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Make the TLS certificates management dynamic.

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This commit is contained in:
NicoMen 2017-11-09 12:16:03 +01:00 • committed by Traefiker
parent f6aa147c78
commit c469e669fd
36 changed files with 1257 additions and 513 deletions
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197
configuration/configuration.go
View file

@ -1,10 +1,7 @@
package configuration
import (
"crypto/tls"
"fmt"
"io/ioutil"
"os"
"strings"
"time"
@ -25,6 +22,7 @@ import (
"github.com/containous/traefik/provider/rancher"
"github.com/containous/traefik/provider/web"
"github.com/containous/traefik/provider/zk"
"github.com/containous/traefik/tls"
"github.com/containous/traefik/types"
)
@ -64,7 +62,7 @@ type GlobalConfiguration struct {
MaxIdleConnsPerHost int `description:"If non-zero, controls the maximum idle (keep-alive) to keep per-host. If zero, DefaultMaxIdleConnsPerHost is used" export:"true"`
IdleTimeout flaeg.Duration `description:"(Deprecated) maximum amount of time an idle (keep-alive) connection will remain idle before closing itself." export:"true"` // Deprecated
InsecureSkipVerify bool `description:"Disable SSL certificate verification" export:"true"`
RootCAs RootCAs `description:"Add cert file for self-signed certificate"`
RootCAs tls.RootCAs `description:"Add cert file for self-signed certificate"`
Retry *Retry `description:"Enable retry sending request if network error" export:"true"`
HealthCheck *HealthCheckConfig `description:"Health check parameters" export:"true"`
RespondingTimeouts *RespondingTimeouts `description:"Timeouts for incoming requests to the Traefik instance" export:"true"`
@ -191,68 +189,6 @@ func (dep *DefaultEntryPoints) Type() string {
return "defaultentrypoints"
}
// RootCAs hold the CA we want to have in root
type RootCAs []FileOrContent
// FileOrContent hold a file path or content
type FileOrContent string
func (f FileOrContent) String() string {
return string(f)
}
func (f FileOrContent) Read() ([]byte, error) {
var content []byte
if _, err := os.Stat(f.String()); err == nil {
content, err = ioutil.ReadFile(f.String())
if err != nil {
return nil, err
}
} else {
content = []byte(f)
}
return content, nil
}
// String is the method to format the flag's value, part of the flag.Value interface.
// The String method's output will be used in diagnostics.
func (r *RootCAs) String() string {
sliceOfString := make([]string, len([]FileOrContent(*r)))
for key, value := range *r {
sliceOfString[key] = value.String()
}
return strings.Join(sliceOfString, ",")
}
// Set is the method to set the flag value, part of the flag.Value interface.
// Set's argument is a string to be parsed to set the flag.
// It's a comma-separated list, so we split it.
func (r *RootCAs) Set(value string) error {
rootCAs := strings.Split(value, ",")
if len(rootCAs) == 0 {
return fmt.Errorf("bad RootCAs format: %s", value)
}
for _, rootCA := range rootCAs {
*r = append(*r, FileOrContent(rootCA))
}
return nil
}
// Get return the EntryPoints map
func (r *RootCAs) Get() interface{} {
return RootCAs(*r)
}
// SetValue sets the EntryPoints map with val
func (r *RootCAs) SetValue(val interface{}) {
*r = RootCAs(val.(RootCAs))
}
// Type is type of the struct
func (r *RootCAs) Type() string {
return "rootcas"
}
// EntryPoints holds entry points configuration of the reverse proxy (ip, port, TLS...)
type EntryPoints map[string]*EntryPoint
@ -268,18 +204,18 @@ func (ep *EntryPoints) String() string {
func (ep *EntryPoints) Set(value string) error {
result := parseEntryPointsConfiguration(value)
var configTLS *TLS
var configTLS *tls.TLS
if len(result["tls"]) > 0 {
certs := Certificates{}
certs := tls.Certificates{}
if err := certs.Set(result["tls"]); err != nil {
return err
}
configTLS = &TLS{
configTLS = &tls.TLS{
Certificates: certs,
}
} else if len(result["tls_acme"]) > 0 {
configTLS = &TLS{
Certificates: Certificates{},
configTLS = &tls.TLS{
Certificates: tls.Certificates{},
}
}
if len(result["ca"]) > 0 {
@ -391,7 +327,7 @@ func (ep *EntryPoints) Type() string {
type EntryPoint struct {
Network string
Address string
TLS *TLS `export:"true"`
TLS *tls.TLS `export:"true"`
Redirect *Redirect `export:"true"`
Auth *types.Auth `export:"true"`
WhitelistSourceRange []string
@ -407,123 +343,6 @@ type Redirect struct {
Replacement string
}
// TLS configures TLS for an entry point
type TLS struct {
MinVersion string `export:"true"`
CipherSuites []string
Certificates Certificates
ClientCAFiles []string
}
// MinVersion Map of allowed TLS minimum versions
var MinVersion = map[string]uint16{
`VersionTLS10`: tls.VersionTLS10,
`VersionTLS11`: tls.VersionTLS11,
`VersionTLS12`: tls.VersionTLS12,
}
// CipherSuites Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
var CipherSuites = map[string]uint16{
`TLS_RSA_WITH_RC4_128_SHA`: tls.TLS_RSA_WITH_RC4_128_SHA,
`TLS_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_RSA_WITH_AES_128_CBC_SHA,
`TLS_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_RSA_WITH_AES_256_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
`TLS_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
`TLS_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_RSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
`TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
}
// Certificates defines traefik certificates type
// Certs and Keys could be either a file path, or the file content itself
type Certificates []Certificate
//CreateTLSConfig creates a TLS config from Certificate structures
func (certs *Certificates) CreateTLSConfig() (*tls.Config, error) {
config := &tls.Config{}
config.Certificates = []tls.Certificate{}
certsSlice := []Certificate(*certs)
for _, v := range certsSlice {
var err error
certContent, err := v.CertFile.Read()
if err != nil {
return nil, err
}
keyContent, err := v.KeyFile.Read()
if err != nil {
return nil, err
}
cert, err := tls.X509KeyPair(certContent, keyContent)
if err != nil {
return nil, err
}
config.Certificates = append(config.Certificates, cert)
}
return config, nil
}
// String is the method to format the flag's value, part of the flag.Value interface.
// The String method's output will be used in diagnostics.
func (certs *Certificates) String() string {
if len(*certs) == 0 {
return ""
}
var result []string
for _, certificate := range *certs {
result = append(result, certificate.CertFile.String()+","+certificate.KeyFile.String())
}
return strings.Join(result, ";")
}
// Set is the method to set the flag value, part of the flag.Value interface.
// Set's argument is a string to be parsed to set the flag.
// It's a comma-separated list, so we split it.
func (certs *Certificates) Set(value string) error {
certificates := strings.Split(value, ";")
for _, certificate := range certificates {
files := strings.Split(certificate, ",")
if len(files) != 2 {
return fmt.Errorf("bad certificates format: %s", value)
}
*certs = append(*certs, Certificate{
CertFile: FileOrContent(files[0]),
KeyFile: FileOrContent(files[1]),
})
}
return nil
}
// Type is type of the struct
func (certs *Certificates) Type() string {
return "certificates"
}
// Certificate holds a SSL cert/key pair
// Certs and Key could be either a file path, or the file content itself
type Certificate struct {
CertFile FileOrContent
KeyFile FileOrContent
}
// Retry contains request retry config
type Retry struct {
Attempts int `description:"Number of attempts" export:"true"`