From 0ddbe56c19c6fc820bc7011abc22c371c9244d88 Mon Sep 17 00:00:00 2001
From: Sebastien Douheret <sebastien.douheret@iot.bzh>
Date: Thu, 30 Nov 2017 11:15:14 +0100
Subject: [PATCH] Create server data directory when not existing.

---
 lib/xdsconfig/config.go | 1 +
 lib/xdsconfig/data.go   | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/lib/xdsconfig/config.go b/lib/xdsconfig/config.go
index 0201d40..ae02577 100644
--- a/lib/xdsconfig/config.go
+++ b/lib/xdsconfig/config.go
@@ -54,6 +54,7 @@ func Init(cliCtx *cli.Context, log *logrus.Logger) (*Config, error) {
 		dfltSTHomeDir = resDir
 	}
 
+	// Retrieve Server ID (or create one the first time)
 	uuid, err := ServerIDGet()
 	if err != nil {
 		return nil, err
diff --git a/lib/xdsconfig/data.go b/lib/xdsconfig/data.go
index 65e0fc6..b80e9a4 100644
--- a/lib/xdsconfig/data.go
+++ b/lib/xdsconfig/data.go
@@ -4,6 +4,7 @@ import (
 	"encoding/xml"
 	"fmt"
 	"os"
+	"path/filepath"
 
 	common "github.com/iotbzh/xds-common/golib"
 	uuid "github.com/satori/go.uuid"
@@ -70,6 +71,13 @@ func serverDataWrite(file string, data ServerData) error {
 	sdMutex.Lock()
 	defer sdMutex.Unlock()
 
+	dir := filepath.Dir(file)
+	if !common.Exists(dir) {
+		if err := os.MkdirAll(dir, 0755); err != nil {
+			return fmt.Errorf("Cannot create server data directory: %s", dir)
+		}
+	}
+
 	fd, err := os.OpenFile(file, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
 	defer fd.Close()
 	if err != nil {
-- 
2.16.6