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add LOCAL_API_KEY environment variable to support api like ChatAnywhere #308

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add LOCAL_API_KEY environment variable to support api like ChatAnywhere #308

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10 changes: 6 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,7 @@ You can configure OpenCode using environment variables:
| `AZURE_OPENAI_API_KEY` | For Azure OpenAI models (optional when using Entra ID) |
| `AZURE_OPENAI_API_VERSION` | For Azure OpenAI models |
| `LOCAL_ENDPOINT` | For self-hosted models |
| `LOCAL_API_KEY` | For self-hosted models |
| `SHELL` | Default shell to use (if not specified in config) |

### Shell Configuration
Expand Down Expand Up @@ -628,9 +629,11 @@ This is useful for developers who want to experiment with custom models.

You can use a self-hosted model by setting the `LOCAL_ENDPOINT` environment variable.
This will cause OpenCode to load and use the models from the specified endpoint.
`LOCAL_API_KEY` can be empty, or set to your api key.

```bash
LOCAL_ENDPOINT=http://localhost:1235/v1
LOCAL_API_KEY=YOUR_API_KEY
```

### Configuring a self-hosted model
Expand All @@ -639,12 +642,11 @@ You can also configure a self-hosted model in the configuration file under the `

```json
{
"agents": {
"coder": {
"model": "local.granite-3.3-2b-instruct@q8_0",
"task": {
"model": "local.o3",
"maxTokens": 100000,
"reasoningEffort": "high"
}
}
}
```

Expand Down
26 changes: 22 additions & 4 deletions internal/llm/models/local.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,10 @@ const (
)

func init() {
if endpoint := os.Getenv("LOCAL_ENDPOINT"); endpoint != "" {
endpoint := os.Getenv("LOCAL_ENDPOINT")
apiKey := os.Getenv("LOCAL_API_KEY")

if endpoint != "" {
localEndpoint, err := url.Parse(endpoint)
if err != nil {
logging.Debug("Failed to parse local endpoint",
Expand All @@ -34,7 +37,7 @@ func init() {

load := func(url *url.URL, path string) []localModel {
url.Path = path
return listLocalModels(url.String())
return listLocalModels(url.String(), apiKey)
}

models := load(localEndpoint, lmStudioBetaModelsPath)
Expand Down Expand Up @@ -74,8 +77,23 @@ type localModel struct {
LoadedContextLength int64 `json:"loaded_context_length"`
}

func listLocalModels(modelsEndpoint string) []localModel {
res, err := http.Get(modelsEndpoint)

func listLocalModels(modelsEndpoint string, apiKey string) []localModel {
client := &http.Client{}
req, err := http.NewRequest("GET", modelsEndpoint, nil)
if err != nil {
logging.Debug("Failed to create request for local models",
"error", err,
"endpoint", modelsEndpoint,
)
return []localModel{}
}

if apiKey != "" {
req.Header.Add("Authorization", "Bearer "+apiKey)
}

res, err := client.Do(req)
if err != nil {
logging.Debug("Failed to list local models",
"error", err,
Expand Down