/library/_:latest", "mistral", false},
{"example.com/Library/mistral:latest+Q4_0", "example.com/library/_:latest", "mistral", false},
{"example.com/library/Mistral:latest+Q4_0", "example.com/library/_:latest", "Mistral", false},
{"example.com/library/mistral:Latest+Q4_0", "example.com/library/_:latest", "mistral", false},
{"example.com/library/mistral:Latest+q4_0", "example.com/library/_:latest", "mistral", false},
// zero value
{"", MaskDefault, "", true},
// invalid mask
{"example.com/library/mistral:latest+Q4_0", "example.com/mistral", "", true},
// DefaultMask
{"registry.ollama.ai/library/mistral:latest+Q4_0", MaskDefault, "mistral", false},
// Auto-Fill
{"x", "example.com/library/_:latest", "x", false},
{"x", "example.com/library/_:latest+Q4_0", "x", false},
{"x/y:z", "a.com/library/_:latest+Q4_0", "x/y:z", false},
{"x/y:z", "a.com/library/_:latest+Q4_0", "x/y:z", false},
}
for _, tt := range cases {
t.Run("", func(t *testing.T) {
defer func() {
if tt.wantPanic {
if recover() == nil {
t.Errorf("expected panic")
}
}
}()
p := ParseNameFill(tt.in, FillNothing)
t.Logf("ParseName(%q) = %#v", tt.in, p)
if g := p.DisplayShortest(tt.mask); g != tt.want {
t.Errorf("got = %q; want %q", g, tt.want)
if got.Digest().IsValid() != tt.wantValidDigest {
t.Errorf("parseName(%q).Digest().IsValid() = %v; want %v", tt.in, got.Digest().IsValid(), tt.wantValidDigest)
}
})
}
}
func TestParseNameAllocs(t *testing.T) {
allocs := testing.AllocsPerRun(1000, func() {
keep(ParseNameFill("example.com/mistral:7b+Q4_0", FillNothing))
})
if allocs > 0 {
t.Errorf("ParseName allocs = %v; want 0", allocs)
}
var testCases = map[string]bool{ // name -> valid
"host/namespace/model:tag": true,
"host/namespace/model": false,
"namespace/model": false,
"model": false,
"@sha256-1000000000000000000000000000000000000000000000000000000000000000": false,
"model@sha256-1000000000000000000000000000000000000000000000000000000000000000": false,
"model@sha256:1000000000000000000000000000000000000000000000000000000000000000": false,
// long (but valid)
part80 + "/" + part80 + "/" + part80 + ":" + part80: true,
part350 + "/" + part80 + "/" + part80 + ":" + part80: true,
"h/nn/mm:t@sha256-1000000000000000000000000000000000000000000000000000000000000000": true, // bare minimum part sizes
"h/nn/mm:t@sha256:1000000000000000000000000000000000000000000000000000000000000000": true, // bare minimum part sizes
"m": false, // model too short
"n/mm:": false, // namespace too short
"h/n/mm:t": false, // namespace too short
"@t": false, // digest too short
"mm@d": false, // digest too short
// invalids
"^": false,
"mm:": false,
"/nn/mm": false,
"//": false,
"//mm": false,
"hh//": false,
"//mm:@": false,
"00@": false,
"@": false,
// not starting with alphanum
"-hh/nn/mm:tt@dd": false,
"hh/-nn/mm:tt@dd": false,
"hh/nn/-mm:tt@dd": false,
"hh/nn/mm:-tt@dd": false,
"hh/nn/mm:tt@-dd": false,
"": false,
// hosts
"host:https/namespace/model:tag": true,
// colon in non-host part before tag
"host/name:space/model:tag": false,
}
func BenchmarkParseName(b *testing.B) {
b.ReportAllocs()
for range b.N {
keep(ParseNameFill("example.com/mistral:7b+Q4_0", FillNothing))
func TestNameparseNameDefault(t *testing.T) {
const name = "xx"
n := ParseName(name)
got := n.String()
want := "registry.ollama.ai/library/xx:latest"
if got != want {
t.Errorf("parseName(%q).String() = %q; want %q", name, got, want)
}
}
func FuzzParseNameFromFilepath(f *testing.F) {
f.Add("example.com/library/mistral/7b/Q4_0")
f.Add("example.com/../mistral/7b/Q4_0")
f.Add("example.com/x/../7b/Q4_0")
f.Add("example.com/x/../7b")
f.Fuzz(func(t *testing.T, s string) {
name := ParseNameFromFilepath(s, FillNothing)
if strings.Contains(s, "..") && !name.IsZero() {
t.Fatalf("non-zero value for path with '..': %q", s)
}
if name.IsValid() == name.IsZero() {
t.Errorf("expected valid path to be non-zero value; got %#v", name)
}
})
}
func FuzzParseName(f *testing.F) {
f.Add("example.com/mistral:7b+Q4_0")
f.Add("example.com/mistral:7b+q4_0")
f.Add("example.com/mistral:7b+x")
f.Add("x/y/z:8n+I")
f.Add(":x")
f.Add("@sha256-123456")
f.Add("example.com/mistral:latest+Q4_0@sha256-123456")
f.Add(":@!@")
f.Add("...")
f.Fuzz(func(t *testing.T, s string) {
r0 := ParseNameFill(s, FillNothing)
if strings.Contains(s, "..") && !r0.IsZero() {
t.Fatalf("non-zero value for path with '..': %q", s)
}
if !r0.IsValid() && !r0.IsResolved() {
if !r0.EqualFold(Name{}) {
t.Errorf("expected invalid path to be zero value; got %#v", r0)
}
t.Skipf("invalid path: %q", s)
func TestNameIsValid(t *testing.T) {
var numStringTests int
for s, want := range testCases {
n := parseName(s)
t.Logf("n: %#v", n)
got := n.IsValid()
if got != want {
t.Errorf("parseName(%q).IsValid() = %v; want %v", s, got, want)
}
for _, p := range r0.parts {
if len(p) > MaxNamePartLen {
t.Errorf("part too long: %q", p)
// Test roundtrip with String
if got {
got := parseName(s).String()
if got != s {
t.Errorf("parseName(%q).String() = %q; want %q", s, got, s)
}
numStringTests++
}
}
if !strings.EqualFold(r0.DisplayLong(), s) {
t.Errorf("String() did not round-trip with case insensitivity: %q\ngot = %q\nwant = %q", s, r0.DisplayLong(), s)
}
r1 := ParseNameFill(r0.DisplayLong(), FillNothing)
if !r0.EqualFold(r1) {
t.Errorf("round-trip mismatch: %+v != %+v", r0, r1)
}
})
}
func TestNameStringAllocs(t *testing.T) {
name := ParseNameFill("example.com/ns/mistral:latest+Q4_0", FillNothing)
allocs := testing.AllocsPerRun(1000, func() {
keep(name.DisplayLong())
})
if allocs > 1 {
t.Errorf("String allocs = %v; want 0", allocs)
if numStringTests == 0 {
t.Errorf("no tests for Name.String")
}
}
func TestNamePath(t *testing.T) {
func TestNameIsValidPart(t *testing.T) {
cases := []struct {
in string
want string
kind partKind
s string
want bool
}{
{"example.com/library/mistral:latest+Q4_0", "example.com/library/mistral:latest"},
// incomplete
{"example.com/library/mistral:latest", "example.com/library/mistral:latest"},
{"", ""},
{kind: kindHost, s: "", want: false},
{kind: kindHost, s: "a", want: true},
{kind: kindHost, s: "a.", want: true},
{kind: kindHost, s: "a.b", want: true},
{kind: kindHost, s: "a:123", want: true},
{kind: kindHost, s: "a:123/aa/bb", want: false},
{kind: kindNamespace, s: "bb", want: true},
{kind: kindNamespace, s: "a.", want: false},
{kind: kindModel, s: "-h", want: false},
{kind: kindDigest, s: "sha256-1000000000000000000000000000000000000000000000000000000000000000", want: true},
}
for _, tt := range cases {
t.Run(tt.in, func(t *testing.T) {
p := ParseNameFill(tt.in, FillNothing)
t.Logf("ParseName(%q) = %#v", tt.in, p)
if g := p.DisplayURLPath(); g != tt.want {
t.Errorf("got = %q; want %q", g, tt.want)
t.Run(tt.s, func(t *testing.T) {
got := isValidPart(tt.kind, tt.s)
if got != tt.want {
t.Errorf("isValidPart(%s, %q) = %v; want %v", tt.kind, tt.s, got, tt.want)
}
})
}
}
func TestNameFilepath(t *testing.T) {
cases := []struct {
in string
want string
wantNoBuild string
}{
{
in: "example.com/library/mistral:latest+Q4_0",
want: "example.com/library/mistral/latest/Q4_0",
wantNoBuild: "example.com/library/mistral/latest",
},
{
in: "Example.Com/Library/Mistral:Latest+Q4_0",
want: "example.com/library/mistral/latest/Q4_0",
wantNoBuild: "example.com/library/mistral/latest",
},
{
in: "Example.Com/Library/Mistral:Latest+Q4_0",
want: "example.com/library/mistral/latest/Q4_0",
wantNoBuild: "example.com/library/mistral/latest",
},
{
in: "example.com/library/mistral:latest",
want: "example.com/library/mistral/latest",
wantNoBuild: "example.com/library/mistral/latest",
},
{
in: "",
want: "",
wantNoBuild: "",
},
func FuzzName(f *testing.F) {
for s := range testCases {
f.Add(s)
}
for _, tt := range cases {
t.Run(tt.in, func(t *testing.T) {
p := ParseNameFill(tt.in, FillNothing)
t.Logf("ParseName(%q) = %#v", tt.in, p)
g := p.Filepath()
g = filepath.ToSlash(g)
if g != tt.want {
t.Errorf("got = %q; want %q", g, tt.want)
f.Fuzz(func(t *testing.T, s string) {
n := parseName(s)
if n.IsValid() {
parts := [...]string{n.Host, n.Namespace, n.Model, n.Tag, n.RawDigest}
for _, part := range parts {
if part == ".." {
t.Errorf("unexpected .. as valid part")
}
if len(part) > 350 {
t.Errorf("part too long: %q", part)
}
}
g = p.FilepathNoBuild()
g = filepath.ToSlash(g)
if g != tt.wantNoBuild {
t.Errorf("got = %q; want %q", g, tt.wantNoBuild)
if n.String() != s {
t.Errorf("String() = %q; want %q", n.String(), s)
}
})
}
}
})
}
func TestParseNameFilepath(t *testing.T) {
cases := []struct {
in string
fill string // default is FillNothing
want string
}{
{
in: "example.com/library/mistral/latest/Q4_0",
want: "example.com/library/mistral:latest+Q4_0",
},
{
in: "example.com/library/mistral/latest",
fill: "?/?/?:latest+Q4_0",
want: "example.com/library/mistral:latest+Q4_0",
},
{
in: "example.com/library/mistral",
fill: "?/?/?:latest+Q4_0",
want: "example.com/library/mistral:latest+Q4_0",
},
{
in: "example.com/library",
want: "",
},
{
in: "example.com/",
want: "",
},
{
in: "example.com/^/mistral/latest/Q4_0",
want: "",
},
{
in: "example.com/library/mistral/../Q4_0",
want: "",
},
{
in: "example.com/library/mistral/latest/Q4_0/extra",
want: "",
},
const validSHA256Hex = "abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789"
func TestParseDigest(t *testing.T) {
cases := map[string]bool{
"sha256-1000000000000000000000000000000000000000000000000000000000000000": true,
"sha256:1000000000000000000000000000000000000000000000000000000000000000": true,
"sha256:0000000000000000000000000000000000000000000000000000000000000000": false,
"sha256:" + validSHA256Hex: true,
"sha256-" + validSHA256Hex: true,
"": false,
"sha134:" + validSHA256Hex: false,
"sha256:" + validSHA256Hex + "x": false,
"sha256:x" + validSHA256Hex: false,
"sha256-" + validSHA256Hex + "x": false,
"sha256-x": false,
}
for _, tt := range cases {
t.Run(tt.in, func(t *testing.T) {
in := strings.ReplaceAll(tt.in, "/", string(filepath.Separator))
fill := cmp.Or(tt.fill, FillNothing)
want := ParseNameFill(tt.want, fill)
if g := ParseNameFromFilepath(in, fill); !g.EqualFold(want) {
t.Errorf("got = %q; want %q", g.DisplayLong(), tt.want)
for s, want := range cases {
t.Run(s, func(t *testing.T) {
d := ParseDigest(s)
if d.IsValid() != want {
t.Errorf("ParseDigest(%q).IsValid() = %v; want %v", s, d.IsValid(), want)
}
norm := strings.ReplaceAll(s, ":", "-")
if d.IsValid() && d.String() != norm {
t.Errorf("ParseDigest(%q).String() = %q; want %q", s, d.String(), norm)
}
})
}
}
func TestParseNameFromPath(t *testing.T) {
func TestDigestString(t *testing.T) {
cases := []struct {
in string
want string
fill string // default is FillNothing
}{
{
in: "example.com/library/mistral:latest+Q4_0",
want: "example.com/library/mistral:latest+Q4_0",
},
{
in: "/example.com/library/mistral:latest+Q4_0",
want: "example.com/library/mistral:latest+Q4_0",
},
{
in: "/example.com/library/mistral",
want: "example.com/library/mistral",
},
{
in: "/example.com/library/mistral",
fill: "?/?/?:latest+Q4_0",
want: "example.com/library/mistral:latest+Q4_0",
},
{
in: "/example.com/library",
want: "",
},
{
in: "/example.com/",
want: "",
},
{
in: "/example.com/^/mistral/latest",
want: "",
},
{in: "sha256:" + validSHA256Hex, want: "sha256-" + validSHA256Hex},
{in: "sha256-" + validSHA256Hex, want: "sha256-" + validSHA256Hex},
{in: "", want: "unknown-0000000000000000000000000000000000000000000000000000000000000000"},
{in: "blah-100000000000000000000000000000000000000000000000000000000000000", want: "unknown-0000000000000000000000000000000000000000000000000000000000000000"},
}
for _, tt := range cases {
t.Run(tt.in, func(t *testing.T) {
fill := cmp.Or(tt.fill, FillNothing)
if g := ParseNameFromURLPath(tt.in, fill); g.DisplayLong() != tt.want {
t.Errorf("got = %q; want %q", g.DisplayLong(), tt.want)
d := ParseDigest(tt.in)
if d.String() != tt.want {
t.Errorf("ParseDigest(%q).String() = %q; want %q", tt.in, d.String(), tt.want)
}
})
}
}
func ExampleName_MapHash() {
m := map[uint64]bool{}
// key 1
m[ParseNameFill("mistral:latest+q4", FillNothing).MapHash()] = true
m[ParseNameFill("miSTRal:latest+Q4", FillNothing).MapHash()] = true
m[ParseNameFill("mistral:LATest+Q4", FillNothing).MapHash()] = true
// key 2
m[ParseNameFill("mistral:LATest", FillNothing).MapHash()] = true
fmt.Println(len(m))
// Output:
// 2
}
func ExampleName_CompareFold_sort() {
names := []Name{
ParseNameFill("mistral:latest", FillNothing),
ParseNameFill("mistRal:7b+q4", FillNothing),
ParseNameFill("MIstral:7b", FillNothing),
}
slices.SortFunc(names, Name.CompareFold)
for _, n := range names {
fmt.Println(n.DisplayLong())
}
// Output:
// MIstral:7b
// mistRal:7b+q4
// mistral:latest
}
func ExampleName_completeAndResolved() {
for _, s := range []string{
"x/y/z:latest+q4_0@sha123-abc",
"x/y/z:latest+q4_0",
"@sha123-abc",
} {
name := ParseNameFill(s, FillNothing)
fmt.Printf("complete:%v resolved:%v digest:%s\n", name.IsComplete(), name.IsResolved(), name.Digest())
}
// Output:
// complete:true resolved:true digest:sha123-abc
// complete:true resolved:false digest:
// complete:false resolved:true digest:sha123-abc
}
func ExampleName_DisplayShortest() {
name := ParseNameFill("example.com/jmorganca/mistral:latest+Q4_0", FillNothing)
fmt.Println(name.DisplayShortest("example.com/jmorganca/_:latest"))
fmt.Println(name.DisplayShortest("example.com/_/_:latest"))
fmt.Println(name.DisplayShortest("example.com/_/_:_"))
fmt.Println(name.DisplayShortest("_/_/_:_"))
// Default
name = ParseNameFill("registry.ollama.ai/library/mistral:latest+Q4_0", FillNothing)
fmt.Println(name.DisplayShortest(""))
// Output:
// mistral
// jmorganca/mistral
// jmorganca/mistral:latest
// example.com/jmorganca/mistral:latest
// mistral
}
func keep[T any](v T) T { return v }
types/model/testdata/fuzz/FuzzParseRef/b51b1c875e61a948 deleted 100644 → 0
View file @ 2a80f55e
go test fuzz v1
string("0+.\xf2\x80\xf6\x9d00000\xe5\x99\xe6\xd900\xd90\xa60\x91\xdc0\xff\xbf\x99\xe800\xb9\xdc\xd6\xc300\x970\xfb\xfd0\xe0\x8a\xe1\xad\xd40\x9700\xa80\x980\xdd0000\xb00\x91000\xfe0\x89\x9b\x90\x93\x9f0\xe60\xf7\x84\xb0\x87\xa5\xff0\xa000\x9a\x85\xf6\x85\xfe\xa9\xf9\xe9\xde00\xf4\xe0\x8f\x81\xad\xde00\xd700\xaa\xe000000\xb1\xee0\x91")
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