func registerMeteredCharm(registrationURL string, state *api.State, jar *cookiejar.Jar, charmURL string, serviceName, environmentUUID string) error {
charmsClient := charms.NewClient(state)
defer charmsClient.Close()
metered, err := charmsClient.IsMetered(charmURL)
if err != nil {
return err
}
if metered {
httpClient := httpbakery.NewHTTPClient()
httpClient.Jar = jar
credentials, err := registerMetrics(registrationURL, environmentUUID, charmURL, serviceName, httpClient, openWebBrowser)
if err != nil {
logger.Infof("failed to register metrics: %v", err)
return err
}
api, cerr := getMetricCredentialsAPI(state)
if cerr != nil {
logger.Infof("failed to get the metrics credentials setter: %v", cerr)
}
err = api.SetMetricCredentials(serviceName, credentials)
if err != nil {
logger.Infof("failed to set metric credentials: %v", err)
return err
}
api.Close()
}
return nil
}
// RunPost sends credentials obtained during the call to RunPre to the controller.
func (r *RegisterMeteredCharm) RunPost(state api.Connection, bakeryClient *httpbakery.Client, ctx *cmd.Context, deployInfo DeploymentInfo, prevErr error) error {
if prevErr != nil {
return nil
}
if r.credentials == nil {
return nil
}
api, cerr := getMetricCredentialsAPI(state)
if cerr != nil {
logger.Infof("failed to get the metrics credentials setter: %v", cerr)
return cerr
}
defer api.Close()
err := api.SetMetricCredentials(deployInfo.ServiceName, r.credentials)
if err != nil {
logger.Warningf("failed to set metric credentials: %v", err)
return errors.Trace(err)
}
err = r.AllocateBudget.RunPost(state, bakeryClient, ctx, deployInfo, prevErr)
if err != nil {
logger.Warningf("failed to allocate budget: %v", err)
return errors.Trace(err)
}
return nil
}
// RunPost sends credentials obtained during the call to RunPre to the controller.
func (r *RegisterMeteredCharm) RunPost(state api.Connection, client *http.Client, deployInfo DeploymentInfo) error {
if r.credentials == nil {
return nil
}
api, cerr := getMetricCredentialsAPI(state)
if cerr != nil {
logger.Infof("failed to get the metrics credentials setter: %v", cerr)
return cerr
}
defer api.Close()
err := api.SetMetricCredentials(deployInfo.ServiceName, r.credentials)
if err != nil {
logger.Infof("failed to set metric credentials: %v", err)
return err
}
return nil
}
// RunPost sends credentials obtained during the call to RunPre to the controller.
func (r *RegisterMeteredCharm) RunPost(state api.Connection, client *http.Client, deployInfo DeploymentInfo) error {
if r.credentials == nil {
return nil
}
api, cerr := getMetricCredentialsAPI(state)
if cerr != nil {
logger.Infof("failed to get the metrics credentials setter: %v", cerr)
return cerr
}
defer api.Close()
err := api.SetMetricCredentials(deployInfo.ServiceName, r.credentials)
if params.IsCodeNotImplemented(err) {
// The state server is too old to support metering. Warn
// the user, but don't return an error.
logger.Warningf("current state server version does not support charm metering")
return nil
} else if err != nil {
logger.Infof("failed to set metric credentials: %v", err)
return err
}
return nil
}
return err
}
if metered {
httpClient := httpbakery.NewHTTPClient()
httpClient.Jar = jar
credentials, err := registerMetrics(registrationURL, environmentUUID, charmURL, serviceName, httpClient, openWebBrowser)
if err != nil {
logger.Infof("failed to register metrics: %v", err)
return err
}
api, cerr := getMetricCredentialsAPI(state)
if cerr != nil {
logger.Infof("failed to get the metrics credentials setter: %v", cerr)
}
err = api.SetMetricCredentials(serviceName, credentials)
if err != nil {
logger.Infof("failed to set metric credentials: %v", err)
return err
}
api.Close()
}
return nil
}
func registerMetrics(registrationURL, environmentUUID, charmURL, serviceName string, client *http.Client, visitWebPage func(*url.URL) error) ([]byte, error) {
if registrationURL == "" {
return nil, errors.Errorf("no metric registration url is specified")
}
registerURL, err := url.Parse(registrationURL)
if err != nil {