Golang GetEndpointGroupID Examples

Example #1

File: endpoint.go Project: karamsivia/netplugin

// CreateEndpoint creates an endpoint
func CreateEndpoint(stateDriver core.StateDriver, nwCfg *mastercfg.CfgNetworkState,
	ep *intent.ConfigEP) (*mastercfg.CfgEndpointState, error) {
	epCfg := &mastercfg.CfgEndpointState{}
	epCfg.StateDriver = stateDriver
	epCfg.ID = getEpName(nwCfg.ID, ep)
	err := epCfg.Read(epCfg.ID)
	if err == nil {
		// TODO: check for diffs and possible updates
		return epCfg, nil
	}

	epCfg.NetID = nwCfg.ID
	epCfg.ContName = ep.Container
	epCfg.AttachUUID = ep.AttachUUID
	epCfg.HomingHost = ep.Host
	epCfg.ServiceName = ep.ServiceName

	// Allocate addresses
	err = allocSetEpAddress(ep, epCfg, nwCfg)
	if err != nil {
		log.Errorf("error allocating and/or reserving IP. Error: %s", err)
		return nil, err
	}

	// Set endpoint group
	// Skip for infra nw
	if nwCfg.NwType != "infra" {
		epCfg.EndpointGroupKey = mastercfg.GetEndpointGroupKey(ep.ServiceName, nwCfg.Tenant)
		epCfg.EndpointGroupID, err = mastercfg.GetEndpointGroupID(stateDriver, ep.ServiceName, nwCfg.Tenant)
		if err != nil {
			log.Errorf("Error getting endpoint group for %s.%s. Err: %v", ep.ServiceName, nwCfg.ID, err)
			return nil, err
		}
	}

	err = nwCfg.IncrEpCount()
	if err != nil {
		log.Errorf("Error incrementing ep count. Err: %v", err)
		return nil, err
	}

	err = epCfg.Write()
	if err != nil {
		log.Errorf("error writing ep config. Error: %s", err)
		return nil, err
	}

	return epCfg, nil
}

Example #2

File: policy.go Project: jojimt/netplugin

// PolicyAttach attaches a policy to an endpoint and adds associated rules to policyDB
func PolicyAttach(epg *contivModel.EndpointGroup, policy *contivModel.Policy) error {
	// Dont install policies in ACI mode
	if !isPolicyEnabled() {
		return nil
	}

	epgpKey := epg.Key + ":" + policy.Key

	// See if it already exists
	gp := mastercfg.FindEpgPolicy(epgpKey)
	if gp != nil {
		log.Errorf("EPG policy %s already exists", epgpKey)
		return EpgPolicyExists
	}

	stateDriver, err := utils.GetStateDriver()
	if err != nil {
		log.Errorf("Could not get StateDriver while attaching policy %+v", policy)
		return err
	}

	epgID, err := mastercfg.GetEndpointGroupID(stateDriver, epg.GroupName, epg.TenantName)
	if err != nil {
		log.Errorf("Error getting epgID for %s. Err: %v", epgpKey, err)
		return err
	}

	// Create the epg policy
	gp, err = mastercfg.NewEpgPolicy(epgpKey, epgID, policy)
	if err != nil {
		log.Errorf("Error creating EPG policy. Err: %v", err)
		return err
	}

	return nil
}

Example #3

File: endpoint.go Project: jojimt/netplugin

// CreateEndpoint creates an endpoint
func CreateEndpoint(stateDriver core.StateDriver, nwCfg *mastercfg.CfgNetworkState,
	epReq *CreateEndpointRequest) (*mastercfg.CfgEndpointState, error) {

	ep := &epReq.ConfigEP
	epCfg := &mastercfg.CfgEndpointState{}
	epCfg.StateDriver = stateDriver
	epCfg.ID = getEpName(nwCfg.ID, ep)
	err := epCfg.Read(epCfg.ID)
	if err == nil {
		// TODO: check for diffs and possible updates
		return epCfg, nil
	}

	epCfg.NetID = nwCfg.ID
	epCfg.EndpointID = ep.Container
	epCfg.HomingHost = ep.Host
	epCfg.ServiceName = ep.ServiceName
	epCfg.EPCommonName = epReq.EPCommonName

	// Allocate addresses
	err = allocSetEpAddress(ep, epCfg, nwCfg)
	if err != nil {
		log.Errorf("error allocating and/or reserving IP. Error: %s", err)
		return nil, err
	}

	// cleanup relies on var err being used for all error checking
	defer freeAddrOnErr(nwCfg, epCfg.IPAddress, &err)

	// Set endpoint group
	// Skip for infra nw
	if nwCfg.NwType != "infra" {
		epCfg.EndpointGroupKey = mastercfg.GetEndpointGroupKey(ep.ServiceName, nwCfg.Tenant)
		epCfg.EndpointGroupID, err = mastercfg.GetEndpointGroupID(stateDriver, ep.ServiceName, nwCfg.Tenant)
		if err != nil {
			log.Errorf("Error getting endpoint group ID for %s.%s. Err: %v", ep.ServiceName, nwCfg.ID, err)
			return nil, err
		}

		if epCfg.EndpointGroupKey != "" {
			epgCfg := &mastercfg.EndpointGroupState{}
			epgCfg.StateDriver = stateDriver
			err = epgCfg.Read(epCfg.EndpointGroupKey)
			if err != nil {
				log.Errorf("Error reading Epg info for EP: %+v. Error: %v", ep, err)
				return nil, err
			}

			epgCfg.EpCount++

			err = epgCfg.Write()
			if err != nil {
				log.Errorf("Error saving epg state: %+v", epgCfg)
				return nil, err
			}
		}
	}

	err = nwCfg.IncrEpCount()
	if err != nil {
		log.Errorf("Error incrementing ep count. Err: %v", err)
		return nil, err
	}

	err = epCfg.Write()
	if err != nil {
		log.Errorf("error writing ep config. Error: %s", err)
		return nil, err
	}

	return epCfg, nil
}