Files
weave/proxy/create_exec_interceptor.go
T
Matthias Radestock 4d887c8a55 Merge branch '1.0'
Conflicts:
	proxy/create_exec_interceptor.go
	test/610_proxy_wait_for_weave_test.sh
2015-07-15 18:07:11 +01:00

50 lines
1.1 KiB
Go

package proxy
import (
"encoding/json"
"io/ioutil"
"net/http"
"strings"
"github.com/fsouza/go-dockerclient"
. "github.com/weaveworks/weave/common"
)
type createExecInterceptor struct{ proxy *Proxy }
func (i *createExecInterceptor) InterceptRequest(r *http.Request) error {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return err
}
r.Body.Close()
options := docker.CreateExecOptions{}
if err := json.Unmarshal(body, &options); err != nil {
return err
}
container, err := inspectContainerInPath(i.proxy.client, r.URL.Path)
if err != nil {
return err
}
_, hasWeaveWait := container.Volumes["/w"]
cidrs, hasCIDRs := i.proxy.weaveCIDRsFromConfig(container.Config)
if hasCIDRs && hasWeaveWait {
Log.Infof("Exec in container %s with WEAVE_CIDR \"%s\"", container.ID, strings.Join(cidrs, " "))
cmd := append(weaveWaitEntrypoint, "-s")
options.Cmd = append(cmd, options.Cmd...)
}
if err := marshalRequestBody(r, options); err != nil {
return err
}
return nil
}
func (i *createExecInterceptor) InterceptResponse(r *http.Response) error {
return nil
}