52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package proxy
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import (
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"net/http"
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. "github.com/weaveworks/weave/common"
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)
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type inspectContainerInterceptor struct{ proxy *Proxy }
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func (i *inspectContainerInterceptor) InterceptRequest(r *http.Request) error {
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return nil
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}
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func (i *inspectContainerInterceptor) InterceptResponse(r *http.Response) error {
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if !i.proxy.RewriteInspect || r.StatusCode != 200 {
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return nil
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}
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container := jsonObject{}
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if err := unmarshalResponseBody(r, &container); err != nil {
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return err
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}
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if err := updateContainerNetworkSettings(container); err != nil {
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Log.Warningf("Inspecting container %s failed: %s", container["Id"], err)
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}
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return marshalResponseBody(r, container)
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}
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func updateContainerNetworkSettings(container jsonObject) error {
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containerID, err := container.String("Id")
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if err != nil {
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return err
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}
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mac, ips, nets, err := weaveContainerIPs(containerID)
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if err != nil || len(ips) == 0 {
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return err
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}
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networkSettings, err := container.Object("NetworkSettings")
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if err != nil {
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return err
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}
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networkSettings["MacAddress"] = mac
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networkSettings["IPAddress"] = ips[0].String()
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networkSettings["IPPrefixLen"], _ = nets[0].Mask.Size()
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return nil
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}
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