packer-cn/vendor/github.com/joyent/triton-go/compute/ping.go

57 lines
1.4 KiB
Go

package compute
import (
"context"
"encoding/json"
"fmt"
"net/http"
"github.com/hashicorp/errwrap"
"github.com/joyent/triton-go/client"
)
const pingEndpoint = "/--ping"
type CloudAPI struct {
Versions []string `json:"versions"`
}
type PingOutput struct {
Ping string `json:"ping"`
CloudAPI CloudAPI `json:"cloudapi"`
}
// Ping sends a request to the '/--ping' endpoint and returns a `pong` as well
// as a list of API version numbers your instance of CloudAPI is presenting.
func (c *ComputeClient) Ping(ctx context.Context) (*PingOutput, error) {
reqInputs := client.RequestInput{
Method: http.MethodGet,
Path: pingEndpoint,
}
response, err := c.Client.ExecuteRequestRaw(ctx, reqInputs)
if response == nil {
return nil, fmt.Errorf("Ping request has empty response")
}
if response.Body != nil {
defer response.Body.Close()
}
if response.StatusCode == http.StatusNotFound || response.StatusCode == http.StatusGone {
return nil, &client.TritonError{
StatusCode: response.StatusCode,
Code: "ResourceNotFound",
}
}
if err != nil {
return nil, errwrap.Wrapf("Error executing Get request: {{err}}",
c.Client.DecodeError(response.StatusCode, response.Body))
}
var result *PingOutput
decoder := json.NewDecoder(response.Body)
if err = decoder.Decode(&result); err != nil {
return nil, errwrap.Wrapf("Error decoding Get response: {{err}}", err)
}
return result, nil
}