func runImport(args *docopt.Args, client *controller.Client) error {
var src io.Reader = os.Stdin
if filename := args.String["--file"]; filename != "" {
f, err := os.Open(filename)
if err != nil {
return fmt.Errorf("error opening export file: %s", err)
}
defer f.Close()
src = f
}
tr := tar.NewReader(src)
var (
app *ct.App
release *ct.Release
artifact *ct.Artifact
formation *ct.Formation
routes []router.Route
slug io.Reader
pgDump io.Reader
uploadSize int64
)
numResources := 0
numRoutes := 1
for {
header, err := tr.Next()
if err == io.EOF {
break
} else if err != nil {
return fmt.Errorf("error reading export tar: %s", err)
}
switch path.Base(header.Name) {
case "app.json":
app = &ct.App{}
if err := json.NewDecoder(tr).Decode(app); err != nil {
return fmt.Errorf("error decoding app: %s", err)
}
app.ID = ""
case "release.json":
release = &ct.Release{}
if err := json.NewDecoder(tr).Decode(release); err != nil {
return fmt.Errorf("error decoding release: %s", err)
}
release.ID = ""
release.ArtifactID = ""
case "artifact.json":
artifact = &ct.Artifact{}
if err := json.NewDecoder(tr).Decode(artifact); err != nil {
return fmt.Errorf("error decoding artifact: %s", err)
}
artifact.ID = ""
case "formation.json":
formation = &ct.Formation{}
if err := json.NewDecoder(tr).Decode(formation); err != nil {
return fmt.Errorf("error decoding formation: %s", err)
}
formation.AppID = ""
formation.ReleaseID = ""
case "routes.json":
if err := json.NewDecoder(tr).Decode(&routes); err != nil {
return fmt.Errorf("error decoding routes: %s", err)
}
for _, route := range routes {
route.ID = ""
route.ParentRef = ""
}
case "slug.tar.gz":
f, err := ioutil.TempFile("", "slug.tar.gz")
if err != nil {
return fmt.Errorf("error creating slug tempfile: %s", err)
}
defer f.Close()
defer os.Remove(f.Name())
if _, err := io.Copy(f, tr); err != nil {
return fmt.Errorf("error reading slug: %s", err)
}
if _, err := f.Seek(0, os.SEEK_SET); err != nil {
return fmt.Errorf("error seeking slug tempfile: %s", err)
}
slug = f
uploadSize += header.Size
case "postgres.dump":
f, err := ioutil.TempFile("", "postgres.dump")
if err != nil {
return fmt.Errorf("error creating db tempfile: %s", err)
}
defer f.Close()
defer os.Remove(f.Name())
if _, err := io.Copy(f, tr); err != nil {
return fmt.Errorf("error reading db dump: %s", err)
}
if _, err := f.Seek(0, os.SEEK_SET); err != nil {
return fmt.Errorf("error seeking db tempfile: %s", err)
}
pgDump = f
uploadSize += header.Size
}
}
if app == nil {
return fmt.Errorf("missing app.json")
}
oldName := app.Name
if name := args.String["--name"]; name != "" {
app.Name = name
}
if err := client.CreateApp(app); err != nil {
return fmt.Errorf("error creating app: %s", err)
}
var bar *pb.ProgressBar
if !args.Bool["--quiet"] && uploadSize > 0 && term.IsTerminal(os.Stderr.Fd()) {
bar = pb.New(0)
bar.SetUnits(pb.U_BYTES)
bar.Total = uploadSize
bar.ShowSpeed = true
bar.Output = os.Stderr
bar.Start()
defer bar.Finish()
}
if pgDump != nil && release != nil {
res, err := client.ProvisionResource(&ct.ResourceReq{
ProviderID: "postgres",
Apps: []string{app.ID},
})
if err != nil {
return fmt.Errorf("error provisioning postgres resource: %s", err)
}
numResources++
if release.Env == nil {
release.Env = make(map[string]string, len(res.Env))
}
for k, v := range res.Env {
release.Env[k] = v
}
config, err := getPgRunConfig(client, app.ID, release)
if err != nil {
return fmt.Errorf("error getting postgres config: %s", err)
}
config.Stdin = pgDump
if bar != nil {
config.Stdin = bar.NewProxyReader(config.Stdin)
}
config.Exit = false
if err := pgRestore(client, config); err != nil {
return fmt.Errorf("error restoring postgres database: %s", err)
}
}
if release != nil && release.Env["FLYNN_REDIS"] != "" {
res, err := client.ProvisionResource(&ct.ResourceReq{
ProviderID: "redis",
Apps: []string{app.ID},
})
if err != nil {
return fmt.Errorf("error provisioning redis resource: %s", err)
}
numResources++
if release.Env == nil {
release.Env = make(map[string]string, len(res.Env))
}
for k, v := range res.Env {
release.Env[k] = v
}
}
uploadSlug := release != nil && release.Env["SLUG_URL"] != "" && artifact != nil && slug != nil
if uploadSlug {
// Use current slugrunner as the artifact
gitreceiveRelease, err := client.GetAppRelease("gitreceive")
if err != nil {
return fmt.Errorf("unable to retrieve gitreceive release: %s", err)
}
artifact = &ct.Artifact{
Type: "docker",
URI: gitreceiveRelease.Env["SLUGRUNNER_IMAGE_URI"],
}
if artifact.URI == "" {
return fmt.Errorf("gitreceive env missing SLUGRUNNER_IMAGE_URI")
}
release.Env["SLUG_URL"] = fmt.Sprintf("http://blobstore.discoverd/%s.tgz", random.UUID())
}
if artifact != nil {
if err := client.CreateArtifact(artifact); err != nil {
return fmt.Errorf("error creating artifact: %s", err)
}
release.ArtifactID = artifact.ID
}
if release != nil {
for t, proc := range release.Processes {
for i, port := range proc.Ports {
if port.Service != nil && port.Service.Name == oldName+"-web" {
proc.Ports[i].Service.Name = app.Name + "-web"
}
}
release.Processes[t] = proc
}
if err := client.CreateRelease(release); err != nil {
return fmt.Errorf("error creating release: %s", err)
}
if err := client.SetAppRelease(app.ID, release.ID); err != nil {
return fmt.Errorf("error setting app release: %s", err)
}
}
if uploadSlug {
config := runConfig{
App: app.ID,
Release: release.ID,
DisableLog: true,
Entrypoint: []string{"curl"},
Args: []string{"--request", "PUT", "--upload-file", "-", release.Env["SLUG_URL"]},
Stdin: slug,
Stdout: ioutil.Discard,
Stderr: ioutil.Discard,
}
if bar != nil {
config.Stdin = bar.NewProxyReader(config.Stdin)
}
if err := runJob(client, config); err != nil {
return fmt.Errorf("error uploading slug: %s", err)
}
}
if formation != nil && release != nil {
formation.ReleaseID = release.ID
formation.AppID = app.ID
if err := client.PutFormation(formation); err != nil {
return fmt.Errorf("error creating formation: %s", err)
}
}
if args.Bool["--routes"] {
for _, route := range routes {
if err := client.CreateRoute(app.ID, &route); err != nil {
if e, ok := err.(hh.JSONError); ok && e.Code == hh.ConflictErrorCode {
// If the cluster domain matches then the default route
// exported will conflict with the one created automatically.
continue
}
return fmt.Errorf("error creating route: %s", err)
}
numRoutes++
}
}
fmt.Printf("Imported %s (added %d routes, provisioned %d resources)\n", app.Name, numRoutes, numResources)
return nil
}