mirror of
https://github.com/ollama/ollama.git
synced 2025-05-10 18:06:33 +02:00
348b3e0983
This commit copies (without history) the bmizerany/ollama-go repository with the intention of integrating it into the ollama as a replacement for the pushing, and pulling of models, and management of the cache they are pushed and pulled from. New homes for these packages will be determined as they are integrated and we have a better understanding of proper package boundaries.
656 lines
17 KiB
Go
656 lines
17 KiB
Go
package ollama
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/fs"
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"math/rand/v2"
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"net/http"
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"net/http/httptest"
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"os"
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"path"
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"reflect"
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"slices"
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"strings"
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"testing"
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"time"
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"github.com/ollama/ollama/server/internal/cache/blob"
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"github.com/ollama/ollama/server/internal/chunks"
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"github.com/ollama/ollama/server/internal/internal/testutil"
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)
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func TestManifestMarshalJSON(t *testing.T) {
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// All manifests should contain an "empty" config object.
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var m Manifest
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data, err := json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Contains(data, []byte(`"config":{"digest":"sha256:`)) {
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t.Error("expected manifest to contain empty config")
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t.Fatalf("got:\n%s", string(data))
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}
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}
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func link(c *blob.DiskCache, name string, manifest string) {
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_, n, _, err := parseName(name)
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if err != nil {
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panic(err)
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}
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d, err := c.Import(bytes.NewReader([]byte(manifest)), int64(len(manifest)))
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if err != nil {
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panic(err)
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}
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if err := c.Link(n.String(), d); err != nil {
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panic(err)
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}
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}
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var errRoundTrip = errors.New("forced roundtrip error")
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type recordRoundTripper http.HandlerFunc
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func (rr recordRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
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w := httptest.NewRecorder()
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rr(w, req)
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if w.Code == 499 {
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return nil, errRoundTrip
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}
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resp := w.Result()
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// For some reason, Response.Request is not set by httptest.NewRecorder, so we
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// set it manually.
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resp.Request = req
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return w.Result(), nil
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}
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// newClient constructs a cache with predefined manifests for testing. The manifests are:
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//
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// empty: no data
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// zero: no layers
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// single: one layer with the contents "exists"
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// multiple: two layers with the contents "exists" and "here"
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// notfound: a layer that does not exist in the cache
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// null: one null layer (e.g. [null])
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// sizemismatch: one valid layer, and one with a size mismatch (file size is less than the reported size)
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// invalid: a layer with invalid JSON data
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//
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// Tests that want to ensure the client does not communicate with the upstream
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// registry should pass a nil handler, which will cause a panic if
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// communication is attempted.
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//
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// To simulate a network error, pass a handler that returns a 499 status code.
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func newClient(t *testing.T, h http.HandlerFunc) (*Registry, *blob.DiskCache) {
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t.Helper()
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c, err := blob.Open(t.TempDir())
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if err != nil {
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t.Fatal(err)
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}
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mklayer := func(data string) *Layer {
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return &Layer{
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Digest: importBytes(t, c, data),
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Size: int64(len(data)),
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}
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}
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commit := func(name string, layers ...*Layer) {
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t.Helper()
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data, err := json.Marshal(&Manifest{Layers: layers})
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if err != nil {
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t.Fatal(err)
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}
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link(c, name, string(data))
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}
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link(c, "empty", "")
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commit("zero")
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commit("single", mklayer("exists"))
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commit("multiple", mklayer("exists"), mklayer("present"))
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commit("notfound", &Layer{Digest: blob.DigestFromBytes("notfound"), Size: int64(len("notfound"))})
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commit("null", nil)
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commit("sizemismatch", mklayer("exists"), &Layer{Digest: blob.DigestFromBytes("present"), Size: 499})
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link(c, "invalid", "!!!!!")
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rc := &Registry{
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HTTPClient: &http.Client{
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Transport: recordRoundTripper(h),
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},
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}
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return rc, c
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}
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func okHandler(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}
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func checkErrCode(t *testing.T, err error, status int, code string) {
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t.Helper()
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var e *Error
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if !errors.As(err, &e) || e.Status != status || e.Code != code {
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t.Errorf("err = %v; want %v %v", err, status, code)
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}
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}
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func importBytes(t *testing.T, c *blob.DiskCache, data string) blob.Digest {
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d, err := c.Import(strings.NewReader(data), int64(len(data)))
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if err != nil {
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t.Fatal(err)
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}
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return d
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}
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func TestRegistryPushInvalidNames(t *testing.T) {
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rc, c := newClient(t, nil)
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cases := []struct {
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name string
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err error
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}{
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{"", ErrNameInvalid},
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{"@", ErrNameInvalid},
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{"@x", blob.ErrInvalidDigest},
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}
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for _, tt := range cases {
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t.Run(tt.name, func(t *testing.T) {
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// Create a new registry and push a new image.
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err := rc.Push(t.Context(), c, tt.name, nil)
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if !errors.Is(err, tt.err) {
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t.Errorf("err = %v; want %v", err, tt.err)
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}
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})
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}
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}
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func withTraceUnexpected(ctx context.Context) (context.Context, *Trace) {
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t := &Trace{Update: func(*Layer, int64, error) { panic("unexpected") }}
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return WithTrace(ctx, t), t
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}
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func TestPushZero(t *testing.T) {
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rc, c := newClient(t, okHandler)
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err := rc.Push(t.Context(), c, "empty", nil)
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if !errors.Is(err, ErrManifestInvalid) {
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t.Errorf("err = %v; want %v", err, ErrManifestInvalid)
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}
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}
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func TestPushSingle(t *testing.T) {
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rc, c := newClient(t, okHandler)
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err := rc.Push(t.Context(), c, "single", nil)
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testutil.Check(t, err)
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}
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func TestPushMultiple(t *testing.T) {
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rc, c := newClient(t, okHandler)
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err := rc.Push(t.Context(), c, "multiple", nil)
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testutil.Check(t, err)
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}
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func TestPushNotFound(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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t.Errorf("unexpected request: %v", r)
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})
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err := rc.Push(t.Context(), c, "notfound", nil)
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if !errors.Is(err, fs.ErrNotExist) {
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t.Errorf("err = %v; want %v", err, fs.ErrNotExist)
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}
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}
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func TestPushNullLayer(t *testing.T) {
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rc, c := newClient(t, nil)
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err := rc.Push(t.Context(), c, "null", nil)
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if err == nil || !strings.Contains(err.Error(), "invalid manifest") {
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t.Errorf("err = %v; want invalid manifest", err)
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}
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}
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func TestPushSizeMismatch(t *testing.T) {
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rc, c := newClient(t, nil)
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ctx, _ := withTraceUnexpected(t.Context())
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got := rc.Push(ctx, c, "sizemismatch", nil)
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if got == nil || !strings.Contains(got.Error(), "size mismatch") {
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t.Errorf("err = %v; want size mismatch", got)
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}
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}
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func TestPushInvalid(t *testing.T) {
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rc, c := newClient(t, nil)
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err := rc.Push(t.Context(), c, "invalid", nil)
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if err == nil || !strings.Contains(err.Error(), "invalid manifest") {
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t.Errorf("err = %v; want invalid manifest", err)
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}
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}
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func TestPushExistsAtRemote(t *testing.T) {
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var pushed bool
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if strings.Contains(r.URL.Path, "/uploads/") {
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if !pushed {
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// First push. Return an uploadURL.
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pushed = true
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w.Header().Set("Location", "http://blob.store/blobs/123")
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return
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}
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w.WriteHeader(http.StatusAccepted)
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return
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}
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io.Copy(io.Discard, r.Body)
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w.WriteHeader(http.StatusOK)
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})
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rc.MaxStreams = 1 // prevent concurrent uploads
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var errs []error
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ctx := WithTrace(t.Context(), &Trace{
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Update: func(_ *Layer, n int64, err error) {
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// uploading one at a time so no need to lock
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errs = append(errs, err)
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},
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})
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check := testutil.Checker(t)
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err := rc.Push(ctx, c, "single", nil)
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check(err)
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if !errors.Is(errors.Join(errs...), nil) {
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t.Errorf("errs = %v; want %v", errs, []error{ErrCached})
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}
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err = rc.Push(ctx, c, "single", nil)
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check(err)
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}
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func TestPushRemoteError(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if strings.Contains(r.URL.Path, "/blobs/") {
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w.WriteHeader(500)
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io.WriteString(w, `{"errors":[{"code":"blob_error"}]}`)
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return
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}
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})
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got := rc.Push(t.Context(), c, "single", nil)
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checkErrCode(t, got, 500, "blob_error")
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}
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func TestPushLocationError(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Location", ":///x")
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w.WriteHeader(http.StatusAccepted)
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})
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got := rc.Push(t.Context(), c, "single", nil)
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wantContains := "invalid upload URL"
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if got == nil || !strings.Contains(got.Error(), wantContains) {
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t.Errorf("err = %v; want to contain %v", got, wantContains)
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}
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}
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func TestPushUploadRoundtripError(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if r.Host == "blob.store" {
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w.WriteHeader(499) // force RoundTrip error on upload
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return
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}
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w.Header().Set("Location", "http://blob.store/blobs/123")
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})
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got := rc.Push(t.Context(), c, "single", nil)
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if !errors.Is(got, errRoundTrip) {
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t.Errorf("got = %v; want %v", got, errRoundTrip)
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}
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}
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func TestPushUploadFileOpenError(t *testing.T) {
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rc, c := newClient(t, okHandler)
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ctx := WithTrace(t.Context(), &Trace{
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Update: func(l *Layer, _ int64, err error) {
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// Remove the file just before it is opened for upload,
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// but after the initial Stat that happens before the
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// upload starts
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os.Remove(c.GetFile(l.Digest))
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},
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})
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got := rc.Push(ctx, c, "single", nil)
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if !errors.Is(got, fs.ErrNotExist) {
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t.Errorf("got = %v; want fs.ErrNotExist", got)
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}
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}
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func TestPushCommitRoundtripError(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if strings.Contains(r.URL.Path, "/blobs/") {
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panic("unexpected")
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}
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w.WriteHeader(499) // force RoundTrip error
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})
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err := rc.Push(t.Context(), c, "zero", nil)
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if !errors.Is(err, errRoundTrip) {
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t.Errorf("err = %v; want %v", err, errRoundTrip)
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}
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}
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func checkNotExist(t *testing.T, err error) {
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t.Helper()
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if !errors.Is(err, fs.ErrNotExist) {
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t.Fatalf("err = %v; want fs.ErrNotExist", err)
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}
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}
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func TestRegistryPullInvalidName(t *testing.T) {
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rc, c := newClient(t, nil)
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err := rc.Pull(t.Context(), c, "://")
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if !errors.Is(err, ErrNameInvalid) {
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t.Errorf("err = %v; want %v", err, ErrNameInvalid)
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}
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}
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func TestRegistryPullInvalidManifest(t *testing.T) {
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cases := []string{
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"",
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"null",
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"!!!",
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`{"layers":[]}`,
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}
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for _, resp := range cases {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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io.WriteString(w, resp)
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})
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err := rc.Pull(t.Context(), c, "x")
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if !errors.Is(err, ErrManifestInvalid) {
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t.Errorf("err = %v; want invalid manifest", err)
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}
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}
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}
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func TestRegistryPullNotCached(t *testing.T) {
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check := testutil.Checker(t)
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var c *blob.DiskCache
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var rc *Registry
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d := blob.DigestFromBytes("some data")
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rc, c = newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if strings.Contains(r.URL.Path, "/blobs/") {
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io.WriteString(w, "some data")
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return
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}
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fmt.Fprintf(w, `{"layers":[{"digest":%q,"size":9}]}`, d)
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})
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// Confirm that the layer does not exist locally
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_, err := ResolveLocal(c, "model")
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checkNotExist(t, err)
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_, err = c.Get(d)
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checkNotExist(t, err)
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err = rc.Pull(t.Context(), c, "model")
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check(err)
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mw, err := rc.Resolve(t.Context(), "model")
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check(err)
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mg, err := ResolveLocal(c, "model")
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check(err)
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if !reflect.DeepEqual(mw, mg) {
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t.Errorf("mw = %v; mg = %v", mw, mg)
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}
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// Confirm successful download
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info, err := c.Get(d)
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check(err)
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if info.Digest != d {
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t.Errorf("info.Digest = %v; want %v", info.Digest, d)
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}
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if info.Size != 9 {
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t.Errorf("info.Size = %v; want %v", info.Size, 9)
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}
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data, err := os.ReadFile(c.GetFile(d))
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check(err)
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if string(data) != "some data" {
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t.Errorf("data = %q; want %q", data, "exists")
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}
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}
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func TestRegistryPullCached(t *testing.T) {
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cached := blob.DigestFromBytes("exists")
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if strings.Contains(r.URL.Path, "/blobs/") {
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w.WriteHeader(499) // should not be called
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return
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}
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if strings.Contains(r.URL.Path, "/manifests/") {
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fmt.Fprintf(w, `{"layers":[{"digest":%q,"size":6}]}`, cached)
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}
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})
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var errs []error
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var reads []int64
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ctx := WithTrace(t.Context(), &Trace{
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Update: func(d *Layer, n int64, err error) {
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t.Logf("update %v %d %v", d, n, err)
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reads = append(reads, n)
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errs = append(errs, err)
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},
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})
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ctx, cancel := context.WithTimeout(ctx, 3*time.Second)
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defer cancel()
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err := rc.Pull(ctx, c, "single")
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testutil.Check(t, err)
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want := []int64{6}
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if !errors.Is(errors.Join(errs...), ErrCached) {
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t.Errorf("errs = %v; want %v", errs, ErrCached)
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}
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if !slices.Equal(reads, want) {
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t.Errorf("pairs = %v; want %v", reads, want)
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}
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}
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func TestRegistryPullManifestNotFound(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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})
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err := rc.Pull(t.Context(), c, "notfound")
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checkErrCode(t, err, 404, "")
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}
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func TestRegistryPullResolveRemoteError(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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io.WriteString(w, `{"errors":[{"code":"an_error"}]}`)
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})
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err := rc.Pull(t.Context(), c, "single")
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checkErrCode(t, err, 500, "an_error")
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}
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func TestRegistryPullResolveRoundtripError(t *testing.T) {
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rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
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if strings.Contains(r.URL.Path, "/manifests/") {
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w.WriteHeader(499) // force RoundTrip error
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return
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}
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})
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err := rc.Pull(t.Context(), c, "single")
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if !errors.Is(err, errRoundTrip) {
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t.Errorf("err = %v; want %v", err, errRoundTrip)
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}
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}
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// TestRegistryPullMixedCachedNotCached tests that cached layers do not
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// interfere with pulling layers that are not cached
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func TestRegistryPullMixedCachedNotCached(t *testing.T) {
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x := blob.DigestFromBytes("xxxxxx")
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e := blob.DigestFromBytes("exists")
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y := blob.DigestFromBytes("yyyyyy")
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for i := range 10 {
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t.Logf("iteration %d", i)
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digests := []blob.Digest{x, e, y}
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|
|
|
rand.Shuffle(len(digests), func(i, j int) {
|
|
digests[i], digests[j] = digests[j], digests[i]
|
|
})
|
|
|
|
manifest := fmt.Sprintf(`{
|
|
"layers": [
|
|
{"digest":"%s","size":6},
|
|
{"digest":"%s","size":6},
|
|
{"digest":"%s","size":6}
|
|
]
|
|
}`, digests[0], digests[1], digests[2])
|
|
|
|
rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
|
|
switch path.Base(r.URL.Path) {
|
|
case "latest":
|
|
io.WriteString(w, manifest)
|
|
case x.String():
|
|
io.WriteString(w, "xxxxxx")
|
|
case e.String():
|
|
io.WriteString(w, "exists")
|
|
case y.String():
|
|
io.WriteString(w, "yyyyyy")
|
|
default:
|
|
panic(fmt.Sprintf("unexpected request: %v", r))
|
|
}
|
|
})
|
|
|
|
ctx := WithTrace(t.Context(), &Trace{
|
|
Update: func(l *Layer, n int64, err error) {
|
|
t.Logf("update %v %d %v", l, n, err)
|
|
},
|
|
})
|
|
|
|
// Check that we pull all layers that we can.
|
|
|
|
err := rc.Pull(ctx, c, "mixed")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, d := range digests {
|
|
info, err := c.Get(d)
|
|
if err != nil {
|
|
t.Fatalf("Get(%v): %v", d, err)
|
|
}
|
|
if info.Size != 6 {
|
|
t.Errorf("info.Size = %v; want %v", info.Size, 6)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRegistryPullChunking(t *testing.T) {
|
|
rc, c := newClient(t, func(w http.ResponseWriter, r *http.Request) {
|
|
t.Log("request:", r.URL.Host, r.Method, r.URL.Path, r.Header.Get("Range"))
|
|
if r.URL.Host != "blob.store" {
|
|
// The production registry redirects to the blob store.
|
|
http.Redirect(w, r, "http://blob.store"+r.URL.Path, http.StatusFound)
|
|
return
|
|
}
|
|
if strings.Contains(r.URL.Path, "/blobs/") {
|
|
rng := r.Header.Get("Range")
|
|
if rng == "" {
|
|
http.Error(w, "missing range", http.StatusBadRequest)
|
|
return
|
|
}
|
|
_, c, err := chunks.ParseRange(r.Header.Get("Range"))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
io.WriteString(w, "remote"[c.Start:c.End+1])
|
|
return
|
|
}
|
|
fmt.Fprintf(w, `{"layers":[{"digest":%q,"size":6}]}`, blob.DigestFromBytes("remote"))
|
|
})
|
|
|
|
// Force chunking by setting the threshold to less than the size of the
|
|
// layer.
|
|
rc.ChunkingThreshold = 3
|
|
rc.MaxChunkSize = 3
|
|
|
|
var reads []int64
|
|
ctx := WithTrace(t.Context(), &Trace{
|
|
Update: func(d *Layer, n int64, err error) {
|
|
if err != nil {
|
|
t.Errorf("update %v %d %v", d, n, err)
|
|
}
|
|
reads = append(reads, n)
|
|
},
|
|
})
|
|
|
|
err := rc.Pull(ctx, c, "remote")
|
|
testutil.Check(t, err)
|
|
|
|
want := []int64{0, 3, 6}
|
|
if !slices.Equal(reads, want) {
|
|
t.Errorf("reads = %v; want %v", reads, want)
|
|
}
|
|
}
|
|
|
|
func TestRegistryResolveByDigest(t *testing.T) {
|
|
check := testutil.Checker(t)
|
|
|
|
exists := blob.DigestFromBytes("exists")
|
|
rc, _ := newClient(t, func(w http.ResponseWriter, r *http.Request) {
|
|
if r.URL.Path != "/v2/alice/palace/blobs/"+exists.String() {
|
|
w.WriteHeader(499) // should not hit manifest endpoint
|
|
}
|
|
fmt.Fprintf(w, `{"layers":[{"digest":%q,"size":5}]}`, exists)
|
|
})
|
|
|
|
_, err := rc.Resolve(t.Context(), "alice/palace@"+exists.String())
|
|
check(err)
|
|
}
|
|
|
|
func TestInsecureSkipVerify(t *testing.T) {
|
|
exists := blob.DigestFromBytes("exists")
|
|
|
|
s := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
fmt.Fprintf(w, `{"layers":[{"digest":%q,"size":5}]}`, exists)
|
|
}))
|
|
defer s.Close()
|
|
|
|
const name = "ollama.com/library/insecure"
|
|
|
|
var rc Registry
|
|
url := fmt.Sprintf("https://%s/%s", s.Listener.Addr(), name)
|
|
_, err := rc.Resolve(t.Context(), url)
|
|
if err == nil || !strings.Contains(err.Error(), "failed to verify") {
|
|
t.Errorf("err = %v; want cert verifiction failure", err)
|
|
}
|
|
|
|
url = fmt.Sprintf("https+insecure://%s/%s", s.Listener.Addr(), name)
|
|
_, err = rc.Resolve(t.Context(), url)
|
|
testutil.Check(t, err)
|
|
}
|
|
|
|
func TestCanRetry(t *testing.T) {
|
|
cases := []struct {
|
|
err error
|
|
want bool
|
|
}{
|
|
{nil, false},
|
|
{errors.New("x"), false},
|
|
{ErrCached, false},
|
|
{ErrManifestInvalid, false},
|
|
{ErrNameInvalid, false},
|
|
{&Error{Status: 100}, false},
|
|
{&Error{Status: 500}, true},
|
|
}
|
|
for _, tt := range cases {
|
|
if got := canRetry(tt.err); got != tt.want {
|
|
t.Errorf("CanRetry(%v) = %v; want %v", tt.err, got, tt.want)
|
|
}
|
|
}
|
|
}
|