ollama/cmd/cmd.go
2023-07-06 16:34:44 -04:00

126 lines
2.5 KiB
Go

package cmd
import (
"context"
"fmt"
"log"
"net"
"os"
"path"
"sync"
"github.com/gosuri/uiprogress"
"github.com/jmorganca/ollama/api"
"github.com/jmorganca/ollama/server"
"github.com/spf13/cobra"
)
func cacheDir() string {
home, err := os.UserHomeDir()
if err != nil {
panic(err)
}
return path.Join(home, ".ollama")
}
func bytesToGB(bytes int) float64 {
return float64(bytes) / float64(1<<30)
}
func run(model string) error {
client, err := NewAPIClient()
if err != nil {
return err
}
pr := api.PullRequest{
Model: model,
}
var bar *uiprogress.Bar
mutex := &sync.Mutex{}
var progressData api.PullProgress
pullCallback := func(progress api.PullProgress) {
mutex.Lock()
progressData = progress
if bar == nil {
uiprogress.Start()
bar = uiprogress.AddBar(int(progress.Total))
bar.PrependFunc(func(b *uiprogress.Bar) string {
return fmt.Sprintf("Downloading: %.2f GB / %.2f GB", bytesToGB(progressData.Completed), bytesToGB(progressData.Total))
})
bar.AppendFunc(func(b *uiprogress.Bar) string {
return fmt.Sprintf(" %d%%", int((float64(progressData.Completed)/float64(progressData.Total))*100))
})
}
bar.Set(int(progress.Completed))
mutex.Unlock()
}
if err := client.Pull(context.Background(), &pr, pullCallback); err != nil {
return err
}
fmt.Println("Up to date.")
return nil
}
func serve() error {
ln, err := net.Listen("tcp", "127.0.0.1:11434")
if err != nil {
return err
}
return server.Serve(ln)
}
func NewAPIClient() (*api.Client, error) {
return &api.Client{
URL: "http://localhost:11434",
}, nil
}
func NewCLI() *cobra.Command {
log.SetFlags(log.LstdFlags | log.Lshortfile)
rootCmd := &cobra.Command{
Use: "ollama",
Short: "Large language model runner",
CompletionOptions: cobra.CompletionOptions{
DisableDefaultCmd: true,
},
PersistentPreRun: func(cmd *cobra.Command, args []string) {
// Disable usage printing on errors
cmd.SilenceUsage = true
// create the models directory and it's parent
if err := os.MkdirAll(path.Join(cacheDir(), "models"), 0o700); err != nil {
panic(err)
}
},
}
cobra.EnableCommandSorting = false
runCmd := &cobra.Command{
Use: "run MODEL",
Short: "Run a model",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
return run(args[0])
},
}
serveCmd := &cobra.Command{
Use: "serve",
Aliases: []string{"start"},
Short: "Start ollama",
RunE: func(cmd *cobra.Command, args []string) error {
return serve()
},
}
rootCmd.AddCommand(
serveCmd,
runCmd,
)
return rootCmd
}