func AppList(rw http.ResponseWriter, r *http.Request) *httperr.Error {
apps, err := models.ListApps()
if err != nil {
return httperr.Server(err)
}
sort.Sort(apps)
return RenderJson(rw, apps)
}
func StartImages() {
var log = logger.New("ns=app_images")
if os.Getenv("DEVELOPMENT") == "true" {
return
}
maxRetries := 5
var err error
for i := 0; i < maxRetries; i++ {
err := dockerLogin()
if err == nil {
break
}
time.Sleep(30 * time.Second)
}
if err != nil {
return
}
apps, err := models.ListApps()
if err != nil {
log.Error(err)
return
}
for _, app := range apps {
a, err := models.GetApp(app.Name)
if err != nil {
log.Error(err)
continue
}
for key, value := range a.Parameters {
if strings.HasSuffix(key, "Image") {
log.Log("cmd=%q", fmt.Sprintf("docker pull %s", value))
data, err := exec.Command("docker", "pull", value).CombinedOutput()
if err != nil {
fmt.Printf("%+v\n", string(data))
log.Error(err)
continue
}
}
}
}
}
func heartbeat() {
system, err := models.GetSystem()
if err != nil {
log.Error(err)
return
}
apps, err := models.ListApps()
if err != nil {
log.Error(err)
return
}
helpers.TrackEvent("kernel-heartbeat", map[string]interface{}{
"app_count": len(apps),
"instance_count": system.Count,
"instance_type": system.Type,
"region": os.Getenv("AWS_REGION"),
"version": system.Version,
})
}
// Set up rack instance Docker environment for builds
// Log into all configured private registries
// Pull down latest images for all apps
func StartImages() {
var log = logger.New("ns=app_images")
if os.Getenv("DEVELOPMENT") == "true" {
return
}
// doing this in development updates a ~/.docker file and causes a rerun loop
models.LoginRegistries()
maxRetries := 5
var err error
for i := 0; i < maxRetries; i++ {
err = models.DockerLogin(docker.AuthConfiguration{
Email: "*****@*****.**",
Username: "******",
Password: os.Getenv("PASSWORD"),
ServerAddress: os.Getenv("REGISTRY_HOST"),
})
if err == nil {
break
}
time.Sleep(30 * time.Second)
}
if err != nil {
return
}
apps, err := models.ListApps()
if err != nil {
log.Error(err)
return
}
for _, app := range apps {
a, err := models.GetApp(app.Name)
if err != nil {
log.Error(err)
continue
}
for key, value := range a.Parameters {
if strings.HasSuffix(key, "Image") {
log.Log("cmd=%q", fmt.Sprintf("docker pull %s", value))
data, err := exec.Command("docker", "pull", value).CombinedOutput()
if err != nil {
fmt.Printf("%+v\n", string(data))
log.Error(err)
continue
}
}
}
}
}