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Prototype for namespace support, addresses #15

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This commit is contained in:
Tomofumi Hayashi 2018-04-03 16:09:46 +09:00
parent 393d5f47e5
commit ebb19edfc3
1 changed files with 44 additions and 6 deletions
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50
multus/multus.go
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@ -294,6 +294,31 @@ func getPodNetworkAnnotation(client *kubernetes.Clientset, k8sArgs K8sArgs) (str
return pod.Annotations["kubernetes.cni.cncf.io/networks"], nil
}
func parsePodNetworkObjectName(podnetwork string) (string, string, string, error) {
var netNsName string
var netIfName string
var networkName string
slashItems := strings.Split(podnetwork, "/")
if len(slashItems) == 2 {
netNsName = strings.TrimSpace(slashItems[0])
networkName = slashItems[1]
} else if len(slashItems) == 1 {
networkName = slashItems[0]
} else {
return "", "", "", fmt.Errorf("Invalid network object (failed at '/')")
}
atItems := strings.Split(networkName, "@")
networkName = strings.TrimSpace(atItems[0])
if len(atItems) == 2 {
netIfName = strings.TrimSpace(atItems[1])
} else if len(atItems) != 1 {
return "", "", "", fmt.Errorf("Invalid network object (failed at '@')")
}
return netNsName, networkName, netIfName, nil
}
func parsePodNetworkObject(podnetwork string) ([]map[string]interface{}, error) {
var podNet []map[string]interface{}
@ -307,12 +332,20 @@ func parsePodNetworkObject(podnetwork string) ([]map[string]interface{}, error)
commaItems := strings.Split(podnetwork, ",")
// Build a map from the comma delimited items.
for i := range commaItems {
atItems := strings.Split(commaItems[i], "@")
m := make(map[string]interface{})
m["name"] = strings.TrimSpace(atItems[0])
if len(atItems) == 2 {
m["interfaceRequest"] = atItems[1]
// Parse network name (i.e. <namespace>/<network name>@<ifname>)
netNsName, networkName, netIfName, err := parsePodNetworkObjectName(commaItems[i])
if err != nil {
return nil, fmt.Errorf("parsePodNetworkObject: %v", err)
}
m := make(map[string]interface{})
m["name"] = networkName
if netNsName != "" {
m["namespace"] = netNsName
}
if netIfName != "" {
m["interfaceRequest"] = netIfName
}
podNet = append(podNet, m)
}
}
@ -361,7 +394,12 @@ func getnetplugin(client *kubernetes.Clientset, networkinfo map[string]interface
return "", fmt.Errorf("getnetplugin: network name can't be empty")
}
tprclient := fmt.Sprintf("/apis/cni.cncf.io/v1/namespaces/default/networks/%s", networkname)
netNsName := "default"
if networkinfo["namespace"] != nil {
netNsName = networkinfo["namespace"].(string)
}
tprclient := fmt.Sprintf("/apis/cni.cncf.io/v1/namespaces/%s/networks/%s", netNsName, networkname)
netobjdata, err := client.ExtensionsV1beta1().RESTClient().Get().AbsPath(tprclient).DoRaw()
if err != nil {