Skip to content

Redesign download server UI and add Konflux Containerfile #158

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Joeavaikath merged 5 commits into from
Mar 19, 2026
Merged

Redesign download server UI and add Konflux Containerfile #158

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
8716674
Redesign download server with templated UI and Red Hat branding
Joeavaikath Mar 17, 2026
05310b9
Add Konflux hermetic Containerfile for download server
Joeavaikath Mar 17, 2026
3981ec4
Replace emoji icons with OS logos for Linux and Windows sections
Joeavaikath Mar 18, 2026
89ed878
Update golang version to 1.25 in download server containerfile
Joeavaikath Mar 18, 2026
51c301b
Remove OS icons from download server section headers
Joeavaikath Mar 19, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 5 additions & 7 deletions Containerfile.download
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,15 +15,13 @@ COPY . .

RUN make release-archives && \
mkdir -p /archives && \
mv *.tar.gz /archives/
mv *.tar.gz *.sha256 /archives/ && \
rm -rf /root/.cache/go-build /tmp/* release-build/

# Build the download server for the TARGET platform (the arch this container will run on)
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o download-server ./cmd/downloads/server.go

# Clean up to reduce layer size
RUN go clean -cache -modcache -testcache && \
rm -rf /root/.cache/go-build && \
rm -rf /go/pkg
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o download-server ./cmd/downloads/ && \
go clean -cache -modcache -testcache && \
rm -rf /root/.cache/go-build /go/pkg

FROM registry.access.redhat.com/ubi9/ubi-minimal:latest

Expand Down
97 changes: 79 additions & 18 deletions cmd/downloads/server.go
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,27 +1,56 @@
package main

import (
"embed"
"fmt"
"html/template"
"io/fs"
"log"
"net/http"
"os"
"path/filepath"
"strings"
)

const (
archiveDir = "/archives"
port = "8080"
//go:embed templates/*.html
var templateFS embed.FS

//go:embed static/*
var staticFS embed.FS

var (
archiveDir = getEnv("ARCHIVE_DIR", "/archives")
port = getEnv("PORT", "8080")
pageTemplate = template.Must(template.ParseFS(templateFS, "templates/index.html"))
)

func getEnv(key, fallback string) string {
if v := os.Getenv(key); v != "" {
return v
}
return fallback
}

type archiveFile struct {
Name string
Size float64
OS string
Arch string
Checksum string
}

func main() {
// Verify archives exist
files, err := filepath.Glob(filepath.Join(archiveDir, "*.tar.gz"))
if err != nil || len(files) == 0 {
log.Fatal("No archives found in ", archiveDir)
}
log.Printf("Found %d archives", len(files))

staticContent, err := fs.Sub(staticFS, "static")
if err != nil {
log.Fatal("Failed to load static files: ", err)
}
http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.FS(staticContent))))
http.HandleFunc("/", listBinaries)
http.HandleFunc("/download/", downloadBinary)

Expand All @@ -40,40 +69,72 @@ func listBinaries(w http.ResponseWriter, r *http.Request) {
return
}

w.Header().Set("Content-Type", "text/html")
fmt.Fprintf(w, "<html><head><title>kubectl-oadp Downloads</title></head><body>")
fmt.Fprintf(w, "<h1>kubectl-oadp Binary Downloads</h1>")
fmt.Fprintf(w, "<p>Download pre-built binaries for your platform:</p><ul>")

var linuxFiles, darwinFiles, windowsFiles []archiveFile
for _, file := range files {
name := filepath.Base(file)
info, err := os.Stat(file)
if err != nil {
continue
}
size := float64(info.Size()) / (1024 * 1024) // MB
fmt.Fprintf(w, `<li><a href="/download/%s">%s</a> (%.2f MB)</li>`, name, name, size)
size := float64(info.Size()) / (1024 * 1024)
osName, arch := parsePlatform(name)
checksum := readChecksum(file + ".sha256")
af := archiveFile{Name: name, Size: size, OS: osName, Arch: arch, Checksum: checksum}
switch osName {
case "linux":
linuxFiles = append(linuxFiles, af)
case "darwin":
darwinFiles = append(darwinFiles, af)
case "windows":
windowsFiles = append(windowsFiles, af)
default:
linuxFiles = append(linuxFiles, af)
}
}

fmt.Fprintf(w, "</ul>")
fmt.Fprintf(w, "<h3>Installation:</h3>")
fmt.Fprintf(w, "<pre>tar -xzf kubectl-oadp_*.tar.gz\n")
fmt.Fprintf(w, "chmod +x kubectl-oadp\n")
fmt.Fprintf(w, "sudo mv kubectl-oadp /usr/local/bin/</pre>")
data := struct {
LinuxFiles []archiveFile
DarwinFiles []archiveFile
WindowsFiles []archiveFile
}{linuxFiles, darwinFiles, windowsFiles}

w.Header().Set("Content-Type", "text/html")
if err := pageTemplate.Execute(w, data); err != nil {
log.Printf("Template error: %v", err)
}
}

func readChecksum(path string) string {
data, err := os.ReadFile(path)
if err != nil {
return ""
}
fields := strings.Fields(string(data))
if len(fields) > 0 {
return fields[0]
}
return ""
}

func parsePlatform(filename string) (string, string) {
name := strings.TrimSuffix(filename, ".tar.gz")
parts := strings.Split(name, "_")
if len(parts) >= 3 {
return parts[len(parts)-2], parts[len(parts)-1]
}
return "unknown", "unknown"
}

func downloadBinary(w http.ResponseWriter, r *http.Request) {
filename := filepath.Base(r.URL.Path[len("/download/"):])

// Security: ensure filename is just the archive name
if filepath.Dir(filename) != "." || !strings.HasSuffix(filename, ".tar.gz") {
http.Error(w, "Invalid filename", http.StatusBadRequest)
return
}

filePath := filepath.Join(archiveDir, filename)

// Verify file exists
if _, err := os.Stat(filePath); os.IsNotExist(err) {
http.Error(w, "Archive not found", http.StatusNotFound)
return
Expand Down
Loading
Loading