//UpdateEndpointGroup updates the epg
func (d *OvsDriver) UpdateEndpointGroup(id string) error {
log.Infof("Received endpoint group update for %s", id)
var (
err error
epgBandwidth int64
sw *OvsSwitch
)
//gets the EndpointGroupState object
cfgEpGroup := &mastercfg.EndpointGroupState{}
cfgEpGroup.StateDriver = d.oper.StateDriver
err = cfgEpGroup.Read(id)
if err != nil {
return err
}
if cfgEpGroup.ID != "" {
if cfgEpGroup.Bandwidth != "" {
epgBandwidth = netutils.ConvertBandwidth(cfgEpGroup.Bandwidth)
}
d.oper.localEpInfoMutex.Lock()
defer d.oper.localEpInfoMutex.Unlock()
for _, epInfo := range d.oper.LocalEpInfo {
if epInfo.EpgKey == id {
log.Debugf("Applying bandwidth: %s on: %s ", cfgEpGroup.Bandwidth, epInfo.Ovsportname)
// Find the switch based on network type
if epInfo.BridgeType == "vxlan" {
sw = d.switchDb["vxlan"]
} else {
sw = d.switchDb["vlan"]
}
// update the endpoint in ovs switch
err = sw.UpdateEndpoint(epInfo.Ovsportname, cfgEpGroup.Burst, cfgEpGroup.DSCP, epgBandwidth)
if err != nil {
log.Errorf("Error adding bandwidth %v , err: %+v", epgBandwidth, err)
return err
}
}
}
}
return err
}
// CreateEndpoint creates an endpoint by named identifier
func (d *OvsDriver) CreateEndpoint(id string) error {
var (
err error
intfName string
epgKey string
epgBandwidth int64
dscp int
)
cfgEp := &mastercfg.CfgEndpointState{}
cfgEp.StateDriver = d.oper.StateDriver
err = cfgEp.Read(id)
if err != nil {
return err
}
// Get the nw config.
cfgNw := mastercfg.CfgNetworkState{}
cfgNw.StateDriver = d.oper.StateDriver
err = cfgNw.Read(cfgEp.NetID)
if err != nil {
log.Errorf("Unable to get network %s. Err: %v", cfgEp.NetID, err)
return err
}
pktTagType := cfgNw.PktTagType
pktTag := cfgNw.PktTag
cfgEpGroup := &mastercfg.EndpointGroupState{}
// Read pkt tags from endpoint group if available
if cfgEp.EndpointGroupKey != "" {
cfgEpGroup.StateDriver = d.oper.StateDriver
err = cfgEpGroup.Read(cfgEp.EndpointGroupKey)
if err == nil {
log.Debugf("pktTag: %v ", cfgEpGroup.PktTag)
pktTagType = cfgEpGroup.PktTagType
pktTag = cfgEpGroup.PktTag
epgKey = cfgEp.EndpointGroupKey
dscp = cfgEpGroup.DSCP
log.Infof("Received endpoint create with bandwidth:%s", cfgEpGroup.Bandwidth)
if cfgEpGroup.Bandwidth != "" {
epgBandwidth = netutils.ConvertBandwidth(cfgEpGroup.Bandwidth)
}
} else if core.ErrIfKeyExists(err) == nil {
log.Infof("EPG %s not found: %v. will use network based tag ", cfgEp.EndpointGroupKey, err)
} else {
return err
}
}
// Find the switch based on network type
var sw *OvsSwitch
if pktTagType == "vxlan" {
sw = d.switchDb["vxlan"]
} else {
sw = d.switchDb["vlan"]
}
// Skip Veth pair creation for infra nw endpoints
skipVethPair := (cfgNw.NwType == "infra")
operEp := &OvsOperEndpointState{}
operEp.StateDriver = d.oper.StateDriver
err = operEp.Read(id)
if core.ErrIfKeyExists(err) != nil {
return err
} else if err == nil {
// check if oper state matches cfg state. In case of mismatch cleanup
// up the EP and continue add new one. In case of match just return.
if operEp.Matches(cfgEp) {
log.Printf("Found matching oper state for ep %s, noop", id)
// Ask the switch to update the port
err = sw.UpdatePort(operEp.PortName, cfgEp, pktTag, cfgNw.PktTag, dscp, skipVethPair)
if err != nil {
log.Errorf("Error creating port %s. Err: %v", intfName, err)
return err
}
return nil
}
log.Printf("Found mismatching oper state for Ep, cleaning it. Config: %+v, Oper: %+v",
cfgEp, operEp)
d.DeleteEndpoint(operEp.ID)
}
if cfgNw.NwType == "infra" {
// For infra nw, port name is network name
intfName = cfgNw.NetworkName
} else {
// Get the interface name to use
intfName, err = d.getIntfName()
if err != nil {
return err
}
}
// Get OVS port name
ovsPortName := getOvsPortName(intfName, skipVethPair)
// Ask the switch to create the port
err = sw.CreatePort(intfName, cfgEp, pktTag, cfgNw.PktTag, cfgEpGroup.Burst, dscp, skipVethPair, epgBandwidth)
if err != nil {
log.Errorf("Error creating port %s. Err: %v", intfName, err)
return err
}
// save local endpoint info
d.oper.localEpInfoMutex.Lock()
d.oper.LocalEpInfo[id] = &EpInfo{
Ovsportname: ovsPortName,
EpgKey: epgKey,
BridgeType: pktTagType,
}
d.oper.localEpInfoMutex.Unlock()
err = d.oper.Write()
if err != nil {
return err
}
// Save the oper state
operEp = &OvsOperEndpointState{
NetID: cfgEp.NetID,
EndpointID: cfgEp.EndpointID,
ServiceName: cfgEp.ServiceName,
IPAddress: cfgEp.IPAddress,
MacAddress: cfgEp.MacAddress,
IntfName: cfgEp.IntfName,
PortName: intfName,
HomingHost: cfgEp.HomingHost,
VtepIP: cfgEp.VtepIP}
operEp.StateDriver = d.oper.StateDriver
operEp.ID = id
err = operEp.Write()
if err != nil {
return err
}
defer func() {
if err != nil {
operEp.Clear()
}
}()
return nil
}