func (t *Tap) Close() error {
if err := deleteTap(t.Name); err != nil {
return err
}
if t.LocalIP != nil {
ipallocator.ReleaseIP(t.bridge.ipNet, t.LocalIP)
}
if t.RemoteIP != nil {
ipallocator.ReleaseIP(t.bridge.ipNet, t.RemoteIP)
}
return nil
}
func (c *libvirtContainer) cleanup() error {
g := grohl.NewContext(grohl.Data{"backend": "libvirt-lxc", "fn": "cleanup", "job.id": c.job.ID})
g.Log(grohl.Data{"at": "start"})
if err := syscall.Unmount(filepath.Join(c.RootPath, ".containerinit"), 0); err != nil {
g.Log(grohl.Data{"at": "unmount", "file": ".containerinit", "status": "error", "err": err})
}
if err := syscall.Unmount(filepath.Join(c.RootPath, "etc/resolv.conf"), 0); err != nil {
g.Log(grohl.Data{"at": "unmount", "file": "resolv.conf", "status": "error", "err": err})
}
if err := pinkerton.Cleanup(c.job.ID); err != nil {
g.Log(grohl.Data{"at": "pinkerton", "status": "error", "err": err})
}
for _, m := range c.job.Config.Mounts {
if err := syscall.Unmount(filepath.Join(c.RootPath, m.Location), 0); err != nil {
g.Log(grohl.Data{"at": "unmount", "location": m.Location, "status": "error", "err": err})
}
}
for _, p := range c.job.Config.Ports {
if err := c.l.forwarder.Remove(&net.TCPAddr{IP: c.IP, Port: p.Port}, p.RangeEnd, p.Proto); err != nil {
g.Log(grohl.Data{"at": "iptables", "status": "error", "err": err, "port": p.Port})
}
c.l.ports[p.Proto].Put(uint16(p.Port))
}
ipallocator.ReleaseIP(defaultNet, &c.IP)
g.Log(grohl.Data{"at": "finish"})
return nil
}
// release an interface for a select ip
func Release(job *engine.Job) engine.Status {
var (
id = job.Args[0]
containerInterface = currentInterfaces.Get(id)
)
if containerInterface == nil {
return job.Errorf("No network information to release for %s", id)
}
for _, nat := range containerInterface.PortMappings {
if err := portmapper.Unmap(nat); err != nil {
log.Infof("Unable to unmap port %s: %s", nat, err)
}
}
if err := ipallocator.ReleaseIP(bridgeNetwork, &containerInterface.IP); err != nil {
log.Infof("Unable to release ip %s", err)
}
return engine.StatusOK
}