Handle setup subnet error

6 years ago · 131406774b
parent c2f3966604
commit 131406774b
1 changed files with 4 additions and 1 deletions
--- a/setup/server.py
+++ b/setup/server.py
@ -90,7 +90,10 @@ def build_app(path):
    def submit():
        data = flask.request.form.copy()
        data['uid'] = str(uuid.uuid4())
-        data['dns'] = str(ipaddress.IPv4Network(data['subnet'])[-2])
+        try:
+            data['dns'] = str(ipaddress.IPv4Network(data['subnet'])[-2])
+        except ValueError as err:
+            return "Error while generating files: " + str(err)
        db.set(data['uid'], json.dumps(data))
        return flask.redirect(flask.url_for('.setup', uid=data['uid']))