packer-cn/vendor/github.com/joyent/triton-go/datacenters.go

94 lines
2.2 KiB
Go

package triton
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"sort"
"context"
"github.com/hashicorp/errwrap"
)
type DataCentersClient struct {
*Client
}
// DataCenters returns a c used for accessing functions pertaining
// to Datacenter functionality in the Triton API.
func (c *Client) Datacenters() *DataCentersClient {
return &DataCentersClient{c}
}
type DataCenter struct {
Name string `json:"name"`
URL string `json:"url"`
}
type ListDataCentersInput struct{}
func (client *DataCentersClient) ListDataCenters(ctx context.Context, _ *ListDataCentersInput) ([]*DataCenter, error) {
path := fmt.Sprintf("/%s/datacenters", client.accountName)
respReader, err := client.executeRequest(ctx, http.MethodGet, path, nil)
if respReader != nil {
defer respReader.Close()
}
if err != nil {
return nil, errwrap.Wrapf("Error executing ListDatacenters request: {{err}}", err)
}
var intermediate map[string]string
decoder := json.NewDecoder(respReader)
if err = decoder.Decode(&intermediate); err != nil {
return nil, errwrap.Wrapf("Error decoding ListDatacenters response: {{err}}", err)
}
keys := make([]string, len(intermediate))
i := 0
for k := range intermediate {
keys[i] = k
i++
}
sort.Strings(keys)
result := make([]*DataCenter, len(intermediate))
i = 0
for _, key := range keys {
result[i] = &DataCenter{
Name: key,
URL: intermediate[key],
}
i++
}
return result, nil
}
type GetDataCenterInput struct {
Name string
}
func (client *DataCentersClient) GetDataCenter(ctx context.Context, input *GetDataCenterInput) (*DataCenter, error) {
path := fmt.Sprintf("/%s/datacenters/%s", client.accountName, input.Name)
resp, err := client.executeRequestRaw(ctx, http.MethodGet, path, nil)
if err != nil {
return nil, errwrap.Wrapf("Error executing GetDatacenter request: {{err}}", err)
}
if resp.StatusCode != http.StatusFound {
return nil, fmt.Errorf("Error executing GetDatacenter request: expected status code 302, got %s",
resp.StatusCode)
}
location := resp.Header.Get("Location")
if location == "" {
return nil, errors.New("Error decoding GetDatacenter response: no Location header")
}
return &DataCenter{
Name: input.Name,
URL: location,
}, nil
}