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/
staging_completer.go
77 lines (59 loc) · 2.18 KB
/
staging_completer.go
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package stager
import (
"context"
"encoding/json"
"net/url"
"code.cloudfoundry.org/eirini/models/cf"
"code.cloudfoundry.org/lager"
"code.cloudfoundry.org/runtimeschema/cc_messages"
"github.com/pkg/errors"
)
//counterfeiter:generate . CallbackClient
type CallbackClient interface {
Post(ctx context.Context, url string, data interface{}) error
}
type CallbackStagingCompleter struct {
logger lager.Logger
callbackClient CallbackClient
}
func NewCallbackStagingCompleter(logger lager.Logger, callbackClient CallbackClient) *CallbackStagingCompleter {
return &CallbackStagingCompleter{
logger: logger,
callbackClient: callbackClient,
}
}
func (s *CallbackStagingCompleter) CompleteStaging(ctx context.Context, taskCompletedRequest cf.StagingCompletedRequest) error {
l := s.logger.Session("complete-staging", lager.Data{"task-guid": taskCompletedRequest.TaskGUID})
callbackURI, err := s.getCallbackURI(taskCompletedRequest)
if err != nil {
l.Error("failed-to-parse-callback-uri", err)
return err
}
_, err = url.Parse(callbackURI)
if err != nil {
l.Error("failed-to-parse-callback-request", err)
}
response := s.constructStagingResponse(taskCompletedRequest)
return errors.Wrap(s.callbackClient.Post(ctx, callbackURI, response), "callback-response-unsuccessful")
}
func (s *CallbackStagingCompleter) constructStagingResponse(taskCompletedRequest cf.StagingCompletedRequest) cc_messages.StagingResponseForCC {
var response cc_messages.StagingResponseForCC
if taskCompletedRequest.Failed {
response.Error = &cc_messages.StagingError{
Id: cc_messages.STAGING_ERROR,
Message: taskCompletedRequest.FailureReason,
}
} else {
result := json.RawMessage([]byte(taskCompletedRequest.Result))
response.Result = &result
}
return response
}
func (s *CallbackStagingCompleter) getCallbackURI(taskCompletedRequest cf.StagingCompletedRequest) (string, error) {
var annotation cc_messages.StagingTaskAnnotation
if err := json.Unmarshal([]byte(taskCompletedRequest.Annotation), &annotation); err != nil {
s.logger.Error("failed-to-parse-annotation", err)
return "", errors.Wrap(err, "failed to parse annotation")
}
return annotation.CompletionCallback, nil
}