9 logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
14 var log = logf.Log.WithName("ovn")
16 func parseOvnNetworkObject(ovnnetwork string) ([]map[string]interface{}, error) {
17 var ovnNet []map[string]interface{}
20 return nil, fmt.Errorf("parseOvnNetworkObject:error")
23 if err := json.Unmarshal([]byte(ovnnetwork), &ovnNet); err != nil {
24 return nil, fmt.Errorf("parseOvnNetworkObject: failed to load ovn network err: %v | ovn network: %v", err, ovnnetwork)
30 func setupDistributedRouter(name string) error {
32 // Create a single common distributed router for the cluster.
33 stdout, stderr, err := RunOVNNbctl("--", "--may-exist", "lr-add", name, "--", "set", "logical_router", name, "external_ids:ovn4nfv-cluster-router=yes")
35 log.Error(err, "Failed to create a single common distributed router for the cluster", "stdout", stdout, "stderr", stderr)
38 // Create a logical switch called "ovn4nfv-join" that will be used to connect gateway routers to the distributed router.
39 // The "ovn4nfv-join" will be allocated IP addresses in the range 100.64.1.0/24.
40 stdout, stderr, err = RunOVNNbctl("--may-exist", "ls-add", "ovn4nfv-join")
42 log.Error(err, "Failed to create logical switch called \"ovn4nfv-join\"", "stdout", stdout, "stderr", stderr)
45 // Connect the distributed router to "ovn4nfv-join".
46 routerMac, stderr, err := RunOVNNbctl("--if-exist", "get", "logical_router_port", "rtoj-"+name, "mac")
48 log.Error(err, "Failed to get logical router port rtoj-", "name", name, "stdout", stdout, "stderr", stderr)
52 routerMac = generateMac()
53 stdout, stderr, err = RunOVNNbctl("--", "--may-exist", "lrp-add", name, "rtoj-"+name, routerMac, "100.64.1.1/24", "--", "set", "logical_router_port", "rtoj-"+name, "external_ids:connect_to_ovn4nfvjoin=yes")
55 log.Error(err, "Failed to add logical router port rtoj", "name", name, "stdout", stdout, "stderr", stderr)
59 // Connect the switch "ovn4nfv-join" to the router.
60 stdout, stderr, err = RunOVNNbctl("--", "--may-exist", "lsp-add", "ovn4nfv-join", "jtor-"+name, "--", "set", "logical_switch_port", "jtor-"+name, "type=router", "options:router-port=rtoj-"+name, "addresses="+"\""+routerMac+"\"")
62 log.Error(err, "Failed to add logical switch port to logical router", "stdout", stdout, "stderr", stderr)
68 // Find if switch exists
69 func findLogicalSwitch(name string) bool {
70 // get logical switch from OVN
71 output, stderr, err := RunOVNNbctl("--data=bare", "--no-heading",
72 "--columns=name", "find", "logical_switch", "name="+name)
74 log.Error(err, "Error in obtaining list of logical switch", "stderr", stderr)
78 if strings.Compare(name, output) == 0 {
84 // generateMac generates mac address.
85 func generateMac() string {
87 newRand := rand.New(rand.NewSource(time.Now().UnixNano()))
88 mac := fmt.Sprintf("%s:%02x:%02x:%02x", prefix, newRand.Intn(255), newRand.Intn(255), newRand.Intn(255))
92 // NextIP returns IP incremented by 1
93 func NextIP(ip net.IP) net.IP {
95 return intToIP(i.Add(i, big.NewInt(1)))
98 func ipToInt(ip net.IP) *big.Int {
99 if v := ip.To4(); v != nil {
100 return big.NewInt(0).SetBytes(v)
102 return big.NewInt(0).SetBytes(ip.To16())
105 func intToIP(i *big.Int) net.IP {
106 return net.IP(i.Bytes())