// attemptCreateService tries to create a new hosted service on Azure, with a
// name it chooses (based on the given prefix), but recognizes that the name
// may not be available. If the name is not available, it does not treat that
// as an error but just returns nil.
func attemptCreateService(azure *gwacl.ManagementAPI, prefix string, affinityGroupName string, location string) (*gwacl.CreateHostedService, error) {
var err error
name := gwacl.MakeRandomHostedServiceName(prefix)
err = azure.CheckHostedServiceNameAvailability(name)
if err != nil {
// The calling function should retry.
return nil, nil
}
req := gwacl.NewCreateHostedServiceWithLocation(name, name, location)
req.AffinityGroup = affinityGroupName
err = azure.AddHostedService(req)
if err != nil {
return nil, err
}
return req, nil
}
// attemptCreateService tries to create a new hosted service on Azure, with a
// name it chooses (based on the given prefix), but recognizes that the name
// may not be available. If the name is not available, it does not treat that
// as an error but just returns nil.
func attemptCreateService(azure *gwacl.ManagementAPI, prefix string, affinityGroupName string) (*gwacl.CreateHostedService, error) {
name := gwacl.MakeRandomHostedServiceName(prefix)
req := gwacl.NewCreateHostedServiceWithLocation(name, name, serviceLocation)
req.AffinityGroup = affinityGroupName
err := azure.AddHostedService(req)
azErr, isAzureError := err.(*gwacl.AzureError)
if isAzureError && azErr.HTTPStatus == http.StatusConflict {
// Conflict. As far as we can see, this only happens if the
// name was already in use. It's still dangerous to assume
// that we know it can't be anything else, but there's nothing
// else in the error that we can use for closer identifcation.
return nil, nil
}
if err != nil {
return nil, err
}
return req, nil
}