1 files changed, 73 insertions, 0 deletions
diff --git a/utils.go b/utils.go
new file mode 100644
index 0000000..6a05ef3
--- /dev/null
+++ b/utils.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"encoding/json"
+
+	"github.com/iotbzh/xds-agent/lib/apiv1"
+	"github.com/urfave/cli"
+)
+
+var cacheXdsVersion *apiv1.XDSVersion
+
+// XdsVersionGet Get version of XDS agent & server
+func XdsVersionGet(ver *apiv1.XDSVersion) error {
+	// Use cached data
+	if cacheXdsVersion != nil {
+		ver = cacheXdsVersion
+		return nil
+	}
+
+	dataVer := apiv1.XDSVersion{}
+	if err := HTTPCli.Get("/version", &dataVer); err != nil {
+		return err
+	}
+
+	cacheXdsVersion = &dataVer
+	*ver = dataVer
+	return nil
+}
+
+// XdsServerIDGet returns the XDS Server ID
+func XdsServerIDGet() string {
+	ver := apiv1.XDSVersion{}
+	if err := XdsVersionGet(&ver); err != nil {
+		return ""
+	}
+	if len(ver.Server) < 1 {
+		return ""
+	}
+	return ver.Server[XdsServerIndexGet()].ID
+}
+
+// XdsServerIndexGet returns the index number of XDS Server
+func XdsServerIndexGet() int {
+	// FIXME support multiple server
+	return 0
+}
+
+// ProjectsListGet Get the list of existing projects
+func ProjectsListGet(prjs *[]apiv1.ProjectConfig) error {
+	var data []byte
+	if err := HTTPCli.HTTPGet("/projects", &data); err != nil {
+		return err
+	}
+	Log.Debugf("Result of /projects: %v", string(data[:]))
+
+	return json.Unmarshal(data, &prjs)
+}
+
+// LogPost Helper to log a POST request
+func LogPost(format string, data interface{}) {
+	b, _ := json.Marshal(data)
+	Log.Infof(format, string(b))
+}
+
+// GetID Return a string ID set with --id option or as simple parameter
+func GetID(ctx *cli.Context) string {
+	id := ctx.String("id")
+	idArgs := ctx.Args().First()
+	if id == "" && idArgs != "" {
+		id = idArgs
+	}
+	return id
+}