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package overlay
import (
"fmt"
"net"
"encoding/json"
"github.com/docker/docker/libnetwork/types"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim"
)
const ovPeerTable = "overlay_peer_table"
func (d *driver) peerAdd(nid, eid string, peerIP net.IP, peerIPMask net.IPMask,
peerMac net.HardwareAddr, vtep net.IP, updateDb bool) error {
logrus.Debugf("WINOVERLAY: Enter peerAdd for ca ip %s with ca mac %s", peerIP.String(), peerMac.String())
if err := validateID(nid, eid); err != nil {
return err
}
n := d.network(nid)
if n == nil {
return nil
}
if updateDb {
logrus.Info("WINOVERLAY: peerAdd: notifying HNS of the REMOTE endpoint")
hnsEndpoint := &hcsshim.HNSEndpoint{
Name: eid,
VirtualNetwork: n.hnsID,
MacAddress: peerMac.String(),
IPAddress: peerIP,
IsRemoteEndpoint: true,
}
paPolicy, err := json.Marshal(hcsshim.PaPolicy{
Type: "PA",
PA: vtep.String(),
})
if err != nil {
return err
}
hnsEndpoint.Policies = append(hnsEndpoint.Policies, paPolicy)
configurationb, err := json.Marshal(hnsEndpoint)
if err != nil {
return err
}
// Temp: We have to create an endpoint object to keep track of the HNS ID for
// this endpoint so that we can retrieve it later when the endpoint is deleted.
// This seems unnecessary when we already have dockers EID. See if we can pass
// the global EID to HNS to use as it's ID, rather than having each HNS assign
// it's own local ID for the endpoint
addr, err := types.ParseCIDR(peerIP.String() + "/32")
if err != nil {
return err
}
n.removeEndpointWithAddress(addr)
hnsresponse, err := endpointRequest("POST", "", string(configurationb))
if err != nil {
return err
}
ep := &endpoint{
id: eid,
nid: nid,
addr: addr,
mac: peerMac,
profileID: hnsresponse.Id,
remote: true,
}
n.addEndpoint(ep)
}
return nil
}
func (d *driver) peerDelete(nid, eid string, peerIP net.IP, peerIPMask net.IPMask,
peerMac net.HardwareAddr, vtep net.IP, updateDb bool) error {
logrus.Infof("WINOVERLAY: Enter peerDelete for endpoint %s and peer ip %s", eid, peerIP.String())
if err := validateID(nid, eid); err != nil {
return err
}
n := d.network(nid)
if n == nil {
return nil
}
ep := n.endpoint(eid)
if ep == nil {
return fmt.Errorf("could not find endpoint with id %s", eid)
}
if updateDb {
_, err := endpointRequest("DELETE", ep.profileID, "")
if err != nil {
return err
}
n.deleteEndpoint(eid)
}
return nil
}
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