123 lines
2.8 KiB
Go
123 lines
2.8 KiB
Go
package server
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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type ModelPath struct {
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ProtocolScheme string
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Registry string
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Namespace string
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Repository string
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Tag string
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}
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const (
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DefaultRegistry = "registry.ollama.ai"
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DefaultNamespace = "library"
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DefaultTag = "latest"
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DefaultProtocolScheme = "https"
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)
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func ParseModelPath(name string) ModelPath {
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slashParts := strings.Split(name, "/")
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var registry, namespace, repository, tag string
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switch len(slashParts) {
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case 3:
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registry = slashParts[0]
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namespace = slashParts[1]
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repository = strings.Split(slashParts[2], ":")[0]
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case 2:
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registry = DefaultRegistry
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namespace = slashParts[0]
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repository = strings.Split(slashParts[1], ":")[0]
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case 1:
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registry = DefaultRegistry
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namespace = DefaultNamespace
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repository = strings.Split(slashParts[0], ":")[0]
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default:
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fmt.Println("Invalid image format.")
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return ModelPath{}
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}
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colonParts := strings.Split(slashParts[len(slashParts)-1], ":")
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if len(colonParts) == 2 {
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tag = colonParts[1]
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} else {
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tag = DefaultTag
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}
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return ModelPath{
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ProtocolScheme: DefaultProtocolScheme,
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Registry: registry,
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Namespace: namespace,
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Repository: repository,
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Tag: tag,
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}
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}
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func (mp ModelPath) GetNamespaceRepository() string {
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return fmt.Sprintf("%s/%s", mp.Namespace, mp.Repository)
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}
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func (mp ModelPath) GetFullTagname() string {
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return fmt.Sprintf("%s/%s/%s:%s", mp.Registry, mp.Namespace, mp.Repository, mp.Tag)
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}
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func (mp ModelPath) GetShortTagname() string {
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if mp.Registry == DefaultRegistry {
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if mp.Namespace == DefaultNamespace {
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return fmt.Sprintf("%s:%s", mp.Repository, mp.Tag)
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}
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return fmt.Sprintf("%s/%s:%s", mp.Namespace, mp.Repository, mp.Tag)
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}
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return fmt.Sprintf("%s/%s/%s:%s", mp.Registry, mp.Namespace, mp.Repository, mp.Tag)
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}
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func (mp ModelPath) GetManifestPath(createDir bool) (string, error) {
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home, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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path := filepath.Join(home, ".ollama", "models", "manifests", mp.Registry, mp.Namespace, mp.Repository, mp.Tag)
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if createDir {
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if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
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return "", err
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}
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}
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return path, nil
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}
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func GetManifestPath() (string, error) {
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home, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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return filepath.Join(home, ".ollama", "models", "manifests"), nil
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}
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func GetBlobsPath(digest string) (string, error) {
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home, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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if runtime.GOOS == "windows" {
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digest = strings.ReplaceAll(digest, ":", "-")
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}
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path := filepath.Join(home, ".ollama", "models", "blobs", digest)
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if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
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return "", err
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}
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return path, nil
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}
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