/
results.go
174 lines (153 loc) · 5.21 KB
/
results.go
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package tokens
import (
"time"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/identity/v2/tenants"
)
// Token provides only the most basic information related to an authentication
// token.
type Token struct {
// ID provides the primary means of identifying a user to the OpenStack API.
// OpenStack defines this field as an opaque value, so do not depend on its
// content. It is safe, however, to compare for equality.
ID string
// ExpiresAt provides a timestamp in ISO 8601 format, indicating when the
// authentication token becomes invalid. After this point in time, future
// API requests made using this authentication token will respond with
// errors. Either the caller will need to reauthenticate manually, or more
// preferably, the caller should exploit automatic re-authentication.
// See the AuthOptions structure for more details.
ExpiresAt time.Time
// Tenant provides information about the tenant to which this token grants
// access.
Tenant tenants.Tenant
}
// Role is a role for a user.
type Role struct {
Name string `json:"name"`
}
// User is an OpenStack user.
type User struct {
ID string `json:"id"`
Name string `json:"name"`
UserName string `json:"username"`
Roles []Role `json:"roles"`
}
// Endpoint represents a single API endpoint offered by a service.
// It provides the public and internal URLs, if supported, along with a region
// specifier, again if provided.
//
// The significance of the Region field will depend upon your provider.
//
// In addition, the interface offered by the service will have version
// information associated with it through the VersionId, VersionInfo, and
// VersionList fields, if provided or supported.
//
// In all cases, fields which aren't supported by the provider and service
// combined will assume a zero-value ("").
type Endpoint struct {
TenantID string `json:"tenantId"`
PublicURL string `json:"publicURL"`
InternalURL string `json:"internalURL"`
AdminURL string `json:"adminURL"`
Region string `json:"region"`
VersionID string `json:"versionId"`
VersionInfo string `json:"versionInfo"`
VersionList string `json:"versionList"`
}
// CatalogEntry provides a type-safe interface to an Identity API V2 service
// catalog listing.
//
// Each class of service, such as cloud DNS or block storage services, will have
// a single CatalogEntry representing it.
//
// Note: when looking for the desired service, try, whenever possible, to key
// off the type field. Otherwise, you'll tie the representation of the service
// to a specific provider.
type CatalogEntry struct {
// Name will contain the provider-specified name for the service.
Name string `json:"name"`
// Type will contain a type string if OpenStack defines a type for the
// service. Otherwise, for provider-specific services, the provider may assign
// their own type strings.
Type string `json:"type"`
// Endpoints will let the caller iterate over all the different endpoints that
// may exist for the service.
Endpoints []Endpoint `json:"endpoints"`
}
// ServiceCatalog provides a view into the service catalog from a previous,
// successful authentication.
type ServiceCatalog struct {
Entries []CatalogEntry
}
// CreateResult is the response from a Create request. Use ExtractToken() to
// interpret it as a Token, or ExtractServiceCatalog() to interpret it as a
// service catalog.
type CreateResult struct {
gophercloud.Result
}
// GetResult is the deferred response from a Get call, which is the same with a
// Created token. Use ExtractUser() to interpret it as a User.
type GetResult struct {
CreateResult
}
// ExtractToken returns the just-created Token from a CreateResult.
func (r CreateResult) ExtractToken() (*Token, error) {
var s struct {
Access struct {
Token struct {
Expires string `json:"expires"`
ID string `json:"id"`
Tenant tenants.Tenant `json:"tenant"`
} `json:"token"`
} `json:"access"`
}
err := r.ExtractInto(&s)
if err != nil {
return nil, err
}
expiresTs, err := time.Parse(gophercloud.RFC3339Milli, s.Access.Token.Expires)
if err != nil {
return nil, err
}
return &Token{
ID: s.Access.Token.ID,
ExpiresAt: expiresTs,
Tenant: s.Access.Token.Tenant,
}, nil
}
// ExtractTokenID implements the gophercloud.AuthResult interface. The returned
// string is the same as the ID field of the Token struct returned from
// ExtractToken().
func (r CreateResult) ExtractTokenID() (string, error) {
var s struct {
Access struct {
Token struct {
ID string `json:"id"`
} `json:"token"`
} `json:"access"`
}
err := r.ExtractInto(&s)
return s.Access.Token.ID, err
}
// ExtractServiceCatalog returns the ServiceCatalog that was generated along
// with the user's Token.
func (r CreateResult) ExtractServiceCatalog() (*ServiceCatalog, error) {
var s struct {
Access struct {
Entries []CatalogEntry `json:"serviceCatalog"`
} `json:"access"`
}
err := r.ExtractInto(&s)
return &ServiceCatalog{Entries: s.Access.Entries}, err
}
// ExtractUser returns the User from a GetResult.
func (r GetResult) ExtractUser() (*User, error) {
var s struct {
Access struct {
User User `json:"user"`
} `json:"access"`
}
err := r.ExtractInto(&s)
return &s.Access.User, err
}