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contrail-mesos-cni.go
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contrail-mesos-cni.go
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// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
//
// Copyright (c) 2017 Juniper Networks, Inc. All rights reserved.
//
/****************************************************************************
* Main routines for Mesos CNI plugin
****************************************************************************/
package main
import (
"../contrail"
log "../logging"
"github.com/containernetworking/cni/pkg/skel"
cniSpecVersion "github.com/containernetworking/cni/pkg/version"
)
// Get UUID and Name for container. UUID is same as container-id
func getPodInfo(skelArgs *skel.CmdArgs) (string, string, error) {
return skelArgs.ContainerID, skelArgs.ContainerID, nil
}
// Add command
func CmdAdd(skelArgs *skel.CmdArgs) error {
// Initialize ContrailCni module
cni, err := contrailCni.Init(skelArgs)
if err != nil {
return err
}
log.Infof("Came in Add for container %s", skelArgs.ContainerID)
// Get UUID and Name for container
containerUuid, containerName, err := getPodInfo(skelArgs)
if err != nil {
log.Errorf("Error getting UUID/Name for Container")
return err
}
// Update UUID and Name for container
cni.UpdateContainerInfo(containerName, containerUuid, "")
cni.Log()
// Handle Add command
err = cni.CmdAdd()
if err != nil {
log.Errorf("Failed processing Add command.")
return err
}
return nil
}
// Del command
func CmdDel(skelArgs *skel.CmdArgs) error {
// Initialize ContrailCni module
cni, err := contrailCni.Init(skelArgs)
if err != nil {
return err
}
log.Infof("Came in Del for container %s", skelArgs.ContainerID)
// Get UUID and Name for container
containerUuid, containerName, err := getPodInfo(skelArgs)
if err != nil {
log.Errorf("Error getting UUID/Name for Container")
return err
}
// Update UUID and Name for container
cni.UpdateContainerInfo(containerName, containerUuid, "")
cni.Log()
// Handle Del command
err = cni.CmdDel()
if err != nil {
log.Errorf("Failed processing Add command.")
return err
}
return nil
}
func main() {
// Let CNI skeletal code handle demux based on env variables
skel.PluginMain(CmdAdd, CmdDel, cniSpecVersion.All)
}