Move rke away from kdm vendor

codegen/codegen.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+
+	"github.com/rancher/rke/metadata"
+)
+
+const (
+	defaultURL = "https://releases.rancher.com/kontainer-driver-metadata/dev-v2.4/data.json"
+	dataFile   = "data/data.json"
+)
+
+// Codegen fetch data.json from https://releases.rancher.com/kontainer-driver-metadata/dev-v2.4/data.json and generates bindata
+func main() {
+	u := os.Getenv(metadata.RancherMetadataURLEnv)
+	if u == "" {
+		u = defaultURL
+	}
+	data, err := http.Get(u)
+	if err != nil {
+		panic(fmt.Errorf("failed to fetch data.json from kontainer-driver-metadata repository"))
+	}
+	defer data.Body.Close()
+
+	b, err := ioutil.ReadAll(data.Body)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println("Writing data")
+	if err := ioutil.WriteFile(dataFile, b, 0755); err != nil {
+		return
+	}
+}