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ovn-nb-port_group.go
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ovn-nb-port_group.go
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package ovs
import (
"context"
"fmt"
"github.com/ovn-org/libovsdb/client"
"github.com/kubeovn/kube-ovn/pkg/ovsdb/ovnnb"
)
func (c OvnClient) GetPortGroup(name string, ignoreNotFound bool) (*ovnnb.PortGroup, error) {
ctx, cancel := context.WithTimeout(context.Background(), c.Timeout)
defer cancel()
pg := &ovnnb.PortGroup{Name: name}
if err := c.ovnNbClient.Get(ctx, pg); err != nil {
if ignoreNotFound && err == client.ErrNotFound {
return nil, nil
}
return nil, fmt.Errorf("failed to get port group %s: %v", name, err)
}
return pg, nil
}
func (c OvnClient) CreatePortGroup(name string, externalIDs map[string]string) error {
pg, err := c.GetPortGroup(name, true)
if err != nil {
return err
}
if pg != nil {
return nil
}
pg = &ovnnb.PortGroup{
Name: name,
ExternalIDs: externalIDs,
}
ops, err := c.ovnNbClient.Create(pg)
if err != nil {
return fmt.Errorf("failed to generate create operations for port group %s: %v", name, err)
}
if err = Transact(c.ovnNbClient, "pg-add", ops, c.ovnNbClient.Timeout); err != nil {
return fmt.Errorf("failed to create port group %s: %v", name, err)
}
return nil
}
func (c OvnClient) portGroupPortOp(pgName, portName string, opIsAdd bool) error {
pg, err := c.GetPortGroup(pgName, false)
if err != nil {
return err
}
lsp, err := c.GetLogicalSwitchPort(portName, false)
if err != nil {
return err
}
portMap := make(map[string]struct{}, len(pg.Ports))
for _, port := range pg.Ports {
portMap[port] = struct{}{}
}
if _, ok := portMap[lsp.UUID]; ok == opIsAdd {
return nil
}
if opIsAdd {
pg.Ports = append(pg.Ports, lsp.UUID)
} else {
delete(portMap, lsp.UUID)
pg.Ports = make([]string, 0, len(portMap))
for port := range portMap {
pg.Ports = append(pg.Ports, port)
}
}
ops, err := c.ovnNbClient.Where(pg).Update(pg, &pg.Ports)
if err != nil {
return fmt.Errorf("failed to generate update operations for port group %s: %v", pgName, err)
}
if err = Transact(c.ovnNbClient.Client, "update", ops, c.ovnNbClient.Timeout); err != nil {
return fmt.Errorf("failed to update ports of port group %s: %v", pgName, err)
}
return nil
}
func (c OvnClient) PortGroupAddPort(pgName, portName string) error {
return c.portGroupPortOp(pgName, portName, true)
}
func (c OvnClient) PortGroupRemovePort(pgName, portName string) error {
return c.portGroupPortOp(pgName, portName, false)
}