func (this *NodeState) NodeDown(ip string, resp *model.NodeResponse) error {
if ip == "" {
resp.Code = 1
return nil
}
g.DeleteNode(ip)
g.RealState.DeleteByIp(ip)
return nil
}
func DockerRun(app *model.App, ip string) {
if g.Config().Debug {
log.Printf("create container. app:%s, ip:%s\n", app.Name, ip)
}
envVars, err := g.LoadEnvVarsOf(app.Name)
if err != nil {
log.Println("[ERROR] load env fail:", err)
return
}
envVars["APP_NAME"] = app.Name
envVars["HOST_IP"] = ip
if g.Config().Scribe.Ip != "" {
envVars["SCRIBE_IP"] = g.Config().Scribe.Ip
} else {
envVars["SCRIBE_IP"] = ip
}
envVars["SCRIBE_PORT"] = fmt.Sprintf("%d", g.Config().Scribe.Port)
addr := fmt.Sprintf("http://%s:%d", ip, g.Config().DockerPort)
client, err := docker.NewClient(addr)
if err != nil {
log.Println("[ERROR] docker.NewClient fail:", err)
return
}
opts := docker.CreateContainerOptions{
Config: &docker.Config{
Memory: int64(app.Memory * 1024 * 1024),
ExposedPorts: map[docker.Port]struct{}{
docker.Port("8080/tcp"): {},
},
Image: app.Image,
AttachStdin: false,
AttachStdout: false,
AttachStderr: false,
Env: BuildEnvArray(envVars),
},
}
container, err := client.CreateContainer(opts)
if err != nil {
if err == docker.ErrNoSuchImage {
repos, tag := ParseRepositoryTag(app.Image)
e := client.PullImage(docker.PullImageOptions{Repository: repos, Tag: tag}, docker.AuthConfiguration{})
if e != nil {
log.Println("[ERROR] pull image", app.Image, "fail:", e)
return
}
// retry
container, err = client.CreateContainer(opts)
if err != nil {
log.Println("[ERROR] retry create container fail:", err, "ip:", ip)
g.UpdateAppStatus(app, model.AppStatus_CreateContainerFail)
return
}
} else {
log.Println("[ERROR] create container fail:", err, "ip:", ip)
if err != nil && strings.Contains(err.Error(), "cannot connect") {
g.DeleteNode(ip)
g.RealState.DeleteByIp(ip)
return
}
g.UpdateAppStatus(app, model.AppStatus_CreateContainerFail)
return
}
}
err = client.StartContainer(container.ID, &docker.HostConfig{
PortBindings: map[docker.Port][]docker.PortBinding{
"8080/tcp": []docker.PortBinding{docker.PortBinding{}},
},
})
if err != nil {
log.Println("[ERROR] docker.StartContainer fail:", err)
g.UpdateAppStatus(app, model.AppStatus_StartContainerFail)
return
}
if g.Config().Debug {
log.Println("start container success:-)")
}
}