rebase branch

Author: Eslam-Nawara

pkg/environment/config.go

@@ -40,7 +40,7 @@ type Config struct {
 	GeoipURLs     []string `json:"geoip_urls"`
 
 	HubURL   []string `json:"hub_url"`
-	V4HubURL string   `json:"v4_hub_url"`
+	V4HubURL []string `json:"v4_hub_url"`
 
 	// we should not be supporting flist url or hub storage from zos-config until we can update them on runtime
 	// FlistURL   string `json:"flist_url"`

pkg/environment/environment.go

@@ -75,7 +75,6 @@ type Environment struct {
 	GeoipURLs     []string
 	KycURL        string
 	RegistrarURL  string
-	HubURL        string
 
 	// private vlan to join
 	// if set, zos will use this as its priv vlan