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http.go
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http.go
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// Copyright 2023 The PipeCD Authors.
//
// 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 provides a way to analyze with http requests.
// This allows you to do smoke tests, load tests and so on, at your leisure.
package http
import (
"context"
"fmt"
"net/http"
"time"
"github.com/pipe-cd/pipecd/pkg/config"
)
const (
ProviderType = "HTTP"
defaultTimeout = 30 * time.Second
)
type Provider struct {
client *http.Client
}
func (p *Provider) Type() string {
return ProviderType
}
func NewProvider(timeout time.Duration) *Provider {
if timeout == 0 {
timeout = defaultTimeout
}
return &Provider{
client: &http.Client{Timeout: timeout},
}
}
// Run sends an HTTP request and then evaluate whether the response is expected one.
func (p *Provider) Run(ctx context.Context, cfg *config.AnalysisHTTP) (bool, string, error) {
req, err := p.makeRequest(ctx, cfg)
if err != nil {
return false, "", err
}
res, err := p.client.Do(req)
if err != nil {
return false, "", err
}
defer res.Body.Close()
if res.StatusCode != cfg.ExpectedCode {
return false, "", fmt.Errorf("unexpected status code %d", res.StatusCode)
}
// TODO: Decide how to check if the body is expected one.
return true, "", nil
}
func (p *Provider) makeRequest(ctx context.Context, cfg *config.AnalysisHTTP) (*http.Request, error) {
req, err := http.NewRequestWithContext(ctx, cfg.Method, cfg.URL, nil)
if err != nil {
return nil, err
}
req.Header = make(http.Header, len(cfg.Headers))
for _, h := range cfg.Headers {
req.Header.Set(h.Key, h.Value)
}
return req, nil
}