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ovn-nbctl-legacy.go
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ovn-nbctl-legacy.go
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package ovs
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"os"
"os/exec"
"regexp"
"strconv"
"strings"
"time"
netv1 "k8s.io/api/networking/v1"
"k8s.io/klog/v2"
kubeovnv1 "github.com/kubeovn/kube-ovn/pkg/apis/kubeovn/v1"
"github.com/kubeovn/kube-ovn/pkg/util"
)
type AclDirection string
const (
SgAclIngressDirection AclDirection = "to-lport"
SgAclEgressDirection AclDirection = "from-lport"
)
var nbctlDaemonSocketRegexp = regexp.MustCompile(`^/var/run/ovn/ovn-nbctl\.[0-9]+\.ctl$`)
func (c LegacyClient) ovnNbCommand(cmdArgs ...string) (string, error) {
start := time.Now()
cmdArgs = append([]string{fmt.Sprintf("--timeout=%d", c.OvnTimeout), "--no-wait"}, cmdArgs...)
raw, err := exec.Command(OvnNbCtl, cmdArgs...).CombinedOutput()
elapsed := float64((time.Since(start)) / time.Millisecond)
klog.V(4).Infof("command %s %s in %vms, output %q", OvnNbCtl, strings.Join(cmdArgs, " "), elapsed, raw)
method := ""
for _, arg := range cmdArgs {
if !strings.HasPrefix(arg, "--") {
method = arg
break
}
}
code := "0"
defer func() {
ovsClientRequestLatency.WithLabelValues("ovn-nb", method, code).Observe(elapsed)
}()
if err != nil {
code = "1"
klog.Warningf("ovn-nbctl command error: %s %s in %vms", OvnNbCtl, strings.Join(cmdArgs, " "), elapsed)
return "", fmt.Errorf("%s, %q", raw, err)
} else if elapsed > 500 {
klog.Warningf("ovn-nbctl command took too long: %s %s in %vms", OvnNbCtl, strings.Join(cmdArgs, " "), elapsed)
}
return trimCommandOutput(raw), nil
}
func (c LegacyClient) SetAzName(azName string) error {
if _, err := c.ovnNbCommand("set", "NB_Global", ".", fmt.Sprintf("name=%s", azName)); err != nil {
return fmt.Errorf("failed to set az name, %v", err)
}
return nil
}
func (c LegacyClient) SetUseCtInvMatch() error {
if _, err := c.ovnNbCommand("set", "NB_Global", ".", "options:use_ct_inv_match=false"); err != nil {
return fmt.Errorf("failed to set NB_Global option use_ct_inv_match to false: %v", err)
}
return nil
}
func (c LegacyClient) SetICAutoRoute(enable bool, blackList []string) error {
if enable {
if _, err := c.ovnNbCommand("set", "NB_Global", ".", "options:ic-route-adv=true", "options:ic-route-learn=true", fmt.Sprintf("options:ic-route-blacklist=%s", strings.Join(blackList, ","))); err != nil {
return fmt.Errorf("failed to enable ovn-ic auto route, %v", err)
}
return nil
} else {
if _, err := c.ovnNbCommand("set", "NB_Global", ".", "options:ic-route-adv=false", "options:ic-route-learn=false"); err != nil {
return fmt.Errorf("failed to disable ovn-ic auto route, %v", err)
}
return nil
}
}
// DeleteLogicalSwitchPort delete logical switch port in ovn
func (c LegacyClient) DeleteLogicalSwitchPort(port string) error {
if _, err := c.ovnNbCommand(IfExists, "lsp-del", port); err != nil {
return fmt.Errorf("failed to delete logical switch port %s, %v", port, err)
}
return nil
}
// DeleteLogicalRouterPort delete logical switch port in ovn
func (c LegacyClient) DeleteLogicalRouterPort(port string) error {
if _, err := c.ovnNbCommand(IfExists, "lrp-del", port); err != nil {
return fmt.Errorf("failed to delete logical router port %s, %v", port, err)
}
return nil
}
func (c LegacyClient) CreateICLogicalRouterPort(az, mac, subnet string, chassises []string) error {
if _, err := c.ovnNbCommand(MayExist, "lrp-add", c.ClusterRouter, fmt.Sprintf("%s-ts", az), mac, subnet); err != nil {
return fmt.Errorf("failed to crate ovn-ic lrp, %v", err)
}
if _, err := c.ovnNbCommand(MayExist, "lsp-add", util.InterconnectionSwitch, fmt.Sprintf("ts-%s", az), "--",
"lsp-set-addresses", fmt.Sprintf("ts-%s", az), "router", "--",
"lsp-set-type", fmt.Sprintf("ts-%s", az), "router", "--",
"lsp-set-options", fmt.Sprintf("ts-%s", az), fmt.Sprintf("router-port=%s-ts", az), "--",
"set", "logical_switch_port", fmt.Sprintf("ts-%s", az), fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName)); err != nil {
return fmt.Errorf("failed to create ovn-ic lsp, %v", err)
}
for index, chassis := range chassises {
if _, err := c.ovnNbCommand("lrp-set-gateway-chassis", fmt.Sprintf("%s-ts", az), chassis, fmt.Sprintf("%d", 100-index)); err != nil {
return fmt.Errorf("failed to set gateway chassis, %v", err)
}
}
return nil
}
func (c LegacyClient) DeleteICLogicalRouterPort(az string) error {
if err := c.DeleteLogicalRouterPort(fmt.Sprintf("%s-ts", az)); err != nil {
return fmt.Errorf("failed to delete ovn-ic logical router port: %v", err)
}
if err := c.DeleteLogicalSwitchPort(fmt.Sprintf("ts-%s", az)); err != nil {
return fmt.Errorf("failed to delete ovn-ic logical switch port: %v", err)
}
return nil
}
func (c LegacyClient) SetPortAddress(port, mac, ip string) error {
rets, err := c.ListLogicalEntity("logical_switch_port", fmt.Sprintf("name=%s", port))
if err != nil {
return fmt.Errorf("failed to find port %s: %v", port, err)
}
if len(rets) == 0 {
return nil
}
var addresses []string
addresses = append(addresses, mac)
addresses = append(addresses, strings.Split(ip, ",")...)
if _, err := c.ovnNbCommand("lsp-set-addresses", port, strings.Join(addresses, " ")); err != nil {
klog.Errorf("set port %s addresses failed, %v", port, err)
return err
}
return nil
}
func (c LegacyClient) SetPortExternalIds(port, key, value string) error {
rets, err := c.ListLogicalEntity("logical_switch_port", fmt.Sprintf("name=%s", port))
if err != nil {
return fmt.Errorf("failed to find port %s: %v", port, err)
}
if len(rets) == 0 {
return nil
}
if _, err := c.ovnNbCommand("set", "logical_switch_port", port, fmt.Sprintf("external_ids:%s=\"%s\"", key, value)); err != nil {
klog.Errorf("set port %s external_ids failed: %v", port, err)
return err
}
return nil
}
func (c LegacyClient) SetPortSecurity(portSecurity bool, port, mac, ipStr, vips string) error {
var addresses []string
ovnCommand := []string{"lsp-set-port-security", port}
if portSecurity {
addresses = append(addresses, mac)
addresses = append(addresses, strings.Split(ipStr, ",")...)
if vips != "" {
addresses = append(addresses, strings.Split(vips, ",")...)
}
ovnCommand = append(ovnCommand, strings.Join(addresses, " "))
}
if _, err := c.ovnNbCommand(ovnCommand...); err != nil {
klog.Errorf("set port %s security failed: %v", port, err)
return err
}
return nil
}
// CreatePort create logical switch port in ovn
func (c LegacyClient) CreatePort(ls, port, ip, mac, pod, namespace string, portSecurity bool, securityGroups string, vips string, liveMigration bool, hasUnknown bool) error {
var ovnCommand []string
var addresses []string
addresses = append(addresses, mac)
addresses = append(addresses, strings.Split(ip, ",")...)
ovnCommand = []string{MayExist, "lsp-add", ls, port}
isAddrConflict := false
if liveMigration {
// add external_id info as the filter of 'live Migration vm port'
ovnCommand = append(ovnCommand,
"--", "set", "logical_switch_port", port, fmt.Sprintf("external_ids:ls=%s", ls),
"--", "set", "logical_switch_port", port, fmt.Sprintf("external_ids:ip=%s", strings.ReplaceAll(ip, ",", "/")))
ports, err := c.ListLogicalEntity("logical_switch_port",
fmt.Sprintf("external_ids:ls=%s", ls),
fmt.Sprintf("external_ids:ip=\"%s\"", strings.ReplaceAll(ip, ",", "/")))
if err != nil {
klog.Errorf("list logical entity failed: %v", err)
return err
}
if len(ports) > 0 {
isAddrConflict = true
}
}
if isAddrConflict {
// only set mac, and set flag 'liveMigration'
ovnCommand = append(ovnCommand, "--", "lsp-set-addresses", port, mac, "--",
"set", "logical_switch_port", port, "external_ids:liveMigration=1")
} else {
// set mac and ip
ovnCommand = append(ovnCommand,
"--", "lsp-set-addresses", port, strings.Join(addresses, " "))
if hasUnknown {
ovnCommand = append(ovnCommand, "unknown")
}
}
if portSecurity {
if vips != "" {
addresses = append(addresses, strings.Split(vips, ",")...)
}
ovnCommand = append(ovnCommand,
"--", "lsp-set-port-security", port, strings.Join(addresses, " "))
if securityGroups != "" {
sgList := strings.Split(securityGroups, ",")
ovnCommand = append(ovnCommand,
"--", "set", "logical_switch_port", port, fmt.Sprintf("external_ids:security_groups=%s", strings.ReplaceAll(securityGroups, ",", "/")))
for _, sg := range sgList {
ovnCommand = append(ovnCommand,
"--", "set", "logical_switch_port", port, fmt.Sprintf("external_ids:associated_sg_%s=true", sg))
}
}
}
if pod != "" && namespace != "" {
ovnCommand = append(ovnCommand,
"--", "set", "logical_switch_port", port, fmt.Sprintf("external_ids:pod=%s/%s", namespace, pod), fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
} else {
ovnCommand = append(ovnCommand,
"--", "set", "logical_switch_port", port, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
}
if _, err := c.ovnNbCommand(ovnCommand...); err != nil {
klog.Errorf("create port %s failed: %v", port, err)
return err
}
return nil
}
func (c LegacyClient) SetPortTag(name string, vlanID int) error {
output, err := c.ovnNbCommand("get", "logical_switch_port", name, "tag")
if err != nil {
klog.Errorf("failed to get tag of logical switch port %s: %v, %q", name, err, output)
return err
}
var newTag string
if vlanID > 0 && vlanID < 4096 {
newTag = strconv.Itoa(vlanID)
}
oldTag := strings.Trim(output, "[]")
if oldTag == newTag {
return nil
}
if oldTag != "" {
if output, err = c.ovnNbCommand("remove", "logical_switch_port", name, "tag", oldTag); err != nil {
klog.Errorf("failed to remove tag of logical switch port %s: %v, %q", name, err, output)
return err
}
}
if newTag != "" {
if output, err = c.ovnNbCommand("add", "logical_switch_port", name, "tag", newTag); err != nil {
klog.Errorf("failed to get tag of logical switch port %s: %v, %q", name, err, output)
return err
}
}
return nil
}
func (c LegacyClient) ListPodLogicalSwitchPorts(pod, namespace string) ([]string, error) {
output, err := c.ovnNbCommand("--format=csv", "--data=bare", "--no-heading", "--columns=name", "find", "logical_switch_port", fmt.Sprintf("external_ids:pod=%s/%s", namespace, pod))
if err != nil {
klog.Errorf("failed to list logical switch port, %v", err)
return nil, err
}
lines := strings.Split(output, "\n")
result := make([]string, 0, len(lines))
for _, l := range lines {
if len(strings.TrimSpace(l)) == 0 {
continue
}
result = append(result, strings.TrimSpace(l))
}
return result, nil
}
func (c LegacyClient) SetLogicalSwitchConfig(ls, lr, protocol, subnet, gateway string, excludeIps []string, needRouter bool) error {
var err error
cidrBlocks := strings.Split(subnet, ",")
mask := strings.Split(cidrBlocks[0], "/")[1]
var cmd []string
var networks string
switch protocol {
case kubeovnv1.ProtocolIPv4:
networks = fmt.Sprintf("%s/%s", gateway, mask)
cmd = []string{MayExist, "ls-add", ls}
case kubeovnv1.ProtocolIPv6:
gateway := strings.ReplaceAll(gateway, ":", "\\:")
networks = fmt.Sprintf("%s/%s", gateway, mask)
cmd = []string{MayExist, "ls-add", ls}
case kubeovnv1.ProtocolDual:
gws := strings.Split(gateway, ",")
v6Mask := strings.Split(cidrBlocks[1], "/")[1]
gwStr := gws[0] + "/" + mask + "," + gws[1] + "/" + v6Mask
networks = strings.ReplaceAll(strings.Join(strings.Split(gwStr, ","), " "), ":", "\\:")
cmd = []string{MayExist, "ls-add", ls}
}
if needRouter {
cmd = append(cmd, []string{"--",
"set", "logical_router_port", fmt.Sprintf("%s-%s", lr, ls), fmt.Sprintf("networks=%s", networks)}...)
}
cmd = append(cmd, []string{"--",
"set", "logical_switch", ls, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName)}...)
_, err = c.ovnNbCommand(cmd...)
if err != nil {
klog.Errorf("set switch config for %s failed: %v", ls, err)
return err
}
return nil
}
// CreateLogicalSwitch create logical switch in ovn, connect it to router and apply tcp/udp lb rules
func (c LegacyClient) CreateLogicalSwitch(ls, lr, subnet, gateway string, needRouter bool) error {
_, err := c.ovnNbCommand(MayExist, "ls-add", ls, "--",
"set", "logical_switch", ls, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
if err != nil {
klog.Errorf("create switch %s failed: %v", ls, err)
return err
}
if needRouter {
if err := c.createRouterPort(ls, lr); err != nil {
klog.Errorf("failed to connect switch %s to router, %v", ls, err)
return err
}
}
return nil
}
func (c LegacyClient) AddLbToLogicalSwitch(tcpLb, tcpSessLb, udpLb, udpSessLb, ls string) error {
if err := c.addLoadBalancerToLogicalSwitch(tcpLb, ls); err != nil {
klog.Errorf("failed to add tcp lb to %s, %v", ls, err)
return err
}
if err := c.addLoadBalancerToLogicalSwitch(udpLb, ls); err != nil {
klog.Errorf("failed to add udp lb to %s, %v", ls, err)
return err
}
if err := c.addLoadBalancerToLogicalSwitch(tcpSessLb, ls); err != nil {
klog.Errorf("failed to add tcp session lb to %s, %v", ls, err)
return err
}
if err := c.addLoadBalancerToLogicalSwitch(udpSessLb, ls); err != nil {
klog.Errorf("failed to add udp session lb to %s, %v", ls, err)
return err
}
return nil
}
func (c LegacyClient) RemoveLbFromLogicalSwitch(tcpLb, tcpSessLb, udpLb, udpSessLb, ls string) error {
if err := c.removeLoadBalancerFromLogicalSwitch(tcpLb, ls); err != nil {
klog.Errorf("failed to remove tcp lb from %s, %v", ls, err)
return err
}
if err := c.removeLoadBalancerFromLogicalSwitch(udpLb, ls); err != nil {
klog.Errorf("failed to remove udp lb from %s, %v", ls, err)
return err
}
if err := c.removeLoadBalancerFromLogicalSwitch(tcpSessLb, ls); err != nil {
klog.Errorf("failed to remove tcp session lb from %s, %v", ls, err)
return err
}
if err := c.removeLoadBalancerFromLogicalSwitch(udpSessLb, ls); err != nil {
klog.Errorf("failed to remove udp session lb from %s, %v", ls, err)
return err
}
return nil
}
// DeleteLoadBalancer delete loadbalancer in ovn
func (c LegacyClient) DeleteLoadBalancer(lbs ...string) error {
for _, lb := range lbs {
lbid, err := c.FindLoadbalancer(lb)
if err != nil {
klog.Warningf("failed to find load_balancer '%s', %v", lb, err)
continue
}
if _, err := c.ovnNbCommand(IfExists, "destroy", "load_balancer", lbid); err != nil {
return err
}
}
return nil
}
// ListLoadBalancer list loadbalancer names
func (c LegacyClient) ListLoadBalancer() ([]string, error) {
output, err := c.ovnNbCommand("--format=csv", "--data=bare", "--no-heading", "--columns=name", "find", "load_balancer")
if err != nil {
klog.Errorf("failed to list load balancer: %v", err)
return nil, err
}
lines := strings.Split(output, "\n")
result := make([]string, 0, len(lines))
for _, l := range lines {
l = strings.TrimSpace(l)
if len(l) > 0 {
result = append(result, l)
}
}
return result, nil
}
func (c LegacyClient) CreateGatewaySwitch(name, externalgatewaynet string, externalgatewayvlanid int, ip, mac string, chassises []string) error {
lsTolr := fmt.Sprintf("%s-%s", name, c.ClusterRouter)
lrTols := fmt.Sprintf("%s-%s", c.ClusterRouter, name)
localnetPort := fmt.Sprintf("ln-%s", name)
portOptions := fmt.Sprintf("network_name=%s", externalgatewaynet)
_, err := c.ovnNbCommand(
MayExist, "ls-add", name, "--",
"set", "logical_switch", name, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName), "--",
MayExist, "lsp-add", name, localnetPort, "--",
"lsp-set-type", localnetPort, "localnet", "--",
"lsp-set-addresses", localnetPort, "unknown", "--",
"lsp-set-options", localnetPort, portOptions, "--",
MayExist, "lrp-add", c.ClusterRouter, lrTols, mac, ip, "--",
MayExist, "lsp-add", name, lsTolr, "--",
"lsp-set-type", lsTolr, "router", "--",
"lsp-set-addresses", lsTolr, "router", "--",
"lsp-set-options", lsTolr, fmt.Sprintf("router-port=%s", lrTols),
)
if err != nil {
return fmt.Errorf("failed to create external gateway switch, %v", err)
}
if externalgatewayvlanid > 0 {
portVlanId := fmt.Sprintf("tag=%d", externalgatewayvlanid)
_, err := c.ovnNbCommand("set", "logical_switch_port", localnetPort, portVlanId)
if err != nil {
return fmt.Errorf("failed to set vlanId for ,%s, %v", localnetPort, err)
}
}
for index, chassis := range chassises {
if _, err := c.ovnNbCommand("lrp-set-gateway-chassis", lrTols, chassis, fmt.Sprintf("%d", 100-index)); err != nil {
return fmt.Errorf("failed to set gateway chassis, %v", err)
}
}
return nil
}
func (c LegacyClient) DeleteGatewaySwitch(name string) error {
lrTols := fmt.Sprintf("%s-%s", c.ClusterRouter, name)
_, err := c.ovnNbCommand(
IfExists, "ls-del", name, "--",
IfExists, "lrp-del", lrTols,
)
return err
}
// ListLogicalSwitch list logical switch names
func (c LegacyClient) ListLogicalSwitch(needVendorFilter bool, args ...string) ([]string, error) {
if needVendorFilter {
args = append(args, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
}
return c.ListLogicalEntity("logical_switch", args...)
}
func (c LegacyClient) ListLogicalEntity(entity string, args ...string) ([]string, error) {
cmd := []string{"--format=csv", "--data=bare", "--no-heading", "--columns=name", "find", entity}
cmd = append(cmd, args...)
output, err := c.ovnNbCommand(cmd...)
if err != nil {
klog.Errorf("failed to list logical %s: %v", entity, err)
return nil, err
}
lines := strings.Split(output, "\n")
result := make([]string, 0, len(lines))
for _, l := range lines {
l = strings.TrimSpace(l)
if len(l) > 0 {
result = append(result, l)
}
}
return result, nil
}
func (c LegacyClient) CustomFindEntity(entity string, attris []string, args ...string) (result []map[string][]string, err error) {
result = []map[string][]string{}
var attrStr strings.Builder
for _, e := range attris {
attrStr.WriteString(e)
attrStr.WriteString(",")
}
// Assuming that the order of the elements in attris does not change
cmd := []string{"--format=csv", "--data=bare", "--no-heading", fmt.Sprintf("--columns=%s", attrStr.String()), "find", entity}
cmd = append(cmd, args...)
output, err := c.ovnNbCommand(cmd...)
if err != nil {
klog.Errorf("failed to customized list logical %s: %v", entity, err)
return nil, err
}
if output == "" {
return result, nil
}
lines := strings.Split(output, "\n")
for _, l := range lines {
aResult := make(map[string][]string)
parts := strings.Split(strings.TrimSpace(l), ",")
for i, e := range attris {
if aResult[e] = strings.Fields(parts[i]); aResult[e] == nil {
aResult[e] = []string{}
}
}
result = append(result, aResult)
}
return result, nil
}
func (c LegacyClient) GetEntityInfo(entity string, index string, attris []string) (result map[string]string, err error) {
var attrstr strings.Builder
for _, e := range attris {
attrstr.WriteString(e)
attrstr.WriteString(" ")
}
cmd := []string{"get", entity, index, strings.TrimSpace(attrstr.String())}
output, err := c.ovnNbCommand(cmd...)
if err != nil {
klog.Errorf("failed to get attributes from %s %s: %v", entity, index, err)
return nil, err
}
result = make(map[string]string)
if output == "" {
return result, nil
}
lines := strings.Split(output, "\n")
if len(lines) != len(attris) {
klog.Errorf("failed to get attributes from %s %s %s", entity, index, attris)
return nil, errors.New("length abnormal")
}
for i, l := range lines {
result[attris[i]] = l
}
return result, nil
}
func (c LegacyClient) LogicalSwitchExists(logicalSwitch string, needVendorFilter bool, args ...string) (bool, error) {
lss, err := c.ListLogicalSwitch(needVendorFilter, args...)
if err != nil {
return false, err
}
for _, ls := range lss {
if ls == logicalSwitch {
return true, nil
}
}
return false, nil
}
func (c LegacyClient) ListLogicalSwitchPort(needVendorFilter bool) ([]string, error) {
cmdArg := []string{"--format=csv", "--data=bare", "--no-heading", "--columns=name", "find", "logical_switch_port", "type=\"\""}
if needVendorFilter {
cmdArg = append(cmdArg, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
}
output, err := c.ovnNbCommand(cmdArg...)
if err != nil {
klog.Errorf("failed to list logical switch port, %v", err)
return nil, err
}
lines := strings.Split(output, "\n")
result := make([]string, 0, len(lines))
for _, l := range lines {
if len(strings.TrimSpace(l)) == 0 {
continue
}
result = append(result, strings.TrimSpace(l))
}
return result, nil
}
func (c LegacyClient) LogicalSwitchPortExists(port string) (bool, error) {
output, err := c.ovnNbCommand("--format=csv", "--data=bare", "--no-heading", "--columns=name", "find", "logical_switch_port", fmt.Sprintf("name=%s", port))
if err != nil {
klog.Errorf("failed to find port %s: %v, %q", port, err, output)
return false, err
}
if output != "" {
return true, nil
}
return false, nil
}
func (c LegacyClient) ListRemoteLogicalSwitchPortAddress() ([]string, error) {
output, err := c.ovnNbCommand("--format=csv", "--data=bare", "--no-heading", "--columns=addresses", "find", "logical_switch_port", "type=remote")
if err != nil {
return nil, fmt.Errorf("failed to list ic remote addresses, %v", err)
}
lines := strings.Split(output, "\n")
result := make([]string, 0, len(lines))
for _, l := range lines {
if len(strings.TrimSpace(l)) == 0 {
continue
}
fields := strings.Fields(l)
if len(fields) != 2 {
continue
}
cidr := fields[1]
result = append(result, strings.TrimSpace(cidr))
}
return result, nil
}
// ListLogicalRouter list logical router names
func (c LegacyClient) ListLogicalRouter(needVendorFilter bool, args ...string) ([]string, error) {
if needVendorFilter {
args = append(args, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
}
return c.ListLogicalEntity("logical_router", args...)
}
// DeleteLogicalSwitch delete logical switch
func (c LegacyClient) DeleteLogicalSwitch(ls string) error {
if _, err := c.ovnNbCommand(IfExists, "ls-del", ls); err != nil {
klog.Errorf("failed to del ls %s, %v", ls, err)
return err
}
return nil
}
// CreateLogicalRouter delete logical router in ovn
func (c LegacyClient) CreateLogicalRouter(lr string) error {
_, err := c.ovnNbCommand(MayExist, "lr-add", lr, "--",
"set", "Logical_Router", lr, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
return err
}
// DeleteLogicalRouter create logical router in ovn
func (c LegacyClient) DeleteLogicalRouter(lr string) error {
_, err := c.ovnNbCommand(IfExists, "lr-del", lr)
return err
}
func (c LegacyClient) RemoveRouterPort(ls, lr string) error {
lsTolr := fmt.Sprintf("%s-%s", ls, lr)
lrTols := fmt.Sprintf("%s-%s", lr, ls)
_, err := c.ovnNbCommand(IfExists, "lsp-del", lsTolr, "--",
IfExists, "lrp-del", lrTols)
if err != nil {
klog.Errorf("failed to remove router port, %v", err)
return err
}
return nil
}
func (c LegacyClient) createRouterPort(ls, lr string) error {
klog.Infof("add %s to %s", ls, lr)
lsTolr := fmt.Sprintf("%s-%s", ls, lr)
lrTols := fmt.Sprintf("%s-%s", lr, ls)
_, err := c.ovnNbCommand(MayExist, "lsp-add", ls, lsTolr, "--",
"set", "logical_switch_port", lsTolr, "type=router", "--",
"lsp-set-addresses", lsTolr, "router", "--",
"set", "logical_switch_port", lsTolr, fmt.Sprintf("options:router-port=%s", lrTols), "--",
"set", "logical_switch_port", lsTolr, fmt.Sprintf("external_ids:vendor=%s", util.CniTypeName))
if err != nil {
klog.Errorf("failed to create switch router port %s: %v", lsTolr, err)
return err
}
return nil
}
func (c LegacyClient) CreatePeerRouterPort(localRouter, remoteRouter, localRouterPortIP string) error {
localRouterPort := fmt.Sprintf("%s-%s", localRouter, remoteRouter)
remoteRouterPort := fmt.Sprintf("%s-%s", remoteRouter, localRouter)
// check router port exist, because '--may-exist' may not work for router port
results, err := c.ListLogicalEntity("logical_router_port", fmt.Sprintf("name=%s", localRouterPort))
if err != nil {
klog.Errorf("failed to list router port %s, %v", localRouterPort, err)
return err
}
if len(results) == 0 {
ipStr := strings.Split(localRouterPortIP, ",")
if len(ipStr) == 2 {
_, err = c.ovnNbCommand(MayExist, "lrp-add", localRouter, localRouterPort, util.GenerateMac(), ipStr[0], ipStr[1], "--",
"set", "logical_router_port", localRouterPort, fmt.Sprintf("peer=%s", remoteRouterPort))
} else {
_, err = c.ovnNbCommand(MayExist, "lrp-add", localRouter, localRouterPort, util.GenerateMac(), ipStr[0], "--",
"set", "logical_router_port", localRouterPort, fmt.Sprintf("peer=%s", remoteRouterPort))
}
if err != nil {
klog.Errorf("failed to create router port %s: %v", localRouterPort, err)
return err
}
}
_, err = c.ovnNbCommand("set", "logical_router_port", localRouterPort,
fmt.Sprintf("networks=\"%s\"", strings.ReplaceAll(localRouterPortIP, ",", " ")))
if err != nil {
klog.Errorf("failed to set router port %s: %v", localRouterPort, err)
return err
}
return nil
}
type StaticRoute struct {
Policy string
CIDR string
NextHop string
}
func (c LegacyClient) ListStaticRoute() ([]StaticRoute, error) {
output, err := c.ovnNbCommand("--format=csv", "--no-heading", "--data=bare", "--columns=ip_prefix,nexthop,policy", "find", "Logical_Router_Static_Route", "external_ids{=}{}")
if err != nil {
return nil, err
}
entries := strings.Split(output, "\n")
staticRoutes := make([]StaticRoute, 0, len(entries))
for _, entry := range strings.Split(output, "\n") {
if len(strings.Split(entry, ",")) == 3 {
t := strings.Split(entry, ",")
staticRoutes = append(staticRoutes,
StaticRoute{CIDR: strings.TrimSpace(t[0]), NextHop: strings.TrimSpace(t[1]), Policy: strings.TrimSpace(t[2])})
}
}
return staticRoutes, nil
}
// AddStaticRoute add a static route rule in ovn
func (c LegacyClient) AddStaticRoute(policy, cidr, nextHop, router string, routeType string, isMigrate bool) error {
if policy == "" {
policy = PolicyDstIP
}
var existingRoutes []string
if routeType != util.EcmpRouteType {
result, err := c.CustomFindEntity("Logical_Router", []string{"static_routes"}, fmt.Sprintf("name=%s", router))
if err != nil {
return err
}
if len(result) > 1 {
return fmt.Errorf("unexpected error: found %d logical router with name %s", len(result), router)
}
if len(result) != 0 {
existingRoutes = result[0]["static_routes"]
}
}
for _, cidrBlock := range strings.Split(cidr, ",") {
for _, gw := range strings.Split(nextHop, ",") {
if util.CheckProtocol(cidrBlock) != util.CheckProtocol(gw) {
continue
}
if routeType == util.EcmpRouteType {
if _, err := c.ovnNbCommand(MayExist, fmt.Sprintf("%s=%s", Policy, policy), "--ecmp", "lr-route-add", router, cidrBlock, gw); err != nil {
return err
}
} else {
if !strings.ContainsRune(cidrBlock, '/') {
filter := []string{fmt.Sprintf("policy=%s", policy), fmt.Sprintf(`ip_prefix="%s"`, cidrBlock), fmt.Sprintf(`nexthop!="%s"`, gw)}
result, err := c.CustomFindEntity("Logical_Router_Static_Route", []string{"_uuid"}, filter...)
if err != nil {
return err
}
for _, route := range result {
if util.ContainsString(existingRoutes, route["_uuid"][0]) && !isMigrate {
return fmt.Errorf(`static route "policy=%s ip_prefix=%s" with different nexthop already exists on logical router %s`, policy, cidrBlock, router)
}
}
}
if _, err := c.ovnNbCommand(MayExist, fmt.Sprintf("%s=%s", Policy, policy), "lr-route-add", router, cidrBlock, gw); err != nil {
return err
}
}
}
}
return nil
}
// AddPolicyRoute add a policy route rule in ovn
func (c LegacyClient) AddPolicyRoute(router string, priority int32, match, action, nextHop string, externalIDs map[string]string) error {
consistent, err := c.CheckPolicyRouteNexthopConsistent(router, match, nextHop, priority)
if err != nil {
return err
}
if !consistent {
if err := c.DeletePolicyRoute(router, priority, match); err != nil {
klog.Errorf("failed to delete policy route: %v", err)
return err
}
}
// lr-policy-add ROUTER PRIORITY MATCH ACTION [NEXTHOP]
args := []string{MayExist, "lr-policy-add", router, strconv.Itoa(int(priority)), match, action}
if nextHop != "" {
args = append(args, nextHop)
}
if _, err := c.ovnNbCommand(args...); err != nil {
return err
}
if len(externalIDs) == 0 {
return nil
}
result, err := c.CustomFindEntity("logical_router_policy", []string{"_uuid"}, fmt.Sprintf("priority=%d", priority), fmt.Sprintf(`match="%s"`, match))
if err != nil {
klog.Errorf("failed to get logical router policy UUID: %v", err)
return err
}
for _, policy := range result {
args := make([]string, 0, len(externalIDs)+3)
args = append(args, "set", "logical_router_policy", policy["_uuid"][0])
for k, v := range externalIDs {
args = append(args, fmt.Sprintf("external-ids:%s=%v", k, v))
}
if _, err = c.ovnNbCommand(args...); err != nil {
return fmt.Errorf("failed to set external ids of logical router policy %s: %v", policy["_uuid"][0], err)
}
}
return nil
}
// DeletePolicyRoute delete a policy route rule in ovn
func (c LegacyClient) DeletePolicyRoute(router string, priority int32, match string) error {
exist, err := c.IsPolicyRouteExist(router, priority, match)
if err != nil {
return err
}
if !exist {
return nil
}
var args = []string{"lr-policy-del", router}
// lr-policy-del ROUTER [PRIORITY [MATCH]]
if priority > 0 {
args = append(args, strconv.Itoa(int(priority)))
if match != "" {
args = append(args, match)
}
}
_, err = c.ovnNbCommand(args...)
return err
}
func (c LegacyClient) IsPolicyRouteExist(router string, priority int32, match string) (bool, error) {
existPolicyRoute, err := c.GetPolicyRouteList(router)
if err != nil {
return false, err
}
for _, rule := range existPolicyRoute {
if rule.Priority != priority {
continue
}
if match == "" || rule.Match == match {
return true, nil
}
}
return false, nil
}
func (c LegacyClient) DeletePolicyRouteByNexthop(router string, priority int32, nexthop string) error {
args := []string{
"--no-heading", "--data=bare", "--columns=match", "find", "Logical_Router_Policy",
fmt.Sprintf("priority=%d", priority),
fmt.Sprintf(`nexthops{=}%s`, strings.ReplaceAll(nexthop, ":", `\:`)),
}
output, err := c.ovnNbCommand(args...)
if err != nil {
klog.Errorf("failed to list router policy by nexthop %s: %v", nexthop, err)
return err
}
if output == "" {
return nil
}
return c.DeletePolicyRoute(router, priority, output)
}
type PolicyRoute struct {
Priority int32
Match string
Action string
NextHopIP string
}
func (c LegacyClient) GetPolicyRouteList(router string) (routeList []*PolicyRoute, err error) {
output, err := c.ovnNbCommand("lr-policy-list", router)
if err != nil {
klog.Errorf("failed to list logical router policy route: %v", err)
return nil, err
}
return parseLrPolicyRouteListOutput(output)
}
var policyRouteRegexp = regexp.MustCompile(`^\s*(\d+)\s+(.*)\b\s+(allow|drop|reroute)\s*(.*)?$`)
func parseLrPolicyRouteListOutput(output string) (routeList []*PolicyRoute, err error) {
lines := strings.Split(output, "\n")
routeList = make([]*PolicyRoute, 0, len(lines))
for _, l := range lines {
if len(l) == 0 {
continue
}
sm := policyRouteRegexp.FindStringSubmatch(l)
if len(sm) != 5 {
continue
}
priority, err := strconv.ParseInt(sm[1], 10, 32)
if err != nil {
return nil, fmt.Errorf("found unexpeted policy priority %s, please check", sm[1])
}
routeList = append(routeList, &PolicyRoute{
Priority: int32(priority),
Match: sm[2],
Action: sm[3],
NextHopIP: sm[4],
})
}
return routeList, nil
}
func (c LegacyClient) GetStaticRouteList(router string) (routeList []*StaticRoute, err error) {
output, err := c.ovnNbCommand("lr-route-list", router)
if err != nil {
klog.Errorf("failed to list logical router route: %v", err)
return nil, err
}
return parseLrRouteListOutput(output)
}
var routeRegexp = regexp.MustCompile(`^\s*((\d+(\.\d+){3})|(([a-f0-9:]*:+)+[a-f0-9]?))(/\d+)?\s+((\d+(\.\d+){3})|(([a-f0-9:]*:+)+[a-f0-9]?))\s+(dst-ip|src-ip)(\s+.+)?$`)
func parseLrRouteListOutput(output string) (routeList []*StaticRoute, err error) {
lines := strings.Split(output, "\n")
routeList = make([]*StaticRoute, 0, len(lines))
for _, l := range lines {
if strings.Contains(l, "learned") {
continue
}
if len(l) == 0 {
continue
}
if !routeRegexp.MatchString(l) {
continue
}
fields := strings.Fields(l)
routeList = append(routeList, &StaticRoute{
Policy: fields[2],
CIDR: fields[0],
NextHop: fields[1],
})
}
return routeList, nil
}
func (c LegacyClient) UpdateNatRule(policy, logicalIP, externalIP, router, logicalMac, port string) error {
if policy == "snat" {
if externalIP == "" {
_, err := c.ovnNbCommand(IfExists, "lr-nat-del", router, "snat", logicalIP)