upload/koji: add helpers to upload to koji

This does not yet actually upload the image, and it only supports empty
images. You need to place a an empty file named <filename>, with a valid
extension (e.g., .qcow2) in /mnt/koji/work/<directory>/.

Signed-off-by: Tom Gundersen <teg@jklm.no>

cmd/osbuild-koji/main.go

@@ -0,0 +1,110 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"path"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/osbuild/osbuild-composer/internal/upload/koji"
+)
+
+func main() {
+	var server, user, password, name, version, release, arch, filename string
+	flag.StringVar(&server, "server", "", "url to API")
+	flag.StringVar(&user, "user", "", "koji username")
+	flag.StringVar(&password, "password", "", "koji password")
+	flag.StringVar(&name, "name", "", "image name")
+	flag.StringVar(&version, "version", "", "image verison")
+	flag.StringVar(&release, "release", "", "image release")
+	flag.StringVar(&arch, "arch", "", "image architecture")
+	flag.StringVar(&filename, "filename", "", "filename")
+	flag.Parse()
+
+	id, err := uuid.NewRandom()
+	if err != nil {
+		println(err.Error())
+		return
+	}
+	dir := fmt.Sprintf("osbuild-%v", id)
+
+	file, err := os.Open(filename)
+	if err != nil {
+		println(err.Error())
+		return
+	}
+	defer file.Close()
+
+	k, err := koji.New(server)
+	if err != nil {
+		println(err.Error())
+		return
+	}
+
+	err = k.Login("osbuild", "osbuildpass")
+	if err != nil {
+		println(err.Error())
+		return
+	}
+	defer k.Logout()
+
+	hash, length, err := k.Upload(file, dir, path.Base(filename))
+	if err != nil {
+		println(err.Error())
+		return
+	}
+
+	build := koji.Build{
+		Name:      name,
+		Version:   version,
+		Release:   release,
+		StartTime: time.Now().Unix(),
+		EndTime:   time.Now().Unix(),
+	}
+	buildRoots := []koji.BuildRoot{
+		{
+			ID: 1,
+			Host: koji.Host{
+				Os:   "RHEL8",
+				Arch: arch,
+			},
+			ContentGenerator: koji.ContentGenerator{
+				Name:    "osbuild",
+				Version: "1",
+			},
+			Container: koji.Container{
+				Type: "nspawn",
+				Arch: arch,
+			},
+			Tools:      []koji.Tool{},
+			Components: []koji.Component{},
+		},
+	}
+	output := []koji.Output{
+		{
+			BuildRootID:  1,
+			Filename:     path.Base(filename),
+			FileSize:     length,
+			Arch:         arch,
+			ChecksumType: "md5",
+			MD5:          hash,
+			Type:         "image",
+			Components:   []koji.Component{},
+			Extra: koji.OutputExtra{
+				Image: koji.OutputExtraImageInfo{
+					Arch: arch,
+				},
+			},
+		},
+	}
+
+	err = k.CGImport(build, buildRoots, output, dir)
+	if err != nil {
+		println(err.Error())
+		return
+	}
+
+	fmt.Printf("Success!\n")
+}