func InstanceTerminate(rw http.ResponseWriter, r *http.Request) *httperr.Error {
rack, err := models.GetSystem()
if awsError(err) == "ValidationError" {
return httperr.Errorf(404, "no such stack: %s", rack)
}
if err != nil {
return httperr.Server(err)
}
instanceId := mux.Vars(r)["id"]
_, err = models.EC2().TerminateInstances(&ec2.TerminateInstancesInput{
InstanceIds: []*string{&instanceId},
})
if err != nil {
return httperr.Server(err)
}
return RenderSuccess(rw)
}
func (instances Instances) testDocker() error {
for _, i := range instances {
instance := instances[i.Id]
res, err := models.EC2().DescribeInstances(&ec2.DescribeInstancesInput{
Filters: []*ec2.Filter{
&ec2.Filter{Name: aws.String("instance-id"), Values: []*string{&i.Id}},
},
})
if err != nil {
return err
}
if len(res.Reservations) != 1 || len(res.Reservations[0].Instances) != 1 {
return fmt.Errorf("could not describe container instance")
}
ip := *res.Reservations[0].Instances[0].PrivateIpAddress
if os.Getenv("DEVELOPMENT") == "true" {
ip = *res.Reservations[0].Instances[0].PublicIpAddress
}
d, err := docker.NewClient(fmt.Sprintf("http://%s:2376", ip))
if err != nil {
return err
}
err = d.PullImage(docker.PullImageOptions{
Repository: "busybox",
}, docker.AuthConfiguration{})
if err != nil {
return err
}
instance.Docker = true
dres, err := d.CreateContainer(docker.CreateContainerOptions{
Config: &docker.Config{
Cmd: []string{"sh", "-c", `dmesg | grep "Remounting filesystem read-only"`},
Image: "busybox",
},
})
if err != nil {
return err
}
err = d.StartContainer(dres.ID, nil)
if err != nil {
return err
}
code, err := d.WaitContainer(dres.ID)
if err != nil {
return err
}
// grep exit status is 0 if any line was selected, 1 otherwise
// no "Remounting" selected is healthy
if code == 1 {
instance.Check = true
}
instances[i.Id] = instance
}
return nil
}