func (sb *sandbox) Delete() error {
sb.Lock()
if sb.inDelete {
sb.Unlock()
return types.ForbiddenErrorf("another sandbox delete in progress")
}
// Set the inDelete flag. This will ensure that we don't
// update the store until we have completed all the endpoint
// leaves and deletes. And when endpoint leaves and deletes
// are completed then we can finally delete the sandbox object
// altogether from the data store. If the daemon exits
// ungracefully in the middle of a sandbox delete this way we
// will have all the references to the endpoints in the
// sandbox so that we can clean them up when we restart
sb.inDelete = true
sb.Unlock()
c := sb.controller
// Detach from all endpoints
for _, ep := range sb.getConnectedEndpoints() {
// endpoint in the Gateway network will be cleaned up
// when when sandbox no longer needs external connectivity
if ep.endpointInGWNetwork() {
continue
}
if err := ep.Leave(sb); err != nil {
log.Warnf("Failed detaching sandbox %s from endpoint %s: %v\n", sb.ID(), ep.ID(), err)
}
if err := ep.Delete(); err != nil {
log.Warnf("Failed deleting endpoint %s: %v\n", ep.ID(), err)
}
}
// Container is going away. Path cache in etchosts is most
// likely not required any more. Drop it.
etchosts.Drop(sb.config.hostsPath)
if sb.osSbox != nil {
sb.osSbox.Destroy()
}
if err := sb.storeDelete(); err != nil {
log.Warnf("Failed to delete sandbox %s from store: %v", sb.ID(), err)
}
c.Lock()
delete(c.sandboxes, sb.ID())
c.Unlock()
return nil
}
func (sb *sandbox) delete(force bool) error {
sb.Lock()
if sb.inDelete {
sb.Unlock()
return types.ForbiddenErrorf("another sandbox delete in progress")
}
// Set the inDelete flag. This will ensure that we don't
// update the store until we have completed all the endpoint
// leaves and deletes. And when endpoint leaves and deletes
// are completed then we can finally delete the sandbox object
// altogether from the data store. If the daemon exits
// ungracefully in the middle of a sandbox delete this way we
// will have all the references to the endpoints in the
// sandbox so that we can clean them up when we restart
sb.inDelete = true
sb.Unlock()
c := sb.controller
// Detach from all endpoints
retain := false
for _, ep := range sb.getConnectedEndpoints() {
// Retain the sanbdox if we can't obtain the network from store.
if _, err := c.getNetworkFromStore(ep.getNetwork().ID()); err != nil {
retain = true
log.Warnf("Failed getting network for ep %s during sandbox %s delete: %v", ep.ID(), sb.ID(), err)
continue
}
if !force {
if err := ep.Leave(sb); err != nil {
log.Warnf("Failed detaching sandbox %s from endpoint %s: %v\n", sb.ID(), ep.ID(), err)
}
}
if err := ep.Delete(force); err != nil {
log.Warnf("Failed deleting endpoint %s: %v\n", ep.ID(), err)
}
}
if retain {
sb.Lock()
sb.inDelete = false
sb.Unlock()
return fmt.Errorf("could not cleanup all the endpoints in container %s / sandbox %s", sb.containerID, sb.id)
}
// Container is going away. Path cache in etchosts is most
// likely not required any more. Drop it.
etchosts.Drop(sb.config.hostsPath)
if sb.resolver != nil {
sb.resolver.Stop()
}
if sb.osSbox != nil && !sb.config.useDefaultSandBox {
sb.osSbox.Destroy()
}
if err := sb.storeDelete(); err != nil {
log.Warnf("Failed to delete sandbox %s from store: %v", sb.ID(), err)
}
c.Lock()
delete(c.sandboxes, sb.ID())
c.Unlock()
return nil
}