consul/agent/hcp/client/http_client.go

57 lines
1.5 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package client
import (
"crypto/tls"
"net/http"
"time"
"github.com/hashicorp/go-cleanhttp"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/go-retryablehttp"
"golang.org/x/oauth2"
)
const (
// HTTP Client config
defaultStreamTimeout = 15 * time.Second
// Retry config
// TODO: Eventually, we'd like to configure these values dynamically.
defaultRetryWaitMin = 1 * time.Second
defaultRetryWaitMax = 15 * time.Second
// defaultRetryMax is set to 0 to turn off retry functionality, until dynamic configuration is possible.
// This is to circumvent any spikes in load that may cause or exacerbate server-side issues for now.
defaultRetryMax = 0
)
// NewHTTPClient configures the retryable HTTP client.
func NewHTTPClient(tlsCfg *tls.Config, source oauth2.TokenSource, logger hclog.Logger) *retryablehttp.Client {
tlsTransport := cleanhttp.DefaultPooledTransport()
tlsTransport.TLSClientConfig = tlsCfg
var transport http.RoundTripper = &oauth2.Transport{
Base: tlsTransport,
Source: source,
}
client := &http.Client{
Transport: transport,
Timeout: defaultStreamTimeout,
}
retryClient := &retryablehttp.Client{
HTTPClient: client,
Logger: logger,
RetryWaitMin: defaultRetryWaitMin,
RetryWaitMax: defaultRetryWaitMax,
RetryMax: defaultRetryMax,
CheckRetry: retryablehttp.DefaultRetryPolicy,
Backoff: retryablehttp.DefaultBackoff,
}
return retryClient
}