Files
weave/proxy/inspect_container_interceptor.go
T

44 lines
1.0 KiB
Go

package proxy
import (
"net/http"
"github.com/fsouza/go-dockerclient"
. "github.com/weaveworks/weave/common"
)
type inspectContainerInterceptor struct{ proxy *Proxy }
func (i *inspectContainerInterceptor) InterceptRequest(r *http.Request) error {
return nil
}
func (i *inspectContainerInterceptor) InterceptResponse(r *http.Response) error {
if !i.proxy.RewriteInspect {
return nil
}
container := &docker.Container{}
if err := unmarshalResponseBody(r, container); err != nil {
return err
}
if err := updateContainerNetworkSettings(container); err != nil {
Log.Warningf("Inspecting container %s failed: %s", container.ID, err)
}
return marshalResponseBody(r, container)
}
func updateContainerNetworkSettings(container *docker.Container) error {
mac, ips, nets, err := weaveContainerIPs(container)
if err != nil || len(ips) == 0 {
return err
}
container.NetworkSettings.MacAddress = mac
container.NetworkSettings.IPAddress = ips[0].String()
container.NetworkSettings.IPPrefixLen, _ = nets[0].Mask.Size()
return nil
}