웹 UI 추가 및 Dockerfile 추가

app.py

@@ -0,0 +1,117 @@
+from flask import Flask, render_template, request, send_file, abort
+import subprocess
+import uuid
+import shutil
+from pathlib import Path
+from datetime import datetime
+import zipfile
+
+#app = Flask(__name__)
+app = Flask(__name__, static_folder="static")
+
+BASE = Path("/work")
+BASE.mkdir(exist_ok=True)
+
+
+def ts():
+    return datetime.now().strftime("%Y-%m-%d-%H-%M-%S")
+
+
+@app.route("/", methods=["GET", "POST"])
+def index():
+    if request.method == "POST":
+        job_id = str(uuid.uuid4())
+        job_dir = BASE / job_id
+        job_dir.mkdir(parents=True)
+
+        cmd = [
+            "python3",
+            "/app/migrator.py",
+            "--split",
+            "--mapping", "/app/mapping.yaml",
+        ]
+
+        if request.form.get("from_class"):
+            cmd += ["--from-ingress-class", request.form["from_class"]]
+
+        if request.form.get("to_class"):
+            cmd += ["--ingress-class", request.form["to_class"]]
+
+        if request.form.get("namespace"):
+            cmd += ["--namespace", request.form["namespace"]]
+
+        subprocess.check_call(cmd, cwd=job_dir)
+
+        timestamp = ts()
+
+        # result.zip (yaml + report)
+        result_zip = BASE / f"{timestamp}-result.zip"
+        with zipfile.ZipFile(result_zip, "w", zipfile.ZIP_DEFLATED) as z:
+            for p in (job_dir / "yaml").rglob("*"):
+                z.write(p, p.relative_to(job_dir))
+            report = job_dir / "migration-report.md"
+            if report.exists():
+                z.write(report, report.relative_to(job_dir))
+
+        # backup.zip
+        backup_zip = BASE / f"{timestamp}-backup.zip"
+        with zipfile.ZipFile(backup_zip, "w", zipfile.ZIP_DEFLATED) as z:
+            for p in (job_dir / "backup").rglob("*"):
+                z.write(p, p.relative_to(job_dir))
+
+        return preview(job_id, result_zip.name, backup_zip.name)
+
+    return render_template("index.html")
+
+
+@app.route("/preview/<job_id>/<result_zip>/<backup_zip>")
+def preview(job_id, result_zip, backup_zip):
+    job_dir = BASE / job_id
+
+    def tree(root: Path):
+        t = {}
+        if not root.exists():
+            return t
+        for ns in sorted(root.iterdir()):
+            if ns.is_dir():
+                t[ns.name] = sorted(f.name for f in ns.iterdir() if f.is_file())
+        return t
+
+    return render_template(
+        "preview.html",
+        job_id=job_id,
+        yaml_tree=tree(job_dir / "yaml"),
+        backup_tree=tree(job_dir / "backup"),
+        result_zip=result_zip,
+        backup_zip=backup_zip,
+    )
+
+
+@app.route("/view/<job_id>/<kind>/<path:path>")
+def view_file(job_id, kind, path):
+    if kind not in ("yaml", "backup"):
+        abort(404)
+    f = BASE / job_id / kind / path
+    if not f.exists():
+        abort(404)
+    return f"<pre>{f.read_text()}</pre>"
+
+
+@app.route("/report/<job_id>")
+def view_report(job_id):
+    report = BASE / job_id / "migration-report.md"
+    if not report.exists():
+        abort(404)
+    return f"<pre>{report.read_text()}</pre>"
+
+
+@app.route("/download/<name>")
+def download(name):
+    path = BASE / name
+    if not path.exists():
+        abort(404)
+    return send_file(path, as_attachment=True)
+
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=8080, debug=False)