Golang modeldb.AddLink函数代码示例

// AppCreate creates app state
func (ac *APIController) AppCreate(app *contivModel.App) error {
	log.Infof("Received AppCreate: %+v", app)

	// Make sure tenant exists
	if app.TenantName == "" {
		return core.Errorf("Invalid tenant name")
	}

	tenant := contivModel.FindTenant(app.TenantName)
	if tenant == nil {
		return core.Errorf("Tenant not found")
	}

	// Setup links
	modeldb.AddLink(&app.Links.Tenant, tenant)
	modeldb.AddLinkSet(&tenant.LinkSets.Apps, app)

	// Save the tenant too since we added the links
	err := tenant.Write()
	if err != nil {
		log.Errorf("Error updating tenant state(%+v). Err: %v", tenant, err)
		return err
	}

	CreateAppNw(app)
	return nil
}

// VolumeCreate creates a volume
func (ac *APIController) VolumeCreate(volume *contivModel.Volume) error {
	log.Infof("Received VolumeCreate: %+v", volume)

	// Make sure tenant exists
	if volume.TenantName == "" {
		return errors.New("Invalid tenant name")
	}

	tenant := contivModel.FindTenant(volume.TenantName)
	if tenant == nil {
		return errors.New("Tenant not found")
	}

	// Setup links
	modeldb.AddLink(&volume.Links.Tenant, tenant)
	modeldb.AddLinkSet(&tenant.LinkSets.Volumes, volume)

	// Save the tenant too since we added the links
	err := tenant.Write()
	if err != nil {
		return err
	}

	return nil
}

// ServiceInstanceCreate creates a service instance
func (ac *APIController) ServiceInstanceCreate(serviceInstance *contivModel.ServiceInstance) error {
	log.Infof("Received ServiceInstanceCreate: %+v", serviceInstance)
	inst := serviceInstance

	// Find the service
	serviceKey := inst.TenantName + ":" + inst.AppName + ":" + inst.ServiceName
	service := contivModel.FindService(serviceKey)
	if service == nil {
		log.Errorf("Service %s not found for instance: %+v", serviceKey, inst)
		return errors.New("Service not found")
	}

	// Add links
	modeldb.AddLinkSet(&service.LinkSets.Instances, inst)
	modeldb.AddLink(&inst.Links.Service, service)

	// setup links with volumes
	for _, volumeName := range inst.Volumes {
		// find the volume
		volume := contivModel.FindVolume(inst.TenantName + ":" + volumeName)
		if volume == nil {
			log.Errorf("Could not find colume %s for service: %s", volumeName, inst.Key)
			return errors.New("Could not find the volume")
		}

		// add Links
		modeldb.AddLinkSet(&inst.LinkSets.Volumes, volume)
		modeldb.AddLinkSet(&volume.LinkSets.ServiceInstances, inst)
	}

	return nil
}

func (self *ApiController) NetworkCreate(network *contivModel.Network) error {
	log.Infof("Received NetworkCreate: %+v", network)

	// Make sure tenant exists
	if network.TenantName == "" {
		return errors.New("Invalid tenant name")
	}

	tenant := contivModel.FindTenant(network.TenantName)
	if tenant == nil {
		return errors.New("Tenant not found")
	}

	// Setup links
	modeldb.AddLink(&network.Links.Tenant, tenant)
	modeldb.AddLinkSet(&tenant.LinkSets.Networks, network)

	// Save the tenant too since we added the links
	err := tenant.Write()
	if err != nil {
		log.Errorf("Error updating tenant state(%+v). Err: %v", tenant, err)
		return err
	}

	return nil
}

// EndpointGroupCreate creates end point group
func (ac *APIController) EndpointGroupCreate(endpointGroup *contivModel.EndpointGroup) error {
	log.Infof("Received EndpointGroupCreate: %+v", endpointGroup)

	// assign unique endpoint group ids
	endpointGroup.EndpointGroupID = globalEpgID
	globalEpgID = globalEpgID + 1

	// Find the tenant
	tenant := contivModel.FindTenant(endpointGroup.TenantName)
	if tenant == nil {
		return core.Errorf("Tenant not found")
	}

	// Setup links
	modeldb.AddLink(&endpointGroup.Links.Tenant, tenant)
	modeldb.AddLinkSet(&tenant.LinkSets.EndpointGroups, endpointGroup)

	// Save the tenant too since we added the links
	err := tenant.Write()
	if err != nil {
		return err
	}

	// for each policy create an epg policy Instance
	for _, policyName := range endpointGroup.Policies {
		policyKey := endpointGroup.TenantName + ":" + policyName
		// find the policy
		policy := contivModel.FindPolicy(policyKey)
		if policy == nil {
			log.Errorf("Could not find policy %s", policyName)
			return core.Errorf("Policy not found")
		}

		// attach policy to epg
		err = master.PolicyAttach(endpointGroup, policy)
		if err != nil {
			log.Errorf("Error attaching policy %s to epg %s", policyName, endpointGroup.Key)
			return err
		}

		// establish Links
		modeldb.AddLinkSet(&policy.LinkSets.EndpointGroups, endpointGroup)
		modeldb.AddLinkSet(&endpointGroup.LinkSets.Policies, policy)

		// Write the policy
		err = policy.Write()
		if err != nil {
			return err
		}
	}

	return nil
}

// NetworkCreate creates network
func (ac *APIController) NetworkCreate(network *contivModel.Network) error {
	log.Infof("Received NetworkCreate: %+v", network)

	// Make sure tenant exists
	if network.TenantName == "" {
		return core.Errorf("Invalid tenant name")
	}

	tenant := contivModel.FindTenant(network.TenantName)
	if tenant == nil {
		return core.Errorf("Tenant not found")
	}

	// Setup links
	modeldb.AddLink(&network.Links.Tenant, tenant)
	modeldb.AddLinkSet(&tenant.LinkSets.Networks, network)

	// Save the tenant too since we added the links
	err := tenant.Write()
	if err != nil {
		log.Errorf("Error updating tenant state(%+v). Err: %v", tenant, err)
		return err
	}

	// Get the state driver
	stateDriver, err := utils.GetStateDriver()
	if err != nil {
		return err
	}

	// Build networ config
	networkCfg := intent.ConfigNetwork{
		Name:       network.NetworkName,
		PktTagType: network.Encap,
		PktTag:     network.PktTag,
		SubnetCIDR: network.Subnet,
		Gateway:    network.Gateway,
	}

	// Create the network
	err = master.CreateNetwork(networkCfg, stateDriver, network.TenantName)
	if err != nil {
		log.Errorf("Error creating network {%+v}. Err: %v", network, err)
		return err
	}

	return nil
}

// ServiceInstanceCreate creates a service instance
func (ac *APIController) ServiceInstanceCreate(serviceInstance *contivModel.ServiceInstance) error {
	log.Infof("Received ServiceInstanceCreate: %+v", serviceInstance)
	inst := serviceInstance

	// Find the service
	serviceKey := inst.TenantName + ":" + inst.AppName + ":" + inst.ServiceName
	service := contivModel.FindService(serviceKey)
	if service == nil {
		log.Errorf("Service %s not found for instance: %+v", serviceKey, inst)
		return core.Errorf("Service not found")
	}

	// Add links
	modeldb.AddLinkSet(&service.LinkSets.Instances, inst)
	modeldb.AddLink(&inst.Links.Service, service)

	return nil
}

// ServiceCreate creates service
func (ac *APIController) ServiceCreate(service *contivModel.Service) error {
	log.Infof("Received ServiceCreate: %+v", service)

	// check params
	if (service.TenantName == "") || (service.AppName == "") {
		return core.Errorf("Invalid parameters")
	}

	// Make sure tenant exists
	tenant := contivModel.FindTenant(service.TenantName)
	if tenant == nil {
		return core.Errorf("Tenant not found")
	}

	// Find the app this service belongs to
	app := contivModel.FindApp(service.TenantName + ":" + service.AppName)
	if app == nil {
		return core.Errorf("App not found")
	}

	// Setup links
	modeldb.AddLink(&service.Links.App, app)
	modeldb.AddLinkSet(&app.LinkSets.Services, service)

	// Save the app too since we added the links
	err := app.Write()
	if err != nil {
		return err
	}

	// Check if user specified any networks
	if len(service.Networks) == 0 {
		service.Networks = append(service.Networks, "private")
	}

	// link service with network
	for _, netName := range service.Networks {
		netKey := service.TenantName + ":" + netName
		network := contivModel.FindNetwork(netKey)
		if network == nil {
			log.Errorf("Service: %s could not find network %s", service.Key, netKey)
			return core.Errorf("Network not found")
		}

		// Link the network
		modeldb.AddLinkSet(&service.LinkSets.Networks, network)
		modeldb.AddLinkSet(&network.LinkSets.Services, service)

		// save the network
		err := network.Write()
		if err != nil {
			return err
		}
	}

	// Check if user specified any endpoint group for the service
	if len(service.EndpointGroups) == 0 {
		// Create one default endpointGroup per network
		for _, netName := range service.Networks {
			// params for default endpoint group
			dfltEpgName := service.AppName + "." + service.ServiceName + "." + netName
			endpointGroup := contivModel.EndpointGroup{
				Key:         service.TenantName + ":" + dfltEpgName,
				TenantName:  service.TenantName,
				NetworkName: netName,
				GroupName:   dfltEpgName,
			}

			// Create default endpoint group for the service
			err = contivModel.CreateEndpointGroup(&endpointGroup)
			if err != nil {
				log.Errorf("Error creating endpoint group: %+v, Err: %v", endpointGroup, err)
				return err
			}

			// Add the endpoint group to the list
			service.EndpointGroups = append(service.EndpointGroups, dfltEpgName)
		}
	}

	// Link the service and endpoint group
	for _, epgName := range service.EndpointGroups {
		endpointGroup := contivModel.FindEndpointGroup(service.TenantName + ":" + epgName)
		if endpointGroup == nil {
			log.Errorf("Error: could not find endpoint group: %s", epgName)
			return core.Errorf("could not find endpointGroup")
		}

		// setup links
		modeldb.AddLinkSet(&service.LinkSets.EndpointGroups, endpointGroup)
		modeldb.AddLinkSet(&endpointGroup.LinkSets.Services, service)

		// save the endpointGroup
		err = endpointGroup.Write()
		if err != nil {
			return err
		}
	}

//.........这里部分代码省略.........

// ServiceCreate creates service
func (ac *APIController) ServiceCreate(service *contivModel.Service) error {
	log.Infof("Received ServiceCreate: %+v", service)

	// check params
	if (service.TenantName == "") || (service.AppName == "") {
		return errors.New("Invalid parameters")
	}

	// Make sure tenant exists
	tenant := contivModel.FindTenant(service.TenantName)
	if tenant == nil {
		return errors.New("Tenant not found")
	}

	// Find the app this service belongs to
	app := contivModel.FindApp(service.TenantName + ":" + service.AppName)
	if app == nil {
		return errors.New("App not found")
	}

	// Setup links
	modeldb.AddLink(&service.Links.App, app)
	modeldb.AddLinkSet(&app.LinkSets.Services, service)

	// Save the app too since we added the links
	err := app.Write()
	if err != nil {
		return err
	}

	// Check if user specified any networks
	if len(service.Networks) == 0 {
		service.Networks = append(service.Networks, "privateNet")
	}

	// link service with network
	for _, netName := range service.Networks {
		netKey := service.TenantName + ":" + netName
		network := contivModel.FindNetwork(netKey)
		if network == nil {
			log.Errorf("Service: %s could not find network %s", service.Key, netKey)
			return errors.New("Network not found")
		}

		// Link the network
		modeldb.AddLinkSet(&service.LinkSets.Networks, network)
		modeldb.AddLinkSet(&network.LinkSets.Services, service)

		// save the network
		err := network.Write()
		if err != nil {
			return err
		}
	}

	// Check if user specified any endpoint group for the service
	if len(service.EndpointGroups) == 0 {
		// Create one default endpointGroup per network
		for _, netName := range service.Networks {
			// params for default endpoint group
			dfltEpgName := service.AppName + "." + service.ServiceName + "." + netName
			endpointGroup := contivModel.EndpointGroup{
				Key:         service.TenantName + ":" + dfltEpgName,
				TenantName:  service.TenantName,
				NetworkName: netName,
				GroupName:   dfltEpgName,
			}

			// Create default endpoint group for the service
			err = contivModel.CreateEndpointGroup(&endpointGroup)
			if err != nil {
				log.Errorf("Error creating endpoint group: %+v, Err: %v", endpointGroup, err)
				return err
			}

			// Add the endpoint group to the list
			service.EndpointGroups = append(service.EndpointGroups, dfltEpgName)
		}
	}

	// Link the service and endpoint group
	for _, epgName := range service.EndpointGroups {
		endpointGroup := contivModel.FindEndpointGroup(service.TenantName + ":" + epgName)
		if endpointGroup == nil {
			log.Errorf("Error: could not find endpoint group: %s", epgName)
			return errors.New("could not find endpointGroup")
		}

		// setup links
		modeldb.AddLinkSet(&service.LinkSets.EndpointGroups, endpointGroup)
		modeldb.AddLinkSet(&endpointGroup.LinkSets.Services, service)

		// save the endpointGroup
		err = endpointGroup.Write()
		if err != nil {
			return err
		}
	}

//.........这里部分代码省略.........