// makeRegionalClient creates a structure that implements the Region interface.
func makeRegionalClient(id identity.Identity, e identity.EntryEndpoint) (Region, error) {
t, err := id.Token()
if err != nil {
return nil, err
}
return &raxRegion{
id: id,
entryEndpoint: e,
token: t,
httpClient: &http.Client{},
}, nil
}
// RegionByName grants access to "region" in which a server may be created.
// Often, regions correspond closely with the physical data centers where servers are actually located.
//
// You need an authenticated identity to gain access to a region.
//
// Traditionally, regions are named for the closest corresponding airport code.
// For example, a data center located in Dallas, Texas will be known as "DFW".
// However, this needn't always be the case;
// one data center in the United Kingdom uses the name "LON", not "LHR".
//
// Region names are case insensitive for convenience; however,
// they're traditionally written in all uppercase letters.
func RegionByName(id identity.Identity, region string) (r Region, err error) {
sc, err := id.ServiceCatalog()
if err != nil {
return nil, err
}
for _, entry := range sc {
if entry.Type == "compute" {
for _, endpoint := range entry.Endpoints {
if strings.ToUpper(endpoint.Region) == strings.ToUpper(region) {
return makeRegionalClient(id, endpoint)
}
}
}
}
return nil, fmt.Errorf("Unsupported region or V1.0 services only")
}