portainer/pkg/registryhttp/client.go

62 lines
2.1 KiB
Go

package registryhttp
import (
"net/http"
portainer "github.com/portainer/portainer/api"
"github.com/rs/zerolog/log"
"oras.land/oras-go/v2/registry/remote/retry"
)
// CreateClient creates an HTTP client with appropriate TLS configuration based on registry type.
// All registries use retry clients for better resilience.
// Returns the HTTP client, whether to use plainHTTP, and any error.
func CreateClient(registry *portainer.Registry) (httpClient *http.Client, usePlainHttp bool, err error) {
switch registry.Type {
case portainer.AzureRegistry, portainer.EcrRegistry, portainer.GithubRegistry, portainer.GitlabRegistry, portainer.DockerHubRegistry:
// Cloud registries use the default retry client with built-in TLS
return retry.DefaultClient, false, nil
default:
// For all other registry types, use shared helper to build transport and scheme
// if no management configuration, treat as plain HTTP for custom registries
hasConfiguration := registry.ManagementConfiguration != nil
if !hasConfiguration {
return retry.DefaultClient, true, nil
}
tlsCfg := registry.ManagementConfiguration.TLSConfig
// If TLS is disabled, use plain HTTP with default client
if !tlsCfg.TLS {
return retry.DefaultClient, true, nil
}
// If TLS is enabled and uses trusted system CA (no custom bundle, no skip-verify),
// use the default retry client over HTTPS
usesTrustedSystemCA := !tlsCfg.TLSSkipVerify && tlsCfg.TLSCACertPath == "" && tlsCfg.TLSCertPath == "" && tlsCfg.TLSKeyPath == ""
if usesTrustedSystemCA {
return retry.DefaultClient, false, nil
}
transport, scheme, err := BuildTransportAndSchemeFromTLSConfig(tlsCfg)
if err != nil {
log.Error().Err(err).Msg("Failed to create TLS configuration")
return nil, false, err
}
// If scheme is http, we can use the default client and instruct callers to use plainHTTP
if scheme == "http" {
return retry.DefaultClient, true, nil
}
// For https, wrap our transport with retry
retryTransport := retry.NewTransport(transport)
httpClient := &http.Client{
Transport: retryTransport,
}
return httpClient, false, nil
}
}