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Golang ipcmd.NewTransaction函數代碼示例

本文整理匯總了Golang中github.com/openshift/openshift-sdn/pkg/ipcmd.NewTransaction函數的典型用法代碼示例。如果您正苦於以下問題：Golang NewTransaction函數的具體用法？Golang NewTransaction怎麽用？Golang NewTransaction使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了NewTransaction函數的5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: deleteLocalSubnetRoute

func deleteLocalSubnetRoute(device, localSubnetCIDR string) {
	const (
		timeInterval = 100 * time.Millisecond
		maxIntervals = 20
	)

	for i := 0; i < maxIntervals; i++ {
		itx := ipcmd.NewTransaction(device)
		routes, err := itx.GetRoutes()
		if err != nil {
			glog.Errorf("Could not get routes for dev %s: %v", device, err)
			return
		}
		for _, route := range routes {
			if strings.Contains(route, localSubnetCIDR) {
				itx.DeleteRoute(localSubnetCIDR)
				err = itx.EndTransaction()
				if err != nil {
					glog.Errorf("Could not delete subnet route %s from dev %s: %v", localSubnetCIDR, device, err)
				}
				return
			}
		}

		time.Sleep(timeInterval)
	}

	glog.Errorf("Timed out looking for %s route for dev %s; if it appears later it will not be deleted.", localSubnetCIDR, device)
}
開發者ID:richm，項目名稱:origin，代碼行數:29，代碼來源:controller.go

示例2: alreadySetUp

func alreadySetUp(multitenant bool, localSubnetGatewayCIDR string) bool {
	var found bool

	itx := ipcmd.NewTransaction(LBR)
	addrs, err := itx.GetAddresses()
	itx.EndTransaction()
	if err != nil {
		return false
	}
	found = false
	for _, addr := range addrs {
		if addr == localSubnetGatewayCIDR {
			found = true
			break
		}
	}
	if !found {
		return false
	}

	otx := ovs.NewTransaction(BR)
	flows, err := otx.DumpFlows()
	otx.EndTransaction()
	if err != nil {
		return false
	}
	found = false
	for _, flow := range flows {
		if !strings.Contains(flow, VERSION_TABLE) {
			continue
		}
		idx := strings.Index(flow, VERSION_ACTION)
		if idx < 0 {
			continue
		}

		// OVS note action format hex bytes separated by '.'; first
		// byte is plugin type (multi-tenant/single-tenant) and second
		// byte is flow rule version
		expected := getPluginVersion(multitenant)
		existing := strings.Split(flow[idx+len(VERSION_ACTION):], ".")
		if len(existing) >= 2 && existing[0] == expected[0] && existing[1] == expected[1] {
			found = true
			break
		}
	}
	if !found {
		return false
	}

	return true
}
開發者ID:iconoeugen，項目名稱:origin，代碼行數:52，代碼來源:controller.go

示例3: alreadySetUp

func alreadySetUp(multitenant bool, localSubnetGatewayCIDR string) bool {
	var found bool

	itx := ipcmd.NewTransaction(LBR)
	addrs, err := itx.GetAddresses()
	itx.EndTransaction()
	if err != nil {
		return false
	}
	found = false
	for _, addr := range addrs {
		if addr == localSubnetGatewayCIDR {
			found = true
			break
		}
	}
	if !found {
		return false
	}

	otx := ovs.NewTransaction(BR)
	flows, err := otx.DumpFlows()
	otx.EndTransaction()
	if err != nil {
		return false
	}
	found = false
	for _, flow := range flows {
		if !strings.Contains(flow, "table=3") {
			continue
		}
		if (multitenant && strings.Contains(flow, "NXM_NX_TUN_ID")) ||
			(!multitenant && strings.Contains(flow, "goto_table:9")) {
			found = true
			break
		}
	}
	if !found {
		return false
	}

	return true
}
開發者ID:richm，項目名稱:origin，代碼行數:43，代碼來源:controller.go

示例4: Setup

func (c *FlowController) Setup(localSubnetCIDR, clusterNetworkCIDR, servicesNetworkCIDR string, mtu uint) (bool, error) {
	_, ipnet, err := net.ParseCIDR(localSubnetCIDR)
	localSubnetMaskLength, _ := ipnet.Mask.Size()
	localSubnetGateway := netutils.GenerateDefaultGateway(ipnet).String()

	glog.V(5).Infof("[SDN setup] node pod subnet %s gateway %s", ipnet.String(), localSubnetGateway)

	gwCIDR := fmt.Sprintf("%s/%d", localSubnetGateway, localSubnetMaskLength)
	if alreadySetUp(c.multitenant, gwCIDR) {
		glog.V(5).Infof("[SDN setup] no SDN setup required")
		return false, nil
	}
	glog.V(5).Infof("[SDN setup] full SDN setup required")

	mtuStr := fmt.Sprint(mtu)

	itx := ipcmd.NewTransaction(LBR)
	itx.SetLink("down")
	itx.IgnoreError()
	itx.DeleteLink()
	itx.IgnoreError()
	itx.AddLink("type", "bridge")
	itx.AddAddress(gwCIDR)
	itx.SetLink("up")
	err = itx.EndTransaction()
	if err != nil {
		glog.Errorf("Failed to configure docker bridge: %v", err)
		return false, err
	}
	defer deleteLocalSubnetRoute(LBR, localSubnetCIDR)

	glog.V(5).Infof("[SDN setup] docker setup %s mtu %s", LBR, mtuStr)
	out, err := exec.Command("openshift-sdn-docker-setup.sh", LBR, mtuStr).CombinedOutput()
	if err != nil {
		glog.Errorf("Failed to configure docker networking: %v\n%s", err, out)
		return false, err
	} else {
		glog.V(5).Infof("[SDN setup] docker setup success:\n%s", out)
	}

	config := fmt.Sprintf("export OPENSHIFT_CLUSTER_SUBNET=%s", clusterNetworkCIDR)
	err = ioutil.WriteFile("/run/openshift-sdn/config.env", []byte(config), 0644)
	if err != nil {
		return false, err
	}

	itx = ipcmd.NewTransaction(VLINUXBR)
	itx.DeleteLink()
	itx.IgnoreError()
	itx.AddLink("mtu", mtuStr, "type", "veth", "peer", "name", VOVSBR, "mtu", mtuStr)
	itx.SetLink("up")
	itx.SetLink("txqueuelen", "0")
	err = itx.EndTransaction()
	if err != nil {
		return false, err
	}

	itx = ipcmd.NewTransaction(VOVSBR)
	itx.SetLink("up")
	itx.SetLink("txqueuelen", "0")
	err = itx.EndTransaction()
	if err != nil {
		return false, err
	}

	itx = ipcmd.NewTransaction(LBR)
	itx.AddSlave(VLINUXBR)
	err = itx.EndTransaction()
	if err != nil {
		return false, err
	}

	otx := ovs.NewTransaction(BR)
	otx.AddBridge("fail-mode=secure", "protocols=OpenFlow13")
	otx.AddPort(VXLAN, 1, "type=vxlan", `options:remote_ip="flow"`, `options:key="flow"`)
	otx.AddPort(TUN, 2, "type=internal")
	otx.AddPort(VOVSBR, 3)

	// Table 0; VXLAN filtering; the first rule sends un-tunnelled packets
	// to table 1. Additional per-node rules are filled in by controller.go
	otx.AddFlow("table=0, tun_src=0.0.0.0, actions=goto_table:1")
	// eg, "table=0, tun_src=${remote_node}, actions=goto_table:1"

	// Table 1; learn MAC addresses and continue with table 2
	otx.AddFlow("table=1, actions=learn(table=9, priority=200, hard_timeout=900, NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], load:NXM_NX_TUN_IPV4_SRC[]->NXM_NX_TUN_IPV4_DST[], output:NXM_OF_IN_PORT[]), goto_table:2")

	// Table 2; initial dispatch
	otx.AddFlow("table=2, priority=200, arp, actions=goto_table:9")
	otx.AddFlow("table=2, priority=100, in_port=1, actions=goto_table:3") // vxlan0
	otx.AddFlow("table=2, priority=100, in_port=2, actions=goto_table:6") // tun0
	otx.AddFlow("table=2, priority=100, in_port=3, actions=goto_table:6") // vovsbr
	otx.AddFlow("table=2, priority=0, actions=goto_table:4")              // container

	// Table 3; incoming from vxlan
	otx.AddFlow("table=3, priority=200, ip, nw_dst=%s, actions=output:2", localSubnetGateway)
	if c.multitenant {
		otx.AddFlow("table=3, priority=100, ip, nw_dst=%s, actions=move:NXM_NX_TUN_ID[0..31]->NXM_NX_REG0[], goto_table:6", localSubnetCIDR)
	} else {
		otx.AddFlow("table=3, priority=100, ip, nw_dst=%s, actions=goto_table:9", localSubnetCIDR)
	}
//.........這裏部分代碼省略.........
開發者ID:richm，項目名稱:origin，代碼行數:101，代碼來源:controller.go

示例5: SetupSDN

func (plugin *ovsPlugin) SetupSDN(localSubnetCIDR, clusterNetworkCIDR, servicesNetworkCIDR string, mtu uint) (bool, error) {
	_, ipnet, err := net.ParseCIDR(localSubnetCIDR)
	localSubnetMaskLength, _ := ipnet.Mask.Size()
	localSubnetGateway := netutils.GenerateDefaultGateway(ipnet).String()

	glog.V(5).Infof("[SDN setup] node pod subnet %s gateway %s", ipnet.String(), localSubnetGateway)

	gwCIDR := fmt.Sprintf("%s/%d", localSubnetGateway, localSubnetMaskLength)
	if alreadySetUp(plugin.multitenant, gwCIDR) {
		glog.V(5).Infof("[SDN setup] no SDN setup required")
		return false, nil
	}
	glog.V(5).Infof("[SDN setup] full SDN setup required")

	mtuStr := fmt.Sprint(mtu)

	itx := ipcmd.NewTransaction(LBR)
	itx.SetLink("down")
	itx.IgnoreError()
	itx.DeleteLink()
	itx.IgnoreError()
	itx.AddLink("type", "bridge")
	itx.AddAddress(gwCIDR)
	itx.SetLink("up")
	err = itx.EndTransaction()
	if err != nil {
		glog.Errorf("Failed to configure docker bridge: %v", err)
		return false, err
	}
	defer deleteLocalSubnetRoute(LBR, localSubnetCIDR)

	glog.V(5).Infof("[SDN setup] docker setup %s mtu %s", LBR, mtuStr)
	out, err := exec.Command("openshift-sdn-docker-setup.sh", LBR, mtuStr).CombinedOutput()
	if err != nil {
		glog.Errorf("Failed to configure docker networking: %v\n%s", err, out)
		return false, err
	} else {
		glog.V(5).Infof("[SDN setup] docker setup success:\n%s", out)
	}

	config := fmt.Sprintf("export OPENSHIFT_CLUSTER_SUBNET=%s", clusterNetworkCIDR)
	err = ioutil.WriteFile("/run/openshift-sdn/config.env", []byte(config), 0644)
	if err != nil {
		return false, err
	}

	itx = ipcmd.NewTransaction(VLINUXBR)
	itx.DeleteLink()
	itx.IgnoreError()
	itx.AddLink("mtu", mtuStr, "type", "veth", "peer", "name", VOVSBR, "mtu", mtuStr)
	itx.SetLink("up")
	itx.SetLink("txqueuelen", "0")
	err = itx.EndTransaction()
	if err != nil {
		return false, err
	}

	itx = ipcmd.NewTransaction(VOVSBR)
	itx.SetLink("up")
	itx.SetLink("txqueuelen", "0")
	err = itx.EndTransaction()
	if err != nil {
		return false, err
	}

	itx = ipcmd.NewTransaction(LBR)
	itx.AddSlave(VLINUXBR)
	err = itx.EndTransaction()
	if err != nil {
		return false, err
	}

	otx := ovs.NewTransaction(BR)
	otx.AddBridge("fail-mode=secure", "protocols=OpenFlow13")
	otx.AddPort(VXLAN, 1, "type=vxlan", `options:remote_ip="flow"`, `options:key="flow"`)
	otx.AddPort(TUN, 2, "type=internal")
	otx.AddPort(VOVSBR, 3)

	// Table 0: initial dispatch based on in_port
	// vxlan0
	otx.AddFlow("table=0, priority=200, in_port=1, arp, nw_src=%s, nw_dst=%s, actions=move:NXM_NX_TUN_ID[0..31]->NXM_NX_REG0[],goto_table:1", clusterNetworkCIDR, localSubnetCIDR)
	otx.AddFlow("table=0, priority=200, in_port=1, ip, nw_src=%s, nw_dst=%s, actions=move:NXM_NX_TUN_ID[0..31]->NXM_NX_REG0[],goto_table:1", clusterNetworkCIDR, localSubnetCIDR)
	otx.AddFlow("table=0, priority=150, in_port=1, actions=drop")
	// tun0
	otx.AddFlow("table=0, priority=200, in_port=2, arp, nw_src=%s, nw_dst=%s, actions=goto_table:5", localSubnetGateway, clusterNetworkCIDR)
	otx.AddFlow("table=0, priority=200, in_port=2, ip, actions=goto_table:5")
	otx.AddFlow("table=0, priority=150, in_port=2, actions=drop")
	// vovsbr
	otx.AddFlow("table=0, priority=200, in_port=3, arp, nw_src=%s, actions=goto_table:5", localSubnetCIDR)
	otx.AddFlow("table=0, priority=200, in_port=3, ip, nw_src=%s, actions=goto_table:5", localSubnetCIDR)
	otx.AddFlow("table=0, priority=150, in_port=3, actions=drop")
	// else, from a container
	otx.AddFlow("table=0, priority=100, arp, actions=goto_table:2")
	otx.AddFlow("table=0, priority=100, ip, actions=goto_table:2")
	otx.AddFlow("table=0, priority=0, actions=drop")

	// Table 1: VXLAN ingress filtering; filled in by AddHostSubnetRules()
	// eg, "table=1, priority=100, tun_src=${remote_node_ip}, actions=goto_table:5"
	otx.AddFlow("table=1, priority=0, actions=drop")

//.........這裏部分代碼省略.........
開發者ID:iconoeugen，項目名稱:origin，代碼行數:101，代碼來源:controller.go


注：本文中的github.com/openshift/openshift-sdn/pkg/ipcmd.NewTransaction函數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。