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Integrated TLS auth for etcd and consul

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This commit is contained in:
Thomas Boerger 2016-02-19 17:10:48 +01:00
parent 331cd173ce
commit dc10c56b35
5 changed files with 129 additions and 11 deletions
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34
cmd.go
View file

@ -45,9 +45,11 @@ var arguments = struct {
dockerTLS bool
marathon bool
consul bool
consulTLS bool
consulCatalog bool
zookeeper bool
etcd bool
etcdTLS bool
boltdb bool
}{
GlobalConfiguration{
@ -55,14 +57,22 @@ var arguments = struct {
Docker: &provider.Docker{
TLS: &provider.DockerTLS{},
},
File: &provider.File{},
Web: &WebProvider{},
Marathon: &provider.Marathon{},
Consul: &provider.Consul{},
File: &provider.File{},
Web: &WebProvider{},
Marathon: &provider.Marathon{},
Consul: &provider.Consul{
Kv: provider.Kv{
TLS: &provider.KvTLS{},
},
},
ConsulCatalog: &provider.ConsulCatalog{},
Zookeeper: &provider.Zookepper{},
Etcd: &provider.Etcd{},
Boltdb: &provider.BoltDb{},
Etcd: &provider.Etcd{
Kv: provider.Kv{
TLS: &provider.KvTLS{},
},
},
Boltdb: &provider.BoltDb{},
},
false,
false,
@ -74,6 +84,8 @@ var arguments = struct {
false,
false,
false,
false,
false,
}
func init() {
@ -121,6 +133,11 @@ func init() {
traefikCmd.PersistentFlags().StringVar(&arguments.Consul.Filename, "consul.filename", "", "Override default configuration template. For advanced users :)")
traefikCmd.PersistentFlags().StringVar(&arguments.Consul.Endpoint, "consul.endpoint", "127.0.0.1:8500", "Consul server endpoint")
traefikCmd.PersistentFlags().StringVar(&arguments.Consul.Prefix, "consul.prefix", "/traefik", "Prefix used for KV store")
traefikCmd.PersistentFlags().BoolVar(&arguments.consulTLS, "consul.tls", false, "Enable Consul TLS support")
traefikCmd.PersistentFlags().StringVar(&arguments.Consul.TLS.CA, "consul.tls.ca", "", "TLS CA")
traefikCmd.PersistentFlags().StringVar(&arguments.Consul.TLS.Cert, "consul.tls.cert", "", "TLS cert")
traefikCmd.PersistentFlags().StringVar(&arguments.Consul.TLS.Key, "consul.tls.key", "", "TLS key")
traefikCmd.PersistentFlags().BoolVar(&arguments.Consul.TLS.InsecureSkipVerify, "consul.tls.insecureSkipVerify", false, "TLS insecure skip verify")
traefikCmd.PersistentFlags().BoolVar(&arguments.consulCatalog, "consulCatalog", false, "Enable Consul catalog backend")
traefikCmd.PersistentFlags().StringVar(&arguments.ConsulCatalog.Domain, "consulCatalog.domain", "", "Default domain used")
@ -137,6 +154,11 @@ func init() {
traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.Filename, "etcd.filename", "", "Override default configuration template. For advanced users :)")
traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.Endpoint, "etcd.endpoint", "127.0.0.1:4001", "Etcd server endpoint")
traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.Prefix, "etcd.prefix", "/traefik", "Prefix used for KV store")
traefikCmd.PersistentFlags().BoolVar(&arguments.etcdTLS, "etcd.tls", false, "Enable Etcd TLS support")
traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.TLS.CA, "etcd.tls.ca", "", "TLS CA")
traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.TLS.Cert, "etcd.tls.cert", "", "TLS cert")
traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.TLS.Key, "etcd.tls.key", "", "TLS key")
traefikCmd.PersistentFlags().BoolVar(&arguments.Etcd.TLS.InsecureSkipVerify, "etcd.tls.insecureSkipVerify", false, "TLS insecure skip verify")
traefikCmd.PersistentFlags().BoolVar(&arguments.boltdb, "boltdb", false, "Enable Boltdb backend")
traefikCmd.PersistentFlags().BoolVar(&arguments.Boltdb.Watch, "boltdb.watch", true, "Watch provider")

6
configuration.go
View file

@ -222,6 +222,9 @@ func LoadConfiguration() *GlobalConfiguration {
if arguments.marathon {
viper.Set("marathon", arguments.Marathon)
}
if !arguments.consulTLS {
arguments.Consul.TLS = nil
}
if arguments.consul {
viper.Set("consul", arguments.Consul)
}
@ -231,6 +234,9 @@ func LoadConfiguration() *GlobalConfiguration {
if arguments.zookeeper {
viper.Set("zookeeper", arguments.Zookeeper)
}
if !arguments.etcdTLS {
arguments.Etcd.TLS = nil
}
if arguments.etcd {
viper.Set("etcd", arguments.Etcd)
}

31
docs/index.md
View file

@ -109,6 +109,11 @@ Flags:
--consul.endpoint string Consul server endpoint (default "127.0.0.1:8500")
--consul.filename string Override default configuration template. For advanced users :)
--consul.prefix string Prefix used for KV store (default "/traefik")
--consul.tls Enable Consul TLS support
--consul.tls.ca string TLS CA
--consul.tls.cert string TLS cert
--consul.tls.insecureSkipVerify TLS insecure skip verify
--consul.tls.key string TLS key
--consul.watch Watch provider (default true)
--consulCatalog Enable Consul catalog backend
--consulCatalog.domain string Default domain used
@ -129,6 +134,11 @@ Flags:
--etcd.endpoint string Etcd server endpoint (default "127.0.0.1:4001")
--etcd.filename string Override default configuration template. For advanced users :)
--etcd.prefix string Prefix used for KV store (default "/traefik")
--etcd.tls Enable Etcd TLS support
--etcd.tls.ca string TLS CA
--etcd.tls.cert string TLS cert
--etcd.tls.insecureSkipVerify TLS insecure skip verify
--etcd.tls.key string TLS key
--etcd.watch Watch provider (default true)
--file Enable File backend
--file.filename string Override default configuration template. For advanced users :)
@ -142,7 +152,6 @@ Flags:
--marathon.networkInterface string Network interface used to call Marathon web services. Needed in case of multiple network interfaces (default "eth0")
--marathon.watch Watch provider (default true)
--maxIdleConnsPerHost int If non-zero, controls the maximum idle (keep-alive) to keep per-host. If zero, DefaultMaxIdleConnsPerHost is used
-p, --port string Reverse proxy port (default ":80")
--providersThrottleDuration duration Backends throttle duration: minimum duration between 2 events from providers before applying a new configuration. It avoids unnecessary reloads if multiples events are sent in a short amount of time. (default 2s)
--traefikLogsFile string Traefik logs file (default "log/traefik.log")
--web Enable Web backend
@ -722,6 +731,16 @@ prefix = "traefik"
# Optional
#
# filename = "consul.tmpl"
# Enable consul TLS connection
#
# Optional
#
# [consul.tls]
# ca = "/etc/ssl/ca.crt"
# cert = "/etc/ssl/consul.crt"
# key = "/etc/ssl/consul.key"
# insecureskipverify = true
```
The Keys-Values structure should look (using `prefix = "/traefik"`):
@ -803,6 +822,16 @@ Træfɪk can be configured to use Etcd as a backend configuration:
# Optional
#
# filename = "etcd.tmpl"
# Enable etcd TLS connection
#
# Optional
#
# [etcd.tls]
# ca = "/etc/ssl/ca.crt"
# cert = "/etc/ssl/etcd.crt"
# key = "/etc/ssl/etcd.key"
# insecureskipverify = true
```
The Keys-Values structure should look (using `prefix = "/traefik"`):

49
provider/kv.go
View file

@ -2,6 +2,10 @@
package provider
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"strings"
"text/template"
"time"
@ -18,18 +22,55 @@ type Kv struct {
BaseProvider `mapstructure:",squash"`
Endpoint string
Prefix string
TLS *KvTLS
storeType store.Backend
kvclient store.Store
}
// KvTLS holds TLS specific configurations
type KvTLS struct {
CA string
Cert string
Key string
InsecureSkipVerify bool
}
func (provider *Kv) provide(configurationChan chan<- types.ConfigMessage) error {
storeConfig := &store.Config{
ConnectionTimeout: 30 * time.Second,
Bucket: "traefik",
}
if provider.TLS != nil {
caPool := x509.NewCertPool()
if provider.TLS.CA != "" {
ca, err := ioutil.ReadFile(provider.TLS.CA)
if err != nil {
return fmt.Errorf("Failed to read CA. %s", err)
}
caPool.AppendCertsFromPEM(ca)
}
cert, err := tls.LoadX509KeyPair(provider.TLS.Cert, provider.TLS.Key)
if err != nil {
return fmt.Errorf("Failed to load keypair. %s", err)
}
storeConfig.TLS = &tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caPool,
InsecureSkipVerify: provider.TLS.InsecureSkipVerify,
}
}
kv, err := libkv.NewStore(
provider.storeType,
[]string{provider.Endpoint},
&store.Config{
ConnectionTimeout: 30 * time.Second,
Bucket: "traefik",
},
storeConfig,
)
if err != nil {
return err

20
traefik.sample.toml
View file

@ -281,6 +281,16 @@
#
# filename = "consul.tmpl"
# Enable consul TLS connection
#
# Optional
#
# [consul.tls]
# ca = "/etc/ssl/ca.crt"
# cert = "/etc/ssl/consul.crt"
# key = "/etc/ssl/consul.key"
# insecureskipverify = true
################################################################
# Etcd configuration backend
@ -316,6 +326,16 @@
#
# filename = "etcd.tmpl"
# Enable etcd TLS connection
#
# Optional
#
# [etcd.tls]
# ca = "/etc/ssl/ca.crt"
# cert = "/etc/ssl/etcd.crt"
# key = "/etc/ssl/etcd.key"
# insecureskipverify = true
################################################################
# Zookeeper configuration backend