Files
weave/proxy/create_exec_interceptor.go
T
Matthias Radestock c25bfafcb2 refactor: make proxy log via a package-local var
which gets rid of a bunch of (dot) imports.
2016-03-20 08:31:23 +00:00

45 lines
1016 B
Go

package proxy
import (
"net/http"
"strings"
)
type createExecInterceptor struct{ proxy *Proxy }
func (i *createExecInterceptor) InterceptRequest(r *http.Request) error {
options := jsonObject{}
if err := unmarshalRequestBody(r, &options); err != nil {
return err
}
container, err := inspectContainerInPath(i.proxy.client, r.URL.Path)
if err != nil {
return err
}
if _, hasWeaveWait := container.Volumes["/w"]; !hasWeaveWait {
return nil
}
cidrs, err := i.proxy.weaveCIDRs(container.HostConfig.NetworkMode, container.Config.Env)
if err != nil {
Log.Infof("Leaving container %s alone because %s", container.ID, err)
return nil
}
cmd, err := options.StringArray("Cmd")
if err != nil {
return err
}
Log.Infof("Exec in container %s with WEAVE_CIDR \"%s\"", container.ID, strings.Join(cidrs, " "))
options["Cmd"] = append(weaveWaitEntrypoint, cmd...)
return marshalRequestBody(r, options)
}
func (i *createExecInterceptor) InterceptResponse(r *http.Response) error {
return nil
}