Paul Bellamy
e2447721eb
Due to https://github.com/docker/docker/issues/9098, there is no way to signal an exec. Instead we'll have to just poll the interface and hope. Adds `weavewait -s` which is the way to tell weavewait to skip waiting for a signal, which we use on execs
51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
package proxy
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"strings"
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"github.com/fsouza/go-dockerclient"
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. "github.com/weaveworks/weave/common"
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)
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type createExecInterceptor struct {
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client *docker.Client
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withIPAM bool
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}
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func (i *createExecInterceptor) InterceptRequest(r *http.Request) error {
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return err
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}
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r.Body.Close()
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options := docker.CreateExecOptions{}
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if err := json.Unmarshal(body, &options); err != nil {
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return err
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}
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container, err := inspectContainerInPath(i.client, r.URL.Path)
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if err != nil {
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return err
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}
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if cidrs, ok := weaveCIDRsFromConfig(container.Config); ok || i.withIPAM {
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Info.Printf("Exec in container %s with WEAVE_CIDR \"%s\"", container.ID, strings.Join(cidrs, " "))
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cmd := append(weaveWaitEntrypoint, "-s")
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options.Cmd = append(cmd, options.Cmd...)
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}
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if err := marshalRequestBody(r, options); err != nil {
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return err
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}
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return nil
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}
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func (i *createExecInterceptor) InterceptResponse(r *http.Response) error {
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return nil
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}
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