add maximum retries when pushing (#334)
This commit is contained in:
parent
1556162c90
commit
d9cf18e28d
4 changed files with 35 additions and 21 deletions
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@ -2,6 +2,7 @@ package server
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import (
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import (
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"bytes"
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"bytes"
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"context"
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"crypto/rand"
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"crypto/rand"
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"crypto/sha256"
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"crypto/sha256"
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"encoding/base64"
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"encoding/base64"
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@ -50,7 +51,7 @@ func (r AuthRedirect) URL() (string, error) {
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return fmt.Sprintf("%s?service=%s&scope=%s&ts=%d&nonce=%s", r.Realm, r.Service, r.Scope, time.Now().Unix(), nonce), nil
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return fmt.Sprintf("%s?service=%s&scope=%s&ts=%d&nonce=%s", r.Realm, r.Service, r.Scope, time.Now().Unix(), nonce), nil
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}
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}
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func getAuthToken(redirData AuthRedirect, regOpts *RegistryOptions) (string, error) {
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func getAuthToken(ctx context.Context, redirData AuthRedirect, regOpts *RegistryOptions) (string, error) {
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url, err := redirData.URL()
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url, err := redirData.URL()
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if err != nil {
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if err != nil {
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return "", err
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return "", err
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@ -92,7 +93,7 @@ func getAuthToken(redirData AuthRedirect, regOpts *RegistryOptions) (string, err
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"Authorization": sig,
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"Authorization": sig,
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}
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}
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resp, err := makeRequest("GET", url, headers, nil, regOpts)
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resp, err := makeRequest(ctx, "GET", url, headers, nil, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't get token: %q", err)
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log.Printf("couldn't get token: %q", err)
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}
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}
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@ -137,7 +137,7 @@ func doDownload(ctx context.Context, mp ModelPath, regOpts *RegistryOptions, f *
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"Range": fmt.Sprintf("bytes=%d-", size),
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"Range": fmt.Sprintf("bytes=%d-", size),
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}
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}
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resp, err := makeRequest("GET", url, headers, nil, regOpts)
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resp, err := makeRequest(ctx, "GET", url, headers, nil, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't download blob: %v", err)
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log.Printf("couldn't download blob: %v", err)
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return err
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return err
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@ -24,6 +24,8 @@ import (
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"github.com/jmorganca/ollama/vector"
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"github.com/jmorganca/ollama/vector"
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)
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)
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const MaxRetries = 3
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type RegistryOptions struct {
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type RegistryOptions struct {
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Insecure bool
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Insecure bool
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Username string
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Username string
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@ -856,7 +858,7 @@ func DeleteModel(name string) error {
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return nil
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return nil
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}
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}
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func PushModel(name string, regOpts *RegistryOptions, fn func(api.ProgressResponse)) error {
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func PushModel(ctx context.Context, name string, regOpts *RegistryOptions, fn func(api.ProgressResponse)) error {
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mp := ParseModelPath(name)
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mp := ParseModelPath(name)
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fn(api.ProgressResponse{Status: "retrieving manifest"})
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fn(api.ProgressResponse{Status: "retrieving manifest"})
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@ -872,7 +874,7 @@ func PushModel(name string, regOpts *RegistryOptions, fn func(api.ProgressRespon
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layers = append(layers, &manifest.Config)
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layers = append(layers, &manifest.Config)
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for _, layer := range layers {
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for _, layer := range layers {
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exists, err := checkBlobExistence(mp, layer.Digest, regOpts)
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exists, err := checkBlobExistence(ctx, mp, layer.Digest, regOpts)
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if err != nil {
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if err != nil {
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return err
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return err
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}
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}
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@ -894,13 +896,13 @@ func PushModel(name string, regOpts *RegistryOptions, fn func(api.ProgressRespon
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Total: layer.Size,
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Total: layer.Size,
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})
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})
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location, err := startUpload(mp, regOpts)
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location, err := startUpload(ctx, mp, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't start upload: %v", err)
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log.Printf("couldn't start upload: %v", err)
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return err
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return err
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}
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}
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err = uploadBlobChunked(mp, location, layer, regOpts, fn)
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err = uploadBlobChunked(ctx, mp, location, layer, regOpts, fn)
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if err != nil {
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if err != nil {
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log.Printf("error uploading blob: %v", err)
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log.Printf("error uploading blob: %v", err)
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return err
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return err
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@ -918,7 +920,7 @@ func PushModel(name string, regOpts *RegistryOptions, fn func(api.ProgressRespon
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return err
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return err
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}
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}
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resp, err := makeRequest("PUT", url, headers, bytes.NewReader(manifestJSON), regOpts)
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resp, err := makeRequest(ctx, "PUT", url, headers, bytes.NewReader(manifestJSON), regOpts)
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if err != nil {
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if err != nil {
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return err
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return err
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}
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}
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@ -940,7 +942,7 @@ func PullModel(ctx context.Context, name string, regOpts *RegistryOptions, fn fu
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fn(api.ProgressResponse{Status: "pulling manifest"})
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fn(api.ProgressResponse{Status: "pulling manifest"})
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manifest, err := pullModelManifest(mp, regOpts)
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manifest, err := pullModelManifest(ctx, mp, regOpts)
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if err != nil {
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if err != nil {
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return fmt.Errorf("pull model manifest: %s", err)
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return fmt.Errorf("pull model manifest: %s", err)
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}
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}
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@ -996,13 +998,13 @@ func PullModel(ctx context.Context, name string, regOpts *RegistryOptions, fn fu
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return nil
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return nil
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}
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}
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func pullModelManifest(mp ModelPath, regOpts *RegistryOptions) (*ManifestV2, error) {
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func pullModelManifest(ctx context.Context, mp ModelPath, regOpts *RegistryOptions) (*ManifestV2, error) {
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url := fmt.Sprintf("%s/v2/%s/manifests/%s", mp.Registry, mp.GetNamespaceRepository(), mp.Tag)
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url := fmt.Sprintf("%s/v2/%s/manifests/%s", mp.Registry, mp.GetNamespaceRepository(), mp.Tag)
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headers := map[string]string{
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headers := map[string]string{
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"Accept": "application/vnd.docker.distribution.manifest.v2+json",
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"Accept": "application/vnd.docker.distribution.manifest.v2+json",
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}
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}
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resp, err := makeRequest("GET", url, headers, nil, regOpts)
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resp, err := makeRequest(ctx, "GET", url, headers, nil, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't get manifest: %v", err)
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log.Printf("couldn't get manifest: %v", err)
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return nil, err
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return nil, err
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@ -1061,10 +1063,10 @@ func GetSHA256Digest(r io.Reader) (string, int) {
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return fmt.Sprintf("sha256:%x", h.Sum(nil)), int(n)
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return fmt.Sprintf("sha256:%x", h.Sum(nil)), int(n)
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}
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}
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func startUpload(mp ModelPath, regOpts *RegistryOptions) (string, error) {
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func startUpload(ctx context.Context, mp ModelPath, regOpts *RegistryOptions) (string, error) {
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url := fmt.Sprintf("%s/v2/%s/blobs/uploads/", mp.Registry, mp.GetNamespaceRepository())
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url := fmt.Sprintf("%s/v2/%s/blobs/uploads/", mp.Registry, mp.GetNamespaceRepository())
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resp, err := makeRequest("POST", url, nil, nil, regOpts)
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resp, err := makeRequest(ctx, "POST", url, nil, nil, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't start upload: %v", err)
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log.Printf("couldn't start upload: %v", err)
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return "", err
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return "", err
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@ -1087,10 +1089,10 @@ func startUpload(mp ModelPath, regOpts *RegistryOptions) (string, error) {
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}
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}
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// Function to check if a blob already exists in the Docker registry
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// Function to check if a blob already exists in the Docker registry
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func checkBlobExistence(mp ModelPath, digest string, regOpts *RegistryOptions) (bool, error) {
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func checkBlobExistence(ctx context.Context, mp ModelPath, digest string, regOpts *RegistryOptions) (bool, error) {
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url := fmt.Sprintf("%s/v2/%s/blobs/%s", mp.Registry, mp.GetNamespaceRepository(), digest)
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url := fmt.Sprintf("%s/v2/%s/blobs/%s", mp.Registry, mp.GetNamespaceRepository(), digest)
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resp, err := makeRequest("HEAD", url, nil, nil, regOpts)
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resp, err := makeRequest(ctx, "HEAD", url, nil, nil, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't check for blob: %v", err)
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log.Printf("couldn't check for blob: %v", err)
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return false, err
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return false, err
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@ -1101,7 +1103,7 @@ func checkBlobExistence(mp ModelPath, digest string, regOpts *RegistryOptions) (
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return resp.StatusCode == http.StatusOK, nil
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return resp.StatusCode == http.StatusOK, nil
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}
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}
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func uploadBlobChunked(mp ModelPath, url string, layer *Layer, regOpts *RegistryOptions, fn func(api.ProgressResponse)) error {
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func uploadBlobChunked(ctx context.Context, mp ModelPath, url string, layer *Layer, regOpts *RegistryOptions, fn func(api.ProgressResponse)) error {
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// TODO allow resumability
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// TODO allow resumability
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// TODO allow canceling uploads via DELETE
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// TODO allow canceling uploads via DELETE
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// TODO allow cross repo blob mount
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// TODO allow cross repo blob mount
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@ -1158,7 +1160,7 @@ func uploadBlobChunked(mp ModelPath, url string, layer *Layer, regOpts *Registry
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headers["Content-Length"] = strconv.Itoa(int(layer.Size))
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headers["Content-Length"] = strconv.Itoa(int(layer.Size))
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// finish the upload
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// finish the upload
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resp, err := makeRequest("PUT", url, headers, r, regOpts)
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resp, err := makeRequest(ctx, "PUT", url, headers, r, regOpts)
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if err != nil {
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if err != nil {
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log.Printf("couldn't finish upload: %v", err)
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log.Printf("couldn't finish upload: %v", err)
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return err
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return err
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@ -1172,7 +1174,16 @@ func uploadBlobChunked(mp ModelPath, url string, layer *Layer, regOpts *Registry
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return nil
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return nil
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}
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}
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func makeRequest(method, url string, headers map[string]string, body io.Reader, regOpts *RegistryOptions) (*http.Response, error) {
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func makeRequest(ctx context.Context, method, url string, headers map[string]string, body io.Reader, regOpts *RegistryOptions) (*http.Response, error) {
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retryCtx := ctx.Value("retries")
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var retries int
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var ok bool
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if retries, ok = retryCtx.(int); ok {
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if retries > MaxRetries {
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return nil, fmt.Errorf("Maximum retries hit; are you sure you have access to this resource?")
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}
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}
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if !strings.HasPrefix(url, "http") {
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if !strings.HasPrefix(url, "http") {
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if regOpts.Insecure {
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if regOpts.Insecure {
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url = "http://" + url
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url = "http://" + url
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@ -1225,13 +1236,14 @@ func makeRequest(method, url string, headers map[string]string, body io.Reader,
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if resp.StatusCode == http.StatusUnauthorized {
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if resp.StatusCode == http.StatusUnauthorized {
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auth := resp.Header.Get("Www-Authenticate")
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auth := resp.Header.Get("Www-Authenticate")
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authRedir := ParseAuthRedirectString(string(auth))
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authRedir := ParseAuthRedirectString(string(auth))
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token, err := getAuthToken(authRedir, regOpts)
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token, err := getAuthToken(ctx, authRedir, regOpts)
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if err != nil {
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if err != nil {
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return nil, err
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return nil, err
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}
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}
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regOpts.Token = token
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regOpts.Token = token
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bodyCopy = bytes.NewReader(buf.Bytes())
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bodyCopy = bytes.NewReader(buf.Bytes())
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return makeRequest(method, url, headers, bodyCopy, regOpts)
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ctx = context.WithValue(ctx, "retries", retries+1)
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return makeRequest(ctx, method, url, headers, bodyCopy, regOpts)
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}
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}
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return resp, nil
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return resp, nil
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@ -277,7 +277,8 @@ func PushModelHandler(c *gin.Context) {
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Password: req.Password,
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Password: req.Password,
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}
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}
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if err := PushModel(req.Name, regOpts, fn); err != nil {
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ctx := context.Background()
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if err := PushModel(ctx, req.Name, regOpts, fn); err != nil {
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ch <- gin.H{"error": err.Error()}
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ch <- gin.H{"error": err.Error()}
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}
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}
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}()
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}()
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