Initial main commit.

[src/xds/xds-server.git] / lib / xdsconfig / builderconfig.go

diff --git a/lib/xdsconfig/builderconfig.go b/lib/xdsconfig/builderconfig.go
new file mode 100644 (file)
index 0000000..c64fe9c
--- /dev/null
+++ b/lib/xdsconfig/builderconfig.go
@@ -0,0 +1,50 @@
+package xdsconfig
+
+import (
+       "errors"
+       "net"
+)
+
+// BuilderConfig represents the builder container configuration
+type BuilderConfig struct {
+       IP          string `json:"ip"`
+       Port        string `json:"port"`
+       SyncThingID string `json:"syncThingID"`
+}
+
+// NewBuilderConfig creates a new BuilderConfig instance
+func NewBuilderConfig(stID string) (BuilderConfig, error) {
+       // Do we really need it ? may be not accessible from client side
+       ip, err := getLocalIP()
+       if err != nil {
+               return BuilderConfig{}, err
+       }
+
+       b := BuilderConfig{
+               IP:          ip, // TODO currently not used
+               Port:        "", // TODO currently not used
+               SyncThingID: stID,
+       }
+       return b, nil
+}
+
+// Copy makes a real copy of BuilderConfig
+func (c *BuilderConfig) Copy(n BuilderConfig) {
+       // TODO
+}
+
+func getLocalIP() (string, error) {
+       addrs, err := net.InterfaceAddrs()
+       if err != nil {
+               return "", err
+       }
+       for _, address := range addrs {
+               // check the address type and if it is not a loopback the display it
+               if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+                       if ipnet.IP.To4() != nil {
+                               return ipnet.IP.String(), nil
+                       }
+               }
+       }
+       return "", errors.New("Cannot determined local IP")
+}