func TestSetService(t *testing.T) {
config.DatabaseConnection = "scribble:///tmp/scribbleTest"
config.Log = lumber.NewConsoleLogger(lumber.LvlInt("FATAL"))
// Backend = &database.ScribbleDatabase{}
database.Init()
if err := database.SetService(&testService1); err != nil {
t.Errorf("Failed to SET service - %v", err)
}
service, err := ioutil.ReadFile("/tmp/scribbleTest/services/tcp-192_168_0_15-80.json")
if err != nil {
t.Error(err)
}
jService, err := toJson(testService1)
if err != nil {
t.Error(err)
}
if string(service) != string(jService) {
t.Errorf("Read service differs from written service")
}
}
// SetService tells all members to add the service to their database.
// rolls back on failure
func (r *Redis) SetService(service *core.Service) error {
conn := pool.Get()
defer conn.Close()
// publishJson to others
err := r.publishJson(conn, "set-service", service)
if err != nil {
// nothing to rollback yet (nobody received)
return err
}
actionHash := fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("set-service %s", *service))))
// ensure all members applied action
err = r.waitForMembers(conn, actionHash)
if err != nil {
uActionHash := fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("delete-service %s", service.Id))))
// cleanup rollback cruft. clear actionHash ensures no mistakes on re-submit
defer conn.Do("DEL", uActionHash, actionHash)
// attempt rollback - no need to waitForMembers here
uerr := r.publishString(conn, "delete-service", service.Id)
if uerr != nil {
err = fmt.Errorf("%v - %v", err, uerr)
}
return err
}
if database.CentralStore {
return database.SetService(service)
}
return nil
}
func SetService(service *core.Service) error {
// in case of failure
oldServices, err := database.GetServices()
if err != nil {
return err
}
// apply to balancer
err = balance.SetService(service)
if err != nil {
return err
}
if !database.CentralStore {
// save to backend
err = database.SetService(service)
if err != nil {
// undo balancer action
if uerr := balance.SetServices(oldServices); uerr != nil {
err = fmt.Errorf("%v - %v", err.Error(), uerr.Error())
}
return err
}
}
return nil
}
func (n None) SetService(service *core.Service) error {
err := common.SetService(service)
if err != nil {
return err
}
if database.CentralStore {
return database.SetService(service)
}
return nil
}
func TestSetServer(t *testing.T) {
database.SetService(&testService1)
if err := database.SetServer(testService1.Id, &testServer1); err != nil {
t.Errorf("Failed to SET server - %v", err)
}
service, err := ioutil.ReadFile("/tmp/scribbleTest/services/tcp-192_168_0_15-80.json")
if err != nil {
t.Error(err)
}
svc := testService1
svc.Servers = append(svc.Servers, testServer1)
jService, err := toJson(svc)
if err != nil {
t.Error(err)
}
if string(service) != string(jService) {
t.Errorf("Read service differs from written service")
}
}