func handleContainerStop(netPlugin *plugin.NetPlugin, crt *crt.CRT, opts *cliOpts, contID string) error { // If CONTIV_DIND_HOST_GOPATH env variable is set we can assume we are in docker in docker testbed // Here we need to set the network namespace of the ports created by netplugin back to NS of the docker host hostGoPath := os.Getenv("CONTIV_DIND_HOST_GOPATH") if hostGoPath != "" { osCmd := exec.Command("github.com/contiv/netplugin/scripts/dockerhost/setlocalns.sh") osCmd.Dir = os.Getenv("GOSRC") output, err := osCmd.Output() if err != nil { log.Errorf("setlocalns failed. Error: %s Output: \n%s\n", err, output) return err } return err } if opts.forceDeleteEp { log.Infof("deleting operEp for container with uuid %s \n", contID) epIDs, err := getEpIDByContainerUUID(netPlugin, contID) if err != nil { log.Errorf("error obtaining container's epid for uuid %s: %v \n", contID, err) return err } for _, epID := range epIDs { err = netPlugin.DeleteEndpoint(epID) if err != nil { log.Errorf("error deleting an endpoint upon container stop: %v \n", err) return err } } } return nil }
func processEpEvent(netPlugin *plugin.NetPlugin, crt *crt.CRT, opts cliOpts, epID string, isDelete bool) (err error) { // take a lock to ensure we are programming one event at a time. // Also network create events need to be processed before endpoint creates // and reverse shall happen for deletes. That order is ensured by netmaster, // so we don't need to worry about that here netPlugin.Lock() defer func() { netPlugin.Unlock() }() homingHost := "" vtepIP := "" if !isDelete { epCfg := &drivers.OvsCfgEndpointState{} epCfg.StateDriver = netPlugin.StateDriver err = epCfg.Read(epID) if err != nil { log.Errorf("Failed to read config for ep '%s' \n", epID) return } homingHost = epCfg.HomingHost vtepIP = epCfg.VtepIP } else { epOper := &drivers.OvsOperEndpointState{} epOper.StateDriver = netPlugin.StateDriver err = epOper.Read(epID) if err != nil { log.Errorf("Failed to read oper for ep %s, err '%s' \n", epID, err) return } homingHost = epOper.HomingHost vtepIP = epOper.VtepIP } if skipHost(vtepIP, homingHost, opts.hostLabel) { log.Infof("skipping mismatching host for ep %s. EP's host %s (my host: %s)", epID, homingHost, opts.hostLabel) return } // read the context before to be compared with what changed after contEpContext, err := getEndpointContainerContext( netPlugin.StateDriver, epID) if err != nil { log.Errorf("Failed to obtain the container context for ep '%s' \n", epID) return } log.Debugf("read endpoint context: %s \n", contEpContext) operStr := "" if isDelete { err = netPlugin.DeleteEndpoint(epID) operStr = "delete" } else { err = netPlugin.CreateEndpoint(epID) operStr = "create" } if err != nil { log.Errorf("Endpoint operation %s failed. Error: %s", operStr, err) return } log.Infof("Endpoint operation %s succeeded", operStr) // attach or detach an endpoint to a container if isDelete || contAttachPointDeleted(contEpContext) { err = crt.ContainerIf.DetachEndpoint(contEpContext) if err != nil { log.Errorf("Endpoint detach container '%s' from ep '%s' failed . "+ "Error: %s", contEpContext.CurrContName, epID, err) } else { log.Infof("Endpoint detach container '%s' from ep '%s' succeeded", contEpContext.CurrContName, epID) } } if !isDelete && contAttachPointAdded(contEpContext) { // re-read post ep updated state newContEpContext, err1 := getEndpointContainerContext( netPlugin.StateDriver, epID) if err1 != nil { log.Errorf("Failed to obtain the container context for ep '%s' \n", epID) return } contEpContext.InterfaceID = newContEpContext.InterfaceID contEpContext.IPAddress = newContEpContext.IPAddress contEpContext.SubnetLen = newContEpContext.SubnetLen err = crt.ContainerIf.AttachEndpoint(contEpContext) if err != nil { log.Errorf("Endpoint attach container '%s' to ep '%s' failed . "+ "Error: %s", contEpContext.NewContName, epID, err) } else { log.Infof("Endpoint attach container '%s' to ep '%s' succeeded", contEpContext.NewContName, epID) } contID := crt.ContainerIf.GetContainerID(contEpContext.NewContName) if contID != "" { } } return }