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Golang Cfg.AllocVXLAN方法代碼示例

本文整理匯總了Golang中github.com/contiv/netplugin/netmaster/gstate.Cfg.AllocVXLAN方法的典型用法代碼示例。如果您正苦於以下問題：Golang Cfg.AllocVXLAN方法的具體用法？Golang Cfg.AllocVXLAN怎麽用？Golang Cfg.AllocVXLAN使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/contiv/netplugin/netmaster/gstate.Cfg的用法示例。


在下文中一共展示了Cfg.AllocVXLAN方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: CreateNetwork

// CreateNetwork creates a network from intent
func CreateNetwork(network intent.ConfigNetwork, stateDriver core.StateDriver, tenantName string) error {
	var extPktTag, pktTag uint

	gCfg := gstate.Cfg{}
	gCfg.StateDriver = stateDriver
	err := gCfg.Read("")
	if err != nil {
		log.Errorf("error reading tenant cfg state. Error: %s", err)
		return err
	}

	// Create network state
	networkID := network.Name + "." + tenantName
	nwCfg := &mastercfg.CfgNetworkState{}
	nwCfg.StateDriver = stateDriver
	if nwCfg.Read(networkID) == nil {
		// TODO: check if parameters changed and apply an update if needed
		return nil
	}

	subnetIP, subnetLen, _ := netutils.ParseCIDR(network.SubnetCIDR)
	err = netutils.ValidateNetworkRangeParams(subnetIP, subnetLen)
	if err != nil {
		return err
	}

	ipv6Subnet, ipv6SubnetLen, _ := netutils.ParseCIDR(network.IPv6SubnetCIDR)

	// construct and update network state
	nwCfg = &mastercfg.CfgNetworkState{
		Tenant:        tenantName,
		NetworkName:   network.Name,
		NwType:        network.NwType,
		PktTagType:    network.PktTagType,
		SubnetIP:      subnetIP,
		SubnetLen:     subnetLen,
		IPv6Subnet:    ipv6Subnet,
		IPv6SubnetLen: ipv6SubnetLen,
	}

	nwCfg.ID = networkID
	nwCfg.StateDriver = stateDriver

	// Allocate pkt tags
	reqPktTag := uint(network.PktTag)
	if nwCfg.PktTagType == "vlan" {
		pktTag, err = gCfg.AllocVLAN(reqPktTag)
		if err != nil {
			return err
		}
	} else if nwCfg.PktTagType == "vxlan" {
		extPktTag, pktTag, err = gCfg.AllocVXLAN(reqPktTag)
		if err != nil {
			return err
		}
	}

	nwCfg.ExtPktTag = int(extPktTag)
	nwCfg.PktTag = int(pktTag)

	netutils.InitSubnetBitset(&nwCfg.IPAllocMap, nwCfg.SubnetLen)
	subnetAddr := netutils.GetSubnetAddr(nwCfg.SubnetIP, nwCfg.SubnetLen)
	nwCfg.SubnetIP = subnetAddr
	nwCfg.IPAddrRange = netutils.GetIPAddrRange(subnetIP, subnetLen)

	if network.Gateway != "" {
		nwCfg.Gateway = network.Gateway

		// Reserve gateway IP address if gateway is specified
		ipAddrValue, err := netutils.GetIPNumber(subnetAddr, nwCfg.SubnetLen, 32, nwCfg.Gateway)
		if err != nil {
			log.Errorf("Error parsing gateway address %s. Err: %v", nwCfg.Gateway, err)
			return err
		}
		nwCfg.IPAllocMap.Set(ipAddrValue)
	}

	if strings.Contains(subnetIP, "-") {
		netutils.SetBitsOutsideRange(&nwCfg.IPAllocMap, subnetIP, subnetLen)
	}

	if network.IPv6Gateway != "" {
		nwCfg.IPv6Gateway = network.IPv6Gateway

		// Reserve gateway IPv6 address if gateway is specified
		hostID, err := netutils.GetIPv6HostID(nwCfg.IPv6Subnet, nwCfg.IPv6SubnetLen, nwCfg.IPv6Gateway)
		if err != nil {
			log.Errorf("Error parsing gateway address %s. Err: %v", nwCfg.IPv6Gateway, err)
			return err
		}
		netutils.ReserveIPv6HostID(hostID, &nwCfg.IPv6AllocMap)
	}

	err = nwCfg.Write()
	if err != nil {
		return err
	}

	// Skip docker and service container configs for infra nw
//.........這裏部分代碼省略.........
開發者ID:abhinandanpb，項目名稱:netplugin，代碼行數:101，代碼來源:network.go

示例2: processResource

// processResource handles resource commands
func processResource(stateDriver core.StateDriver, rsrcName, rsrcVal string) error {
	// Read global config
	gCfg := gstate.Cfg{}
	gCfg.StateDriver = stateDriver
	err := gCfg.Read("")
	if err != nil {
		log.Errorf("error reading tenant cfg state. Error: %s", err)
		return err
	}

	// process resource based on name
	if rsrcName == "vlan" {
		numVlans, vlansInUse := gCfg.GetVlansInUse()
		fmt.Printf("Num Vlans: %d\n Current Vlans in Use: %s\n", numVlans, vlansInUse)

		// see if we need to set the resource
		if rsrcVal != "" {
			values, err := parseRange(rsrcVal)
			if err != nil {
				log.Errorf("Error parsing range: %v", err)
				return err
			}
			log.Infof("Setting vlan values: %v", values)

			// set vlan values
			for _, val := range values {
				_, err = gCfg.AllocVLAN(val)
				if err != nil {
					log.Errorf("Error setting vlan: %d. Err: %v", val, err)
				}
			}

			log.Infof("Finished setting VLANs")
		}
	} else if rsrcName == "vxlan" {
		numVxlans, vxlansInUse := gCfg.GetVxlansInUse()
		fmt.Printf("Num Vxlans: %d\n Current Vxlans in Use: %s\n", numVxlans, vxlansInUse)

		// see if we need to set the resource
		if rsrcVal != "" {
			values, err := parseRange(rsrcVal)
			if err != nil {
				log.Errorf("Error parsing range: %v", err)
				return err
			}
			log.Infof("Setting vxlan values: %v", values)

			// set vlan values
			for _, val := range values {
				_, _, err = gCfg.AllocVXLAN(val)
				if err != nil {
					log.Errorf("Error setting vxlan: %d. Err: %v", val, err)
				}
			}

			log.Infof("Finished setting VXLANs")
		}
	} else {
		log.Errorf("Unknown resource: %v", rsrcName)
		return fmt.Errorf("Unknown resource")
	}

	return nil
}
開發者ID:jojimt，項目名稱:netplugin，代碼行數:65，代碼來源:cfgtool.go

示例3: CreateNetwork

// CreateNetwork creates a network from intent
func CreateNetwork(network intent.ConfigNetwork, stateDriver core.StateDriver, tenantName string) error {
	var extPktTag, pktTag uint

	gCfg := gstate.Cfg{}
	gCfg.StateDriver = stateDriver
	err := gCfg.Read("")
	if err != nil {
		log.Errorf("error reading tenant cfg state. Error: %s", err)
		return err
	}

	// Create network state
	networkID := network.Name + "." + tenantName
	nwCfg := &mastercfg.CfgNetworkState{}
	nwCfg.StateDriver = stateDriver
	if nwCfg.Read(networkID) == nil {
		// TODO: check if parameters changed and apply an update if needed
		return nil
	}

	subnetIP, subnetLen, _ := netutils.ParseCIDR(network.SubnetCIDR)

	// construct and update network state
	nwCfg = &mastercfg.CfgNetworkState{
		Tenant:      tenantName,
		NetworkName: network.Name,
		PktTagType:  network.PktTagType,
		SubnetIP:    subnetIP,
		SubnetLen:   subnetLen,
		Gateway:     network.Gateway,
	}

	nwCfg.ID = networkID
	nwCfg.StateDriver = stateDriver

	// Allocate pkt tags
	reqPktTag := uint(network.PktTag)
	if nwCfg.PktTagType == "vlan" {
		pktTag, err = gCfg.AllocVLAN(reqPktTag)
		if err != nil {
			return err
		}
	} else if nwCfg.PktTagType == "vxlan" {
		extPktTag, pktTag, err = gCfg.AllocVXLAN(reqPktTag)
		if err != nil {
			return err
		}
	}

	nwCfg.ExtPktTag = int(extPktTag)
	nwCfg.PktTag = int(pktTag)

	// Reserve gateway IP address
	ipAddrValue, err := netutils.GetIPNumber(nwCfg.SubnetIP, nwCfg.SubnetLen, 32, nwCfg.Gateway)
	if err != nil {
		log.Errorf("Error parsing gateway address %s. Err: %v", nwCfg.Gateway, err)
		return err
	}
	nwCfg.IPAllocMap.Set(ipAddrValue)

	netutils.InitSubnetBitset(&nwCfg.IPAllocMap, nwCfg.SubnetLen)
	err = nwCfg.Write()
	if err != nil {
		return err
	}

	if GetClusterMode() == "docker" {
		// Create the network in docker
		subnetCIDR := fmt.Sprintf("%s/%d", nwCfg.SubnetIP, nwCfg.SubnetLen)
		err = createDockNet(tenantName, network.Name, "", subnetCIDR, nwCfg.Gateway)
		if err != nil {
			log.Errorf("Error creating network %s in docker. Err: %v", nwCfg.ID, err)
			return err
		}

		// Attach service container endpoint to the network
		err = attachServiceContainer(tenantName, network.Name, stateDriver)
		if err != nil {
			log.Errorf("Error attaching service container to network: %s. Err: %v",
				networkID, err)
			return err
		}
	}

	return nil
}
開發者ID:nikolayvoronchikhin，項目名稱:netplugin，代碼行數:87，代碼來源:network.go


注：本文中的github.com/contiv/netplugin/netmaster/gstate.Cfg.AllocVXLAN方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。