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
}
func newHTTPClient() (*cookiejar.Jar, *http.Client, error) {
cookieFile := path.Join(utils.Home(), ".go-cookies")
jar, err := cookiejar.New(&cookiejar.Options{
PublicSuffixList: publicsuffix.List,
})
if err != nil {
panic(err)
}
if err := jar.Load(cookieFile); err != nil {
return nil, nil, err
}
client := httpbakery.NewHTTPClient()
client.Jar = jar
return jar, client, nil
}
// AddCharmWithAuthorization adds the given charm URL (which must include revision) to
// the environment, if it does not exist yet. Local charms are not
// supported, only charm store URLs. See also AddLocalCharm().
//
// The authorization macaroon, args.CharmStoreMacaroon, may be
// omitted, in which case this call is equivalent to AddCharm.
func AddCharmWithAuthorization(st *state.State, args params.AddCharmWithAuthorization) error {
charmURL, err := charm.ParseURL(args.URL)
if err != nil {
return err
}
if charmURL.Schema != "cs" {
return fmt.Errorf("only charm store charm URLs are supported, with cs: schema")
}
if charmURL.Revision < 0 {
return fmt.Errorf("charm URL must include revision")
}
// First, check if a pending or a real charm exists in state.
stateCharm, err := st.PrepareStoreCharmUpload(charmURL)
if err != nil {
return err
}
if stateCharm.IsUploaded() {
// Charm already in state (it was uploaded already).
return nil
}
// Get the charm and its information from the store.
envConfig, err := st.EnvironConfig()
if err != nil {
return err
}
csURL, err := url.Parse(csclient.ServerURL)
if err != nil {
return err
}
csParams := charmrepo.NewCharmStoreParams{
URL: csURL.String(),
HTTPClient: httpbakery.NewHTTPClient(),
}
if args.CharmStoreMacaroon != nil {
// Set the provided charmstore authorizing macaroon
// as a cookie in the HTTP client.
// TODO discharge any third party caveats in the macaroon.
ms := []*macaroon.Macaroon{args.CharmStoreMacaroon}
httpbakery.SetCookie(csParams.HTTPClient.Jar, csURL, ms)
}
repo := config.SpecializeCharmRepo(
NewCharmStore(csParams),
envConfig,
)
downloadedCharm, err := repo.Get(charmURL)
if err != nil {
cause := errors.Cause(err)
if httpbakery.IsDischargeError(cause) || httpbakery.IsInteractionError(cause) {
return errors.NewUnauthorized(err, "")
}
return errors.Trace(err)
}
// Open it and calculate the SHA256 hash.
downloadedBundle, ok := downloadedCharm.(*charm.CharmArchive)
if !ok {
return errors.Errorf("expected a charm archive, got %T", downloadedCharm)
}
archive, err := os.Open(downloadedBundle.Path)
if err != nil {
return errors.Annotate(err, "cannot read downloaded charm")
}
defer archive.Close()
bundleSHA256, size, err := utils.ReadSHA256(archive)
if err != nil {
return errors.Annotate(err, "cannot calculate SHA256 hash of charm")
}
if _, err := archive.Seek(0, 0); err != nil {
return errors.Annotate(err, "cannot rewind charm archive")
}
// Store the charm archive in environment storage.
return StoreCharmArchive(
st,
charmURL,
downloadedCharm,
archive,
size,
bundleSHA256,
)
}
type metricRegistrationPost struct {
EnvironmentUUID string `json:"env-uuid"`
CharmURL string `json:"charm-url"`
ServiceName string `json:"service-name"`
}
var registerMeteredCharm = func(registrationURL string, state api.Connection, 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
