func (j *CreateKeysRequest) Execute(resp jobs.JobResponse) {
failedKeys := []KeyFailure{}
for i := range j.Keys {
key := j.Keys[i]
locator, err := key.Create()
if err != nil {
failedKeys = append(failedKeys, KeyFailure{i, &key, err})
continue
}
for k := range j.Permissions {
if err := j.Permissions[k].Create(locator); err != nil {
failedKeys = append(failedKeys, KeyFailure{i, &key, err})
continue
}
}
}
if len(failedKeys) > 0 {
data := make([]KeyStructuredFailure, len(failedKeys))
for i := range failedKeys {
data[i] = KeyStructuredFailure{failedKeys[i].Index, failedKeys[i].Reason.Error()}
log.Printf("Failure %d: %+v", failedKeys[i].Index, failedKeys[i].Reason)
}
resp.Failure(jobs.StructuredJobError{jobs.SimpleJobError{jobs.JobResponseError, "Not all keys were completed"}, data})
} else {
resp.Success(jobs.JobResponseOk)
}
}
func (j UpdateFrontendRequest) Execute(resp jobs.JobResponse) {
// detach empty frontends
for _, frontend := range j.Frontends {
if frontend.BackendId == "" {
frontend.Remove()
}
}
errs := []backendError{}
for _, backend := range j.Backends {
if err := utils.WriteToPathExclusive(backend.Id.BackendPathFor(), 0554, backend); err != nil {
errs = append(errs, backendError{backend.Id, err})
}
}
if len(errs) != 0 {
log.Printf("Unable to persist some backends: %+v", errs)
resp.Failure(ErrBackendWriteFailed)
return
}
resp.Success(jobs.JobResponseOk)
}
func (h *HttpDispatcher) Dispatch(job RemoteExecutable, res jobs.JobResponse) error {
reader, writer := io.Pipe()
httpreq, errn := http.NewRequest(job.HttpMethod(), h.locator.BaseURL().String(), reader)
if errn != nil {
return errn
}
id := job.MarshalRequestIdentifier()
if len(id) == 0 {
id = jobs.NewRequestIdentifier()
}
query := &url.Values{}
job.MarshalUrlQuery(query)
req := httpreq
req.Header.Set("X-Request-Id", id.String())
req.Header.Set("If-Match", "api="+ApiVersion())
req.Header.Set("Content-Type", "application/json")
//TODO: introduce API version per job
//TODO: content request signing for GETs
req.URL.Path = job.HttpPath()
req.URL.RawQuery = query.Encode()
go func() {
if err := job.MarshalHttpRequestBody(writer); err != nil {
h.log.Printf("remote: Error when writing to http: %v", err)
writer.CloseWithError(err)
} else {
writer.Close()
}
}()
resp, err := h.client.Do(req)
if err != nil {
h.log.Printf("Failed: %v", err)
return err
}
defer resp.Body.Close()
isJson := resp.Header.Get("Content-Type") == "application/json"
switch code := resp.StatusCode; {
case code == 202:
if isJson {
return errors.New("Decoding of streaming JSON has not been implemented")
}
data, err := job.UnmarshalHttpResponse(resp.Header, nil, ResponseTable)
if err != nil {
return err
}
if pending, ok := data.(map[string]interface{}); ok {
for k := range pending {
res.WritePendingSuccess(k, pending[k])
}
}
w := res.SuccessWithWrite(jobs.JobResponseOk, false, false)
if _, err := io.Copy(w, resp.Body); err != nil {
return err
}
case code == 204:
data, err := job.UnmarshalHttpResponse(resp.Header, nil, ResponseTable)
if err != nil {
return err
}
if pending, ok := data.(map[string]interface{}); ok {
for k := range pending {
res.WritePendingSuccess(k, pending[k])
}
}
res.Success(jobs.JobResponseOk)
case code >= 200 && code < 300:
if !isJson {
return errors.New(fmt.Sprintf("remote: Response with %d status code had content type %s (should be application/json)", code, resp.Header.Get("Content-Type")))
}
data, err := job.UnmarshalHttpResponse(nil, resp.Body, ResponseJson)
if err != nil {
return err
}
res.SuccessWithData(jobs.JobResponseOk, data)
default:
if isJson {
decoder := json.NewDecoder(resp.Body)
data := httpFailureResponse{}
if err := decoder.Decode(&data); err != nil {
return err
}
res.Failure(jobs.SimpleJobError{jobs.JobResponseError, data.Message})
return nil
}
io.Copy(os.Stderr, resp.Body)
res.Failure(jobs.SimpleJobError{jobs.JobResponseError, "Unable to decode response."})
}
return nil
}