Golang RefreshCatalogCache Examples

Example #1

File: notification.go Project: vmware/harbor

// Post handles POST request, and records audit log or refreshes cache based on event.
func (n *NotificationHandler) Post() {
	var notification models.Notification
	err := json.Unmarshal(n.Ctx.Input.CopyBody(1<<32), &notification)

	if err != nil {
		log.Errorf("failed to decode notification: %v", err)
		return
	}

	events, err := filterEvents(&notification)
	if err != nil {
		log.Errorf("failed to filter events: %v", err)
		return
	}

	for _, event := range events {
		repository := event.Target.Repository

		project, _ := utils.ParseRepository(repository)
		tag := event.Target.Tag
		action := event.Action

		user := event.Actor.Name
		if len(user) == 0 {
			user = "******"
		}

		go func() {
			if err := dao.AccessLog(user, project, repository, tag, action); err != nil {
				log.Errorf("failed to add access log: %v", err)
			}
		}()
		if action == "push" {
			go func() {
				exist := dao.RepositoryExists(repository)
				if exist {
					return
				}
				log.Debugf("Add repository %s into DB.", repository)
				repoRecord := models.RepoRecord{Name: repository, OwnerName: user, ProjectName: project}
				if err := dao.AddRepository(repoRecord); err != nil {
					log.Errorf("Error happens when adding repository: %v", err)
				}
				if err := cache.RefreshCatalogCache(); err != nil {
					log.Errorf("failed to refresh cache: %v", err)
				}
			}()
			go api.TriggerReplicationByRepository(repository, []string{tag}, models.RepOpTransfer)
		}
		if action == "pull" {
			go func() {
				log.Debugf("Increase the repository %s pull count.", repository)
				if err := dao.IncreasePullCount(repository); err != nil {
					log.Errorf("Error happens when increasing pull count: %v", repository)
				}
			}()
		}
	}
}

Example #2

File: repository.go Project: vmware/harbor

// Delete ...
func (ra *RepositoryAPI) Delete() {
	repoName := ra.GetString("repo_name")
	if len(repoName) == 0 {
		ra.CustomAbort(http.StatusBadRequest, "repo_name is nil")
	}

	projectName, _ := utils.ParseRepository(repoName)
	project, err := dao.GetProjectByName(projectName)
	if err != nil {
		log.Errorf("failed to get project %s: %v", projectName, err)
		ra.CustomAbort(http.StatusInternalServerError, "")
	}

	if project == nil {
		ra.CustomAbort(http.StatusNotFound, fmt.Sprintf("project %s not found", projectName))
	}

	if project.Public == 0 {
		userID := ra.ValidateUser()
		if !hasProjectAdminRole(userID, project.ProjectID) {
			ra.CustomAbort(http.StatusForbidden, "")
		}
	}

	rc, err := ra.initRepositoryClient(repoName)
	if err != nil {
		log.Errorf("error occurred while initializing repository client for %s: %v", repoName, err)
		ra.CustomAbort(http.StatusInternalServerError, "internal error")
	}

	tags := []string{}
	tag := ra.GetString("tag")
	if len(tag) == 0 {
		tagList, err := rc.ListTag()
		if err != nil {
			if regErr, ok := err.(*registry_error.Error); ok {
				ra.CustomAbort(regErr.StatusCode, regErr.Detail)
			}

			log.Errorf("error occurred while listing tags of %s: %v", repoName, err)
			ra.CustomAbort(http.StatusInternalServerError, "internal error")
		}

		// TODO remove the logic if the bug of registry is fixed
		if len(tagList) == 0 {
			ra.CustomAbort(http.StatusNotFound, http.StatusText(http.StatusNotFound))
		}

		tags = append(tags, tagList...)
	} else {
		tags = append(tags, tag)
	}

	user, _, ok := ra.Ctx.Request.BasicAuth()
	if !ok {
		user, err = ra.getUsername()
		if err != nil {
			log.Errorf("failed to get user: %v", err)
		}
	}

	for _, t := range tags {
		if err := rc.DeleteTag(t); err != nil {
			if regErr, ok := err.(*registry_error.Error); ok {
				if regErr.StatusCode != http.StatusNotFound {
					ra.CustomAbort(regErr.StatusCode, regErr.Detail)
				}
			} else {
				log.Errorf("error occurred while deleting tag %s:%s: %v", repoName, t, err)
				ra.CustomAbort(http.StatusInternalServerError, "internal error")
			}
		}
		log.Infof("delete tag: %s:%s", repoName, t)
		go TriggerReplicationByRepository(repoName, []string{t}, models.RepOpDelete)

		go func(tag string) {
			if err := dao.AccessLog(user, projectName, repoName, tag, "delete"); err != nil {
				log.Errorf("failed to add access log: %v", err)
			}
		}(t)
	}

	exist, err := repositoryExist(repoName, rc)
	if err != nil {
		log.Errorf("failed to check the existence of repository %s: %v", repoName, err)
		ra.CustomAbort(http.StatusInternalServerError, "")
	}
	if !exist {
		if err = dao.DeleteRepository(repoName); err != nil {
			log.Errorf("failed to delete repository %s: %v", repoName, err)
			ra.CustomAbort(http.StatusInternalServerError, "")
		}
	}

	go func() {
		log.Debug("refreshing catalog cache")
		if err := cache.RefreshCatalogCache(); err != nil {
			log.Errorf("error occurred while refresh catalog cache: %v", err)
		}
	}()
}