Esempio n. 1
0
// useK8sNodeCIDR sets the ipv4-range value from the cluster-node-cidr defined in the,
// kube-apiserver.
func (d *Daemon) useK8sNodeCIDR(nodeName string) error {
	if !d.conf.IPv4Enabled {
		return nil
	}
	k8sNode, err := d.k8sClient.Nodes().Get(nodeName)
	if err != nil {
		return err
	}
	if k8sNode.Spec.PodCIDR == "" {
		return fmt.Errorf("Empty PodCIDR defined in kubernetes spec for node %s", nodeName)
	}
	ip, _, err := net.ParseCIDR(k8sNode.Spec.PodCIDR)
	if err != nil {
		return err
	}
	ciliumIPv4, err := addressing.NewCiliumIPv4(ip.String())
	if err != nil {
		return err
	}
	ipv6NodeAddress := d.conf.NodeAddress.IPv6Address.NodeIP().String()
	nodeAddr, err := addressing.NewNodeAddress(ipv6NodeAddress, ciliumIPv4.NodeIP().String(), "")
	if err != nil {
		return err
	}
	log.Infof("Retrieved %s for node %s. Using it for ipv4-range", k8sNode.Spec.PodCIDR, nodeName)
	d.conf.NodeAddress = nodeAddr
	return nil
}
func (s *CiliumClientSuite) SetUpSuite(c *C) {
	socketDir := os.Getenv("SOCKET_DIR")
	socketPath := filepath.Join(socketDir, "cilium.sock")
	tempLibDir, err := ioutil.TempDir("", "cilium-test")
	c.Assert(err, IsNil)
	tempRunDir, err := ioutil.TempDir("", "cilium-test-run")
	c.Assert(err, IsNil)
	err = os.Mkdir(filepath.Join(tempRunDir, "globals"), 0777)
	c.Assert(err, IsNil)

	nodeAddress, err := addressing.NewNodeAddress("beef:beef:beef:beef:aaaa:aaaa:1111:0", "10.1.0.1", "")
	c.Assert(err, IsNil)

	daemonConf := cnd.NewConfig()
	daemonConf.LibDir = tempLibDir
	daemonConf.RunDir = tempRunDir
	daemonConf.DryMode = true
	daemonConf.LXCMap = nil
	daemonConf.NodeAddress = nodeAddress
	daemonConf.DockerEndpoint = "tcp://127.0.0.1"
	daemonConf.K8sEndpoint = "tcp://127.0.0.1"
	daemonConf.ValidLabelPrefixes = nil
	daemonConf.OptsMU.Lock()
	daemonConf.Opts.Set(endpoint.OptionDropNotify, true)
	daemonConf.OptsMU.Unlock()
	daemonConf.Device = "undefined"

	err = daemonConf.SetKVBackend()
	c.Assert(err, IsNil)

	d1 := []byte("#!/usr/bin/env bash\necho \"OK\"\n")
	err = ioutil.WriteFile(filepath.Join(daemonConf.LibDir, "join_ep.sh"), d1, 0755)
	c.Assert(err, IsNil)
	err = ioutil.WriteFile(filepath.Join(daemonConf.LibDir, "init.sh"), d1, 0755)
	c.Assert(err, IsNil)

	d, err := cnd.NewDaemon(daemonConf)
	if err != nil {
		c.Fatalf("Failed while creating new cilium-net test server: %+v", err)
	}
	server, err := cns.NewServer(socketPath, d)
	if err != nil {
		c.Fatalf("Failed while creating new cilium-net test server: %+v", err)
	}

	cli, err := cnc.NewClient("unix://"+socketPath, nil)
	if err != nil {
		c.Fatalf("Failed while creating new client: %+v", err)
	}
	s.cli = cli
	s.server = server

	go func() {
		if err := s.server.Start(); err != nil {
			c.Fatalf("Error while starting cilium-net test server: %s", err)
			s.server.Stop()
		}
	}()
}
Esempio n. 3
0
func (ds *DaemonSuite) SetUpTest(c *C) {
	tempLibDir, err := ioutil.TempDir("", "cilium-test")
	c.Assert(err, IsNil)
	tempRunDir, err := ioutil.TempDir("", "cilium-test-run")
	c.Assert(err, IsNil)
	err = os.Mkdir(filepath.Join(tempRunDir, "globals"), 0777)
	c.Assert(err, IsNil)

	nodeAddress, err := addressing.NewNodeAddress("beef:beef:beef:beef:aaaa:aaaa:1111:0", "10.1.0.1", "")
	c.Assert(err, IsNil)

	daemonConf := &Config{
		DryMode: true,
		Opts:    option.NewBoolOptions(&DaemonOptionLibrary),
	}
	daemonConf.LibDir = tempLibDir
	daemonConf.RunDir = tempRunDir
	daemonConf.LXCMap = nil
	daemonConf.NodeAddress = nodeAddress
	daemonConf.DockerEndpoint = "tcp://127.0.0.1"
	daemonConf.K8sEndpoint = "tcp://127.0.0.1"
	daemonConf.ValidLabelPrefixes = nil
	daemonConf.OptsMU.Lock()
	daemonConf.Opts.Set(endpoint.OptionDropNotify, true)
	daemonConf.OptsMU.Unlock()
	daemonConf.Device = "undefined"

	err = daemonConf.SetKVBackend()
	c.Assert(err, IsNil)

	d1 := []byte("#!/usr/bin/env bash\necho \"OK\"\n")
	err = ioutil.WriteFile(filepath.Join(daemonConf.LibDir, "join_ep.sh"), d1, 0755)
	c.Assert(err, IsNil)
	err = ioutil.WriteFile(filepath.Join(daemonConf.LibDir, "init.sh"), d1, 0755)
	c.Assert(err, IsNil)

	d, err := NewDaemon(daemonConf)
	c.Assert(err, Equals, nil)
	ds.d = d
	d.kvClient.DeleteTree(common.OperationalPath)
}
Esempio n. 4
0
func initEnv(ctx *cli.Context) error {
	config.OptsMU.Lock()
	if ctx.GlobalBool("debug") {
		common.SetupLOG(log, "DEBUG")
		config.Opts.Set(endpoint.OptionDebug, true)
	} else {
		common.SetupLOG(log, "INFO")
	}

	config.Opts.Set(endpoint.OptionDropNotify, true)
	config.Opts.Set(endpoint.OptionNAT46, true)
	config.Opts.Set(daemon.OptionPolicyTracing, enableTracing)
	config.Opts.Set(endpoint.OptionConntrack, !disableConntrack)
	config.Opts.Set(endpoint.OptionConntrackAccounting, !disableConntrack)
	config.Opts.Set(endpoint.OptionPolicy, !disablePolicy)
	config.OptsMU.Unlock()

	config.ValidLabelPrefixesMU.Lock()
	if labelPrefixFile != "" {
		var err error
		config.ValidLabelPrefixes, err = labels.ReadLabelPrefixCfgFrom(labelPrefixFile)
		if err != nil {
			log.Fatalf("Unable to read label prefix file: %s\n", err)
		}
	} else {
		config.ValidLabelPrefixes = labels.DefaultLabelPrefixCfg()
	}
	config.ValidLabelPrefixesMU.Unlock()

	_, r, err := net.ParseCIDR(nat46prefix)
	if err != nil {
		log.Fatalf("Invalid NAT46 prefix %s: %s", nat46prefix, err)
	}

	config.NAT46Prefix = r

	nodeAddress, err := addressing.NewNodeAddress(v6Address, v4Prefix, config.Device)
	if err != nil {
		log.Fatalf("Unable to parse node address: %s", err)
	}

	config.NodeAddress = nodeAddress

	// Mount BPF Map directory if not already done
	args := []string{"-q", common.BPFMapRoot}
	_, err = exec.Command("mountpoint", args...).CombinedOutput()
	if err != nil {
		args = []string{"bpffs", common.BPFMapRoot, "-t", "bpf"}
		out, err := exec.Command("mount", args...).CombinedOutput()
		if err != nil {
			log.Fatalf("Command execution failed: %s\n%s", err, out)
		}
	}

	if config.IsK8sEnabled() && !strings.HasPrefix(config.K8sEndpoint, "http") {
		config.K8sEndpoint = "http://" + config.K8sEndpoint
	}

	if uiServerAddr != "" {
		if _, _, err := common.ParseHost(uiServerAddr); err != nil {
			log.Fatalf("Invalid UI server address and port address '%s': %s", uiServerAddr, err)
		}
		config.UIServerAddr = uiServerAddr
	}

	return nil
}