// checkAvailable ensures the Juju GUI is available on the controller at the
// given URL.
func (c *guiCommand) checkAvailable(rawURL string, conn api.Connection) error {
client, err := conn.HTTPClient()
if err != nil {
return errors.Annotate(err, "cannot retrieve HTTP client")
}
if err = clientGet(client, rawURL); err != nil {
return errors.Annotate(err, "Juju GUI is not available")
}
return nil
}
func newAPIClient(apiCaller api.Connection) (*client.Client, error) {
caller := base.NewFacadeCallerForVersion(apiCaller, resource.ComponentName, server.Version)
httpClient, err := apiCaller.HTTPClient()
if err != nil {
return nil, errors.Trace(err)
}
// The apiCaller takes care of prepending /environment/<envUUID>.
apiClient := client.NewClient(caller, httpClient, apiCaller)
return apiClient, nil
}