Update Vyos rolling update iso url

Changed because the download location for the Vyos Rolling update ISO file has changed.

Signed-off-by: Naofumi Uesugi <blacknon@orebibou.com>

go.mod

@@ -9,6 +9,7 @@ exclude (
 
 require (
 	github.com/flosch/pongo2 v0.0.0-20200913210552-0d938eb266f3
+	github.com/google/go-github/v56 v56.0.0
 	github.com/lxc/incus v0.0.0-20231030213510-385b6509cfce
 	github.com/mudler/docker-companion v0.4.6-0.20211015133729-bd4704fad372
 	github.com/sirupsen/logrus v1.9.3
@@ -45,6 +46,7 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/uuid v1.4.0 // indirect
 	github.com/gorilla/schema v1.2.0 // indirect
 	github.com/gorilla/securecookie v1.1.1 // indirect

go.sum

@@ -174,10 +174,15 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-github/v56 v56.0.0 h1:TysL7dMa/r7wsQi44BjqlwaHvwlFlqkK8CtBWCX3gb4=
+github.com/google/go-github/v56 v56.0.0/go.mod h1:D8cdcX98YWJvi7TLo7zM4/h8ZTx6u6fwGEkCdisopo0=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=

sources/vyos-http.go

@@ -1,10 +1,12 @@
 package sources
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"path/filepath"
 
+	"github.com/google/go-github/v56/github"
 	"golang.org/x/sys/unix"
 
 	"github.com/lxc/distrobuilder/shared"
@@ -12,22 +14,50 @@ import (
 
 type vyos struct {
 	common
+
+	fname string
+	fpath string
 }
 
 func (s *vyos) Run() error {
-	isoURL := "https://s3-us.vyos.io/rolling/current/vyos-rolling-latest.iso"
-
-	fpath, err := s.DownloadHash(s.definition.Image, isoURL, "", nil)
+	err := s.downloadImage(s.definition)
 	if err != nil {
-		return fmt.Errorf("Failed downloading ISO: %w", err)
+		return fmt.Errorf("Failed to download image: %w", err)
 	}
 
-	err = s.unpackISO(filepath.Join(fpath, "vyos-rolling-latest.iso"), s.rootfsDir)
+	return s.unpackISO(filepath.Join(s.fpath, s.fname), s.rootfsDir)
+}
+
+func (s *vyos) downloadImage(definition shared.Definition) error {
+	var err error
+
+	ctx := context.Background()
+	client := github.NewClient(nil)
+	owner := "vyos"
+	repo := "vyos-rolling-nightly-builds"
+
+	latestRelease, _, err := client.Repositories.GetLatestRelease(ctx, owner, repo)
 	if err != nil {
-		return fmt.Errorf("Failed unpacking ISO: %w", err)
+		return fmt.Errorf("Failed to get latest release, %w", err)
 	}
 
-	return nil
+	isoURL := ""
+	assets := latestRelease.Assets
+	for _, a := range assets {
+		ext := filepath.Ext(a.GetName())
+		if ext == ".iso" {
+			isoURL = a.GetBrowserDownloadURL()
+			s.fname = a.GetName()
+		}
+	}
+
+	if isoURL == "" {
+		return fmt.Errorf("Failed to get latest release URL.")
+	}
+
+	s.fpath, err = s.DownloadHash(s.definition.Image, isoURL, "", nil)
+
+	return err
 }
 
 func (s *vyos) unpackISO(filePath string, rootfsDir string) error {