bc13da2bfe
Putting the rocm symlink next to the runners is risky. This moves the payloads into a subdir to avoid potential clashes.
67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package gpu
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import (
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"fmt"
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"log/slog"
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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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"sync"
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)
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var (
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lock sync.Mutex
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payloadsDir = ""
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)
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func PayloadsDir() (string, error) {
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lock.Lock()
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defer lock.Unlock()
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if payloadsDir == "" {
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tmpDir, err := os.MkdirTemp("", "ollama")
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if err != nil {
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return "", fmt.Errorf("failed to generate tmp dir: %w", err)
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}
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// We create a distinct subdirectory for payloads within the tmpdir
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// This will typically look like /tmp/ollama3208993108/runners on linux
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payloadsDir = filepath.Join(tmpDir, "runners")
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}
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return payloadsDir, nil
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}
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func Cleanup() {
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lock.Lock()
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defer lock.Unlock()
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if payloadsDir != "" {
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// We want to fully clean up the tmpdir parent of the payloads dir
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tmpDir := filepath.Clean(filepath.Join(payloadsDir, ".."))
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slog.Debug("cleaning up", "dir", tmpDir)
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err := os.RemoveAll(tmpDir)
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if err != nil {
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slog.Warn("failed to clean up", "dir", tmpDir, "err", err)
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}
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}
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}
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func UpdatePath(dir string) {
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if runtime.GOOS == "windows" {
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tmpDir := filepath.Dir(dir)
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pathComponents := strings.Split(os.Getenv("PATH"), ";")
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i := 0
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for _, comp := range pathComponents {
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if strings.EqualFold(comp, dir) {
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return
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}
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// Remove any other prior paths to our temp dir
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if !strings.HasPrefix(strings.ToLower(comp), strings.ToLower(tmpDir)) {
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pathComponents[i] = comp
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i++
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}
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}
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newPath := strings.Join(append([]string{dir}, pathComponents...), ";")
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slog.Info(fmt.Sprintf("Updating PATH to %s", newPath))
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os.Setenv("PATH", newPath)
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}
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// linux and darwin rely on rpath
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}
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