1e63f3c104
. kapow server generates on startup a pair of certificates that will use to secure communications to its control server. It will communicate the server and client certificates as well as the client private key to the init programs it launches, via environment variables. . kapow server now understands a new flag --control-reachable-addr which accepts either a IP address or a DNS name, that can be used to ensure that the generated server certificate will be appropiate in case the control server must be accessed from something other than localhost. Co-authored-by: Roberto Abdelkader Martínez Pérez <robertomartinezp@gmail.com>
64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
/*
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* Copyright 2019 Banco Bilbao Vizcaya Argentaria, S.A.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package control
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import (
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"crypto/tls"
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"crypto/x509"
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"net"
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"net/http"
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"sync"
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"github.com/BBVA/kapow/internal/certs"
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"github.com/BBVA/kapow/internal/logger"
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)
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// Run Starts the control server listening in bindAddr
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func Run(bindAddr string, wg *sync.WaitGroup, serverCert, clientCert certs.Cert) {
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caCertPool := x509.NewCertPool()
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caCertPool.AppendCertsFromPEM(clientCert.SignedCertPEMBytes())
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ln, err := net.Listen("tcp", bindAddr)
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if err != nil {
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logger.L.Fatal(err)
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}
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server := &http.Server{
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Addr: bindAddr,
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TLSConfig: &tls.Config{
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Certificates: []tls.Certificate{
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tls.Certificate{
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Certificate: [][]byte{serverCert.SignedCert},
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PrivateKey: serverCert.PrivKey,
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Leaf: serverCert.X509Cert,
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},
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},
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ClientAuth: tls.RequireAndVerifyClientCert,
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ClientCAs: caCertPool,
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},
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Handler: configRouter(),
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}
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// Signal startup
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logger.L.Printf("ControlServer listening at %s\n", bindAddr)
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wg.Done()
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// Listen to HTTPS connections with the server certificate and wait
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logger.L.Fatal(server.ServeTLS(ln, "", ""))
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}
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