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package services
import (
"encoding/json"
"fmt"
"strconv"
"time"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Service represents a Compute service in the OpenStack cloud.
type Service struct {
// The binary name of the service.
Binary string `json:"binary"`
// The reason for disabling a service.
DisabledReason string `json:"disabled_reason"`
// Whether or not service was forced down manually.
ForcedDown bool `json:"forced_down"`
// The name of the host.
Host string `json:"host"`
// The id of the service.
ID string `json:"-"`
// The state of the service. One of up or down.
State string `json:"state"`
// The status of the service. One of enabled or disabled.
Status string `json:"status"`
// The date and time when the resource was updated.
UpdatedAt time.Time `json:"-"`
// The availability zone name.
Zone string `json:"zone"`
}
// UnmarshalJSON to override default
func (r *Service) UnmarshalJSON(b []byte) error {
type tmp Service
var s struct {
tmp
ID interface{} `json:"id"`
UpdatedAt gophercloud.JSONRFC3339MilliNoZ `json:"updated_at"`
}
err := json.Unmarshal(b, &s)
if err != nil {
return err
}
*r = Service(s.tmp)
r.UpdatedAt = time.Time(s.UpdatedAt)
// OpenStack Compute service returns ID in string representation since
// 2.53 microversion API (Pike release).
switch t := s.ID.(type) {
case int:
r.ID = strconv.Itoa(t)
case float64:
r.ID = strconv.Itoa(int(t))
case string:
r.ID = t
default:
return fmt.Errorf("ID has unexpected type: %T", t)
}
return nil
}
type serviceResult struct {
gophercloud.Result
}
// Extract interprets any UpdateResult as a service, if possible.
func (r serviceResult) Extract() (*Service, error) {
var s struct {
Service Service `json:"service"`
}
err := r.ExtractInto(&s)
return &s.Service, err
}
// UpdateResult is the response from an Update operation. Call its Extract
// method to interpret it as a Server.
type UpdateResult struct {
serviceResult
}
// ServicePage represents a single page of all Services from a List request.
type ServicePage struct {
pagination.SinglePageBase
}
// IsEmpty determines whether or not a page of Services contains any results.
func (page ServicePage) IsEmpty() (bool, error) {
services, err := ExtractServices(page)
return len(services) == 0, err
}
func ExtractServices(r pagination.Page) ([]Service, error) {
var s struct {
Service []Service `json:"services"`
}
err := (r.(ServicePage)).ExtractInto(&s)
return s.Service, err
}
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