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gokrazy,tstest/integration/nat: add Gokrazy appliance just for natlab

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... rather than abusing the generic tsapp.

Per discussion in https://github.com/gokrazy/gokrazy/pull/275

It also means we can remove stuff we don't need, like ntp or randomd.

Updates #13038

Change-Id: Iccf579c354bd3b5025d05fa1128e32f1d5bde4e4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-08-13 13:21:01 -07:00
committed by Brad Fitzpatrick
parent b358f489b9
commit 02581b1603
19 changed files with 394 additions and 19 deletions
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20
gokrazy/build.go
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@@ -22,10 +22,12 @@ import (
"path/filepath"
"regexp"
"runtime"
"strings"
"time"
)
var (
app = flag.String("app", "tsapp", "appliance name; one of the subdirectories of gokrazy/")
bucket = flag.String("bucket", "tskrazy-import", "S3 bucket to upload disk image to while making AMI")
build = flag.Bool("build", false, "if true, just build locally and stop, without uploading")
)
@@ -53,6 +55,10 @@ func findMkfsExt4() (string, error) {
func main() {
flag.Parse()
if *app == "" || strings.Contains(*app, "/") {
log.Fatalf("--app must be non-empty name such as 'tsapp' or 'natlabapp'")
}
if err := buildImage(); err != nil {
log.Fatalf("build image: %v", err)
}
@@ -75,7 +81,7 @@ func main() {
}
log.Printf("snap ID: %v", snapID)
ami, err := makeAMI(fmt.Sprintf("tsapp-%d", time.Now().Unix()), snapID)
ami, err := makeAMI(fmt.Sprintf(*app+"-%d", time.Now().Unix()), snapID)
if err != nil {
log.Fatalf("makeAMI: %v", err)
}
@@ -92,8 +98,8 @@ func buildImage() error {
if err != nil {
return err
}
if fi, err := os.Stat(filepath.Join(dir, "tsapp")); err != nil || !fi.IsDir() {
return fmt.Errorf("in wrong directorg %v; no tsapp subdirectory found", dir)
if fi, err := os.Stat(filepath.Join(dir, *app)); err != nil || !fi.IsDir() {
return fmt.Errorf("in wrong directorg %v; no %q subdirectory found", dir, *app)
}
// Build the tsapp.img
var buf bytes.Buffer
@@ -101,9 +107,9 @@ func buildImage() error {
"-exec=env GOOS=linux GOARCH=amd64 ",
"github.com/gokrazy/tools/cmd/gok",
"--parent_dir="+dir,
"--instance=tsapp",
"--instance="+*app,
"overwrite",
"--full", "tsapp.img",
"--full", *app+".img",
"--target_storage_bytes=1258299392")
cmd.Stdout = io.MultiWriter(os.Stdout, &buf)
cmd.Stderr = os.Stderr
@@ -135,14 +141,14 @@ func buildImage() error {
}
func copyToS3() error {
cmd := exec.Command("aws", "s3", "cp", "tsapp.img", "s3://"+*bucket+"/")
cmd := exec.Command("aws", "s3", "cp", *app+".img", "s3://"+*bucket+"/")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func startImportSnapshot() (importTaskID string, err error) {
out, err := exec.Command("aws", "ec2", "import-snapshot", "--disk-container", "Url=s3://"+*bucket+"/tsappp.img").CombinedOutput()
out, err := exec.Command("aws", "ec2", "import-snapshot", "--disk-container", "Url=s3://"+*bucket+"/"+*app+".img").CombinedOutput()
if err != nil {
return "", fmt.Errorf("import snapshot: %v: %s", err, out)
}