portainer/api/http/proxy/factory/docker_compose.go

94 lines
2.1 KiB
Go

package factory
import (
"fmt"
"log"
"net"
"net/http"
"net/url"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/crypto"
"github.com/portainer/portainer/api/http/proxy/factory/dockercompose"
)
// ProxyServer provide an extedned proxy with a local server to forward requests
type ProxyServer struct {
server *http.Server
Port int
}
func (factory *ProxyFactory) NewDockerComposeAgentProxy(endpoint *portainer.Endpoint) (*ProxyServer, error) {
if endpoint.Type == portainer.EdgeAgentOnDockerEnvironment {
return &ProxyServer{
Port: factory.reverseTunnelService.GetTunnelDetails(endpoint.ID).Port,
}, nil
}
endpointURL, err := url.Parse(endpoint.URL)
if err != nil {
return nil, err
}
endpointURL.Scheme = "http"
httpTransport := &http.Transport{}
if endpoint.TLSConfig.TLS || endpoint.TLSConfig.TLSSkipVerify {
config, err := crypto.CreateTLSConfigurationFromDisk(endpoint.TLSConfig.TLSCACertPath, endpoint.TLSConfig.TLSCertPath, endpoint.TLSConfig.TLSKeyPath, endpoint.TLSConfig.TLSSkipVerify)
if err != nil {
return nil, err
}
httpTransport.TLSClientConfig = config
endpointURL.Scheme = "https"
}
proxy := newSingleHostReverseProxyWithHostHeader(endpointURL)
proxy.Transport = dockercompose.NewAgentTransport(factory.signatureService, httpTransport)
proxyServer := &ProxyServer{
server: &http.Server{
Handler: proxy,
},
Port: 0,
}
err = proxyServer.start()
if err != nil {
return nil, err
}
return proxyServer, err
}
func (proxy *ProxyServer) start() error {
listener, err := net.Listen("tcp", ":0")
if err != nil {
return err
}
proxy.Port = listener.Addr().(*net.TCPAddr).Port
go func() {
proxyHost := fmt.Sprintf("127.0.0.1:%d", proxy.Port)
log.Printf("Starting Proxy server on %s...\n", proxyHost)
err := proxy.server.Serve(listener)
log.Printf("Exiting Proxy server %s\n", proxyHost)
if err != nil && err != http.ErrServerClosed {
log.Printf("Proxy server %s exited with an error: %s\n", proxyHost, err)
}
}()
return nil
}
// Close shuts down the server
func (proxy *ProxyServer) Close() {
if proxy.server != nil {
proxy.server.Close()
}
}