use teams api client interface instead of pointer

pkg/cluster/cluster.go

@@ -39,7 +39,7 @@ type Config struct {
 	KubeClient          *kubernetes.Clientset //TODO: move clients to the better place?
 	RestClient          *rest.RESTClient
 	RestConfig          *rest.Config
-	TeamsAPIClient      *teams.API
+	TeamsAPIClient      teams.Client
 	OpConfig            config.Config
 	InfrastructureRoles map[string]spec.PgUser // inherited from the controller
 }

pkg/controller/controller.go

@@ -20,8 +20,8 @@ import (
 type Config struct {
 	RestConfig          *rest.Config
 	KubeClient          *kubernetes.Clientset
-	RestClient          *rest.RESTClient
-	TeamsAPIClient      *teams.API
+	RestClient          rest.Interface
+	TeamsAPIClient      teams.Client
 	InfrastructureRoles map[string]spec.PgUser
 }
 

pkg/util/teams/teams.go

@@ -39,6 +39,10 @@ type team struct {
 	InfrastructureAccounts []infrastructureAccount `json:"infrastructure-accounts"`
 }
 
+type Client interface {
+	TeamInfo(string, string) (*team, error)
+}
+
 type httpClient interface {
 	Do(req *http.Request) (*http.Response, error)
 }