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feature: allow ai-proxy to forward standard AI capabilities that are … (#1704)

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This commit is contained in:
pepesi
2025-02-12 15:23:44 +08:00
committed by GitHub
parent 477e44b9f1
commit a84a382f1d
32 changed files with 517 additions and 158 deletions
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21
plugins/wasm-go/extensions/ai-proxy/provider/cohere.go
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@@ -12,8 +12,10 @@ import (
)
const (
cohereDomain = "api.cohere.com"
cohereDomain = "api.cohere.com"
// TODO: support more capabilities, upgrade to v2, docs: https://docs.cohere.com/v2/reference/chat
cohereChatCompletionPath = "/v1/chat"
cohereRerankPath = "/v1/rerank"
)
type cohereProviderInitializer struct{}
@@ -25,7 +27,15 @@ func (m *cohereProviderInitializer) ValidateConfig(config *ProviderConfig) error
return nil
}
func (m *cohereProviderInitializer) DefaultCapabilities() map[string]string {
return map[string]string{
string(ApiNameChatCompletion): cohereChatCompletionPath,
string(ApiNameCohereV1Rerank): cohereRerankPath,
}
}
func (m *cohereProviderInitializer) CreateProvider(config ProviderConfig) (Provider, error) {
config.setDefaultCapabilities(m.DefaultCapabilities())
return &cohereProvider{
config: config,
contextCache: createContextCache(&config),
@@ -56,7 +66,7 @@ func (m *cohereProvider) GetProviderType() string {
}
func (m *cohereProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, log wrapper.Log) error {
if apiName != ApiNameChatCompletion {
if !m.config.isSupportedAPI(apiName) {
return errUnsupportedApiName
}
m.config.handleRequestHeaders(m, ctx, apiName, log)
@@ -64,7 +74,7 @@ func (m *cohereProvider) OnRequestHeaders(ctx wrapper.HttpContext, apiName ApiNa
}
func (m *cohereProvider) OnRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) (types.Action, error) {
if apiName != ApiNameChatCompletion {
if !m.config.isSupportedAPI(apiName) {
return types.ActionContinue, errUnsupportedApiName
}
return m.config.handleRequestBody(m, m.contextCache, ctx, apiName, body, log)
@@ -90,13 +100,16 @@ func (m *cohereProvider) buildCohereRequest(origin *chatCompletionRequest) *cohe
}
func (m *cohereProvider) TransformRequestHeaders(ctx wrapper.HttpContext, apiName ApiName, headers http.Header, log wrapper.Log) {
util.OverwriteRequestPathHeader(headers, cohereChatCompletionPath)
util.OverwriteRequestPathHeaderByCapability(headers, string(apiName), m.config.capabilities)
util.OverwriteRequestHostHeader(headers, cohereDomain)
util.OverwriteRequestAuthorizationHeader(headers, "Bearer "+m.config.GetApiTokenInUse(ctx))
headers.Del("Content-Length")
}
func (m *cohereProvider) TransformRequestBody(ctx wrapper.HttpContext, apiName ApiName, body []byte, log wrapper.Log) ([]byte, error) {
if apiName != ApiNameChatCompletion {
return m.config.defaultTransformRequestBody(ctx, apiName, body, log)
}
request := &chatCompletionRequest{}
if err := m.config.parseRequestAndMapModel(ctx, request, body, log); err != nil {
return nil, err