tools
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out-of-tree
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refactor: use cavaliergopher/grab to download files

timestamps
dump_stack() 2023-05-13 09:43:06 +00:00
parent 2977b6f7fd
commit 2c2435a7a5
Signed by: dump_stack
GPG Key ID: BE44DA8C062D87DC
3 changed files with 19 additions and 41 deletions
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1
go.mod
View File

@ -11,6 +11,7 @@ replace code.dumpstack.io/tools/out-of-tree/distro => ./distro
require (
github.com/PuerkitoBio/goquery v1.8.1
github.com/alecthomas/kong v0.7.1
github.com/cavaliergopher/grab/v3 v3.0.1
github.com/go-git/go-git/v5 v5.6.1
github.com/mattn/go-sqlite3 v1.14.16
github.com/mitchellh/go-homedir v1.1.0

2
go.sum
View File

@ -23,6 +23,8 @@ github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkY
github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
github.com/bwesterb/go-ristretto v1.2.0/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
github.com/cavaliergopher/grab/v3 v3.0.1 h1:4z7TkBfmPjmLAAmkkAZNX/6QJ1nNFdv3SdIHXju0Fr4=
github.com/cavaliergopher/grab/v3 v3.0.1/go.mod h1:1U/KNnD+Ft6JJiYoYBAimKH2XrYptb8Kl3DFGmsjpq4=
github.com/cloudflare/circl v1.1.0 h1:bZgT/A+cikZnKIwn7xL2OBj012Bmvho/o6RpRvv3GKY=
github.com/cloudflare/circl v1.1.0/go.mod h1:prBCrKB9DV4poKZY1l9zBXg2QJY7mvgRvtMxxK7fi4I=
github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=

57
images.go
View File

@ -7,19 +7,20 @@ package main
import (
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"os/exec"
"os/user"
"strings"
"time"
"github.com/cavaliergopher/grab/v3"
"github.com/rs/zerolog/log"
"code.dumpstack.io/tools/out-of-tree/config"
"code.dumpstack.io/tools/out-of-tree/fs"
"code.dumpstack.io/tools/out-of-tree/qemu"
"github.com/rs/zerolog/log"
)
type ImageCmd struct {
@ -126,39 +127,6 @@ func (cmd *ImageEditCmd) Run(g *Globals) (err error) {
return
}
// inspired by Edd Turtle code
func downloadFile(filepath string, url string) (err error) {
out, err := os.Create(filepath)
if err != nil {
return
}
defer out.Close()
resp, err := http.Get(url)
if err != nil {
return
}
defer resp.Body.Close()
switch resp.StatusCode {
case http.StatusOK:
break
case http.StatusForbidden, http.StatusNotFound:
err = fmt.Errorf("Cannot download %s. It looks like you need "+
"to generate it manually and place it "+
"to ~/.out-of-tree/images/. "+
"Check documentation for additional information.", url)
return
default:
err = fmt.Errorf("Something weird happens while "+
"download file: %d", resp.StatusCode)
return
}
_, err = io.Copy(out, resp.Body)
return
}
func unpackTar(archive, destination string) (err error) {
// NOTE: If you're change anything in tar command please check also
// BSD tar (or if you're using macOS, do not forget to check GNU Tar)
@ -184,14 +152,21 @@ func downloadImage(path, file string) (err error) {
}
defer os.RemoveAll(tmp)
archive := tmp + "/" + file + ".tar.gz"
url := imagesBaseURL + file + ".tar.gz"
err = downloadFile(archive, url)
fileurl, err := url.JoinPath(imagesBaseURL, file+".tar.gz")
if err != nil {
return
}
err = unpackTar(archive, path)
resp, err := grab.Get(tmp, fileurl)
if err != nil {
err = fmt.Errorf("Cannot download %s. It looks like you need "+
"to generate it manually and place it "+
"to ~/.out-of-tree/images/. "+
"Check documentation for additional information.",
fileurl)
return
}
err = unpackTar(resp.Filename, path)
return
}