Add Consul token config

Consul Token is used to provide a per-request ACL token

README.md

@@ -87,6 +87,7 @@ suffix in the `suffix` key of the json config file.
 
 By default, Bottin connects to the Consul server on localhost.
 Change this by specifying the `consul_host` key in the json config file.
+You may need a `consul_token` to connect to the Consul server.
 
 ### Bind addresses
 

main.go

@@ -40,6 +40,7 @@ type ConfigFile struct {
 
 	ConsulHost       string `json:"consul_host"`
 	ConsulConsistent bool   `json:"consul_force_consistency"`
+	ConsulToken      string `json:"consul_token"`
 
 	Acl []string `json:"acl"`
 
@@ -56,6 +57,7 @@ type Config struct {
 
 	ConsulHost       string
 	ConsulConsistent bool
+	ConsulToken      string
 
 	Acl ACL
 
@@ -114,6 +116,7 @@ func readConfig(logger *log.Logger) Config {
 
 		ConsulHost:       config_file.ConsulHost,
 		ConsulConsistent: config_file.ConsulConsistent,
+		ConsulToken:      config_file.ConsulToken,
 
 		Acl: acl,
 	}
@@ -168,6 +171,9 @@ func main() {
 	if config.ConsulHost != "" {
 		consul_config.Address = config.ConsulHost
 	}
+	if config.ConsulToken != "" {
+		consul_config.Token = config.ConsulToken
+	}
 	consul_client, err := consul.NewClient(consul_config)
 	if err != nil {
 		logger.Fatal(err)