Files
weave/proxy/create_exec_interceptor.go
T
Paul Bellamy e6b587ea8d proxy needs to add weavewait to execs as well
Bug came up in a test where we are restarting and doing an exec checking
a network interface right away. weavewait is only added if the container
has a WEAVE_CIDR var set, the same as at container creation.
2015-05-19 17:36:53 +01:00

52 lines
1.0 KiB
Go

package proxy
import (
"encoding/json"
"io/ioutil"
"net/http"
"github.com/fsouza/go-dockerclient"
)
type createExecInterceptor struct {
client *docker.Client
}
type createExecRequestBody struct {
*docker.Config
HostConfig *docker.HostConfig `json:"HostConfig,omitempty" yaml:"HostConfig,omitempty"`
MacAddress string `json:"MacAddress,omitempty" yaml:"MacAddress,omitempty"`
}
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.client, r.URL.Path)
if err != nil {
return err
}
if _, ok := weaveCIDRsFromConfig(container.Config); ok {
options.Cmd = append(weaveWaitEntrypoint, options.Cmd...)
}
if err := marshalRequestBody(r, options); err != nil {
return err
}
return nil
}
func (i *createExecInterceptor) InterceptResponse(r *http.Response) error {
return nil
}