func attachContainer(stateDriver core.StateDriver, crt *crt.CRT, contName string) error {
epContexts, err := getContainerEPContextByContName(stateDriver, contName)
if err != nil {
log.Errorf("Error '%s' getting Ep context for container %s \n",
err, contName)
return err
}
for _, epCtx := range epContexts {
if epCtx.NewAttachUUID != "" || epCtx.InterfaceID == "" {
log.Errorf("## skipping attach on epctx %v \n", epCtx)
continue
} else {
log.Debugf("## trying attach on epctx %v \n", epCtx)
}
err = crt.AttachEndpoint(&epCtx)
if err != nil {
log.Errorf("Error '%s' attaching container to the network \n", err)
return err
}
}
return nil
}
func handleContainerStart(netPlugin *plugin.NetPlugin, crt *crt.CRT, opts *cliOpts,
contID string) error {
// var epContexts []crtclient.ContainerEPContext
contName, err := crt.GetContainerName(contID)
if err != nil {
log.Errorf("Could not find container name from container id %s \n", contID)
return err
}
contName = strings.TrimPrefix(contName, "/")
if opts.forceDeleteEp {
err = createContainerEpOper(netPlugin, contID, contName)
if err != nil {
log.Errorf("error updating container's uuid: %v \n", err)
return err
}
}
err = attachContainer(netPlugin.StateDriver, crt, contName)
if err != nil {
log.Errorf("error attaching container: %v\n", err)
}
return err
}
// FetchLLDPInfo reads the lldp information using lldptool
// A native go lib could be done but it requires that lldpad daemon is
// accessible natively on the lldp ipc path
func FetchLLDPInfo(crt *crt.CRT, ifname string) (*LLDPNeighbor, error) {
lldp := &LLDPNeighbor{}
if crt.GetContainerID(lldpadContainerName) == "" {
log.Errorf("Unable to fetch %q container information - please check if it is running", lldpadContainerName)
return nil, core.Errorf("unable to fetch container %s info", lldpadContainerName)
}
cmdWithArgs := []string{"lldptool", "-n", "-t", "-i", ifname}
output, err := crt.ExecContainer(lldpadContainerName, cmdWithArgs...)
if err != nil {
log.Errorf("Error reading lldp information. Error: %s Output: \n%s", err, output)
return nil, err
}
err = parseLLDPArgs(string(output), lldp)
return lldp, err
}