Files
genai-toolbox/internal/sources/http/http.go
Wenxin Du 64da5b4efe feat: Add HTTP Source and Tool (#332)
Add Source and Tool for tool invocation through HTTP requests.
2025-04-02 14:52:35 -04:00

92 lines
2.5 KiB
Go

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package http
import (
"context"
"fmt"
"net/http"
"net/url"
"time"
"github.com/googleapis/genai-toolbox/internal/sources"
"go.opentelemetry.io/otel/trace"
)
const SourceKind string = "http"
// validate interface
var _ sources.SourceConfig = Config{}
type Config struct {
Name string `yaml:"name" validate:"required"`
Kind string `yaml:"kind" validate:"required"`
BaseURL string `yaml:"baseUrl"`
Timeout string `yaml:"timeout"`
DefaultHeaders map[string]string `yaml:"headers"`
QueryParams map[string]string `yaml:"queryParams"`
}
func (r Config) SourceConfigKind() string {
return SourceKind
}
// DefaultConfig is a helper function that generates the default configuration for an HTTP Tool Config.
func DefaultConfig(name string) Config {
return Config{Name: name, Timeout: "30s"}
}
// Initialize initializes an HTTP Source instance.
func (r Config) Initialize(ctx context.Context, tracer trace.Tracer) (sources.Source, error) {
duration, err := time.ParseDuration(r.Timeout)
if err != nil {
return nil, fmt.Errorf("unable to parse Timeout string as time.Duration: %s", err)
}
client := http.Client{
Timeout: duration,
}
// Validate BaseURL
_, err = url.ParseRequestURI(r.BaseURL)
if err != nil {
return nil, fmt.Errorf("failed to parse BaseUrl %v", err)
}
s := &Source{
Name: r.Name,
Kind: SourceKind,
BaseURL: r.BaseURL,
DefaultHeaders: r.DefaultHeaders,
QueryParams: r.QueryParams,
Client: &client,
}
return s, nil
}
var _ sources.Source = &Source{}
type Source struct {
Name string `yaml:"name"`
Kind string `yaml:"kind"`
BaseURL string `yaml:"baseUrl"`
DefaultHeaders map[string]string `yaml:"headers"`
QueryParams map[string]string `yaml:"queryParams"`
Client *http.Client
}
func (s *Source) SourceKind() string {
return SourceKind
}