// deletePod is the handler for pod deletes
func deletePod(r *http.Request) (interface{}, error) {
resp := cniapi.RspAddPod{}
logEvent("del pod")
content, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Errorf("Failed to read request: %v", err)
return resp, err
}
pInfo := cniapi.CNIPodAttr{}
if err := json.Unmarshal(content, &pInfo); err != nil {
return resp, err
}
// Get labels from the kube api server
epReq, err := getEPSpec(&pInfo)
if err != nil {
log.Errorf("Error getting labels. Err: %v", err)
setErrorResp(&resp, "Error getting labels", err)
return resp, err
}
netPlugin.DeleteHostAccPort(epReq.EndpointID)
err = epCleanUp(epReq)
resp.Result = 0
resp.EndpointID = pInfo.InfraContainerID
return resp, err
}
// addPod is the handler for pod additions
func addPod(r *http.Request) (interface{}, error) {
resp := cniapi.RspAddPod{}
logEvent("add pod")
content, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Errorf("Failed to read request: %v", err)
return resp, err
}
pInfo := cniapi.CNIPodAttr{}
if err := json.Unmarshal(content, &pInfo); err != nil {
return resp, err
}
// Get labels from the kube api server
epReq, err := getEPSpec(&pInfo)
if err != nil {
log.Errorf("Error getting labels. Err: %v", err)
setErrorResp(&resp, "Error getting labels", err)
return resp, err
}
ep, err := createEP(epReq)
if err != nil {
log.Errorf("Error creating ep. Err: %v", err)
setErrorResp(&resp, "Error creating EP", err)
return resp, err
}
// convert netns to pid that netlink needs
pid, err := nsToPID(pInfo.NwNameSpace)
if err != nil {
log.Errorf("Error moving to netns. Err: %v", err)
setErrorResp(&resp, "Error moving to netns", err)
return resp, err
}
// Set interface attributes for the new port
err = setIfAttrs(pid, ep.PortName, ep.IPAddress, pInfo.IntfName)
if err != nil {
log.Errorf("Error setting interface attributes. Err: %v", err)
setErrorResp(&resp, "Error setting interface attributes", err)
return resp, err
}
// if Gateway is not specified on the nw, use the host gateway
gwIntf := pInfo.IntfName
gw := ep.Gateway
if gw == "" {
hostIf := netutils.GetHostIntfName(ep.PortName)
hostIP, _ := netutils.HostIfToIP(hostIf)
err = netPlugin.CreateHostAccPort(hostIf, ep.IPAddress, hostIP)
if err != nil {
log.Errorf("Error setting host access. Err: %v", err)
} else {
err = setIfAttrs(pid, hostIf, hostIP, "host1")
if err != nil {
log.Errorf("Move to pid %d failed", pid)
} else {
gw = hostGWIP
gwIntf = "host1"
// make sure service subnet points to eth0
svcSubnet := contivK8Config.SvcSubnet
addStaticRoute(pid, svcSubnet, pInfo.IntfName)
}
}
}
// Set default gateway
err = setDefGw(pid, gw, gwIntf)
if err != nil {
log.Errorf("Error setting default gateway. Err: %v", err)
setErrorResp(&resp, "Error setting default gateway", err)
return resp, err
}
resp.Result = 0
resp.IPAddress = ep.IPAddress
resp.EndpointID = pInfo.InfraContainerID
return resp, nil
}
func setErrorResp(resp *cniapi.RspAddPod, msg string, err error) {
resp.Result = 1
resp.ErrMsg = msg
resp.ErrInfo = fmt.Sprintf("Err: %v", err)
}